./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-91.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-91.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fa1d009dc6f8eabe9542b3dc62739ce0106fb2669419cfdd51359ba01dfee168 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 18:36:05,917 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 18:36:05,999 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-23 18:36:06,005 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 18:36:06,005 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 18:36:06,026 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 18:36:06,027 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 18:36:06,027 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 18:36:06,027 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 18:36:06,027 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 18:36:06,027 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 18:36:06,028 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 18:36:06,028 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 18:36:06,028 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 18:36:06,028 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 18:36:06,028 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 18:36:06,028 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 18:36:06,028 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 18:36:06,029 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 18:36:06,029 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 18:36:06,029 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 18:36:06,029 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 18:36:06,029 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 18:36:06,029 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 18:36:06,029 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 18:36:06,029 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 18:36:06,029 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 18:36:06,029 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 18:36:06,030 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 18:36:06,030 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:36:06,030 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 18:36:06,030 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:36:06,030 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:36:06,030 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 18:36:06,030 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:36:06,030 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 18:36:06,030 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:36:06,031 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:36:06,031 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 18:36:06,031 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 18:36:06,031 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 18:36:06,031 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 18:36:06,031 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 18:36:06,031 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 18:36:06,031 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 18:36:06,031 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 18:36:06,032 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 18:36:06,032 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 18:36:06,032 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa1d009dc6f8eabe9542b3dc62739ce0106fb2669419cfdd51359ba01dfee168 [2024-11-23 18:36:06,310 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 18:36:06,318 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 18:36:06,320 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 18:36:06,322 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 18:36:06,322 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 18:36:06,323 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-91.i [2024-11-23 18:36:09,250 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/data/6d7291061/491aa583a17e481396136e8881cf676b/FLAG610b1f05a [2024-11-23 18:36:09,606 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 18:36:09,607 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-91.i [2024-11-23 18:36:09,617 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/data/6d7291061/491aa583a17e481396136e8881cf676b/FLAG610b1f05a [2024-11-23 18:36:09,632 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/data/6d7291061/491aa583a17e481396136e8881cf676b [2024-11-23 18:36:09,634 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 18:36:09,635 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 18:36:09,636 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 18:36:09,636 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 18:36:09,639 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 18:36:09,640 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:36:09" (1/1) ... [2024-11-23 18:36:09,641 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5194890f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:36:09, skipping insertion in model container [2024-11-23 18:36:09,641 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:36:09" (1/1) ... [2024-11-23 18:36:09,672 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 18:36:09,855 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-91.i[917,930] [2024-11-23 18:36:09,952 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:36:09,967 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 18:36:09,977 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-91.i[917,930] [2024-11-23 18:36:10,024 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:36:10,050 INFO L204 MainTranslator]: Completed translation [2024-11-23 18:36:10,051 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:36:10 WrapperNode [2024-11-23 18:36:10,051 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 18:36:10,052 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 18:36:10,052 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 18:36:10,052 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 18:36:10,058 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:36:10" (1/1) ... [2024-11-23 18:36:10,069 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:36:10" (1/1) ... [2024-11-23 18:36:10,107 INFO L138 Inliner]: procedures = 29, calls = 189, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 595 [2024-11-23 18:36:10,107 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 18:36:10,107 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 18:36:10,108 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 18:36:10,108 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 18:36:10,117 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:36:10" (1/1) ... [2024-11-23 18:36:10,117 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:36:10" (1/1) ... [2024-11-23 18:36:10,122 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:36:10" (1/1) ... [2024-11-23 18:36:10,146 INFO L175 MemorySlicer]: Split 158 memory accesses to 4 slices as follows [2, 32, 38, 86]. 54 percent of accesses are in the largest equivalence class. The 16 initializations are split as follows [2, 3, 5, 6]. The 19 writes are split as follows [0, 3, 9, 7]. [2024-11-23 18:36:10,146 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:36:10" (1/1) ... [2024-11-23 18:36:10,146 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:36:10" (1/1) ... [2024-11-23 18:36:10,180 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:36:10" (1/1) ... [2024-11-23 18:36:10,181 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:36:10" (1/1) ... [2024-11-23 18:36:10,192 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:36:10" (1/1) ... [2024-11-23 18:36:10,194 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:36:10" (1/1) ... [2024-11-23 18:36:10,200 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:36:10" (1/1) ... [2024-11-23 18:36:10,208 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 18:36:10,211 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 18:36:10,211 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 18:36:10,211 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 18:36:10,212 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:36:10" (1/1) ... [2024-11-23 18:36:10,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:36:10,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:36:10,245 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 18:36:10,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 18:36:10,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 18:36:10,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-23 18:36:10,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-23 18:36:10,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-23 18:36:10,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-23 18:36:10,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-23 18:36:10,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-23 18:36:10,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-23 18:36:10,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-11-23 18:36:10,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-23 18:36:10,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-23 18:36:10,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-11-23 18:36:10,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-11-23 18:36:10,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-23 18:36:10,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-23 18:36:10,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-23 18:36:10,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-23 18:36:10,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-11-23 18:36:10,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-11-23 18:36:10,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-11-23 18:36:10,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-11-23 18:36:10,275 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 18:36:10,275 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 18:36:10,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 18:36:10,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-23 18:36:10,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-23 18:36:10,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-23 18:36:10,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 18:36:10,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 18:36:10,433 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 18:36:10,435 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 18:36:11,160 INFO L? ?]: Removed 171 outVars from TransFormulas that were not future-live. [2024-11-23 18:36:11,160 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 18:36:11,173 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 18:36:11,173 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 18:36:11,174 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:36:11 BoogieIcfgContainer [2024-11-23 18:36:11,174 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 18:36:11,176 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 18:36:11,176 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 18:36:11,181 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 18:36:11,182 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:36:09" (1/3) ... [2024-11-23 18:36:11,182 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3716cb6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:36:11, skipping insertion in model container [2024-11-23 18:36:11,182 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:36:10" (2/3) ... [2024-11-23 18:36:11,182 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3716cb6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:36:11, skipping insertion in model container [2024-11-23 18:36:11,183 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:36:11" (3/3) ... [2024-11-23 18:36:11,184 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-ap_file-91.i [2024-11-23 18:36:11,200 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 18:36:11,203 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-ap_file-91.i that has 2 procedures, 125 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-23 18:36:11,260 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 18:36:11,275 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@14714fa2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 18:36:11,276 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 18:36:11,280 INFO L276 IsEmpty]: Start isEmpty. Operand has 125 states, 105 states have (on average 1.4285714285714286) internal successors, (150), 106 states have internal predecessors, (150), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-23 18:36:11,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-23 18:36:11,295 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:36:11,295 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:36:11,296 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:36:11,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:36:11,303 INFO L85 PathProgramCache]: Analyzing trace with hash -1430690379, now seen corresponding path program 1 times [2024-11-23 18:36:11,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:36:11,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983014775] [2024-11-23 18:36:11,312 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:36:11,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:36:11,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:36:11,766 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2024-11-23 18:36:11,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:36:11,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983014775] [2024-11-23 18:36:11,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983014775] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:36:11,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1387658332] [2024-11-23 18:36:11,767 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:36:11,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:36:11,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:36:11,771 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 18:36:11,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 18:36:12,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:36:12,088 INFO L256 TraceCheckSpWp]: Trace formula consists of 499 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-23 18:36:12,099 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:36:12,137 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2024-11-23 18:36:12,137 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:36:12,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1387658332] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:36:12,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 18:36:12,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-23 18:36:12,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786476366] [2024-11-23 18:36:12,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:36:12,145 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 18:36:12,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:36:12,168 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 18:36:12,169 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 18:36:12,171 INFO L87 Difference]: Start difference. First operand has 125 states, 105 states have (on average 1.4285714285714286) internal successors, (150), 106 states have internal predecessors, (150), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-23 18:36:12,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:36:12,218 INFO L93 Difference]: Finished difference Result 243 states and 379 transitions. [2024-11-23 18:36:12,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 18:36:12,220 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 138 [2024-11-23 18:36:12,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:36:12,226 INFO L225 Difference]: With dead ends: 243 [2024-11-23 18:36:12,226 INFO L226 Difference]: Without dead ends: 121 [2024-11-23 18:36:12,229 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 18:36:12,233 INFO L435 NwaCegarLoop]: 177 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 18:36:12,233 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 18:36:12,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-11-23 18:36:12,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2024-11-23 18:36:12,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 102 states have (on average 1.4019607843137254) internal successors, (143), 102 states have internal predecessors, (143), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-23 18:36:12,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 177 transitions. [2024-11-23 18:36:12,276 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 177 transitions. Word has length 138 [2024-11-23 18:36:12,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:36:12,277 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 177 transitions. [2024-11-23 18:36:12,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-23 18:36:12,277 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 177 transitions. [2024-11-23 18:36:12,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-23 18:36:12,280 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:36:12,280 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:36:12,290 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-23 18:36:12,485 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:36:12,485 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:36:12,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:36:12,486 INFO L85 PathProgramCache]: Analyzing trace with hash -1147655401, now seen corresponding path program 1 times [2024-11-23 18:36:12,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:36:12,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802668819] [2024-11-23 18:36:12,486 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:36:12,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:36:12,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:36:13,153 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 27 proven. 21 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-23 18:36:13,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:36:13,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802668819] [2024-11-23 18:36:13,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802668819] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:36:13,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1899049214] [2024-11-23 18:36:13,154 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:36:13,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:36:13,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:36:13,157 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 18:36:13,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-23 18:36:13,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:36:13,421 INFO L256 TraceCheckSpWp]: Trace formula consists of 499 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 18:36:13,429 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:36:13,490 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-23 18:36:13,490 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:36:13,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1899049214] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:36:13,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 18:36:13,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 7 [2024-11-23 18:36:13,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488688090] [2024-11-23 18:36:13,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:36:13,492 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 18:36:13,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:36:13,492 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 18:36:13,495 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-23 18:36:13,496 INFO L87 Difference]: Start difference. First operand 121 states and 177 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:36:13,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:36:13,568 INFO L93 Difference]: Finished difference Result 241 states and 354 transitions. [2024-11-23 18:36:13,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 18:36:13,569 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 138 [2024-11-23 18:36:13,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:36:13,571 INFO L225 Difference]: With dead ends: 241 [2024-11-23 18:36:13,571 INFO L226 Difference]: Without dead ends: 123 [2024-11-23 18:36:13,571 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-23 18:36:13,572 INFO L435 NwaCegarLoop]: 175 mSDtfsCounter, 0 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 514 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 18:36:13,572 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 514 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 18:36:13,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-11-23 18:36:13,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2024-11-23 18:36:13,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 104 states have (on average 1.3942307692307692) internal successors, (145), 104 states have internal predecessors, (145), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-23 18:36:13,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 179 transitions. [2024-11-23 18:36:13,599 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 179 transitions. Word has length 138 [2024-11-23 18:36:13,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:36:13,600 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 179 transitions. [2024-11-23 18:36:13,601 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:36:13,601 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 179 transitions. [2024-11-23 18:36:13,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-23 18:36:13,605 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:36:13,605 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:36:13,615 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-23 18:36:13,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:36:13,806 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:36:13,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:36:13,806 INFO L85 PathProgramCache]: Analyzing trace with hash -530064823, now seen corresponding path program 1 times [2024-11-23 18:36:13,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:36:13,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899637425] [2024-11-23 18:36:13,807 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:36:13,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:36:13,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:36:15,590 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-23 18:36:15,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:36:15,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899637425] [2024-11-23 18:36:15,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899637425] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:36:15,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:36:15,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-23 18:36:15,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854234463] [2024-11-23 18:36:15,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:36:15,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-23 18:36:15,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:36:15,594 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-23 18:36:15,594 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-23 18:36:15,595 INFO L87 Difference]: Start difference. First operand 123 states and 179 transitions. Second operand has 10 states, 10 states have (on average 5.8) internal successors, (58), 10 states have internal predecessors, (58), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-23 18:36:16,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:36:16,062 INFO L93 Difference]: Finished difference Result 331 states and 482 transitions. [2024-11-23 18:36:16,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 18:36:16,063 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.8) internal successors, (58), 10 states have internal predecessors, (58), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 140 [2024-11-23 18:36:16,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:36:16,065 INFO L225 Difference]: With dead ends: 331 [2024-11-23 18:36:16,065 INFO L226 Difference]: Without dead ends: 211 [2024-11-23 18:36:16,066 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2024-11-23 18:36:16,071 INFO L435 NwaCegarLoop]: 193 mSDtfsCounter, 635 mSDsluCounter, 876 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 635 SdHoareTripleChecker+Valid, 1069 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 18:36:16,071 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [635 Valid, 1069 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 18:36:16,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2024-11-23 18:36:16,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 208. [2024-11-23 18:36:16,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 185 states have (on average 1.4216216216216215) internal successors, (263), 186 states have internal predecessors, (263), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-23 18:36:16,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 303 transitions. [2024-11-23 18:36:16,112 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 303 transitions. Word has length 140 [2024-11-23 18:36:16,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:36:16,115 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 303 transitions. [2024-11-23 18:36:16,115 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.8) internal successors, (58), 10 states have internal predecessors, (58), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-23 18:36:16,115 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 303 transitions. [2024-11-23 18:36:16,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-23 18:36:16,117 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:36:16,118 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:36:16,118 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 18:36:16,118 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:36:16,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:36:16,122 INFO L85 PathProgramCache]: Analyzing trace with hash 104451762, now seen corresponding path program 1 times [2024-11-23 18:36:16,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:36:16,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978559203] [2024-11-23 18:36:16,122 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:36:16,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:36:16,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-23 18:36:16,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [902860579] [2024-11-23 18:36:16,278 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:36:16,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:36:16,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:36:16,280 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 18:36:16,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-23 18:36:16,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 18:36:16,828 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 18:36:17,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 18:36:17,322 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 18:36:17,322 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 18:36:17,323 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-23 18:36:17,337 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-23 18:36:17,525 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:36:17,529 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-23 18:36:17,745 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 18:36:17,750 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 06:36:17 BoogieIcfgContainer [2024-11-23 18:36:17,750 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 18:36:17,751 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 18:36:17,751 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 18:36:17,751 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 18:36:17,752 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:36:11" (3/4) ... [2024-11-23 18:36:17,755 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-23 18:36:17,755 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 18:36:17,757 INFO L158 Benchmark]: Toolchain (without parser) took 8121.32ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 116.6MB in the beginning and 101.5MB in the end (delta: 15.1MB). Peak memory consumption was 45.7MB. Max. memory is 16.1GB. [2024-11-23 18:36:17,757 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory is still 72.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 18:36:17,757 INFO L158 Benchmark]: CACSL2BoogieTranslator took 415.34ms. Allocated memory is still 142.6MB. Free memory was 116.6MB in the beginning and 101.2MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 18:36:17,758 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.19ms. Allocated memory is still 142.6MB. Free memory was 100.9MB in the beginning and 97.6MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 18:36:17,758 INFO L158 Benchmark]: Boogie Preprocessor took 100.66ms. Allocated memory is still 142.6MB. Free memory was 97.6MB in the beginning and 93.5MB in the end (delta: 4.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 18:36:17,758 INFO L158 Benchmark]: RCFGBuilder took 962.46ms. Allocated memory is still 142.6MB. Free memory was 93.5MB in the beginning and 55.9MB in the end (delta: 37.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-23 18:36:17,759 INFO L158 Benchmark]: TraceAbstraction took 6574.16ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 55.4MB in the beginning and 101.6MB in the end (delta: -46.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 18:36:17,759 INFO L158 Benchmark]: Witness Printer took 4.67ms. Allocated memory is still 176.2MB. Free memory was 101.6MB in the beginning and 101.5MB in the end (delta: 33.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 18:36:17,761 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory is still 72.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 415.34ms. Allocated memory is still 142.6MB. Free memory was 116.6MB in the beginning and 101.2MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.19ms. Allocated memory is still 142.6MB. Free memory was 100.9MB in the beginning and 97.6MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 100.66ms. Allocated memory is still 142.6MB. Free memory was 97.6MB in the beginning and 93.5MB in the end (delta: 4.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 962.46ms. Allocated memory is still 142.6MB. Free memory was 93.5MB in the beginning and 55.9MB in the end (delta: 37.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 6574.16ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 55.4MB in the beginning and 101.6MB in the end (delta: -46.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.67ms. Allocated memory is still 176.2MB. Free memory was 101.6MB in the beginning and 101.5MB in the end (delta: 33.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 79, overapproximation of someBinaryFLOATComparisonOperation at line 109, overapproximation of someBinaryFLOATComparisonOperation at line 81, overapproximation of someBinaryFLOATComparisonOperation at line 81, overapproximation of someBinaryFLOATComparisonOperation at line 83, overapproximation of someBinaryFLOATComparisonOperation at line 83, overapproximation of someBinaryFLOATComparisonOperation at line 48, overapproximation of someBinaryFLOATComparisonOperation at line 79, overapproximation of someUnaryDOUBLEoperation at line 23. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] float float_Array_0[3] = { -0.25, 8.4, 49.25 }; [L22-L24] float float_Array_0[3] = { -0.25, 8.4, 49.25 }; [L22-L24] float float_Array_0[3] = { -0.25, 8.4, 49.25 }; [L22-L24] float float_Array_0[3] = { -0.25, 8.4, 49.25 }; [L25] float* float_Array_0_arrayfloat_Array_0arrayVar0_Pointer = &(float_Array_0[0]); [L26] float* float_Array_0_arrayfloat_Array_0arrayVar1_Pointer = &(float_Array_0[1]); [L27] float* float_Array_0_arrayfloat_Array_0arrayVar2_Pointer = &(float_Array_0[2]); [L28-L30] signed short int signed_short_int_Array_0[5] = { 100, -4, 128, 10, 1 }; [L28-L30] signed short int signed_short_int_Array_0[5] = { 100, -4, 128, 10, 1 }; [L28-L30] signed short int signed_short_int_Array_0[5] = { 100, -4, 128, 10, 1 }; [L28-L30] signed short int signed_short_int_Array_0[5] = { 100, -4, 128, 10, 1 }; [L28-L30] signed short int signed_short_int_Array_0[5] = { 100, -4, 128, 10, 1 }; [L28-L30] signed short int signed_short_int_Array_0[5] = { 100, -4, 128, 10, 1 }; [L31] signed short int* signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer = &(signed_short_int_Array_0[0]); [L32] signed short int* signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer = &(signed_short_int_Array_0[1]); [L33] signed short int* signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer = &(signed_short_int_Array_0[2]); [L34] signed short int* signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer = &(signed_short_int_Array_0[3]); [L35] signed short int* signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer = &(signed_short_int_Array_0[4]); [L36-L38] unsigned long int unsigned_long_int_Array_0[2][3] = { {64, 10, 64}, {16, 64, 100000000} }; [L36-L38] unsigned long int unsigned_long_int_Array_0[2][3] = { {64, 10, 64}, {16, 64, 100000000} }; [L36-L38] unsigned long int unsigned_long_int_Array_0[2][3] = { {64, 10, 64}, {16, 64, 100000000} }; [L36-L38] unsigned long int unsigned_long_int_Array_0[2][3] = { {64, 10, 64}, {16, 64, 100000000} }; [L36-L38] unsigned long int unsigned_long_int_Array_0[2][3] = { {64, 10, 64}, {16, 64, 100000000} }; [L36-L38] unsigned long int unsigned_long_int_Array_0[2][3] = { {64, 10, 64}, {16, 64, 100000000} }; [L36-L38] unsigned long int unsigned_long_int_Array_0[2][3] = { {64, 10, 64}, {16, 64, 100000000} }; [L39] unsigned long int* unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer = &(unsigned_long_int_Array_0[0][0]); [L40] unsigned long int* unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer = &(unsigned_long_int_Array_0[1][0]); [L41] unsigned long int* unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer = &(unsigned_long_int_Array_0[0][1]); [L42] unsigned long int* unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer = &(unsigned_long_int_Array_0[1][1]); [L43] unsigned long int* unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer = &(unsigned_long_int_Array_0[0][2]); [L44] unsigned long int* unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer = &(unsigned_long_int_Array_0[1][2]); VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=0, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L113] isInitial = 1 [L114] FCALL initially() [L116] FCALL updateLastVariables() [L117] CALL updateVariables() [L78] float_Array_0[0] = __VERIFIER_nondet_float() [L79] EXPR float_Array_0[0] [L79] EXPR float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L79] EXPR float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F [L79] EXPR float_Array_0[0] [L79] EXPR float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L79] EXPR (float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F ) VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L79] EXPR (float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F ) VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L79] CALL assume_abort_if_not((float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [\old(cond)=1, float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L79] RET assume_abort_if_not((float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L80] float_Array_0[1] = __VERIFIER_nondet_float() [L81] EXPR float_Array_0[1] [L81] EXPR float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L81] EXPR float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F [L81] EXPR float_Array_0[1] [L81] EXPR float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L81] EXPR (float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F ) VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L81] EXPR (float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F ) VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L81] CALL assume_abort_if_not((float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [\old(cond)=1, float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L81] RET assume_abort_if_not((float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L82] float_Array_0[2] = __VERIFIER_nondet_float() [L83] EXPR float_Array_0[2] [L83] EXPR float_Array_0[2] >= -922337.2036854776000e+13F && float_Array_0[2] <= -1.0e-20F VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L83] EXPR float_Array_0[2] >= -922337.2036854776000e+13F && float_Array_0[2] <= -1.0e-20F [L83] EXPR float_Array_0[2] [L83] EXPR float_Array_0[2] >= -922337.2036854776000e+13F && float_Array_0[2] <= -1.0e-20F VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L83] EXPR (float_Array_0[2] >= -922337.2036854776000e+13F && float_Array_0[2] <= -1.0e-20F) || (float_Array_0[2] <= 9223372.036854776000e+12F && float_Array_0[2] >= 1.0e-20F ) VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L83] EXPR (float_Array_0[2] >= -922337.2036854776000e+13F && float_Array_0[2] <= -1.0e-20F) || (float_Array_0[2] <= 9223372.036854776000e+12F && float_Array_0[2] >= 1.0e-20F ) VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L83] CALL assume_abort_if_not((float_Array_0[2] >= -922337.2036854776000e+13F && float_Array_0[2] <= -1.0e-20F) || (float_Array_0[2] <= 9223372.036854776000e+12F && float_Array_0[2] >= 1.0e-20F )) VAL [\old(cond)=1, float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L83] RET assume_abort_if_not((float_Array_0[2] >= -922337.2036854776000e+13F && float_Array_0[2] <= -1.0e-20F) || (float_Array_0[2] <= 9223372.036854776000e+12F && float_Array_0[2] >= 1.0e-20F )) VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L84] signed_short_int_Array_0[1] = __VERIFIER_nondet_short() [L85] EXPR signed_short_int_Array_0[1] VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L85] CALL assume_abort_if_not(signed_short_int_Array_0[1] >= -32767) VAL [\old(cond)=1, float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L85] RET assume_abort_if_not(signed_short_int_Array_0[1] >= -32767) VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L86] EXPR signed_short_int_Array_0[1] VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L86] CALL assume_abort_if_not(signed_short_int_Array_0[1] <= 32766) VAL [\old(cond)=1, float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L86] RET assume_abort_if_not(signed_short_int_Array_0[1] <= 32766) VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L87] signed_short_int_Array_0[2] = __VERIFIER_nondet_short() [L88] EXPR signed_short_int_Array_0[2] VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L88] CALL assume_abort_if_not(signed_short_int_Array_0[2] >= -1) VAL [\old(cond)=1, float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L88] RET assume_abort_if_not(signed_short_int_Array_0[2] >= -1) VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L89] EXPR signed_short_int_Array_0[2] VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L89] CALL assume_abort_if_not(signed_short_int_Array_0[2] <= 32766) VAL [\old(cond)=1, float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L89] RET assume_abort_if_not(signed_short_int_Array_0[2] <= 32766) VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L90] signed_short_int_Array_0[3] = __VERIFIER_nondet_short() [L91] EXPR signed_short_int_Array_0[3] VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L91] CALL assume_abort_if_not(signed_short_int_Array_0[3] >= 0) VAL [\old(cond)=1, float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L91] RET assume_abort_if_not(signed_short_int_Array_0[3] >= 0) VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L92] EXPR signed_short_int_Array_0[3] VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L92] CALL assume_abort_if_not(signed_short_int_Array_0[3] <= 32766) VAL [\old(cond)=1, float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L92] RET assume_abort_if_not(signed_short_int_Array_0[3] <= 32766) VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L93] unsigned_long_int_Array_0[1][0] = __VERIFIER_nondet_ulong() [L94] EXPR unsigned_long_int_Array_0[1][0] VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L94] CALL assume_abort_if_not(unsigned_long_int_Array_0[1][0] >= 0) VAL [\old(cond)=1, float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L94] RET assume_abort_if_not(unsigned_long_int_Array_0[1][0] >= 0) VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L95] EXPR unsigned_long_int_Array_0[1][0] VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L95] CALL assume_abort_if_not(unsigned_long_int_Array_0[1][0] <= 4294967294) VAL [\old(cond)=1, float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L95] RET assume_abort_if_not(unsigned_long_int_Array_0[1][0] <= 4294967294) VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L96] unsigned_long_int_Array_0[0][1] = __VERIFIER_nondet_ulong() [L97] EXPR unsigned_long_int_Array_0[0][1] VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L97] CALL assume_abort_if_not(unsigned_long_int_Array_0[0][1] >= 0) VAL [\old(cond)=1, float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L97] RET assume_abort_if_not(unsigned_long_int_Array_0[0][1] >= 0) VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L98] EXPR unsigned_long_int_Array_0[0][1] VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L98] CALL assume_abort_if_not(unsigned_long_int_Array_0[0][1] <= 4294967294) VAL [\old(cond)=1, float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L98] RET assume_abort_if_not(unsigned_long_int_Array_0[0][1] <= 4294967294) VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L99] unsigned_long_int_Array_0[1][1] = __VERIFIER_nondet_ulong() [L100] EXPR unsigned_long_int_Array_0[1][1] VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L100] CALL assume_abort_if_not(unsigned_long_int_Array_0[1][1] >= 0) VAL [\old(cond)=1, float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L100] RET assume_abort_if_not(unsigned_long_int_Array_0[1][1] >= 0) VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L101] EXPR unsigned_long_int_Array_0[1][1] VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L101] CALL assume_abort_if_not(unsigned_long_int_Array_0[1][1] <= 4294967294) VAL [\old(cond)=1, float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L101] RET assume_abort_if_not(unsigned_long_int_Array_0[1][1] <= 4294967294) VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L102] unsigned_long_int_Array_0[0][2] = __VERIFIER_nondet_ulong() [L103] EXPR unsigned_long_int_Array_0[0][2] VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L103] CALL assume_abort_if_not(unsigned_long_int_Array_0[0][2] >= 0) VAL [\old(cond)=1, float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L103] RET assume_abort_if_not(unsigned_long_int_Array_0[0][2] >= 0) VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L104] EXPR unsigned_long_int_Array_0[0][2] VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L104] CALL assume_abort_if_not(unsigned_long_int_Array_0[0][2] <= 4294967294) VAL [\old(cond)=1, float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L104] RET assume_abort_if_not(unsigned_long_int_Array_0[0][2] <= 4294967294) VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L117] RET updateVariables() [L118] CALL step() [L48] EXPR \read(*float_Array_0_arrayfloat_Array_0arrayVar2_Pointer) VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L48] COND FALSE !((*(float_Array_0_arrayfloat_Array_0arrayVar2_Pointer)) >= 50.4f) [L51] EXPR \read(*unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer) [L51] EXPR \read(*unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer) [L51] EXPR \read(*unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer) VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L51] COND FALSE !((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer)) == ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer)) * (*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)))) [L58] EXPR \read(*signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer) [L58] (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer)) = (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)) [L60] EXPR \read(*unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer) [L60] EXPR \read(*unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer) VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L60] COND FALSE !(! ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)) < (*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer)))) [L63] EXPR \read(*unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer) [L63] EXPR \read(*unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer) VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L63] EXPR (((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer))) > ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer))) [L63] EXPR \read(*unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer) [L63] EXPR (((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer))) > ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer))) VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L63] (*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer)) = (((((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer))) > ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer))))) [L65] EXPR \read(*unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer) [L65] EXPR \read(*unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer) VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L65] COND FALSE !((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer)) > (*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer))) [L74] EXPR \read(*signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer) [L74] (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)) = (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer)) [L118] RET step() [L119] CALL, EXPR property() [L109] EXPR \read(*float_Array_0_arrayfloat_Array_0arrayVar2_Pointer) VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L109] EXPR ((*(float_Array_0_arrayfloat_Array_0arrayVar2_Pointer)) >= 50.4f) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer)) == ((unsigned long int) (((((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer))) > ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer))))))) : 1 [L109] EXPR \read(*unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer) [L109] EXPR \read(*unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer) [L109] EXPR \read(*unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer) VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L109] EXPR (((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer))) > ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer))) [L109] EXPR \read(*unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer) [L109] EXPR (((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer))) > ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer))) VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L109] EXPR ((*(float_Array_0_arrayfloat_Array_0arrayVar2_Pointer)) >= 50.4f) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer)) == ((unsigned long int) (((((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer))) > ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer))))))) : 1 VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L109] EXPR (((*(float_Array_0_arrayfloat_Array_0arrayVar2_Pointer)) >= 50.4f) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer)) == ((unsigned long int) (((((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer))) > ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer))))))) : 1) && (((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer)) == ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer)) * (*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)))) ? (((*(float_Array_0_arrayfloat_Array_0arrayVar2_Pointer)) >= ((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer)) + (*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer)))) ? ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer)) == ((signed short int) (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer)) == ((signed short int) 32))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer)) == ((signed short int) (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer))))) VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L109] EXPR (((*(float_Array_0_arrayfloat_Array_0arrayVar2_Pointer)) >= 50.4f) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer)) == ((unsigned long int) (((((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer))) > ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer))))))) : 1) && (((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer)) == ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer)) * (*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)))) ? (((*(float_Array_0_arrayfloat_Array_0arrayVar2_Pointer)) >= ((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer)) + (*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer)))) ? ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer)) == ((signed short int) (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer)) == ((signed short int) 32))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer)) == ((signed short int) (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer))))) VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L109] EXPR ((((*(float_Array_0_arrayfloat_Array_0arrayVar2_Pointer)) >= 50.4f) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer)) == ((unsigned long int) (((((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer))) > ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer))))))) : 1) && (((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer)) == ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer)) * (*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)))) ? (((*(float_Array_0_arrayfloat_Array_0arrayVar2_Pointer)) >= ((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer)) + (*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer)))) ? ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer)) == ((signed short int) (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer)) == ((signed short int) 32))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer)) == ((signed short int) (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)))))) && ((! ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)) < (*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer)) == ((unsigned long int) (((((((((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer))) < ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)))))) < ((((((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer))) > ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer))))))) ? ((((((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer))) < ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)))))) : ((((((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer))) > ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer)))))))))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer)) == ((unsigned long int) (((((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer))) > ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer)))))))) VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L109] EXPR ((((*(float_Array_0_arrayfloat_Array_0arrayVar2_Pointer)) >= 50.4f) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer)) == ((unsigned long int) (((((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer))) > ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer))))))) : 1) && (((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer)) == ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer)) * (*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)))) ? (((*(float_Array_0_arrayfloat_Array_0arrayVar2_Pointer)) >= ((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer)) + (*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer)))) ? ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer)) == ((signed short int) (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer)) == ((signed short int) 32))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer)) == ((signed short int) (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)))))) && ((! ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)) < (*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer)) == ((unsigned long int) (((((((((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer))) < ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)))))) < ((((((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer))) > ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer))))))) ? ((((((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer))) < ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)))))) : ((((((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer))) > ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer)))))))))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer)) == ((unsigned long int) (((((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer))) > ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer)))))))) VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L109] EXPR (((((*(float_Array_0_arrayfloat_Array_0arrayVar2_Pointer)) >= 50.4f) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer)) == ((unsigned long int) (((((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer))) > ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer))))))) : 1) && (((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer)) == ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer)) * (*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)))) ? (((*(float_Array_0_arrayfloat_Array_0arrayVar2_Pointer)) >= ((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer)) + (*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer)))) ? ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer)) == ((signed short int) (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer)) == ((signed short int) 32))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer)) == ((signed short int) (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)))))) && ((! ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)) < (*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer)) == ((unsigned long int) (((((((((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer))) < ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)))))) < ((((((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer))) > ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer))))))) ? ((((((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer))) < ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)))))) : ((((((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer))) > ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer)))))))))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer)) == ((unsigned long int) (((((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer))) > ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer))))))))) && (((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer)) > (*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer))) ? ((63.1 >= (*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer))) ? (((*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer)) >= (*(float_Array_0_arrayfloat_Array_0arrayVar2_Pointer))) ? ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)) == ((signed short int) ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer)) - (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer))))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)) == ((signed short int) (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer))))) : 1) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)) == ((signed short int) (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer))))) VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L109] EXPR (((((*(float_Array_0_arrayfloat_Array_0arrayVar2_Pointer)) >= 50.4f) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer)) == ((unsigned long int) (((((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer))) > ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer))))))) : 1) && (((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer)) == ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer)) * (*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)))) ? (((*(float_Array_0_arrayfloat_Array_0arrayVar2_Pointer)) >= ((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer)) + (*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer)))) ? ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer)) == ((signed short int) (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer)) == ((signed short int) 32))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer)) == ((signed short int) (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)))))) && ((! ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)) < (*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer)) == ((unsigned long int) (((((((((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer))) < ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)))))) < ((((((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer))) > ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer))))))) ? ((((((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer))) < ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)))))) : ((((((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer))) > ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer)))))))))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer)) == ((unsigned long int) (((((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer))) > ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer))))))))) && (((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer)) > (*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer))) ? ((63.1 >= (*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer))) ? (((*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer)) >= (*(float_Array_0_arrayfloat_Array_0arrayVar2_Pointer))) ? ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)) == ((signed short int) ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer)) - (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer))))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)) == ((signed short int) (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer))))) : 1) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)) == ((signed short int) (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer))))) VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L109-L110] return (((((*(float_Array_0_arrayfloat_Array_0arrayVar2_Pointer)) >= 50.4f) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer)) == ((unsigned long int) (((((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer))) > ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer))))))) : 1) && (((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer)) == ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer)) * (*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)))) ? (((*(float_Array_0_arrayfloat_Array_0arrayVar2_Pointer)) >= ((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer)) + (*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer)))) ? ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer)) == ((signed short int) (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer)) == ((signed short int) 32))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer)) == ((signed short int) (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)))))) && ((! ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)) < (*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer)) == ((unsigned long int) (((((((((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer))) < ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)))))) < ((((((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer))) > ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer))))))) ? ((((((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer))) < ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)))))) : ((((((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer))) > ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer)))))))))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer)) == ((unsigned long int) (((((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer))) > ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer))))))))) && (((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer)) > (*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer))) ? ((63.1 >= (*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer))) ? (((*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer)) >= (*(float_Array_0_arrayfloat_Array_0arrayVar2_Pointer))) ? ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)) == ((signed short int) ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer)) - (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer))))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)) == ((signed short int) (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer))))) : 1) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)) == ((signed short int) (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer))))) ; [L119] RET, EXPR property() [L119] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L19] reach_error() VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 125 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.3s, OverallIterations: 4, TraceHistogramMax: 17, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 635 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 635 mSDsluCounter, 1760 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1215 mSDsCounter, 36 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 199 IncrementalHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 36 mSolverCounterUnsat, 545 mSDtfsCounter, 199 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 299 GetRequests, 282 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=208occurred in iteration=3, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 972 NumberOfCodeBlocks, 972 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 687 ConstructedInterpolants, 0 QuantifiedInterpolants, 1963 SizeOfPredicates, 0 NumberOfNonLiveVariables, 998 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 2667/2720 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-23 18:36:17,790 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-91.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fa1d009dc6f8eabe9542b3dc62739ce0106fb2669419cfdd51359ba01dfee168 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 18:36:20,411 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 18:36:20,541 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-23 18:36:20,547 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 18:36:20,550 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 18:36:20,588 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 18:36:20,589 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 18:36:20,589 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 18:36:20,589 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 18:36:20,590 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 18:36:20,591 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 18:36:20,591 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 18:36:20,591 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 18:36:20,591 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 18:36:20,592 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 18:36:20,592 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 18:36:20,592 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 18:36:20,593 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 18:36:20,593 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 18:36:20,593 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 18:36:20,593 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 18:36:20,593 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 18:36:20,593 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 18:36:20,594 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-23 18:36:20,594 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-23 18:36:20,594 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-23 18:36:20,594 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 18:36:20,594 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 18:36:20,594 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 18:36:20,594 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 18:36:20,595 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 18:36:20,595 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:36:20,595 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 18:36:20,595 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:36:20,596 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:36:20,596 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 18:36:20,596 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:36:20,596 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 18:36:20,596 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:36:20,596 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:36:20,597 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 18:36:20,597 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 18:36:20,597 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 18:36:20,597 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 18:36:20,597 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-23 18:36:20,598 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-23 18:36:20,598 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 18:36:20,598 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 18:36:20,598 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 18:36:20,598 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 18:36:20,598 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa1d009dc6f8eabe9542b3dc62739ce0106fb2669419cfdd51359ba01dfee168 [2024-11-23 18:36:20,959 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 18:36:20,970 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 18:36:20,974 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 18:36:20,975 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 18:36:20,976 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 18:36:20,977 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-91.i [2024-11-23 18:36:24,057 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/data/d89ede609/f210b0941d764788b4efa7dfc0129933/FLAG11b201c5d [2024-11-23 18:36:24,370 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 18:36:24,370 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-91.i [2024-11-23 18:36:24,389 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/data/d89ede609/f210b0941d764788b4efa7dfc0129933/FLAG11b201c5d [2024-11-23 18:36:24,413 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/data/d89ede609/f210b0941d764788b4efa7dfc0129933 [2024-11-23 18:36:24,416 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 18:36:24,417 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 18:36:24,418 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 18:36:24,418 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 18:36:24,423 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 18:36:24,424 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:36:24" (1/1) ... [2024-11-23 18:36:24,426 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@345816e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:36:24, skipping insertion in model container [2024-11-23 18:36:24,427 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:36:24" (1/1) ... [2024-11-23 18:36:24,453 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 18:36:24,614 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-91.i[917,930] [2024-11-23 18:36:24,733 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:36:24,765 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 18:36:24,781 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-91.i[917,930] [2024-11-23 18:36:24,849 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:36:24,883 INFO L204 MainTranslator]: Completed translation [2024-11-23 18:36:24,883 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:36:24 WrapperNode [2024-11-23 18:36:24,884 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 18:36:24,885 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 18:36:24,885 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 18:36:24,885 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 18:36:24,895 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:36:24" (1/1) ... [2024-11-23 18:36:24,921 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:36:24" (1/1) ... [2024-11-23 18:36:24,981 INFO L138 Inliner]: procedures = 36, calls = 189, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 592 [2024-11-23 18:36:24,981 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 18:36:24,982 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 18:36:24,982 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 18:36:24,982 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 18:36:24,992 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:36:24" (1/1) ... [2024-11-23 18:36:24,992 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:36:24" (1/1) ... [2024-11-23 18:36:25,003 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:36:24" (1/1) ... [2024-11-23 18:36:25,032 INFO L175 MemorySlicer]: Split 158 memory accesses to 4 slices as follows [2, 32, 38, 86]. 54 percent of accesses are in the largest equivalence class. The 16 initializations are split as follows [2, 3, 5, 6]. The 19 writes are split as follows [0, 3, 9, 7]. [2024-11-23 18:36:25,032 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:36:24" (1/1) ... [2024-11-23 18:36:25,032 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:36:24" (1/1) ... [2024-11-23 18:36:25,069 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:36:24" (1/1) ... [2024-11-23 18:36:25,073 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:36:24" (1/1) ... [2024-11-23 18:36:25,083 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:36:24" (1/1) ... [2024-11-23 18:36:25,090 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:36:24" (1/1) ... [2024-11-23 18:36:25,095 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:36:24" (1/1) ... [2024-11-23 18:36:25,104 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 18:36:25,108 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 18:36:25,108 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 18:36:25,108 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 18:36:25,111 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:36:24" (1/1) ... [2024-11-23 18:36:25,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:36:25,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:36:25,155 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 18:36:25,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 18:36:25,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 18:36:25,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2024-11-23 18:36:25,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2024-11-23 18:36:25,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2024-11-23 18:36:25,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2024-11-23 18:36:25,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-23 18:36:25,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-23 18:36:25,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-23 18:36:25,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-23 18:36:25,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-23 18:36:25,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-23 18:36:25,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-23 18:36:25,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-23 18:36:25,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-23 18:36:25,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-23 18:36:25,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-11-23 18:36:25,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-11-23 18:36:25,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-23 18:36:25,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-23 18:36:25,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-23 18:36:25,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-23 18:36:25,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-23 18:36:25,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-23 18:36:25,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-11-23 18:36:25,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-11-23 18:36:25,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-23 18:36:25,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-23 18:36:25,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-11-23 18:36:25,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-11-23 18:36:25,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-11-23 18:36:25,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-11-23 18:36:25,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-11-23 18:36:25,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-11-23 18:36:25,197 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 18:36:25,197 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 18:36:25,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 18:36:25,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 18:36:25,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-11-23 18:36:25,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-11-23 18:36:25,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-11-23 18:36:25,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-11-23 18:36:25,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-23 18:36:25,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-23 18:36:25,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-23 18:36:25,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-23 18:36:25,445 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 18:36:25,447 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 18:36:27,062 INFO L? ?]: Removed 171 outVars from TransFormulas that were not future-live. [2024-11-23 18:36:27,062 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 18:36:27,078 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 18:36:27,078 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 18:36:27,081 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:36:27 BoogieIcfgContainer [2024-11-23 18:36:27,081 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 18:36:27,083 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 18:36:27,084 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 18:36:27,089 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 18:36:27,090 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:36:24" (1/3) ... [2024-11-23 18:36:27,090 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24b021df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:36:27, skipping insertion in model container [2024-11-23 18:36:27,090 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:36:24" (2/3) ... [2024-11-23 18:36:27,091 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24b021df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:36:27, skipping insertion in model container [2024-11-23 18:36:27,091 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:36:27" (3/3) ... [2024-11-23 18:36:27,092 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-ap_file-91.i [2024-11-23 18:36:27,109 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 18:36:27,111 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-ap_file-91.i that has 2 procedures, 125 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-23 18:36:27,220 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 18:36:27,240 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@36e36275, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 18:36:27,240 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 18:36:27,246 INFO L276 IsEmpty]: Start isEmpty. Operand has 125 states, 105 states have (on average 1.4285714285714286) internal successors, (150), 106 states have internal predecessors, (150), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-23 18:36:27,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-23 18:36:27,261 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:36:27,262 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:36:27,263 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:36:27,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:36:27,269 INFO L85 PathProgramCache]: Analyzing trace with hash -1430690379, now seen corresponding path program 1 times [2024-11-23 18:36:27,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:36:27,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [214813765] [2024-11-23 18:36:27,280 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:36:27,280 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:36:27,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:36:27,282 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:36:27,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-23 18:36:27,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:36:27,742 INFO L256 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-23 18:36:27,750 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:36:27,818 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-11-23 18:36:27,818 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:36:27,819 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:36:27,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [214813765] [2024-11-23 18:36:27,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [214813765] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:36:27,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:36:27,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 18:36:27,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762083150] [2024-11-23 18:36:27,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:36:27,830 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 18:36:27,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:36:27,853 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 18:36:27,854 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 18:36:27,856 INFO L87 Difference]: Start difference. First operand has 125 states, 105 states have (on average 1.4285714285714286) internal successors, (150), 106 states have internal predecessors, (150), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-23 18:36:27,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:36:27,892 INFO L93 Difference]: Finished difference Result 243 states and 379 transitions. [2024-11-23 18:36:27,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 18:36:27,894 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 138 [2024-11-23 18:36:27,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:36:27,902 INFO L225 Difference]: With dead ends: 243 [2024-11-23 18:36:27,902 INFO L226 Difference]: Without dead ends: 121 [2024-11-23 18:36:27,906 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 18:36:27,909 INFO L435 NwaCegarLoop]: 177 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 18:36:27,910 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 18:36:27,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-11-23 18:36:27,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2024-11-23 18:36:27,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 102 states have (on average 1.4019607843137254) internal successors, (143), 102 states have internal predecessors, (143), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-23 18:36:27,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 177 transitions. [2024-11-23 18:36:27,959 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 177 transitions. Word has length 138 [2024-11-23 18:36:27,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:36:27,961 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 177 transitions. [2024-11-23 18:36:27,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-23 18:36:27,962 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 177 transitions. [2024-11-23 18:36:27,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-23 18:36:27,970 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:36:27,970 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:36:27,980 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-23 18:36:28,171 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:36:28,172 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:36:28,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:36:28,174 INFO L85 PathProgramCache]: Analyzing trace with hash -1147655401, now seen corresponding path program 1 times [2024-11-23 18:36:28,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:36:28,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [877750881] [2024-11-23 18:36:28,176 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:36:28,176 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:36:28,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:36:28,178 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:36:28,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-23 18:36:28,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:36:28,594 INFO L256 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 18:36:28,602 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:36:28,688 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-23 18:36:28,689 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:36:28,689 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:36:28,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [877750881] [2024-11-23 18:36:28,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [877750881] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:36:28,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:36:28,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 18:36:28,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639101735] [2024-11-23 18:36:28,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:36:28,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 18:36:28,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:36:28,694 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 18:36:28,695 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 18:36:28,695 INFO L87 Difference]: Start difference. First operand 121 states and 177 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:36:28,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:36:28,782 INFO L93 Difference]: Finished difference Result 241 states and 354 transitions. [2024-11-23 18:36:28,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 18:36:28,783 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 138 [2024-11-23 18:36:28,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:36:28,785 INFO L225 Difference]: With dead ends: 241 [2024-11-23 18:36:28,785 INFO L226 Difference]: Without dead ends: 123 [2024-11-23 18:36:28,786 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 18:36:28,790 INFO L435 NwaCegarLoop]: 175 mSDtfsCounter, 0 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 514 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 18:36:28,791 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 514 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 18:36:28,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-11-23 18:36:28,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2024-11-23 18:36:28,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 104 states have (on average 1.3942307692307692) internal successors, (145), 104 states have internal predecessors, (145), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-23 18:36:28,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 179 transitions. [2024-11-23 18:36:28,807 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 179 transitions. Word has length 138 [2024-11-23 18:36:28,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:36:28,812 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 179 transitions. [2024-11-23 18:36:28,813 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:36:28,813 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 179 transitions. [2024-11-23 18:36:28,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-23 18:36:28,815 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:36:28,815 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:36:28,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-23 18:36:29,016 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:36:29,016 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:36:29,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:36:29,017 INFO L85 PathProgramCache]: Analyzing trace with hash -530064823, now seen corresponding path program 1 times [2024-11-23 18:36:29,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:36:29,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1193883677] [2024-11-23 18:36:29,018 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:36:29,018 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:36:29,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:36:29,022 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:36:29,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-23 18:36:29,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:36:29,592 INFO L256 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-23 18:36:29,601 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:36:31,399 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-23 18:36:32,149 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2024-11-23 18:36:32,799 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2024-11-23 18:36:35,277 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2024-11-23 18:36:35,676 INFO L349 Elim1Store]: treesize reduction 31, result has 26.2 percent of original size [2024-11-23 18:36:35,676 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2024-11-23 18:36:35,939 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:36:35,940 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 68 treesize of output 40 [2024-11-23 18:36:36,019 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 48 proven. 280 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2024-11-23 18:36:36,019 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 18:36:37,343 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:36:37,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1193883677] [2024-11-23 18:36:37,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1193883677] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:36:37,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1092861359] [2024-11-23 18:36:37,344 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:36:37,344 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-23 18:36:37,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-23 18:36:37,356 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-23 18:36:37,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-23 18:36:38,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:36:38,941 INFO L256 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-23 18:36:38,958 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:36:40,289 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-23 18:36:40,767 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-23 18:36:41,158 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-23 18:36:43,037 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2024-11-23 18:36:43,380 INFO L349 Elim1Store]: treesize reduction 55, result has 21.4 percent of original size [2024-11-23 18:36:43,380 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 39 treesize of output 55 [2024-11-23 18:36:43,658 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 39 [2024-11-23 18:36:43,674 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 280 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-23 18:36:43,674 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 18:36:45,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1092861359] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:36:45,044 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-23 18:36:45,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 13 [2024-11-23 18:36:45,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425512926] [2024-11-23 18:36:45,045 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-23 18:36:45,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-23 18:36:45,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:36:45,046 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-23 18:36:45,047 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=311, Unknown=0, NotChecked=0, Total=380 [2024-11-23 18:36:45,047 INFO L87 Difference]: Start difference. First operand 123 states and 179 transitions. Second operand has 14 states, 14 states have (on average 8.285714285714286) internal successors, (116), 13 states have internal predecessors, (116), 5 states have call successors, (34), 5 states have call predecessors, (34), 5 states have return successors, (34), 5 states have call predecessors, (34), 5 states have call successors, (34) [2024-11-23 18:36:48,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:36:48,702 INFO L93 Difference]: Finished difference Result 402 states and 582 transitions. [2024-11-23 18:36:48,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 18:36:48,703 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 8.285714285714286) internal successors, (116), 13 states have internal predecessors, (116), 5 states have call successors, (34), 5 states have call predecessors, (34), 5 states have return successors, (34), 5 states have call predecessors, (34), 5 states have call successors, (34) Word has length 140 [2024-11-23 18:36:48,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:36:48,705 INFO L225 Difference]: With dead ends: 402 [2024-11-23 18:36:48,705 INFO L226 Difference]: Without dead ends: 282 [2024-11-23 18:36:48,706 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 339 GetRequests, 312 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=227, Invalid=585, Unknown=0, NotChecked=0, Total=812 [2024-11-23 18:36:48,707 INFO L435 NwaCegarLoop]: 193 mSDtfsCounter, 1603 mSDsluCounter, 1115 mSDsCounter, 0 mSdLazyCounter, 335 mSolverCounterSat, 146 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1603 SdHoareTripleChecker+Valid, 1308 SdHoareTripleChecker+Invalid, 481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 146 IncrementalHoareTripleChecker+Valid, 335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-23 18:36:48,708 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1603 Valid, 1308 Invalid, 481 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [146 Valid, 335 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-23 18:36:48,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2024-11-23 18:36:48,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 208. [2024-11-23 18:36:48,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 185 states have (on average 1.4216216216216215) internal successors, (263), 186 states have internal predecessors, (263), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-23 18:36:48,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 303 transitions. [2024-11-23 18:36:48,755 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 303 transitions. Word has length 140 [2024-11-23 18:36:48,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:36:48,755 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 303 transitions. [2024-11-23 18:36:48,756 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 8.285714285714286) internal successors, (116), 13 states have internal predecessors, (116), 5 states have call successors, (34), 5 states have call predecessors, (34), 5 states have return successors, (34), 5 states have call predecessors, (34), 5 states have call successors, (34) [2024-11-23 18:36:48,756 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 303 transitions. [2024-11-23 18:36:48,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-23 18:36:48,761 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:36:48,764 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:36:48,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-23 18:36:48,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-23 18:36:49,164 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt [2024-11-23 18:36:49,165 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:36:49,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:36:49,165 INFO L85 PathProgramCache]: Analyzing trace with hash 104451762, now seen corresponding path program 1 times [2024-11-23 18:36:49,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:36:49,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1737290872] [2024-11-23 18:36:49,166 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:36:49,166 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:36:49,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:36:49,168 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:36:49,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-23 18:36:49,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:36:49,460 INFO L256 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-23 18:36:49,464 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:36:51,752 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 34 [2024-11-23 18:36:51,836 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2024-11-23 18:36:51,836 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 18:36:52,479 INFO L349 Elim1Store]: treesize reduction 4, result has 69.2 percent of original size [2024-11-23 18:36:52,480 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 87 treesize of output 48 [2024-11-23 18:36:52,661 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:36:52,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1737290872] [2024-11-23 18:36:52,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1737290872] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:36:52,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [798061002] [2024-11-23 18:36:52,661 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:36:52,661 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-23 18:36:52,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-23 18:36:52,664 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-23 18:36:52,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-23 18:36:53,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:36:53,403 INFO L256 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 18:36:53,406 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:36:53,501 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 22 [2024-11-23 18:36:53,557 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-23 18:36:53,557 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:36:53,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [798061002] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:36:53,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 18:36:53,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 11 [2024-11-23 18:36:53,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697719176] [2024-11-23 18:36:53,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:36:53,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:36:53,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:36:53,559 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:36:53,559 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2024-11-23 18:36:53,560 INFO L87 Difference]: Start difference. First operand 208 states and 303 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:36:55,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:36:55,605 INFO L93 Difference]: Finished difference Result 529 states and 772 transitions. [2024-11-23 18:36:55,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 18:36:55,609 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 140 [2024-11-23 18:36:55,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:36:55,613 INFO L225 Difference]: With dead ends: 529 [2024-11-23 18:36:55,613 INFO L226 Difference]: Without dead ends: 324 [2024-11-23 18:36:55,614 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 398 GetRequests, 383 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2024-11-23 18:36:55,615 INFO L435 NwaCegarLoop]: 160 mSDtfsCounter, 78 mSDsluCounter, 436 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 596 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-23 18:36:55,616 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 596 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-23 18:36:55,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2024-11-23 18:36:55,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 249. [2024-11-23 18:36:55,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 226 states have (on average 1.4424778761061947) internal successors, (326), 227 states have internal predecessors, (326), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-23 18:36:55,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 366 transitions. [2024-11-23 18:36:55,662 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 366 transitions. Word has length 140 [2024-11-23 18:36:55,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:36:55,663 INFO L471 AbstractCegarLoop]: Abstraction has 249 states and 366 transitions. [2024-11-23 18:36:55,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:36:55,663 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 366 transitions. [2024-11-23 18:36:55,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-23 18:36:55,666 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:36:55,666 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:36:55,674 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-23 18:36:55,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-23 18:36:56,067 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:36:56,067 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:36:56,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:36:56,068 INFO L85 PathProgramCache]: Analyzing trace with hash -839067348, now seen corresponding path program 1 times [2024-11-23 18:36:56,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:36:56,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1734670391] [2024-11-23 18:36:56,069 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:36:56,069 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:36:56,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:36:56,073 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:36:56,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-23 18:36:56,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:36:56,482 INFO L256 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-23 18:36:56,487 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:37:00,920 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 27 [2024-11-23 18:37:01,826 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:37:01,827 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 15 [2024-11-23 18:37:01,954 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-23 18:37:01,954 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:37:01,954 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:37:01,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1734670391] [2024-11-23 18:37:01,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1734670391] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:37:01,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:37:01,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 18:37:01,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420957378] [2024-11-23 18:37:01,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:37:01,955 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 18:37:01,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:37:01,956 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 18:37:01,956 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-23 18:37:01,956 INFO L87 Difference]: Start difference. First operand 249 states and 366 transitions. Second operand has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:37:07,266 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 18:37:11,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 18:37:15,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 18:37:21,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 18:37:25,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 18:37:29,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 18:37:33,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 18:37:37,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 18:37:41,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 18:37:45,825 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 18:37:49,878 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 18:37:53,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 18:37:54,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:37:54,085 INFO L93 Difference]: Finished difference Result 686 states and 1009 transitions. [2024-11-23 18:37:54,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 18:37:54,088 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 141 [2024-11-23 18:37:54,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:37:54,091 INFO L225 Difference]: With dead ends: 686 [2024-11-23 18:37:54,091 INFO L226 Difference]: Without dead ends: 440 [2024-11-23 18:37:54,092 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-23 18:37:54,093 INFO L435 NwaCegarLoop]: 243 mSDtfsCounter, 347 mSDsluCounter, 482 mSDsCounter, 0 mSdLazyCounter, 393 mSolverCounterSat, 9 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 51.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 347 SdHoareTripleChecker+Valid, 725 SdHoareTripleChecker+Invalid, 414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 393 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 51.7s IncrementalHoareTripleChecker+Time [2024-11-23 18:37:54,093 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [347 Valid, 725 Invalid, 414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 393 Invalid, 12 Unknown, 0 Unchecked, 51.7s Time] [2024-11-23 18:37:54,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2024-11-23 18:37:54,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 419. [2024-11-23 18:37:54,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 419 states, 382 states have (on average 1.4397905759162304) internal successors, (550), 385 states have internal predecessors, (550), 32 states have call successors, (32), 4 states have call predecessors, (32), 4 states have return successors, (32), 29 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-23 18:37:54,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 614 transitions. [2024-11-23 18:37:54,144 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 614 transitions. Word has length 141 [2024-11-23 18:37:54,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:37:54,144 INFO L471 AbstractCegarLoop]: Abstraction has 419 states and 614 transitions. [2024-11-23 18:37:54,145 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:37:54,145 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 614 transitions. [2024-11-23 18:37:54,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-23 18:37:54,147 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:37:54,147 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:37:54,157 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2024-11-23 18:37:54,347 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:37:54,348 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:37:54,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:37:54,348 INFO L85 PathProgramCache]: Analyzing trace with hash -1990432658, now seen corresponding path program 1 times [2024-11-23 18:37:54,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:37:54,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1672698970] [2024-11-23 18:37:54,349 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:37:54,349 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:37:54,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:37:54,350 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:37:54,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-23 18:37:54,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:37:54,837 INFO L256 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-23 18:37:54,840 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:37:58,913 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 28 [2024-11-23 18:37:59,728 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:37:59,728 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 16 [2024-11-23 18:37:59,875 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-23 18:37:59,875 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:37:59,875 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:37:59,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1672698970] [2024-11-23 18:37:59,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1672698970] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:37:59,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:37:59,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 18:37:59,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270141929] [2024-11-23 18:37:59,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:37:59,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 18:37:59,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:37:59,876 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 18:37:59,877 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-23 18:37:59,877 INFO L87 Difference]: Start difference. First operand 419 states and 614 transitions. Second operand has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:38:05,173 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 18:38:09,731 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 18:38:13,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 18:38:15,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:38:15,624 INFO L93 Difference]: Finished difference Result 969 states and 1419 transitions. [2024-11-23 18:38:15,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 18:38:15,627 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 142 [2024-11-23 18:38:15,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:38:15,631 INFO L225 Difference]: With dead ends: 969 [2024-11-23 18:38:15,631 INFO L226 Difference]: Without dead ends: 553 [2024-11-23 18:38:15,632 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-23 18:38:15,632 INFO L435 NwaCegarLoop]: 128 mSDtfsCounter, 435 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 20 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 435 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.3s IncrementalHoareTripleChecker+Time [2024-11-23 18:38:15,633 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [435 Valid, 421 Invalid, 305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 282 Invalid, 3 Unknown, 0 Unchecked, 15.3s Time] [2024-11-23 18:38:15,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 553 states. [2024-11-23 18:38:15,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 553 to 441. [2024-11-23 18:38:15,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 404 states have (on average 1.438118811881188) internal successors, (581), 407 states have internal predecessors, (581), 32 states have call successors, (32), 4 states have call predecessors, (32), 4 states have return successors, (32), 29 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-23 18:38:15,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 645 transitions. [2024-11-23 18:38:15,675 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 645 transitions. Word has length 142 [2024-11-23 18:38:15,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:38:15,676 INFO L471 AbstractCegarLoop]: Abstraction has 441 states and 645 transitions. [2024-11-23 18:38:15,676 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:38:15,676 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 645 transitions. [2024-11-23 18:38:15,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-23 18:38:15,678 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:38:15,678 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:38:15,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2024-11-23 18:38:15,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:38:15,879 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:38:15,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:38:15,879 INFO L85 PathProgramCache]: Analyzing trace with hash 1368010445, now seen corresponding path program 1 times [2024-11-23 18:38:15,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:38:15,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [472498021] [2024-11-23 18:38:15,880 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:38:15,880 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:38:15,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:38:15,881 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:38:15,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-11-23 18:38:16,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:38:16,165 INFO L256 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-23 18:38:16,168 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:38:18,214 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 34 [2024-11-23 18:38:18,299 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2024-11-23 18:38:18,300 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 18:38:19,005 INFO L349 Elim1Store]: treesize reduction 4, result has 69.2 percent of original size [2024-11-23 18:38:19,005 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 87 treesize of output 48 [2024-11-23 18:38:19,207 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:38:19,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [472498021] [2024-11-23 18:38:19,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [472498021] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:38:19,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [344340078] [2024-11-23 18:38:19,208 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:38:19,208 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-23 18:38:19,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-23 18:38:19,210 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-23 18:38:19,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-23 18:38:20,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:38:20,130 INFO L256 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-23 18:38:20,135 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:38:20,799 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-11-23 18:38:23,354 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 34 [2024-11-23 18:38:23,413 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2024-11-23 18:38:23,413 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 18:38:23,734 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 46 [2024-11-23 18:38:23,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [344340078] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:38:23,932 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-23 18:38:23,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2024-11-23 18:38:23,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126343728] [2024-11-23 18:38:23,933 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-23 18:38:23,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-23 18:38:23,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:38:23,934 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-23 18:38:23,934 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2024-11-23 18:38:23,934 INFO L87 Difference]: Start difference. First operand 441 states and 645 transitions. Second operand has 13 states, 13 states have (on average 7.769230769230769) internal successors, (101), 12 states have internal predecessors, (101), 4 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) [2024-11-23 18:38:28,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:38:28,468 INFO L93 Difference]: Finished difference Result 1220 states and 1775 transitions. [2024-11-23 18:38:28,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 18:38:28,469 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 7.769230769230769) internal successors, (101), 12 states have internal predecessors, (101), 4 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) Word has length 142 [2024-11-23 18:38:28,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:38:28,474 INFO L225 Difference]: With dead ends: 1220 [2024-11-23 18:38:28,474 INFO L226 Difference]: Without dead ends: 782 [2024-11-23 18:38:28,475 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 529 GetRequests, 503 SyntacticMatches, 4 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=129, Invalid=423, Unknown=0, NotChecked=0, Total=552 [2024-11-23 18:38:28,478 INFO L435 NwaCegarLoop]: 161 mSDtfsCounter, 595 mSDsluCounter, 951 mSDsCounter, 0 mSdLazyCounter, 674 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 595 SdHoareTripleChecker+Valid, 1112 SdHoareTripleChecker+Invalid, 771 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 674 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-11-23 18:38:28,480 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [595 Valid, 1112 Invalid, 771 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 674 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2024-11-23 18:38:28,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 782 states. [2024-11-23 18:38:28,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 782 to 776. [2024-11-23 18:38:28,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 776 states, 703 states have (on average 1.4210526315789473) internal successors, (999), 713 states have internal predecessors, (999), 64 states have call successors, (64), 8 states have call predecessors, (64), 8 states have return successors, (64), 54 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-23 18:38:28,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 776 states and 1127 transitions. [2024-11-23 18:38:28,603 INFO L78 Accepts]: Start accepts. Automaton has 776 states and 1127 transitions. Word has length 142 [2024-11-23 18:38:28,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:38:28,604 INFO L471 AbstractCegarLoop]: Abstraction has 776 states and 1127 transitions. [2024-11-23 18:38:28,604 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.769230769230769) internal successors, (101), 12 states have internal predecessors, (101), 4 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) [2024-11-23 18:38:28,605 INFO L276 IsEmpty]: Start isEmpty. Operand 776 states and 1127 transitions. [2024-11-23 18:38:28,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-23 18:38:28,608 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:38:28,608 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:38:28,616 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2024-11-23 18:38:28,814 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-23 18:38:29,008 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt [2024-11-23 18:38:29,009 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:38:29,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:38:29,009 INFO L85 PathProgramCache]: Analyzing trace with hash 85838159, now seen corresponding path program 1 times [2024-11-23 18:38:29,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:38:29,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1725864343] [2024-11-23 18:38:29,010 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:38:29,010 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:38:29,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:38:29,011 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:38:29,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2024-11-23 18:38:29,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:38:29,299 INFO L256 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 18:38:29,302 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:38:29,324 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2024-11-23 18:38:29,324 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:38:29,325 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:38:29,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1725864343] [2024-11-23 18:38:29,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1725864343] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:38:29,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:38:29,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 18:38:29,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443960994] [2024-11-23 18:38:29,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:38:29,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 18:38:29,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:38:29,326 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 18:38:29,326 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 18:38:29,327 INFO L87 Difference]: Start difference. First operand 776 states and 1127 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-23 18:38:29,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:38:29,465 INFO L93 Difference]: Finished difference Result 1549 states and 2251 transitions. [2024-11-23 18:38:29,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 18:38:29,465 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 142 [2024-11-23 18:38:29,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:38:29,469 INFO L225 Difference]: With dead ends: 1549 [2024-11-23 18:38:29,469 INFO L226 Difference]: Without dead ends: 776 [2024-11-23 18:38:29,471 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 18:38:29,472 INFO L435 NwaCegarLoop]: 177 mSDtfsCounter, 0 mSDsluCounter, 340 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 517 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 18:38:29,472 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 517 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 18:38:29,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 776 states. [2024-11-23 18:38:29,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 776 to 776. [2024-11-23 18:38:29,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 776 states, 703 states have (on average 1.4153627311522048) internal successors, (995), 713 states have internal predecessors, (995), 64 states have call successors, (64), 8 states have call predecessors, (64), 8 states have return successors, (64), 54 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-23 18:38:29,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 776 states and 1123 transitions. [2024-11-23 18:38:29,591 INFO L78 Accepts]: Start accepts. Automaton has 776 states and 1123 transitions. Word has length 142 [2024-11-23 18:38:29,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:38:29,591 INFO L471 AbstractCegarLoop]: Abstraction has 776 states and 1123 transitions. [2024-11-23 18:38:29,591 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-23 18:38:29,591 INFO L276 IsEmpty]: Start isEmpty. Operand 776 states and 1123 transitions. [2024-11-23 18:38:29,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-23 18:38:29,594 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:38:29,594 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:38:29,601 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Ended with exit code 0 [2024-11-23 18:38:29,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:38:29,795 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:38:29,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:38:29,795 INFO L85 PathProgramCache]: Analyzing trace with hash -783677425, now seen corresponding path program 1 times [2024-11-23 18:38:29,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:38:29,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [187421334] [2024-11-23 18:38:29,796 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:38:29,796 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:38:29,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:38:29,797 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:38:29,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2024-11-23 18:38:30,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:38:30,277 INFO L256 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-23 18:38:30,282 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:38:31,498 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-23 18:38:32,225 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2024-11-23 18:38:32,781 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2024-11-23 18:38:34,913 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2024-11-23 18:38:35,240 INFO L349 Elim1Store]: treesize reduction 31, result has 26.2 percent of original size [2024-11-23 18:38:35,240 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2024-11-23 18:38:35,457 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:38:35,457 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 71 treesize of output 39 [2024-11-23 18:38:35,554 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 48 proven. 280 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2024-11-23 18:38:35,554 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 18:38:40,100 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:38:40,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [187421334] [2024-11-23 18:38:40,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [187421334] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:38:40,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [84678850] [2024-11-23 18:38:40,100 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:38:40,100 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-23 18:38:40,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-23 18:38:40,102 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-23 18:38:40,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-23 18:38:41,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:38:41,778 INFO L256 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-23 18:38:41,783 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:38:43,366 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-23 18:38:44,110 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-11-23 18:38:45,003 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2024-11-23 18:38:48,236 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2024-11-23 18:38:48,806 INFO L349 Elim1Store]: treesize reduction 55, result has 21.4 percent of original size [2024-11-23 18:38:48,806 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 44 treesize of output 60 [2024-11-23 18:38:49,276 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 44 [2024-11-23 18:38:49,307 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 64 proven. 280 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-11-23 18:38:49,307 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 18:38:58,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [84678850] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:38:58,519 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-23 18:38:58,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 16 [2024-11-23 18:38:58,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571454364] [2024-11-23 18:38:58,520 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-23 18:38:58,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-23 18:38:58,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:38:58,521 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-23 18:38:58,521 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=464, Unknown=1, NotChecked=0, Total=552 [2024-11-23 18:38:58,522 INFO L87 Difference]: Start difference. First operand 776 states and 1123 transitions. Second operand has 17 states, 17 states have (on average 7.470588235294118) internal successors, (127), 16 states have internal predecessors, (127), 7 states have call successors, (34), 7 states have call predecessors, (34), 7 states have return successors, (34), 7 states have call predecessors, (34), 7 states have call successors, (34) [2024-11-23 18:39:05,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:39:05,394 INFO L93 Difference]: Finished difference Result 1869 states and 2674 transitions. [2024-11-23 18:39:05,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-23 18:39:05,395 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 7.470588235294118) internal successors, (127), 16 states have internal predecessors, (127), 7 states have call successors, (34), 7 states have call predecessors, (34), 7 states have return successors, (34), 7 states have call predecessors, (34), 7 states have call successors, (34) Word has length 143 [2024-11-23 18:39:05,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:39:05,400 INFO L225 Difference]: With dead ends: 1869 [2024-11-23 18:39:05,400 INFO L226 Difference]: Without dead ends: 1096 [2024-11-23 18:39:05,402 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 353 GetRequests, 320 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 16.3s TimeCoverageRelationStatistics Valid=307, Invalid=882, Unknown=1, NotChecked=0, Total=1190 [2024-11-23 18:39:05,403 INFO L435 NwaCegarLoop]: 192 mSDtfsCounter, 1451 mSDsluCounter, 1336 mSDsCounter, 0 mSdLazyCounter, 375 mSolverCounterSat, 179 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1451 SdHoareTripleChecker+Valid, 1528 SdHoareTripleChecker+Invalid, 554 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 179 IncrementalHoareTripleChecker+Valid, 375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-11-23 18:39:05,403 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1451 Valid, 1528 Invalid, 554 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [179 Valid, 375 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2024-11-23 18:39:05,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1096 states. [2024-11-23 18:39:05,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1096 to 780. [2024-11-23 18:39:05,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 780 states, 707 states have (on average 1.413012729844413) internal successors, (999), 717 states have internal predecessors, (999), 64 states have call successors, (64), 8 states have call predecessors, (64), 8 states have return successors, (64), 54 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-23 18:39:05,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 780 states and 1127 transitions. [2024-11-23 18:39:05,514 INFO L78 Accepts]: Start accepts. Automaton has 780 states and 1127 transitions. Word has length 143 [2024-11-23 18:39:05,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:39:05,515 INFO L471 AbstractCegarLoop]: Abstraction has 780 states and 1127 transitions. [2024-11-23 18:39:05,515 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 7.470588235294118) internal successors, (127), 16 states have internal predecessors, (127), 7 states have call successors, (34), 7 states have call predecessors, (34), 7 states have return successors, (34), 7 states have call predecessors, (34), 7 states have call successors, (34) [2024-11-23 18:39:05,515 INFO L276 IsEmpty]: Start isEmpty. Operand 780 states and 1127 transitions. [2024-11-23 18:39:05,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-23 18:39:05,518 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:39:05,518 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:39:05,530 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Ended with exit code 0 [2024-11-23 18:39:05,727 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-23 18:39:05,919 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt [2024-11-23 18:39:05,919 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:39:05,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:39:05,919 INFO L85 PathProgramCache]: Analyzing trace with hash -82612847, now seen corresponding path program 1 times [2024-11-23 18:39:05,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:39:05,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [15480569] [2024-11-23 18:39:05,920 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:39:05,920 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:39:05,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:39:05,923 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:39:05,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2024-11-23 18:40:08,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:40:10,150 INFO L256 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-23 18:40:10,153 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:40:21,420 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:40:21,420 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 172 treesize of output 112 [2024-11-23 18:40:24,261 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2024-11-23 18:40:24,261 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 18:40:39,865 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-23 18:40:39,866 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:40:39,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [15480569] [2024-11-23 18:40:39,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [15480569] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-23 18:40:39,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 18:40:39,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 13 [2024-11-23 18:40:39,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007634429] [2024-11-23 18:40:39,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:40:39,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:40:39,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:40:39,867 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:40:39,867 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-23 18:40:39,868 INFO L87 Difference]: Start difference. First operand 780 states and 1127 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:40:41,517 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 18:40:50,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 18:40:52,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 18:41:09,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:41:09,008 INFO L93 Difference]: Finished difference Result 1738 states and 2511 transitions. [2024-11-23 18:41:09,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 18:41:09,015 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 143 [2024-11-23 18:41:09,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:41:09,019 INFO L225 Difference]: With dead ends: 1738 [2024-11-23 18:41:09,019 INFO L226 Difference]: Without dead ends: 961 [2024-11-23 18:41:09,021 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 273 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 18.5s TimeCoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2024-11-23 18:41:09,021 INFO L435 NwaCegarLoop]: 242 mSDtfsCounter, 150 mSDsluCounter, 360 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 602 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.2s IncrementalHoareTripleChecker+Time [2024-11-23 18:41:09,022 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 602 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 25.2s Time] [2024-11-23 18:41:09,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 961 states. [2024-11-23 18:41:09,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 961 to 831. [2024-11-23 18:41:09,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 831 states, 758 states have (on average 1.4195250659630607) internal successors, (1076), 768 states have internal predecessors, (1076), 64 states have call successors, (64), 8 states have call predecessors, (64), 8 states have return successors, (64), 54 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-23 18:41:09,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 831 states and 1204 transitions. [2024-11-23 18:41:09,116 INFO L78 Accepts]: Start accepts. Automaton has 831 states and 1204 transitions. Word has length 143 [2024-11-23 18:41:09,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:41:09,116 INFO L471 AbstractCegarLoop]: Abstraction has 831 states and 1204 transitions. [2024-11-23 18:41:09,117 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:41:09,117 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 1204 transitions. [2024-11-23 18:41:09,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-23 18:41:09,119 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:41:09,119 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:41:09,137 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Ended with exit code 0 [2024-11-23 18:41:09,320 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:41:09,320 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:41:09,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:41:09,321 INFO L85 PathProgramCache]: Analyzing trace with hash 1705851537, now seen corresponding path program 1 times [2024-11-23 18:41:09,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:41:09,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1647251126] [2024-11-23 18:41:09,321 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:41:09,321 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:41:09,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:41:09,323 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:41:09,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2024-11-23 18:42:16,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:42:16,726 INFO L256 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-23 18:42:16,729 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:42:26,376 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:42:26,376 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 173 treesize of output 113 [2024-11-23 18:42:28,451 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2024-11-23 18:42:28,451 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 18:42:43,521 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-23 18:42:43,521 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:42:43,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1647251126] [2024-11-23 18:42:43,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1647251126] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-23 18:42:43,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 18:42:43,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 13 [2024-11-23 18:42:43,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853103914] [2024-11-23 18:42:43,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:42:43,522 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:42:43,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:42:43,523 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:42:43,523 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-23 18:42:43,523 INFO L87 Difference]: Start difference. First operand 831 states and 1204 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:43:03,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 18:43:18,208 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 18:43:22,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:43:22,723 INFO L93 Difference]: Finished difference Result 1663 states and 2408 transitions. [2024-11-23 18:43:22,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 18:43:22,732 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 143 [2024-11-23 18:43:22,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:43:22,736 INFO L225 Difference]: With dead ends: 1663 [2024-11-23 18:43:22,736 INFO L226 Difference]: Without dead ends: 835 [2024-11-23 18:43:22,737 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 273 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 20.4s TimeCoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2024-11-23 18:43:22,738 INFO L435 NwaCegarLoop]: 227 mSDtfsCounter, 73 mSDsluCounter, 495 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 722 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.1s IncrementalHoareTripleChecker+Time [2024-11-23 18:43:22,738 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 722 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 34.1s Time] [2024-11-23 18:43:22,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 835 states. [2024-11-23 18:43:22,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 835 to 831. [2024-11-23 18:43:22,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 831 states, 758 states have (on average 1.4142480211081794) internal successors, (1072), 768 states have internal predecessors, (1072), 64 states have call successors, (64), 8 states have call predecessors, (64), 8 states have return successors, (64), 54 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-23 18:43:22,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 831 states and 1200 transitions. [2024-11-23 18:43:22,849 INFO L78 Accepts]: Start accepts. Automaton has 831 states and 1200 transitions. Word has length 143 [2024-11-23 18:43:22,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:43:22,850 INFO L471 AbstractCegarLoop]: Abstraction has 831 states and 1200 transitions. [2024-11-23 18:43:22,850 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:43:22,850 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 1200 transitions. [2024-11-23 18:43:22,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-23 18:43:22,852 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:43:22,852 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:43:22,869 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2024-11-23 18:43:23,052 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:43:23,053 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:43:23,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:43:23,053 INFO L85 PathProgramCache]: Analyzing trace with hash -1888051181, now seen corresponding path program 1 times [2024-11-23 18:43:23,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:43:23,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1819189790] [2024-11-23 18:43:23,054 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:43:23,054 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:43:23,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:43:23,059 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:43:23,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2024-11-23 18:43:23,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:43:23,505 INFO L256 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-23 18:43:23,509 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:43:26,099 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-23 18:43:26,348 INFO L349 Elim1Store]: treesize reduction 23, result has 32.4 percent of original size [2024-11-23 18:43:26,349 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 32 [2024-11-23 18:43:26,493 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:43:26,493 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 30 [2024-11-23 18:43:26,618 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-23 18:43:26,618 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:43:26,618 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:43:26,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1819189790] [2024-11-23 18:43:26,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1819189790] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:43:26,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:43:26,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-23 18:43:26,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810267891] [2024-11-23 18:43:26,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:43:26,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 18:43:26,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:43:26,619 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 18:43:26,619 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-23 18:43:26,619 INFO L87 Difference]: Start difference. First operand 831 states and 1200 transitions. Second operand has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 8 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:43:29,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:43:29,129 INFO L93 Difference]: Finished difference Result 1976 states and 2825 transitions. [2024-11-23 18:43:29,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-23 18:43:29,130 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 8 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 143 [2024-11-23 18:43:29,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:43:29,134 INFO L225 Difference]: With dead ends: 1976 [2024-11-23 18:43:29,134 INFO L226 Difference]: Without dead ends: 1148 [2024-11-23 18:43:29,136 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=73, Invalid=233, Unknown=0, NotChecked=0, Total=306 [2024-11-23 18:43:29,136 INFO L435 NwaCegarLoop]: 271 mSDtfsCounter, 394 mSDsluCounter, 1391 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 18 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 394 SdHoareTripleChecker+Valid, 1662 SdHoareTripleChecker+Invalid, 301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-23 18:43:29,136 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [394 Valid, 1662 Invalid, 301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 282 Invalid, 1 Unknown, 0 Unchecked, 1.8s Time] [2024-11-23 18:43:29,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1148 states. [2024-11-23 18:43:29,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1148 to 660. [2024-11-23 18:43:29,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 660 states, 595 states have (on average 1.4050420168067226) internal successors, (836), 601 states have internal predecessors, (836), 56 states have call successors, (56), 8 states have call predecessors, (56), 8 states have return successors, (56), 50 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-23 18:43:29,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 660 states and 948 transitions. [2024-11-23 18:43:29,251 INFO L78 Accepts]: Start accepts. Automaton has 660 states and 948 transitions. Word has length 143 [2024-11-23 18:43:29,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:43:29,252 INFO L471 AbstractCegarLoop]: Abstraction has 660 states and 948 transitions. [2024-11-23 18:43:29,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 8 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:43:29,252 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 948 transitions. [2024-11-23 18:43:29,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-23 18:43:29,254 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:43:29,254 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:43:29,265 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Ended with exit code 0 [2024-11-23 18:43:29,455 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:43:29,455 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:43:29,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:43:29,455 INFO L85 PathProgramCache]: Analyzing trace with hash -130336772, now seen corresponding path program 1 times [2024-11-23 18:43:29,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:43:29,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [643739979] [2024-11-23 18:43:29,456 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:43:29,456 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:43:29,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:43:29,458 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:43:29,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2024-11-23 18:43:29,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:43:29,857 INFO L256 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-23 18:43:29,861 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:43:31,926 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 15 [2024-11-23 18:43:32,244 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:43:32,244 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 10 [2024-11-23 18:43:32,364 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-23 18:43:32,364 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:43:32,364 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:43:32,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [643739979] [2024-11-23 18:43:32,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [643739979] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:43:32,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:43:32,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-23 18:43:32,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112854621] [2024-11-23 18:43:32,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:43:32,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-23 18:43:32,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:43:32,365 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-23 18:43:32,366 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-23 18:43:32,366 INFO L87 Difference]: Start difference. First operand 660 states and 948 transitions. Second operand has 10 states, 10 states have (on average 6.2) internal successors, (62), 9 states have internal predecessors, (62), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:43:34,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:43:34,380 INFO L93 Difference]: Finished difference Result 1541 states and 2195 transitions. [2024-11-23 18:43:34,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 18:43:34,385 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.2) internal successors, (62), 9 states have internal predecessors, (62), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 144 [2024-11-23 18:43:34,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:43:34,391 INFO L225 Difference]: With dead ends: 1541 [2024-11-23 18:43:34,391 INFO L226 Difference]: Without dead ends: 909 [2024-11-23 18:43:34,392 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2024-11-23 18:43:34,393 INFO L435 NwaCegarLoop]: 200 mSDtfsCounter, 216 mSDsluCounter, 1114 mSDsCounter, 0 mSdLazyCounter, 501 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 1314 SdHoareTripleChecker+Invalid, 501 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 501 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-23 18:43:34,394 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 1314 Invalid, 501 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 501 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-23 18:43:34,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 909 states. [2024-11-23 18:43:34,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 909 to 905. [2024-11-23 18:43:34,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 818 states have (on average 1.3875305623471883) internal successors, (1135), 827 states have internal predecessors, (1135), 74 states have call successors, (74), 12 states have call predecessors, (74), 12 states have return successors, (74), 65 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-23 18:43:34,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1283 transitions. [2024-11-23 18:43:34,574 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1283 transitions. Word has length 144 [2024-11-23 18:43:34,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:43:34,575 INFO L471 AbstractCegarLoop]: Abstraction has 905 states and 1283 transitions. [2024-11-23 18:43:34,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.2) internal successors, (62), 9 states have internal predecessors, (62), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:43:34,575 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1283 transitions. [2024-11-23 18:43:34,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-23 18:43:34,578 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:43:34,578 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:43:34,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Ended with exit code 0 [2024-11-23 18:43:34,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:43:34,779 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:43:34,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:43:34,780 INFO L85 PathProgramCache]: Analyzing trace with hash 549721598, now seen corresponding path program 1 times [2024-11-23 18:43:34,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:43:34,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1492185675] [2024-11-23 18:43:34,781 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:43:34,781 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:43:34,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:43:34,783 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:43:34,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2024-11-23 18:43:35,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:43:35,262 INFO L256 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-23 18:43:35,266 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:43:39,070 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 25 [2024-11-23 18:43:39,697 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:43:39,697 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 13 [2024-11-23 18:43:39,743 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-23 18:43:39,743 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:43:39,744 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:43:39,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1492185675] [2024-11-23 18:43:39,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1492185675] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:43:39,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:43:39,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-23 18:43:39,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576279918] [2024-11-23 18:43:39,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:43:39,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 18:43:39,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:43:39,745 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 18:43:39,745 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-23 18:43:39,746 INFO L87 Difference]: Start difference. First operand 905 states and 1283 transitions. Second operand has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 8 states have internal predecessors, (62), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:43:42,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:43:42,403 INFO L93 Difference]: Finished difference Result 1766 states and 2490 transitions. [2024-11-23 18:43:42,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 18:43:42,405 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 8 states have internal predecessors, (62), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 144 [2024-11-23 18:43:42,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:43:42,409 INFO L225 Difference]: With dead ends: 1766 [2024-11-23 18:43:42,409 INFO L226 Difference]: Without dead ends: 889 [2024-11-23 18:43:42,411 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-23 18:43:42,411 INFO L435 NwaCegarLoop]: 206 mSDtfsCounter, 214 mSDsluCounter, 771 mSDsCounter, 0 mSdLazyCounter, 582 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 977 SdHoareTripleChecker+Invalid, 583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 582 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-23 18:43:42,412 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 977 Invalid, 583 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 582 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-23 18:43:42,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 889 states. [2024-11-23 18:43:42,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 889 to 885. [2024-11-23 18:43:42,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 885 states, 798 states have (on average 1.3609022556390977) internal successors, (1086), 807 states have internal predecessors, (1086), 74 states have call successors, (74), 12 states have call predecessors, (74), 12 states have return successors, (74), 65 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-23 18:43:42,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 885 states and 1234 transitions. [2024-11-23 18:43:42,578 INFO L78 Accepts]: Start accepts. Automaton has 885 states and 1234 transitions. Word has length 144 [2024-11-23 18:43:42,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:43:42,579 INFO L471 AbstractCegarLoop]: Abstraction has 885 states and 1234 transitions. [2024-11-23 18:43:42,579 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 8 states have internal predecessors, (62), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:43:42,579 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1234 transitions. [2024-11-23 18:43:42,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-23 18:43:42,582 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:43:42,582 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:43:42,591 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Ended with exit code 0 [2024-11-23 18:43:42,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:43:42,783 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:43:42,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:43:42,784 INFO L85 PathProgramCache]: Analyzing trace with hash 88517946, now seen corresponding path program 1 times [2024-11-23 18:43:42,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:43:42,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1901900351] [2024-11-23 18:43:42,784 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:43:42,785 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:43:42,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:43:42,787 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:43:42,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2024-11-23 18:43:43,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:43:43,266 INFO L256 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-23 18:43:43,271 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:43:46,997 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 19 [2024-11-23 18:43:47,300 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:43:47,300 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 11 [2024-11-23 18:43:47,333 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-23 18:43:47,334 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:43:47,334 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:43:47,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1901900351] [2024-11-23 18:43:47,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1901900351] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:43:47,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:43:47,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 18:43:47,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261373623] [2024-11-23 18:43:47,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:43:47,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 18:43:47,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:43:47,335 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 18:43:47,335 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-23 18:43:47,335 INFO L87 Difference]: Start difference. First operand 885 states and 1234 transitions. Second operand has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:43:48,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:43:48,635 INFO L93 Difference]: Finished difference Result 1746 states and 2430 transitions. [2024-11-23 18:43:48,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 18:43:48,637 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 144 [2024-11-23 18:43:48,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:43:48,640 INFO L225 Difference]: With dead ends: 1746 [2024-11-23 18:43:48,641 INFO L226 Difference]: Without dead ends: 889 [2024-11-23 18:43:48,644 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-23 18:43:48,644 INFO L435 NwaCegarLoop]: 182 mSDtfsCounter, 340 mSDsluCounter, 380 mSDsCounter, 0 mSdLazyCounter, 290 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 340 SdHoareTripleChecker+Valid, 562 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-23 18:43:48,645 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [340 Valid, 562 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 290 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-23 18:43:48,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 889 states. [2024-11-23 18:43:48,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 889 to 885. [2024-11-23 18:43:48,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 885 states, 798 states have (on average 1.3583959899749374) internal successors, (1084), 807 states have internal predecessors, (1084), 74 states have call successors, (74), 12 states have call predecessors, (74), 12 states have return successors, (74), 65 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-23 18:43:48,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 885 states and 1232 transitions. [2024-11-23 18:43:48,837 INFO L78 Accepts]: Start accepts. Automaton has 885 states and 1232 transitions. Word has length 144 [2024-11-23 18:43:48,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:43:48,838 INFO L471 AbstractCegarLoop]: Abstraction has 885 states and 1232 transitions. [2024-11-23 18:43:48,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:43:48,838 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1232 transitions. [2024-11-23 18:43:48,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-23 18:43:48,840 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:43:48,840 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:43:48,853 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2024-11-23 18:43:49,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:43:49,041 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:43:49,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:43:49,041 INFO L85 PathProgramCache]: Analyzing trace with hash 768576316, now seen corresponding path program 1 times [2024-11-23 18:43:49,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:43:49,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1507128323] [2024-11-23 18:43:49,042 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:43:49,042 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:43:49,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:43:49,043 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:43:49,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2024-11-23 18:43:49,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:43:49,448 INFO L256 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-23 18:43:49,451 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:43:51,681 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 15 [2024-11-23 18:43:52,037 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:43:52,037 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 10 [2024-11-23 18:43:52,168 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-23 18:43:52,168 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:43:52,168 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:43:52,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1507128323] [2024-11-23 18:43:52,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1507128323] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:43:52,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:43:52,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-23 18:43:52,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883818316] [2024-11-23 18:43:52,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:43:52,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-23 18:43:52,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:43:52,169 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-23 18:43:52,169 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-23 18:43:52,170 INFO L87 Difference]: Start difference. First operand 885 states and 1232 transitions. Second operand has 10 states, 10 states have (on average 6.2) internal successors, (62), 9 states have internal predecessors, (62), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:43:54,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:43:54,627 INFO L93 Difference]: Finished difference Result 1784 states and 2476 transitions. [2024-11-23 18:43:54,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 18:43:54,628 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.2) internal successors, (62), 9 states have internal predecessors, (62), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 144 [2024-11-23 18:43:54,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:43:54,632 INFO L225 Difference]: With dead ends: 1784 [2024-11-23 18:43:54,633 INFO L226 Difference]: Without dead ends: 927 [2024-11-23 18:43:54,634 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2024-11-23 18:43:54,635 INFO L435 NwaCegarLoop]: 248 mSDtfsCounter, 219 mSDsluCounter, 1347 mSDsCounter, 0 mSdLazyCounter, 610 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 1595 SdHoareTripleChecker+Invalid, 610 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 610 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-23 18:43:54,635 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 1595 Invalid, 610 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 610 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-23 18:43:54,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 927 states. [2024-11-23 18:43:54,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 927 to 791. [2024-11-23 18:43:54,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 791 states, 712 states have (on average 1.3525280898876404) internal successors, (963), 718 states have internal predecessors, (963), 68 states have call successors, (68), 10 states have call predecessors, (68), 10 states have return successors, (68), 62 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-23 18:43:54,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 1099 transitions. [2024-11-23 18:43:54,793 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 1099 transitions. Word has length 144 [2024-11-23 18:43:54,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:43:54,794 INFO L471 AbstractCegarLoop]: Abstraction has 791 states and 1099 transitions. [2024-11-23 18:43:54,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.2) internal successors, (62), 9 states have internal predecessors, (62), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:43:54,794 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 1099 transitions. [2024-11-23 18:43:54,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-23 18:43:54,796 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:43:54,796 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:43:54,806 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Ended with exit code 0 [2024-11-23 18:43:54,997 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:43:54,997 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:43:54,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:43:54,998 INFO L85 PathProgramCache]: Analyzing trace with hash 1920248851, now seen corresponding path program 1 times [2024-11-23 18:43:54,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:43:54,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [840328230] [2024-11-23 18:43:54,998 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:43:54,999 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:43:54,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:43:55,001 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:43:55,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2024-11-23 18:43:55,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:43:55,549 INFO L256 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-23 18:43:55,553 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:43:59,255 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 15 [2024-11-23 18:43:59,534 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 18 [2024-11-23 18:43:59,740 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:43:59,740 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 10 [2024-11-23 18:43:59,857 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-23 18:43:59,857 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:43:59,857 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:43:59,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [840328230] [2024-11-23 18:43:59,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [840328230] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:43:59,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:43:59,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-23 18:43:59,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468721437] [2024-11-23 18:43:59,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:43:59,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-23 18:43:59,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:43:59,859 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-23 18:43:59,859 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-23 18:43:59,859 INFO L87 Difference]: Start difference. First operand 791 states and 1099 transitions. Second operand has 10 states, 10 states have (on average 6.2) internal successors, (62), 9 states have internal predecessors, (62), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:44:02,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:44:02,911 INFO L93 Difference]: Finished difference Result 1922 states and 2664 transitions. [2024-11-23 18:44:02,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 18:44:02,912 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.2) internal successors, (62), 9 states have internal predecessors, (62), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 144 [2024-11-23 18:44:02,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:44:02,916 INFO L225 Difference]: With dead ends: 1922 [2024-11-23 18:44:02,916 INFO L226 Difference]: Without dead ends: 1191 [2024-11-23 18:44:02,917 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2024-11-23 18:44:02,917 INFO L435 NwaCegarLoop]: 251 mSDtfsCounter, 247 mSDsluCounter, 1231 mSDsCounter, 0 mSdLazyCounter, 766 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 1482 SdHoareTripleChecker+Invalid, 769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 766 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-23 18:44:02,917 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 1482 Invalid, 769 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 766 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-23 18:44:02,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1191 states. [2024-11-23 18:44:03,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1191 to 1050. [2024-11-23 18:44:03,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1050 states, 965 states have (on average 1.3616580310880828) internal successors, (1314), 973 states have internal predecessors, (1314), 72 states have call successors, (72), 12 states have call predecessors, (72), 12 states have return successors, (72), 64 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-23 18:44:03,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1050 states to 1050 states and 1458 transitions. [2024-11-23 18:44:03,090 INFO L78 Accepts]: Start accepts. Automaton has 1050 states and 1458 transitions. Word has length 144 [2024-11-23 18:44:03,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:44:03,091 INFO L471 AbstractCegarLoop]: Abstraction has 1050 states and 1458 transitions. [2024-11-23 18:44:03,091 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.2) internal successors, (62), 9 states have internal predecessors, (62), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:44:03,092 INFO L276 IsEmpty]: Start isEmpty. Operand 1050 states and 1458 transitions. [2024-11-23 18:44:03,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-23 18:44:03,094 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:44:03,094 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:44:03,103 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2024-11-23 18:44:03,295 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:44:03,295 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:44:03,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:44:03,295 INFO L85 PathProgramCache]: Analyzing trace with hash -2116553007, now seen corresponding path program 1 times [2024-11-23 18:44:03,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:44:03,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1581863171] [2024-11-23 18:44:03,296 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:44:03,296 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:44:03,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:44:03,298 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:44:03,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2024-11-23 18:44:03,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:44:03,758 INFO L256 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-23 18:44:03,761 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:44:07,727 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 18 [2024-11-23 18:44:07,877 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:44:07,878 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 10 [2024-11-23 18:44:07,913 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-23 18:44:07,913 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:44:07,913 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:44:07,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1581863171] [2024-11-23 18:44:07,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1581863171] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:44:07,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:44:07,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 18:44:07,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009504892] [2024-11-23 18:44:07,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:44:07,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 18:44:07,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:44:07,914 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 18:44:07,914 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-23 18:44:07,915 INFO L87 Difference]: Start difference. First operand 1050 states and 1458 transitions. Second operand has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:44:09,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:44:09,532 INFO L93 Difference]: Finished difference Result 2109 states and 2924 transitions. [2024-11-23 18:44:09,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 18:44:09,534 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 144 [2024-11-23 18:44:09,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:44:09,538 INFO L225 Difference]: With dead ends: 2109 [2024-11-23 18:44:09,539 INFO L226 Difference]: Without dead ends: 1119 [2024-11-23 18:44:09,540 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-23 18:44:09,541 INFO L435 NwaCegarLoop]: 196 mSDtfsCounter, 214 mSDsluCounter, 497 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 693 SdHoareTripleChecker+Invalid, 360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-23 18:44:09,541 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 693 Invalid, 360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-23 18:44:09,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1119 states. [2024-11-23 18:44:09,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1119 to 1028. [2024-11-23 18:44:09,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1028 states, 943 states have (on average 1.3488865323435844) internal successors, (1272), 951 states have internal predecessors, (1272), 72 states have call successors, (72), 12 states have call predecessors, (72), 12 states have return successors, (72), 64 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-23 18:44:09,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1028 states to 1028 states and 1416 transitions. [2024-11-23 18:44:09,725 INFO L78 Accepts]: Start accepts. Automaton has 1028 states and 1416 transitions. Word has length 144 [2024-11-23 18:44:09,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:44:09,726 INFO L471 AbstractCegarLoop]: Abstraction has 1028 states and 1416 transitions. [2024-11-23 18:44:09,726 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:44:09,726 INFO L276 IsEmpty]: Start isEmpty. Operand 1028 states and 1416 transitions. [2024-11-23 18:44:09,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-23 18:44:09,728 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:44:09,729 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:44:09,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Ended with exit code 0 [2024-11-23 18:44:09,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:44:09,933 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:44:09,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:44:09,934 INFO L85 PathProgramCache]: Analyzing trace with hash 1786235345, now seen corresponding path program 1 times [2024-11-23 18:44:09,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:44:09,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1038816610] [2024-11-23 18:44:09,935 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:44:09,935 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:44:09,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:44:09,937 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:44:09,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2024-11-23 18:44:10,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:44:10,468 INFO L256 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-23 18:44:10,470 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:44:14,361 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 19 [2024-11-23 18:44:14,475 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:44:14,475 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 11 [2024-11-23 18:44:14,508 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-23 18:44:14,508 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:44:14,508 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:44:14,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1038816610] [2024-11-23 18:44:14,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1038816610] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:44:14,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:44:14,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 18:44:14,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883797235] [2024-11-23 18:44:14,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:44:14,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 18:44:14,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:44:14,510 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 18:44:14,510 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-23 18:44:14,510 INFO L87 Difference]: Start difference. First operand 1028 states and 1416 transitions. Second operand has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:44:16,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:44:16,112 INFO L93 Difference]: Finished difference Result 1931 states and 2658 transitions. [2024-11-23 18:44:16,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 18:44:16,114 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 144 [2024-11-23 18:44:16,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:44:16,118 INFO L225 Difference]: With dead ends: 1931 [2024-11-23 18:44:16,118 INFO L226 Difference]: Without dead ends: 963 [2024-11-23 18:44:16,120 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-23 18:44:16,121 INFO L435 NwaCegarLoop]: 159 mSDtfsCounter, 194 mSDsluCounter, 423 mSDsCounter, 0 mSdLazyCounter, 361 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 582 SdHoareTripleChecker+Invalid, 363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-23 18:44:16,121 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 582 Invalid, 363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 361 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-23 18:44:16,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2024-11-23 18:44:16,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 961. [2024-11-23 18:44:16,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 961 states, 876 states have (on average 1.3424657534246576) internal successors, (1176), 884 states have internal predecessors, (1176), 72 states have call successors, (72), 12 states have call predecessors, (72), 12 states have return successors, (72), 64 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-23 18:44:16,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 961 states to 961 states and 1320 transitions. [2024-11-23 18:44:16,272 INFO L78 Accepts]: Start accepts. Automaton has 961 states and 1320 transitions. Word has length 144 [2024-11-23 18:44:16,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:44:16,273 INFO L471 AbstractCegarLoop]: Abstraction has 961 states and 1320 transitions. [2024-11-23 18:44:16,273 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:44:16,273 INFO L276 IsEmpty]: Start isEmpty. Operand 961 states and 1320 transitions. [2024-11-23 18:44:16,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-23 18:44:16,276 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:44:16,276 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:44:16,285 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Forceful destruction successful, exit code 0 [2024-11-23 18:44:16,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:44:16,477 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:44:16,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:44:16,477 INFO L85 PathProgramCache]: Analyzing trace with hash 185206471, now seen corresponding path program 1 times [2024-11-23 18:44:16,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:44:16,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [722473270] [2024-11-23 18:44:16,477 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:44:16,477 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:44:16,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:44:16,479 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:44:16,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2024-11-23 18:44:16,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:44:16,965 INFO L256 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-23 18:44:16,969 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:44:22,377 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-23 18:44:22,559 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 22 [2024-11-23 18:44:23,077 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:44:23,077 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 35 [2024-11-23 18:44:23,260 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 21 proven. 288 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-23 18:44:23,260 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 18:44:23,809 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-23 18:44:23,809 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:44:23,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [722473270] [2024-11-23 18:44:23,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [722473270] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-23 18:44:23,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 18:44:23,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [13] total 18 [2024-11-23 18:44:23,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273285503] [2024-11-23 18:44:23,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:44:23,810 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 18:44:23,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:44:23,811 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 18:44:23,811 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2024-11-23 18:44:23,811 INFO L87 Difference]: Start difference. First operand 961 states and 1320 transitions. Second operand has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:44:25,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:44:25,182 INFO L93 Difference]: Finished difference Result 1435 states and 1941 transitions. [2024-11-23 18:44:25,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 18:44:25,183 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 146 [2024-11-23 18:44:25,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:44:25,186 INFO L225 Difference]: With dead ends: 1435 [2024-11-23 18:44:25,187 INFO L226 Difference]: Without dead ends: 1433 [2024-11-23 18:44:25,187 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=61, Invalid=401, Unknown=0, NotChecked=0, Total=462 [2024-11-23 18:44:25,187 INFO L435 NwaCegarLoop]: 204 mSDtfsCounter, 83 mSDsluCounter, 965 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 1169 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-23 18:44:25,188 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 1169 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-23 18:44:25,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1433 states. [2024-11-23 18:44:25,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1433 to 1253. [2024-11-23 18:44:25,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1253 states, 1168 states have (on average 1.3253424657534247) internal successors, (1548), 1176 states have internal predecessors, (1548), 72 states have call successors, (72), 12 states have call predecessors, (72), 12 states have return successors, (72), 64 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-23 18:44:25,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1253 states to 1253 states and 1692 transitions. [2024-11-23 18:44:25,371 INFO L78 Accepts]: Start accepts. Automaton has 1253 states and 1692 transitions. Word has length 146 [2024-11-23 18:44:25,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:44:25,372 INFO L471 AbstractCegarLoop]: Abstraction has 1253 states and 1692 transitions. [2024-11-23 18:44:25,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:44:25,372 INFO L276 IsEmpty]: Start isEmpty. Operand 1253 states and 1692 transitions. [2024-11-23 18:44:25,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-23 18:44:25,374 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:44:25,374 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:44:25,385 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Ended with exit code 0 [2024-11-23 18:44:25,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:44:25,575 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:44:25,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:44:25,576 INFO L85 PathProgramCache]: Analyzing trace with hash 206890193, now seen corresponding path program 1 times [2024-11-23 18:44:25,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:44:25,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1960855476] [2024-11-23 18:44:25,576 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:44:25,577 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:44:25,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:44:25,578 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:44:25,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2024-11-23 18:44:26,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:44:26,045 INFO L256 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-23 18:44:26,048 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:44:33,848 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 27 [2024-11-23 18:44:34,808 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:44:34,808 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 15 [2024-11-23 18:44:35,008 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-23 18:44:35,008 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:44:35,008 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:44:35,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1960855476] [2024-11-23 18:44:35,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1960855476] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:44:35,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:44:35,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 18:44:35,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349136748] [2024-11-23 18:44:35,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:44:35,009 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 18:44:35,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:44:35,010 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 18:44:35,010 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-23 18:44:35,010 INFO L87 Difference]: Start difference. First operand 1253 states and 1692 transitions. Second operand has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:44:41,425 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 18:44:45,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 18:44:50,180 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 18:44:53,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:44:53,434 INFO L93 Difference]: Finished difference Result 2762 states and 3733 transitions. [2024-11-23 18:44:53,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 18:44:53,441 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 146 [2024-11-23 18:44:53,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:44:53,448 INFO L225 Difference]: With dead ends: 2762 [2024-11-23 18:44:53,448 INFO L226 Difference]: Without dead ends: 1569 [2024-11-23 18:44:53,450 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-23 18:44:53,451 INFO L435 NwaCegarLoop]: 243 mSDtfsCounter, 231 mSDsluCounter, 567 mSDsCounter, 0 mSdLazyCounter, 483 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 231 SdHoareTripleChecker+Valid, 810 SdHoareTripleChecker+Invalid, 486 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 483 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.8s IncrementalHoareTripleChecker+Time [2024-11-23 18:44:53,452 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [231 Valid, 810 Invalid, 486 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 483 Invalid, 3 Unknown, 0 Unchecked, 17.8s Time] [2024-11-23 18:44:53,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1569 states. [2024-11-23 18:44:53,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1569 to 1285. [2024-11-23 18:44:53,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1285 states, 1200 states have (on average 1.315) internal successors, (1578), 1208 states have internal predecessors, (1578), 72 states have call successors, (72), 12 states have call predecessors, (72), 12 states have return successors, (72), 64 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-23 18:44:53,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1285 states to 1285 states and 1722 transitions. [2024-11-23 18:44:53,610 INFO L78 Accepts]: Start accepts. Automaton has 1285 states and 1722 transitions. Word has length 146 [2024-11-23 18:44:53,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:44:53,611 INFO L471 AbstractCegarLoop]: Abstraction has 1285 states and 1722 transitions. [2024-11-23 18:44:53,611 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:44:53,611 INFO L276 IsEmpty]: Start isEmpty. Operand 1285 states and 1722 transitions. [2024-11-23 18:44:53,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-23 18:44:53,614 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:44:53,614 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:44:53,626 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Ended with exit code 0 [2024-11-23 18:44:53,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:44:53,815 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:44:53,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:44:53,815 INFO L85 PathProgramCache]: Analyzing trace with hash -1394718021, now seen corresponding path program 1 times [2024-11-23 18:44:53,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:44:53,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [281741098] [2024-11-23 18:44:53,816 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:44:53,816 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:44:53,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:44:53,818 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:44:53,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2024-11-23 18:44:54,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:44:54,311 INFO L256 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-23 18:44:54,314 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:45:01,943 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 28 [2024-11-23 18:45:02,992 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:45:02,992 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 16 [2024-11-23 18:45:03,181 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-23 18:45:03,181 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:45:03,181 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:45:03,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [281741098] [2024-11-23 18:45:03,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [281741098] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:45:03,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:45:03,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 18:45:03,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490006805] [2024-11-23 18:45:03,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:45:03,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 18:45:03,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:45:03,182 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 18:45:03,182 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-23 18:45:03,183 INFO L87 Difference]: Start difference. First operand 1285 states and 1722 transitions. Second operand has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 6 states have internal predecessors, (65), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:45:09,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 18:45:13,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 18:45:18,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 18:45:21,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:45:21,855 INFO L93 Difference]: Finished difference Result 2616 states and 3500 transitions. [2024-11-23 18:45:21,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 18:45:21,858 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 6 states have internal predecessors, (65), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 147 [2024-11-23 18:45:21,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:45:21,864 INFO L225 Difference]: With dead ends: 2616 [2024-11-23 18:45:21,864 INFO L226 Difference]: Without dead ends: 1391 [2024-11-23 18:45:21,866 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-23 18:45:21,868 INFO L435 NwaCegarLoop]: 170 mSDtfsCounter, 233 mSDsluCounter, 449 mSDsCounter, 0 mSdLazyCounter, 421 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 619 SdHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 421 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.1s IncrementalHoareTripleChecker+Time [2024-11-23 18:45:21,868 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 619 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 421 Invalid, 3 Unknown, 0 Unchecked, 18.1s Time] [2024-11-23 18:45:21,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1391 states. [2024-11-23 18:45:22,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1391 to 1081. [2024-11-23 18:45:22,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1081 states, 1016 states have (on average 1.3001968503937007) internal successors, (1321), 1021 states have internal predecessors, (1321), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-23 18:45:22,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1081 states to 1081 states and 1429 transitions. [2024-11-23 18:45:22,025 INFO L78 Accepts]: Start accepts. Automaton has 1081 states and 1429 transitions. Word has length 147 [2024-11-23 18:45:22,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:45:22,025 INFO L471 AbstractCegarLoop]: Abstraction has 1081 states and 1429 transitions. [2024-11-23 18:45:22,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 6 states have internal predecessors, (65), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:45:22,026 INFO L276 IsEmpty]: Start isEmpty. Operand 1081 states and 1429 transitions. [2024-11-23 18:45:22,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-23 18:45:22,028 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:45:22,028 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:45:22,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Forceful destruction successful, exit code 0 [2024-11-23 18:45:22,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:45:22,229 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:45:22,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:45:22,229 INFO L85 PathProgramCache]: Analyzing trace with hash 1857219519, now seen corresponding path program 1 times [2024-11-23 18:45:22,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:45:22,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [522241631] [2024-11-23 18:45:22,230 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:45:22,230 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:45:22,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:45:22,231 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:45:22,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2024-11-23 18:45:22,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:45:22,679 INFO L256 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-23 18:45:22,681 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:45:22,900 INFO L349 Elim1Store]: treesize reduction 3, result has 75.0 percent of original size [2024-11-23 18:45:22,900 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 19 [2024-11-23 18:45:23,086 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-23 18:45:23,087 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:45:23,087 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:45:23,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [522241631] [2024-11-23 18:45:23,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [522241631] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:45:23,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:45:23,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-23 18:45:23,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567975216] [2024-11-23 18:45:23,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:45:23,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 18:45:23,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:45:23,088 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 18:45:23,088 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-23 18:45:23,088 INFO L87 Difference]: Start difference. First operand 1081 states and 1429 transitions. Second operand has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 9 states have internal predecessors, (65), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:45:25,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:45:25,334 INFO L93 Difference]: Finished difference Result 2268 states and 2994 transitions. [2024-11-23 18:45:25,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 18:45:25,335 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 9 states have internal predecessors, (65), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 147 [2024-11-23 18:45:25,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:45:25,340 INFO L225 Difference]: With dead ends: 2268 [2024-11-23 18:45:25,340 INFO L226 Difference]: Without dead ends: 1232 [2024-11-23 18:45:25,342 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-11-23 18:45:25,343 INFO L435 NwaCegarLoop]: 261 mSDtfsCounter, 112 mSDsluCounter, 1489 mSDsCounter, 0 mSdLazyCounter, 453 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 1750 SdHoareTripleChecker+Invalid, 455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 453 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-23 18:45:25,343 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 1750 Invalid, 455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 453 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-23 18:45:25,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1232 states. [2024-11-23 18:45:25,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1232 to 1078. [2024-11-23 18:45:25,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1078 states, 1013 states have (on average 1.2981243830207305) internal successors, (1315), 1018 states have internal predecessors, (1315), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-23 18:45:25,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1078 states to 1078 states and 1423 transitions. [2024-11-23 18:45:25,491 INFO L78 Accepts]: Start accepts. Automaton has 1078 states and 1423 transitions. Word has length 147 [2024-11-23 18:45:25,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:45:25,492 INFO L471 AbstractCegarLoop]: Abstraction has 1078 states and 1423 transitions. [2024-11-23 18:45:25,492 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 9 states have internal predecessors, (65), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:45:25,492 INFO L276 IsEmpty]: Start isEmpty. Operand 1078 states and 1423 transitions. [2024-11-23 18:45:25,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-23 18:45:25,494 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:45:25,494 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:45:25,503 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Forceful destruction successful, exit code 0 [2024-11-23 18:45:25,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:45:25,695 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:45:25,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:45:25,696 INFO L85 PathProgramCache]: Analyzing trace with hash -1490174219, now seen corresponding path program 1 times [2024-11-23 18:45:25,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:45:25,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [910109517] [2024-11-23 18:45:25,696 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:45:25,696 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:45:25,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:45:25,698 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:45:25,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2024-11-23 18:45:26,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:45:26,044 INFO L256 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-23 18:45:26,046 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:45:26,152 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-23 18:45:26,152 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:45:26,152 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:45:26,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [910109517] [2024-11-23 18:45:26,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [910109517] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:45:26,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:45:26,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-23 18:45:26,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358331760] [2024-11-23 18:45:26,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:45:26,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 18:45:26,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:45:26,154 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 18:45:26,154 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-23 18:45:26,154 INFO L87 Difference]: Start difference. First operand 1078 states and 1423 transitions. Second operand has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:45:26,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:45:26,356 INFO L93 Difference]: Finished difference Result 1095 states and 1442 transitions. [2024-11-23 18:45:26,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 18:45:26,357 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 148 [2024-11-23 18:45:26,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:45:26,360 INFO L225 Difference]: With dead ends: 1095 [2024-11-23 18:45:26,360 INFO L226 Difference]: Without dead ends: 1093 [2024-11-23 18:45:26,360 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-23 18:45:26,361 INFO L435 NwaCegarLoop]: 176 mSDtfsCounter, 0 mSDsluCounter, 856 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1032 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 18:45:26,361 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1032 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 18:45:26,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1093 states. [2024-11-23 18:45:26,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1093 to 1081. [2024-11-23 18:45:26,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1081 states, 1016 states have (on average 1.297244094488189) internal successors, (1318), 1021 states have internal predecessors, (1318), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-23 18:45:26,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1081 states to 1081 states and 1426 transitions. [2024-11-23 18:45:26,480 INFO L78 Accepts]: Start accepts. Automaton has 1081 states and 1426 transitions. Word has length 148 [2024-11-23 18:45:26,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:45:26,481 INFO L471 AbstractCegarLoop]: Abstraction has 1081 states and 1426 transitions. [2024-11-23 18:45:26,481 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:45:26,481 INFO L276 IsEmpty]: Start isEmpty. Operand 1081 states and 1426 transitions. [2024-11-23 18:45:26,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-23 18:45:26,483 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:45:26,483 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:45:26,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (29)] Ended with exit code 0 [2024-11-23 18:45:26,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:45:26,684 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:45:26,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:45:26,685 INFO L85 PathProgramCache]: Analyzing trace with hash 1707585031, now seen corresponding path program 1 times [2024-11-23 18:45:26,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:45:26,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [20982525] [2024-11-23 18:45:26,685 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:45:26,685 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:45:26,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:45:26,687 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:45:26,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (30)] Waiting until timeout for monitored process [2024-11-23 18:45:27,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:45:27,185 INFO L256 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-23 18:45:27,187 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:45:31,421 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 18 [2024-11-23 18:45:31,748 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:45:31,748 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 10 [2024-11-23 18:45:31,792 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-23 18:45:31,792 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:45:31,792 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:45:31,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [20982525] [2024-11-23 18:45:31,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [20982525] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:45:31,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:45:31,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-23 18:45:31,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327246472] [2024-11-23 18:45:31,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:45:31,793 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-23 18:45:31,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:45:31,794 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-23 18:45:31,794 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-23 18:45:31,794 INFO L87 Difference]: Start difference. First operand 1081 states and 1426 transitions. Second operand has 8 states, 8 states have (on average 8.375) internal successors, (67), 7 states have internal predecessors, (67), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:45:34,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:45:34,297 INFO L93 Difference]: Finished difference Result 2693 states and 3580 transitions. [2024-11-23 18:45:34,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 18:45:34,298 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 7 states have internal predecessors, (67), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 149 [2024-11-23 18:45:34,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:45:34,304 INFO L225 Difference]: With dead ends: 2693 [2024-11-23 18:45:34,304 INFO L226 Difference]: Without dead ends: 1672 [2024-11-23 18:45:34,305 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-23 18:45:34,306 INFO L435 NwaCegarLoop]: 236 mSDtfsCounter, 232 mSDsluCounter, 730 mSDsCounter, 0 mSdLazyCounter, 541 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 966 SdHoareTripleChecker+Invalid, 542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-23 18:45:34,306 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [232 Valid, 966 Invalid, 542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 541 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-23 18:45:34,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1672 states. [2024-11-23 18:45:34,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1672 to 1356. [2024-11-23 18:45:34,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1356 states, 1291 states have (on average 1.3206816421378775) internal successors, (1705), 1296 states have internal predecessors, (1705), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-23 18:45:34,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1356 states to 1356 states and 1813 transitions. [2024-11-23 18:45:34,415 INFO L78 Accepts]: Start accepts. Automaton has 1356 states and 1813 transitions. Word has length 149 [2024-11-23 18:45:34,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:45:34,416 INFO L471 AbstractCegarLoop]: Abstraction has 1356 states and 1813 transitions. [2024-11-23 18:45:34,416 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 7 states have internal predecessors, (67), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:45:34,416 INFO L276 IsEmpty]: Start isEmpty. Operand 1356 states and 1813 transitions. [2024-11-23 18:45:34,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-23 18:45:34,418 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:45:34,418 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:45:34,426 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (30)] Ended with exit code 0 [2024-11-23 18:45:34,619 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:45:34,619 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:45:34,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:45:34,619 INFO L85 PathProgramCache]: Analyzing trace with hash -664154231, now seen corresponding path program 1 times [2024-11-23 18:45:34,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:45:34,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [611872893] [2024-11-23 18:45:34,620 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:45:34,620 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:45:34,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:45:34,621 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:45:34,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2024-11-23 18:45:34,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:45:34,994 INFO L256 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-23 18:45:34,995 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:45:35,196 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2024-11-23 18:45:35,197 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 15 [2024-11-23 18:45:35,281 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-23 18:45:35,281 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:45:35,281 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:45:35,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [611872893] [2024-11-23 18:45:35,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [611872893] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:45:35,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:45:35,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 18:45:35,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885876293] [2024-11-23 18:45:35,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:45:35,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 18:45:35,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:45:35,282 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 18:45:35,283 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:45:35,284 INFO L87 Difference]: Start difference. First operand 1356 states and 1813 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:45:36,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:45:36,768 INFO L93 Difference]: Finished difference Result 2654 states and 3545 transitions. [2024-11-23 18:45:36,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 18:45:36,769 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 149 [2024-11-23 18:45:36,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:45:36,774 INFO L225 Difference]: With dead ends: 2654 [2024-11-23 18:45:36,775 INFO L226 Difference]: Without dead ends: 1358 [2024-11-23 18:45:36,776 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-23 18:45:36,777 INFO L435 NwaCegarLoop]: 174 mSDtfsCounter, 65 mSDsluCounter, 499 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 673 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-23 18:45:36,777 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 673 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-23 18:45:36,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1358 states. [2024-11-23 18:45:36,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1358 to 1356. [2024-11-23 18:45:36,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1356 states, 1291 states have (on average 1.3113865220759102) internal successors, (1693), 1296 states have internal predecessors, (1693), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-23 18:45:36,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1356 states to 1356 states and 1801 transitions. [2024-11-23 18:45:36,886 INFO L78 Accepts]: Start accepts. Automaton has 1356 states and 1801 transitions. Word has length 149 [2024-11-23 18:45:36,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:45:36,886 INFO L471 AbstractCegarLoop]: Abstraction has 1356 states and 1801 transitions. [2024-11-23 18:45:36,886 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:45:36,886 INFO L276 IsEmpty]: Start isEmpty. Operand 1356 states and 1801 transitions. [2024-11-23 18:45:36,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-23 18:45:36,888 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:45:36,889 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:45:36,898 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (31)] Ended with exit code 0 [2024-11-23 18:45:37,089 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:45:37,089 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:45:37,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:45:37,090 INFO L85 PathProgramCache]: Analyzing trace with hash 1825374731, now seen corresponding path program 1 times [2024-11-23 18:45:37,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:45:37,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1007712355] [2024-11-23 18:45:37,090 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:45:37,090 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:45:37,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:45:37,092 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:45:37,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (32)] Waiting until timeout for monitored process [2024-11-23 18:45:37,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:45:37,586 INFO L256 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-23 18:45:37,589 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:45:42,029 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 23 [2024-11-23 18:45:42,536 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:45:42,536 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 15 [2024-11-23 18:45:42,612 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-23 18:45:42,612 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:45:42,612 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:45:42,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1007712355] [2024-11-23 18:45:42,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1007712355] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:45:42,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:45:42,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-23 18:45:42,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604244371] [2024-11-23 18:45:42,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:45:42,613 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-23 18:45:42,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:45:42,613 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-23 18:45:42,613 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-23 18:45:42,614 INFO L87 Difference]: Start difference. First operand 1356 states and 1801 transitions. Second operand has 8 states, 8 states have (on average 8.375) internal successors, (67), 7 states have internal predecessors, (67), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:45:45,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:45:45,182 INFO L93 Difference]: Finished difference Result 2873 states and 3824 transitions. [2024-11-23 18:45:45,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 18:45:45,183 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 7 states have internal predecessors, (67), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 149 [2024-11-23 18:45:45,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:45:45,190 INFO L225 Difference]: With dead ends: 2873 [2024-11-23 18:45:45,190 INFO L226 Difference]: Without dead ends: 1577 [2024-11-23 18:45:45,192 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-23 18:45:45,192 INFO L435 NwaCegarLoop]: 190 mSDtfsCounter, 317 mSDsluCounter, 527 mSDsCounter, 0 mSdLazyCounter, 441 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 317 SdHoareTripleChecker+Valid, 717 SdHoareTripleChecker+Invalid, 462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-23 18:45:45,193 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [317 Valid, 717 Invalid, 462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 441 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-23 18:45:45,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1577 states. [2024-11-23 18:45:45,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1577 to 1034. [2024-11-23 18:45:45,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1034 states, 969 states have (on average 1.3116615067079462) internal successors, (1271), 974 states have internal predecessors, (1271), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-23 18:45:45,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 1034 states and 1379 transitions. [2024-11-23 18:45:45,319 INFO L78 Accepts]: Start accepts. Automaton has 1034 states and 1379 transitions. Word has length 149 [2024-11-23 18:45:45,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:45:45,319 INFO L471 AbstractCegarLoop]: Abstraction has 1034 states and 1379 transitions. [2024-11-23 18:45:45,319 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 7 states have internal predecessors, (67), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:45:45,319 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1379 transitions. [2024-11-23 18:45:45,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-23 18:45:45,321 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:45:45,321 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:45:45,328 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (32)] Ended with exit code 0 [2024-11-23 18:45:45,521 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:45:45,522 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:45:45,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:45:45,522 INFO L85 PathProgramCache]: Analyzing trace with hash -1885261755, now seen corresponding path program 1 times [2024-11-23 18:45:45,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:45:45,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [12229587] [2024-11-23 18:45:45,523 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:45:45,523 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:45:45,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:45:45,524 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:45:45,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (33)] Waiting until timeout for monitored process [2024-11-23 18:45:46,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:45:46,056 INFO L256 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-23 18:45:46,060 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:45:50,060 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 25 [2024-11-23 18:45:50,759 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:45:50,760 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 13 [2024-11-23 18:45:50,810 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-23 18:45:50,810 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:45:50,810 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:45:50,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [12229587] [2024-11-23 18:45:50,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [12229587] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:45:50,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:45:50,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-23 18:45:50,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319178233] [2024-11-23 18:45:50,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:45:50,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 18:45:50,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:45:50,811 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 18:45:50,812 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-23 18:45:50,812 INFO L87 Difference]: Start difference. First operand 1034 states and 1379 transitions. Second operand has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 8 states have internal predecessors, (67), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:45:53,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:45:53,202 INFO L93 Difference]: Finished difference Result 2218 states and 2954 transitions. [2024-11-23 18:45:53,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 18:45:53,203 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 8 states have internal predecessors, (67), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 149 [2024-11-23 18:45:53,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:45:53,209 INFO L225 Difference]: With dead ends: 2218 [2024-11-23 18:45:53,209 INFO L226 Difference]: Without dead ends: 1244 [2024-11-23 18:45:53,210 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-23 18:45:53,211 INFO L435 NwaCegarLoop]: 199 mSDtfsCounter, 209 mSDsluCounter, 689 mSDsCounter, 0 mSdLazyCounter, 504 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 888 SdHoareTripleChecker+Invalid, 504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 504 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-23 18:45:53,211 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [209 Valid, 888 Invalid, 504 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 504 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-23 18:45:53,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1244 states. [2024-11-23 18:45:53,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1244 to 1043. [2024-11-23 18:45:53,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1043 states, 978 states have (on average 1.3118609406952966) internal successors, (1283), 983 states have internal predecessors, (1283), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-23 18:45:53,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1043 states to 1043 states and 1391 transitions. [2024-11-23 18:45:53,317 INFO L78 Accepts]: Start accepts. Automaton has 1043 states and 1391 transitions. Word has length 149 [2024-11-23 18:45:53,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:45:53,317 INFO L471 AbstractCegarLoop]: Abstraction has 1043 states and 1391 transitions. [2024-11-23 18:45:53,317 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 8 states have internal predecessors, (67), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:45:53,317 INFO L276 IsEmpty]: Start isEmpty. Operand 1043 states and 1391 transitions. [2024-11-23 18:45:53,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-23 18:45:53,318 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:45:53,318 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:45:53,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (33)] Ended with exit code 0 [2024-11-23 18:45:53,519 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:45:53,519 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:45:53,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:45:53,519 INFO L85 PathProgramCache]: Analyzing trace with hash -1627096317, now seen corresponding path program 1 times [2024-11-23 18:45:53,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:45:53,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [97463737] [2024-11-23 18:45:53,520 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:45:53,520 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:45:53,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:45:53,521 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:45:53,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (34)] Waiting until timeout for monitored process [2024-11-23 18:45:53,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:45:53,888 INFO L256 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-23 18:45:53,890 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:45:53,993 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:45:53,993 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2024-11-23 18:45:54,036 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-23 18:45:54,036 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:45:54,036 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:45:54,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [97463737] [2024-11-23 18:45:54,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [97463737] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:45:54,036 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:45:54,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:45:54,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251201938] [2024-11-23 18:45:54,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:45:54,037 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:45:54,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:45:54,037 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:45:54,037 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:45:54,038 INFO L87 Difference]: Start difference. First operand 1043 states and 1391 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:45:55,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:45:55,105 INFO L93 Difference]: Finished difference Result 2245 states and 2996 transitions. [2024-11-23 18:45:55,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 18:45:55,106 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 149 [2024-11-23 18:45:55,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:45:55,110 INFO L225 Difference]: With dead ends: 2245 [2024-11-23 18:45:55,111 INFO L226 Difference]: Without dead ends: 1262 [2024-11-23 18:45:55,112 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:45:55,113 INFO L435 NwaCegarLoop]: 240 mSDtfsCounter, 82 mSDsluCounter, 527 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 767 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-23 18:45:55,113 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 767 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-23 18:45:55,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1262 states. [2024-11-23 18:45:55,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1262 to 1055. [2024-11-23 18:45:55,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1055 states, 990 states have (on average 1.314141414141414) internal successors, (1301), 995 states have internal predecessors, (1301), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-23 18:45:55,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 1055 states and 1409 transitions. [2024-11-23 18:45:55,270 INFO L78 Accepts]: Start accepts. Automaton has 1055 states and 1409 transitions. Word has length 149 [2024-11-23 18:45:55,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:45:55,270 INFO L471 AbstractCegarLoop]: Abstraction has 1055 states and 1409 transitions. [2024-11-23 18:45:55,270 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:45:55,270 INFO L276 IsEmpty]: Start isEmpty. Operand 1055 states and 1409 transitions. [2024-11-23 18:45:55,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-23 18:45:55,272 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:45:55,272 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:45:55,281 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (34)] Ended with exit code 0 [2024-11-23 18:45:55,473 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:45:55,473 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:45:55,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:45:55,474 INFO L85 PathProgramCache]: Analyzing trace with hash -2020123327, now seen corresponding path program 1 times [2024-11-23 18:45:55,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:45:55,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1366023457] [2024-11-23 18:45:55,474 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:45:55,474 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:45:55,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:45:55,476 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:45:55,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (35)] Waiting until timeout for monitored process [2024-11-23 18:45:55,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:45:55,914 INFO L256 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-23 18:45:55,916 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:45:57,910 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 15 [2024-11-23 18:45:58,283 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:45:58,284 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 10 [2024-11-23 18:45:58,450 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-23 18:45:58,450 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:45:58,450 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:45:58,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1366023457] [2024-11-23 18:45:58,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1366023457] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:45:58,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:45:58,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-23 18:45:58,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445445588] [2024-11-23 18:45:58,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:45:58,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-23 18:45:58,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:45:58,452 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-23 18:45:58,452 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-23 18:45:58,452 INFO L87 Difference]: Start difference. First operand 1055 states and 1409 transitions. Second operand has 11 states, 11 states have (on average 6.090909090909091) internal successors, (67), 10 states have internal predecessors, (67), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:46:00,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:46:00,520 INFO L93 Difference]: Finished difference Result 2263 states and 3011 transitions. [2024-11-23 18:46:00,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 18:46:00,521 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.090909090909091) internal successors, (67), 10 states have internal predecessors, (67), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 149 [2024-11-23 18:46:00,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:46:00,524 INFO L225 Difference]: With dead ends: 2263 [2024-11-23 18:46:00,524 INFO L226 Difference]: Without dead ends: 1268 [2024-11-23 18:46:00,525 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2024-11-23 18:46:00,526 INFO L435 NwaCegarLoop]: 204 mSDtfsCounter, 249 mSDsluCounter, 1327 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 1531 SdHoareTripleChecker+Invalid, 531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-23 18:46:00,526 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 1531 Invalid, 531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-23 18:46:00,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1268 states. [2024-11-23 18:46:00,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1268 to 1067. [2024-11-23 18:46:00,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1067 states, 1002 states have (on average 1.313373253493014) internal successors, (1316), 1007 states have internal predecessors, (1316), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-23 18:46:00,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1067 states to 1067 states and 1424 transitions. [2024-11-23 18:46:00,626 INFO L78 Accepts]: Start accepts. Automaton has 1067 states and 1424 transitions. Word has length 149 [2024-11-23 18:46:00,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:46:00,626 INFO L471 AbstractCegarLoop]: Abstraction has 1067 states and 1424 transitions. [2024-11-23 18:46:00,626 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.090909090909091) internal successors, (67), 10 states have internal predecessors, (67), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:46:00,626 INFO L276 IsEmpty]: Start isEmpty. Operand 1067 states and 1424 transitions. [2024-11-23 18:46:00,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-23 18:46:00,627 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:46:00,627 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:46:00,634 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (35)] Forceful destruction successful, exit code 0 [2024-11-23 18:46:00,828 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:46:00,828 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:46:00,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:46:00,828 INFO L85 PathProgramCache]: Analyzing trace with hash -1778560742, now seen corresponding path program 1 times [2024-11-23 18:46:00,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:46:00,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [433320093] [2024-11-23 18:46:00,829 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:46:00,829 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:46:00,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:46:00,830 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:46:00,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (36)] Waiting until timeout for monitored process [2024-11-23 18:46:01,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:46:01,317 INFO L256 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-23 18:46:01,319 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:46:04,954 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 18 [2024-11-23 18:46:05,438 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-23 18:46:05,438 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:46:05,438 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:46:05,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [433320093] [2024-11-23 18:46:05,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [433320093] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:46:05,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:46:05,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 18:46:05,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315758204] [2024-11-23 18:46:05,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:46:05,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 18:46:05,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:46:05,440 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 18:46:05,440 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-23 18:46:05,440 INFO L87 Difference]: Start difference. First operand 1067 states and 1424 transitions. Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:46:06,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:46:06,957 INFO L93 Difference]: Finished difference Result 2290 states and 3038 transitions. [2024-11-23 18:46:06,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 18:46:06,958 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 149 [2024-11-23 18:46:06,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:46:06,962 INFO L225 Difference]: With dead ends: 2290 [2024-11-23 18:46:06,963 INFO L226 Difference]: Without dead ends: 1193 [2024-11-23 18:46:06,964 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-23 18:46:06,964 INFO L435 NwaCegarLoop]: 200 mSDtfsCounter, 242 mSDsluCounter, 369 mSDsCounter, 0 mSdLazyCounter, 338 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 569 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 338 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-23 18:46:06,965 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 569 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 338 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-23 18:46:06,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1193 states. [2024-11-23 18:46:07,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1193 to 1031. [2024-11-23 18:46:07,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1031 states, 966 states have (on average 1.2939958592132506) internal successors, (1250), 971 states have internal predecessors, (1250), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-23 18:46:07,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1031 states to 1031 states and 1358 transitions. [2024-11-23 18:46:07,116 INFO L78 Accepts]: Start accepts. Automaton has 1031 states and 1358 transitions. Word has length 149 [2024-11-23 18:46:07,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:46:07,116 INFO L471 AbstractCegarLoop]: Abstraction has 1031 states and 1358 transitions. [2024-11-23 18:46:07,117 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:46:07,117 INFO L276 IsEmpty]: Start isEmpty. Operand 1031 states and 1358 transitions. [2024-11-23 18:46:07,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-23 18:46:07,118 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:46:07,118 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:46:07,129 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (36)] Ended with exit code 0 [2024-11-23 18:46:07,319 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:46:07,320 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:46:07,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:46:07,320 INFO L85 PathProgramCache]: Analyzing trace with hash -857627590, now seen corresponding path program 1 times [2024-11-23 18:46:07,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:46:07,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [96576026] [2024-11-23 18:46:07,321 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:46:07,321 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:46:07,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:46:07,323 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:46:07,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (37)] Waiting until timeout for monitored process [2024-11-23 18:46:07,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:46:07,794 INFO L256 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-23 18:46:07,796 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:46:11,661 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 18 [2024-11-23 18:46:11,880 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:46:11,880 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 14 [2024-11-23 18:46:11,884 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-23 18:46:11,884 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:46:11,884 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:46:11,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [96576026] [2024-11-23 18:46:11,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [96576026] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:46:11,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:46:11,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 18:46:11,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368637434] [2024-11-23 18:46:11,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:46:11,885 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 18:46:11,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:46:11,886 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 18:46:11,886 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-23 18:46:11,886 INFO L87 Difference]: Start difference. First operand 1031 states and 1358 transitions. Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:46:13,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:46:13,170 INFO L93 Difference]: Finished difference Result 1842 states and 2408 transitions. [2024-11-23 18:46:13,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 18:46:13,171 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 149 [2024-11-23 18:46:13,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:46:13,174 INFO L225 Difference]: With dead ends: 1842 [2024-11-23 18:46:13,175 INFO L226 Difference]: Without dead ends: 871 [2024-11-23 18:46:13,176 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-23 18:46:13,177 INFO L435 NwaCegarLoop]: 158 mSDtfsCounter, 113 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 306 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-23 18:46:13,177 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 431 Invalid, 307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 306 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-23 18:46:13,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 871 states. [2024-11-23 18:46:13,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 871 to 871. [2024-11-23 18:46:13,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 871 states, 806 states have (on average 1.2679900744416874) internal successors, (1022), 811 states have internal predecessors, (1022), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-23 18:46:13,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 871 states and 1130 transitions. [2024-11-23 18:46:13,308 INFO L78 Accepts]: Start accepts. Automaton has 871 states and 1130 transitions. Word has length 149 [2024-11-23 18:46:13,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:46:13,308 INFO L471 AbstractCegarLoop]: Abstraction has 871 states and 1130 transitions. [2024-11-23 18:46:13,308 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:46:13,308 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 1130 transitions. [2024-11-23 18:46:13,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-23 18:46:13,310 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:46:13,310 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:46:13,319 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (37)] Forceful destruction successful, exit code 0 [2024-11-23 18:46:13,511 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:46:13,511 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:46:13,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:46:13,511 INFO L85 PathProgramCache]: Analyzing trace with hash 270410366, now seen corresponding path program 1 times [2024-11-23 18:46:13,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:46:13,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [655892655] [2024-11-23 18:46:13,512 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:46:13,512 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:46:13,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:46:13,513 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:46:13,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (38)] Waiting until timeout for monitored process [2024-11-23 18:46:14,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:46:14,030 INFO L256 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-23 18:46:14,033 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:46:18,355 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 18 [2024-11-23 18:46:18,512 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:46:18,512 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 10 [2024-11-23 18:46:18,553 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-23 18:46:18,553 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:46:18,553 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:46:18,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [655892655] [2024-11-23 18:46:18,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [655892655] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:46:18,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:46:18,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-23 18:46:18,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446309692] [2024-11-23 18:46:18,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:46:18,554 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-23 18:46:18,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:46:18,555 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-23 18:46:18,555 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-23 18:46:18,555 INFO L87 Difference]: Start difference. First operand 871 states and 1130 transitions. Second operand has 8 states, 8 states have (on average 8.375) internal successors, (67), 7 states have internal predecessors, (67), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:46:20,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:46:20,882 INFO L93 Difference]: Finished difference Result 2056 states and 2673 transitions. [2024-11-23 18:46:20,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 18:46:20,883 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 7 states have internal predecessors, (67), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 149 [2024-11-23 18:46:20,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:46:20,885 INFO L225 Difference]: With dead ends: 2056 [2024-11-23 18:46:20,886 INFO L226 Difference]: Without dead ends: 1245 [2024-11-23 18:46:20,887 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-23 18:46:20,887 INFO L435 NwaCegarLoop]: 221 mSDtfsCounter, 247 mSDsluCounter, 697 mSDsCounter, 0 mSdLazyCounter, 499 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 918 SdHoareTripleChecker+Invalid, 500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-23 18:46:20,887 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 918 Invalid, 500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 499 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-23 18:46:20,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1245 states. [2024-11-23 18:46:20,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1245 to 913. [2024-11-23 18:46:20,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 913 states, 848 states have (on average 1.275943396226415) internal successors, (1082), 853 states have internal predecessors, (1082), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-23 18:46:20,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 913 states to 913 states and 1190 transitions. [2024-11-23 18:46:20,996 INFO L78 Accepts]: Start accepts. Automaton has 913 states and 1190 transitions. Word has length 149 [2024-11-23 18:46:20,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:46:20,997 INFO L471 AbstractCegarLoop]: Abstraction has 913 states and 1190 transitions. [2024-11-23 18:46:20,997 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 7 states have internal predecessors, (67), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:46:20,997 INFO L276 IsEmpty]: Start isEmpty. Operand 913 states and 1190 transitions. [2024-11-23 18:46:20,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-23 18:46:20,999 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:46:20,999 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:46:21,006 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (38)] Ended with exit code 0 [2024-11-23 18:46:21,199 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:46:21,199 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:46:21,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:46:21,200 INFO L85 PathProgramCache]: Analyzing trace with hash 528575804, now seen corresponding path program 1 times [2024-11-23 18:46:21,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:46:21,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1900013263] [2024-11-23 18:46:21,200 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:46:21,200 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:46:21,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:46:21,202 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:46:21,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (39)] Waiting until timeout for monitored process [2024-11-23 18:46:21,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:46:21,740 INFO L256 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-23 18:46:21,743 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:46:25,216 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 15 [2024-11-23 18:46:25,631 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 18 [2024-11-23 18:46:25,810 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:46:25,810 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 10 [2024-11-23 18:46:25,908 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-23 18:46:25,908 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:46:25,908 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:46:25,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1900013263] [2024-11-23 18:46:25,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1900013263] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:46:25,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:46:25,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-23 18:46:25,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933114194] [2024-11-23 18:46:25,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:46:25,909 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-23 18:46:25,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:46:25,910 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-23 18:46:25,910 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-23 18:46:25,910 INFO L87 Difference]: Start difference. First operand 913 states and 1190 transitions. Second operand has 10 states, 10 states have (on average 6.7) internal successors, (67), 9 states have internal predecessors, (67), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:46:28,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:46:28,710 INFO L93 Difference]: Finished difference Result 1941 states and 2517 transitions. [2024-11-23 18:46:28,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 18:46:28,711 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.7) internal successors, (67), 9 states have internal predecessors, (67), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 149 [2024-11-23 18:46:28,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:46:28,714 INFO L225 Difference]: With dead ends: 1941 [2024-11-23 18:46:28,714 INFO L226 Difference]: Without dead ends: 1088 [2024-11-23 18:46:28,715 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2024-11-23 18:46:28,715 INFO L435 NwaCegarLoop]: 251 mSDtfsCounter, 235 mSDsluCounter, 1221 mSDsCounter, 0 mSdLazyCounter, 737 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 1472 SdHoareTripleChecker+Invalid, 739 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 737 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-23 18:46:28,715 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 1472 Invalid, 739 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 737 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-23 18:46:28,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1088 states. [2024-11-23 18:46:28,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1088 to 980. [2024-11-23 18:46:28,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 980 states, 915 states have (on average 1.2721311475409836) internal successors, (1164), 920 states have internal predecessors, (1164), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-23 18:46:28,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 980 states to 980 states and 1272 transitions. [2024-11-23 18:46:28,819 INFO L78 Accepts]: Start accepts. Automaton has 980 states and 1272 transitions. Word has length 149 [2024-11-23 18:46:28,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:46:28,819 INFO L471 AbstractCegarLoop]: Abstraction has 980 states and 1272 transitions. [2024-11-23 18:46:28,819 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.7) internal successors, (67), 9 states have internal predecessors, (67), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:46:28,819 INFO L276 IsEmpty]: Start isEmpty. Operand 980 states and 1272 transitions. [2024-11-23 18:46:28,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-23 18:46:28,820 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:46:28,820 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:46:28,827 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (39)] Ended with exit code 0 [2024-11-23 18:46:29,021 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:46:29,021 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:46:29,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:46:29,021 INFO L85 PathProgramCache]: Analyzing trace with hash 1070995586, now seen corresponding path program 1 times [2024-11-23 18:46:29,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:46:29,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1707389779] [2024-11-23 18:46:29,022 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:46:29,022 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:46:29,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:46:29,023 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:46:29,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (40)] Waiting until timeout for monitored process [2024-11-23 18:46:29,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:46:29,556 INFO L256 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-23 18:46:29,560 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:46:34,094 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 23 [2024-11-23 18:46:34,336 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:46:34,336 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 15 [2024-11-23 18:46:34,415 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-23 18:46:34,415 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:46:34,415 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:46:34,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1707389779] [2024-11-23 18:46:34,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1707389779] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:46:34,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:46:34,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-23 18:46:34,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849562379] [2024-11-23 18:46:34,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:46:34,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-23 18:46:34,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:46:34,416 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-23 18:46:34,416 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-23 18:46:34,417 INFO L87 Difference]: Start difference. First operand 980 states and 1272 transitions. Second operand has 8 states, 8 states have (on average 8.375) internal successors, (67), 7 states have internal predecessors, (67), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:46:37,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:46:37,052 INFO L93 Difference]: Finished difference Result 2299 states and 2972 transitions. [2024-11-23 18:46:37,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 18:46:37,053 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 7 states have internal predecessors, (67), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 149 [2024-11-23 18:46:37,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:46:37,055 INFO L225 Difference]: With dead ends: 2299 [2024-11-23 18:46:37,055 INFO L226 Difference]: Without dead ends: 1379 [2024-11-23 18:46:37,056 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-23 18:46:37,056 INFO L435 NwaCegarLoop]: 186 mSDtfsCounter, 214 mSDsluCounter, 598 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 784 SdHoareTripleChecker+Invalid, 525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-23 18:46:37,056 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 784 Invalid, 525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-23 18:46:37,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1379 states. [2024-11-23 18:46:37,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1379 to 914. [2024-11-23 18:46:37,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 914 states, 849 states have (on average 1.2555948174322733) internal successors, (1066), 854 states have internal predecessors, (1066), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-23 18:46:37,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 914 states to 914 states and 1174 transitions. [2024-11-23 18:46:37,148 INFO L78 Accepts]: Start accepts. Automaton has 914 states and 1174 transitions. Word has length 149 [2024-11-23 18:46:37,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:46:37,148 INFO L471 AbstractCegarLoop]: Abstraction has 914 states and 1174 transitions. [2024-11-23 18:46:37,148 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 7 states have internal predecessors, (67), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:46:37,148 INFO L276 IsEmpty]: Start isEmpty. Operand 914 states and 1174 transitions. [2024-11-23 18:46:37,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-23 18:46:37,149 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:46:37,149 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:46:37,156 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (40)] Ended with exit code 0 [2024-11-23 18:46:37,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:46:37,350 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:46:37,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:46:37,350 INFO L85 PathProgramCache]: Analyzing trace with hash 1746480400, now seen corresponding path program 1 times [2024-11-23 18:46:37,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:46:37,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1785111002] [2024-11-23 18:46:37,351 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:46:37,351 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:46:37,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:46:37,354 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:46:37,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (41)] Waiting until timeout for monitored process [2024-11-23 18:46:37,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:46:37,828 INFO L256 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-23 18:46:37,830 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:46:38,656 INFO L349 Elim1Store]: treesize reduction 18, result has 51.4 percent of original size [2024-11-23 18:46:38,657 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 49 treesize of output 35 [2024-11-23 18:46:38,720 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-23 18:46:38,720 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:46:38,720 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:46:38,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1785111002] [2024-11-23 18:46:38,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1785111002] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:46:38,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:46:38,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-23 18:46:38,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536367138] [2024-11-23 18:46:38,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:46:38,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-23 18:46:38,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:46:38,721 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-23 18:46:38,721 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-23 18:46:38,722 INFO L87 Difference]: Start difference. First operand 914 states and 1174 transitions. Second operand has 10 states, 10 states have (on average 6.8) internal successors, (68), 10 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:46:41,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:46:41,689 INFO L93 Difference]: Finished difference Result 1944 states and 2492 transitions. [2024-11-23 18:46:41,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 18:46:41,690 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.8) internal successors, (68), 10 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 150 [2024-11-23 18:46:41,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:46:41,692 INFO L225 Difference]: With dead ends: 1944 [2024-11-23 18:46:41,692 INFO L226 Difference]: Without dead ends: 1090 [2024-11-23 18:46:41,693 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-11-23 18:46:41,693 INFO L435 NwaCegarLoop]: 138 mSDtfsCounter, 218 mSDsluCounter, 749 mSDsCounter, 0 mSdLazyCounter, 546 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 887 SdHoareTripleChecker+Invalid, 576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-23 18:46:41,693 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 887 Invalid, 576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 546 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-23 18:46:41,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1090 states. [2024-11-23 18:46:41,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1090 to 929. [2024-11-23 18:46:41,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 929 states, 864 states have (on average 1.2511574074074074) internal successors, (1081), 869 states have internal predecessors, (1081), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-23 18:46:41,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 929 states and 1189 transitions. [2024-11-23 18:46:41,799 INFO L78 Accepts]: Start accepts. Automaton has 929 states and 1189 transitions. Word has length 150 [2024-11-23 18:46:41,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:46:41,799 INFO L471 AbstractCegarLoop]: Abstraction has 929 states and 1189 transitions. [2024-11-23 18:46:41,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.8) internal successors, (68), 10 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:46:41,799 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 1189 transitions. [2024-11-23 18:46:41,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-23 18:46:41,801 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:46:41,801 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:46:41,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (41)] Ended with exit code 0 [2024-11-23 18:46:42,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:46:42,002 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:46:42,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:46:42,003 INFO L85 PathProgramCache]: Analyzing trace with hash -42856368, now seen corresponding path program 1 times [2024-11-23 18:46:42,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:46:42,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [928643733] [2024-11-23 18:46:42,003 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:46:42,003 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:46:42,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:46:42,005 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:46:42,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (42)] Waiting until timeout for monitored process [2024-11-23 18:46:42,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:46:42,569 INFO L256 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-23 18:46:42,571 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:46:43,165 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2024-11-23 18:46:43,165 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 14 [2024-11-23 18:46:43,214 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-23 18:46:43,214 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:46:43,214 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:46:43,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [928643733] [2024-11-23 18:46:43,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [928643733] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:46:43,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:46:43,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-23 18:46:43,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176073425] [2024-11-23 18:46:43,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:46:43,215 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-23 18:46:43,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:46:43,215 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-23 18:46:43,215 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-23 18:46:43,216 INFO L87 Difference]: Start difference. First operand 929 states and 1189 transitions. Second operand has 10 states, 10 states have (on average 6.8) internal successors, (68), 10 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:46:45,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:46:45,099 INFO L93 Difference]: Finished difference Result 1960 states and 2508 transitions. [2024-11-23 18:46:45,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 18:46:45,100 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.8) internal successors, (68), 10 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 150 [2024-11-23 18:46:45,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:46:45,102 INFO L225 Difference]: With dead ends: 1960 [2024-11-23 18:46:45,103 INFO L226 Difference]: Without dead ends: 1091 [2024-11-23 18:46:45,103 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-23 18:46:45,104 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 102 mSDsluCounter, 720 mSDsCounter, 0 mSdLazyCounter, 479 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 870 SdHoareTripleChecker+Invalid, 480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-23 18:46:45,104 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 870 Invalid, 480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 479 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-23 18:46:45,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1091 states. [2024-11-23 18:46:45,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1091 to 917. [2024-11-23 18:46:45,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 917 states, 852 states have (on average 1.2546948356807512) internal successors, (1069), 857 states have internal predecessors, (1069), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-23 18:46:45,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 917 states to 917 states and 1177 transitions. [2024-11-23 18:46:45,213 INFO L78 Accepts]: Start accepts. Automaton has 917 states and 1177 transitions. Word has length 150 [2024-11-23 18:46:45,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:46:45,213 INFO L471 AbstractCegarLoop]: Abstraction has 917 states and 1177 transitions. [2024-11-23 18:46:45,213 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.8) internal successors, (68), 10 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:46:45,213 INFO L276 IsEmpty]: Start isEmpty. Operand 917 states and 1177 transitions. [2024-11-23 18:46:45,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-23 18:46:45,215 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:46:45,215 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:46:45,224 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (42)] Forceful destruction successful, exit code 0 [2024-11-23 18:46:45,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:46:45,416 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:46:45,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:46:45,416 INFO L85 PathProgramCache]: Analyzing trace with hash 674482458, now seen corresponding path program 1 times [2024-11-23 18:46:45,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:46:45,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1603770219] [2024-11-23 18:46:45,417 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:46:45,417 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:46:45,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:46:45,418 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:46:45,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (43)] Waiting until timeout for monitored process [2024-11-23 18:46:45,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:46:45,947 INFO L256 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-23 18:46:45,950 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:46:49,964 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 19 [2024-11-23 18:46:50,314 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:46:50,314 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 11 [2024-11-23 18:46:50,346 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-23 18:46:50,346 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:46:50,346 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:46:50,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1603770219] [2024-11-23 18:46:50,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1603770219] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:46:50,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:46:50,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 18:46:50,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932226864] [2024-11-23 18:46:50,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:46:50,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 18:46:50,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:46:50,347 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 18:46:50,347 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-23 18:46:50,348 INFO L87 Difference]: Start difference. First operand 917 states and 1177 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 6 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:46:52,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:46:52,141 INFO L93 Difference]: Finished difference Result 2263 states and 2913 transitions. [2024-11-23 18:46:52,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 18:46:52,142 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 6 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 154 [2024-11-23 18:46:52,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:46:52,146 INFO L225 Difference]: With dead ends: 2263 [2024-11-23 18:46:52,146 INFO L226 Difference]: Without dead ends: 1406 [2024-11-23 18:46:52,147 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-23 18:46:52,147 INFO L435 NwaCegarLoop]: 218 mSDtfsCounter, 212 mSDsluCounter, 527 mSDsCounter, 0 mSdLazyCounter, 372 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 745 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 372 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-23 18:46:52,148 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 745 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 372 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-23 18:46:52,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1406 states. [2024-11-23 18:46:52,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1406 to 1187. [2024-11-23 18:46:52,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1187 states, 1122 states have (on average 1.2602495543672014) internal successors, (1414), 1127 states have internal predecessors, (1414), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-23 18:46:52,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1187 states to 1187 states and 1522 transitions. [2024-11-23 18:46:52,322 INFO L78 Accepts]: Start accepts. Automaton has 1187 states and 1522 transitions. Word has length 154 [2024-11-23 18:46:52,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:46:52,322 INFO L471 AbstractCegarLoop]: Abstraction has 1187 states and 1522 transitions. [2024-11-23 18:46:52,322 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 6 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:46:52,322 INFO L276 IsEmpty]: Start isEmpty. Operand 1187 states and 1522 transitions. [2024-11-23 18:46:52,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-23 18:46:52,324 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:46:52,325 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:46:52,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (43)] Ended with exit code 0 [2024-11-23 18:46:52,525 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:46:52,525 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:46:52,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:46:52,526 INFO L85 PathProgramCache]: Analyzing trace with hash 539620886, now seen corresponding path program 1 times [2024-11-23 18:46:52,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:46:52,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [918965440] [2024-11-23 18:46:52,526 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:46:52,526 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:46:52,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:46:52,528 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:46:52,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (44)] Waiting until timeout for monitored process [2024-11-23 18:46:53,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:46:53,059 INFO L256 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-23 18:46:53,063 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:46:56,986 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 18 [2024-11-23 18:46:57,385 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:46:57,386 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 10 [2024-11-23 18:46:57,426 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-23 18:46:57,426 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:46:57,426 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:46:57,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [918965440] [2024-11-23 18:46:57,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [918965440] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:46:57,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:46:57,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-23 18:46:57,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430221599] [2024-11-23 18:46:57,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:46:57,427 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 18:46:57,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:46:57,428 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 18:46:57,428 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-23 18:46:57,428 INFO L87 Difference]: Start difference. First operand 1187 states and 1522 transitions. Second operand has 9 states, 9 states have (on average 8.0) internal successors, (72), 8 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:46:59,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:46:59,542 INFO L93 Difference]: Finished difference Result 2767 states and 3531 transitions. [2024-11-23 18:46:59,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 18:46:59,543 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.0) internal successors, (72), 8 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 154 [2024-11-23 18:46:59,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:46:59,546 INFO L225 Difference]: With dead ends: 2767 [2024-11-23 18:46:59,546 INFO L226 Difference]: Without dead ends: 1640 [2024-11-23 18:46:59,547 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-23 18:46:59,547 INFO L435 NwaCegarLoop]: 213 mSDtfsCounter, 337 mSDsluCounter, 713 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 337 SdHoareTripleChecker+Valid, 926 SdHoareTripleChecker+Invalid, 548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-23 18:46:59,548 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [337 Valid, 926 Invalid, 548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 529 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-23 18:46:59,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1640 states. [2024-11-23 18:46:59,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1640 to 1409. [2024-11-23 18:46:59,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1409 states, 1344 states have (on average 1.2462797619047619) internal successors, (1675), 1349 states have internal predecessors, (1675), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-23 18:46:59,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1409 states to 1409 states and 1783 transitions. [2024-11-23 18:46:59,649 INFO L78 Accepts]: Start accepts. Automaton has 1409 states and 1783 transitions. Word has length 154 [2024-11-23 18:46:59,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:46:59,650 INFO L471 AbstractCegarLoop]: Abstraction has 1409 states and 1783 transitions. [2024-11-23 18:46:59,650 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.0) internal successors, (72), 8 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:46:59,650 INFO L276 IsEmpty]: Start isEmpty. Operand 1409 states and 1783 transitions. [2024-11-23 18:46:59,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-23 18:46:59,651 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:46:59,651 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:46:59,658 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (44)] Ended with exit code 0 [2024-11-23 18:46:59,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:46:59,852 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:46:59,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:46:59,852 INFO L85 PathProgramCache]: Analyzing trace with hash 781183471, now seen corresponding path program 1 times [2024-11-23 18:46:59,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:46:59,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [866467955] [2024-11-23 18:46:59,853 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:46:59,853 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:46:59,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:46:59,854 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:46:59,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (45)] Waiting until timeout for monitored process [2024-11-23 18:47:00,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:47:00,334 INFO L256 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-23 18:47:00,336 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:47:02,489 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 15 [2024-11-23 18:47:02,868 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:47:02,868 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 10 [2024-11-23 18:47:03,051 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-23 18:47:03,051 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:47:03,051 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:47:03,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [866467955] [2024-11-23 18:47:03,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [866467955] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:47:03,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:47:03,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-23 18:47:03,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778691225] [2024-11-23 18:47:03,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:47:03,052 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-23 18:47:03,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:47:03,052 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-23 18:47:03,052 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-23 18:47:03,053 INFO L87 Difference]: Start difference. First operand 1409 states and 1783 transitions. Second operand has 12 states, 12 states have (on average 6.0) internal successors, (72), 11 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:47:05,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:47:05,490 INFO L93 Difference]: Finished difference Result 3469 states and 4368 transitions. [2024-11-23 18:47:05,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 18:47:05,490 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.0) internal successors, (72), 11 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 154 [2024-11-23 18:47:05,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:47:05,495 INFO L225 Difference]: With dead ends: 3469 [2024-11-23 18:47:05,495 INFO L226 Difference]: Without dead ends: 2120 [2024-11-23 18:47:05,496 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2024-11-23 18:47:05,497 INFO L435 NwaCegarLoop]: 159 mSDtfsCounter, 262 mSDsluCounter, 1132 mSDsCounter, 0 mSdLazyCounter, 680 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 1291 SdHoareTripleChecker+Invalid, 681 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 680 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-23 18:47:05,497 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 1291 Invalid, 681 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 680 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-23 18:47:05,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2120 states. [2024-11-23 18:47:05,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2120 to 1907. [2024-11-23 18:47:05,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1907 states, 1842 states have (on average 1.235070575461455) internal successors, (2275), 1847 states have internal predecessors, (2275), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-23 18:47:05,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1907 states to 1907 states and 2383 transitions. [2024-11-23 18:47:05,689 INFO L78 Accepts]: Start accepts. Automaton has 1907 states and 2383 transitions. Word has length 154 [2024-11-23 18:47:05,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:47:05,689 INFO L471 AbstractCegarLoop]: Abstraction has 1907 states and 2383 transitions. [2024-11-23 18:47:05,689 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.0) internal successors, (72), 11 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:47:05,689 INFO L276 IsEmpty]: Start isEmpty. Operand 1907 states and 2383 transitions. [2024-11-23 18:47:05,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-23 18:47:05,692 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:47:05,692 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:47:05,702 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (45)] Forceful destruction successful, exit code 0 [2024-11-23 18:47:05,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:47:05,893 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:47:05,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:47:05,894 INFO L85 PathProgramCache]: Analyzing trace with hash 388156461, now seen corresponding path program 1 times [2024-11-23 18:47:05,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:47:05,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [707380552] [2024-11-23 18:47:05,894 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:47:05,894 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:47:05,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:47:05,896 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:47:05,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (46)] Waiting until timeout for monitored process [2024-11-23 18:47:06,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:47:06,559 INFO L256 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-23 18:47:06,561 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:47:06,704 INFO L349 Elim1Store]: treesize reduction 3, result has 75.0 percent of original size [2024-11-23 18:47:06,704 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 19 [2024-11-23 18:47:06,731 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-23 18:47:06,731 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:47:06,731 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:47:06,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [707380552] [2024-11-23 18:47:06,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [707380552] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:47:06,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:47:06,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:47:06,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954190850] [2024-11-23 18:47:06,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:47:06,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:47:06,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:47:06,732 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:47:06,732 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:47:06,732 INFO L87 Difference]: Start difference. First operand 1907 states and 2383 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:47:07,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:47:07,542 INFO L93 Difference]: Finished difference Result 4069 states and 5112 transitions. [2024-11-23 18:47:07,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 18:47:07,544 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 154 [2024-11-23 18:47:07,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:47:07,549 INFO L225 Difference]: With dead ends: 4069 [2024-11-23 18:47:07,549 INFO L226 Difference]: Without dead ends: 2222 [2024-11-23 18:47:07,551 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:47:07,552 INFO L435 NwaCegarLoop]: 234 mSDtfsCounter, 83 mSDsluCounter, 514 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 748 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-23 18:47:07,552 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 748 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-23 18:47:07,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2222 states. [2024-11-23 18:47:07,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2222 to 1979. [2024-11-23 18:47:07,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1979 states, 1914 states have (on average 1.2450365726227794) internal successors, (2383), 1919 states have internal predecessors, (2383), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-23 18:47:07,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1979 states to 1979 states and 2491 transitions. [2024-11-23 18:47:07,746 INFO L78 Accepts]: Start accepts. Automaton has 1979 states and 2491 transitions. Word has length 154 [2024-11-23 18:47:07,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:47:07,746 INFO L471 AbstractCegarLoop]: Abstraction has 1979 states and 2491 transitions. [2024-11-23 18:47:07,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:47:07,746 INFO L276 IsEmpty]: Start isEmpty. Operand 1979 states and 2491 transitions. [2024-11-23 18:47:07,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-23 18:47:07,749 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:47:07,750 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:47:07,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (46)] Forceful destruction successful, exit code 0 [2024-11-23 18:47:07,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:47:07,954 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:47:07,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:47:07,955 INFO L85 PathProgramCache]: Analyzing trace with hash -471496364, now seen corresponding path program 1 times [2024-11-23 18:47:07,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:47:07,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [659594514] [2024-11-23 18:47:07,955 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:47:07,955 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:47:07,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:47:07,957 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:47:07,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (47)] Waiting until timeout for monitored process [2024-11-23 18:47:08,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:47:08,525 INFO L256 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-23 18:47:08,528 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:47:12,534 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 18 [2024-11-23 18:47:12,937 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:47:12,937 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 14 [2024-11-23 18:47:12,984 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-23 18:47:12,984 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:47:12,984 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:47:12,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [659594514] [2024-11-23 18:47:12,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [659594514] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:47:12,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:47:12,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-23 18:47:12,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868553566] [2024-11-23 18:47:12,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:47:12,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-23 18:47:12,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:47:12,985 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-23 18:47:12,986 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-23 18:47:12,986 INFO L87 Difference]: Start difference. First operand 1979 states and 2491 transitions. Second operand has 8 states, 8 states have (on average 9.0) internal successors, (72), 7 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:47:15,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:47:15,318 INFO L93 Difference]: Finished difference Result 4546 states and 5703 transitions. [2024-11-23 18:47:15,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 18:47:15,319 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 7 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 154 [2024-11-23 18:47:15,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:47:15,327 INFO L225 Difference]: With dead ends: 4546 [2024-11-23 18:47:15,327 INFO L226 Difference]: Without dead ends: 2627 [2024-11-23 18:47:15,329 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-23 18:47:15,330 INFO L435 NwaCegarLoop]: 211 mSDtfsCounter, 250 mSDsluCounter, 658 mSDsCounter, 0 mSdLazyCounter, 501 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 869 SdHoareTripleChecker+Invalid, 502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 501 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-23 18:47:15,330 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 869 Invalid, 502 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 501 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-23 18:47:15,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2627 states. [2024-11-23 18:47:15,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2627 to 2372. [2024-11-23 18:47:15,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2372 states, 2307 states have (on average 1.2214997832683139) internal successors, (2818), 2312 states have internal predecessors, (2818), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-23 18:47:15,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2372 states to 2372 states and 2926 transitions. [2024-11-23 18:47:15,538 INFO L78 Accepts]: Start accepts. Automaton has 2372 states and 2926 transitions. Word has length 154 [2024-11-23 18:47:15,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:47:15,538 INFO L471 AbstractCegarLoop]: Abstraction has 2372 states and 2926 transitions. [2024-11-23 18:47:15,538 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 7 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:47:15,539 INFO L276 IsEmpty]: Start isEmpty. Operand 2372 states and 2926 transitions. [2024-11-23 18:47:15,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-23 18:47:15,542 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:47:15,542 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:47:15,552 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (47)] Ended with exit code 0 [2024-11-23 18:47:15,742 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:47:15,743 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:47:15,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:47:15,743 INFO L85 PathProgramCache]: Analyzing trace with hash 271710381, now seen corresponding path program 1 times [2024-11-23 18:47:15,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:47:15,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [189898508] [2024-11-23 18:47:15,744 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:47:15,744 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:47:15,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:47:15,746 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:47:15,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (48)] Waiting until timeout for monitored process [2024-11-23 18:47:16,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:47:16,166 INFO L256 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-23 18:47:16,168 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:47:16,439 INFO L349 Elim1Store]: treesize reduction 3, result has 75.0 percent of original size [2024-11-23 18:47:16,439 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 19 [2024-11-23 18:47:16,493 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-23 18:47:16,493 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:47:16,493 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:47:16,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [189898508] [2024-11-23 18:47:16,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [189898508] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:47:16,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:47:16,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 18:47:16,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473987100] [2024-11-23 18:47:16,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:47:16,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 18:47:16,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:47:16,498 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 18:47:16,498 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:47:16,498 INFO L87 Difference]: Start difference. First operand 2372 states and 2926 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:47:17,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:47:17,412 INFO L93 Difference]: Finished difference Result 4453 states and 5505 transitions. [2024-11-23 18:47:17,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 18:47:17,413 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 154 [2024-11-23 18:47:17,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:47:17,419 INFO L225 Difference]: With dead ends: 4453 [2024-11-23 18:47:17,419 INFO L226 Difference]: Without dead ends: 2141 [2024-11-23 18:47:17,421 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-23 18:47:17,422 INFO L435 NwaCegarLoop]: 162 mSDtfsCounter, 8 mSDsluCounter, 518 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 680 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-23 18:47:17,422 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 680 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-23 18:47:17,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2141 states. [2024-11-23 18:47:17,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2141 to 2141. [2024-11-23 18:47:17,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2141 states, 2076 states have (on average 1.2215799614643545) internal successors, (2536), 2081 states have internal predecessors, (2536), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-23 18:47:17,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2141 states to 2141 states and 2644 transitions. [2024-11-23 18:47:17,607 INFO L78 Accepts]: Start accepts. Automaton has 2141 states and 2644 transitions. Word has length 154 [2024-11-23 18:47:17,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:47:17,611 INFO L471 AbstractCegarLoop]: Abstraction has 2141 states and 2644 transitions. [2024-11-23 18:47:17,611 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:47:17,611 INFO L276 IsEmpty]: Start isEmpty. Operand 2141 states and 2644 transitions. [2024-11-23 18:47:17,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-23 18:47:17,614 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:47:17,615 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:47:17,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (48)] Ended with exit code 0 [2024-11-23 18:47:17,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 48 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:47:17,815 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:47:17,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:47:17,816 INFO L85 PathProgramCache]: Analyzing trace with hash 254531519, now seen corresponding path program 1 times [2024-11-23 18:47:17,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:47:17,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [353692008] [2024-11-23 18:47:17,817 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:47:17,817 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:47:17,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:47:17,819 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:47:17,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (49)] Waiting until timeout for monitored process [2024-11-23 18:47:18,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:47:18,340 INFO L256 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-23 18:47:18,342 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:47:18,485 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:47:18,485 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2024-11-23 18:47:18,530 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-23 18:47:18,530 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:47:18,530 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:47:18,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [353692008] [2024-11-23 18:47:18,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [353692008] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:47:18,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:47:18,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:47:18,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582603269] [2024-11-23 18:47:18,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:47:18,531 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:47:18,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:47:18,532 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:47:18,532 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:47:18,533 INFO L87 Difference]: Start difference. First operand 2141 states and 2644 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:47:19,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:47:19,235 INFO L93 Difference]: Finished difference Result 4222 states and 5205 transitions. [2024-11-23 18:47:19,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 18:47:19,236 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 154 [2024-11-23 18:47:19,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:47:19,241 INFO L225 Difference]: With dead ends: 4222 [2024-11-23 18:47:19,241 INFO L226 Difference]: Without dead ends: 2141 [2024-11-23 18:47:19,243 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:47:19,244 INFO L435 NwaCegarLoop]: 167 mSDtfsCounter, 7 mSDsluCounter, 404 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 571 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-23 18:47:19,244 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 571 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-23 18:47:19,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2141 states. [2024-11-23 18:47:19,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2141 to 2141. [2024-11-23 18:47:19,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2141 states, 2076 states have (on average 1.2129094412331407) internal successors, (2518), 2081 states have internal predecessors, (2518), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-23 18:47:19,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2141 states to 2141 states and 2626 transitions. [2024-11-23 18:47:19,443 INFO L78 Accepts]: Start accepts. Automaton has 2141 states and 2626 transitions. Word has length 154 [2024-11-23 18:47:19,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:47:19,443 INFO L471 AbstractCegarLoop]: Abstraction has 2141 states and 2626 transitions. [2024-11-23 18:47:19,443 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:47:19,443 INFO L276 IsEmpty]: Start isEmpty. Operand 2141 states and 2626 transitions. [2024-11-23 18:47:19,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-23 18:47:19,446 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:47:19,447 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:47:19,455 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (49)] Forceful destruction successful, exit code 0 [2024-11-23 18:47:19,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:47:19,647 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:47:19,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:47:19,648 INFO L85 PathProgramCache]: Analyzing trace with hash -254941571, now seen corresponding path program 1 times [2024-11-23 18:47:19,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:47:19,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [667276956] [2024-11-23 18:47:19,648 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:47:19,648 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:47:19,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:47:19,650 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:47:19,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (50)] Waiting until timeout for monitored process [2024-11-23 18:47:20,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:47:20,180 INFO L256 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-23 18:47:20,184 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:47:22,491 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 15 [2024-11-23 18:47:22,919 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:47:22,920 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 10 [2024-11-23 18:47:23,111 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-23 18:47:23,111 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:47:23,111 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:47:23,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [667276956] [2024-11-23 18:47:23,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [667276956] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:47:23,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:47:23,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-23 18:47:23,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320412013] [2024-11-23 18:47:23,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:47:23,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-23 18:47:23,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:47:23,113 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-23 18:47:23,113 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-23 18:47:23,113 INFO L87 Difference]: Start difference. First operand 2141 states and 2626 transitions. Second operand has 12 states, 12 states have (on average 6.0) internal successors, (72), 11 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:47:25,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:47:25,904 INFO L93 Difference]: Finished difference Result 5152 states and 6324 transitions. [2024-11-23 18:47:25,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 18:47:25,905 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.0) internal successors, (72), 11 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 154 [2024-11-23 18:47:25,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:47:25,911 INFO L225 Difference]: With dead ends: 5152 [2024-11-23 18:47:25,911 INFO L226 Difference]: Without dead ends: 3071 [2024-11-23 18:47:25,913 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2024-11-23 18:47:25,913 INFO L435 NwaCegarLoop]: 242 mSDtfsCounter, 212 mSDsluCounter, 1694 mSDsCounter, 0 mSdLazyCounter, 767 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 1936 SdHoareTripleChecker+Invalid, 767 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 767 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-23 18:47:25,914 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 1936 Invalid, 767 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 767 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-23 18:47:25,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3071 states. [2024-11-23 18:47:26,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3071 to 2834. [2024-11-23 18:47:26,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2834 states, 2769 states have (on average 1.214879017695919) internal successors, (3364), 2774 states have internal predecessors, (3364), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-23 18:47:26,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2834 states to 2834 states and 3472 transitions. [2024-11-23 18:47:26,105 INFO L78 Accepts]: Start accepts. Automaton has 2834 states and 3472 transitions. Word has length 154 [2024-11-23 18:47:26,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:47:26,105 INFO L471 AbstractCegarLoop]: Abstraction has 2834 states and 3472 transitions. [2024-11-23 18:47:26,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.0) internal successors, (72), 11 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:47:26,106 INFO L276 IsEmpty]: Start isEmpty. Operand 2834 states and 3472 transitions. [2024-11-23 18:47:26,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-23 18:47:26,109 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:47:26,110 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:47:26,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (50)] Forceful destruction successful, exit code 0 [2024-11-23 18:47:26,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:47:26,311 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:47:26,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:47:26,311 INFO L85 PathProgramCache]: Analyzing trace with hash -13378986, now seen corresponding path program 1 times [2024-11-23 18:47:26,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:47:26,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1216883900] [2024-11-23 18:47:26,312 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:47:26,312 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:47:26,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:47:26,314 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:47:26,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (51)] Waiting until timeout for monitored process [2024-11-23 18:47:26,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:47:26,942 INFO L256 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-23 18:47:26,945 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:47:31,021 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 19 [2024-11-23 18:47:31,498 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:47:31,498 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 11 [2024-11-23 18:47:31,542 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-23 18:47:31,542 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:47:31,542 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:47:31,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1216883900] [2024-11-23 18:47:31,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1216883900] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:47:31,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:47:31,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-23 18:47:31,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498526311] [2024-11-23 18:47:31,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:47:31,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 18:47:31,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:47:31,543 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 18:47:31,543 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-23 18:47:31,543 INFO L87 Difference]: Start difference. First operand 2834 states and 3472 transitions. Second operand has 9 states, 9 states have (on average 8.0) internal successors, (72), 8 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:47:33,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:47:33,302 INFO L93 Difference]: Finished difference Result 5827 states and 7140 transitions. [2024-11-23 18:47:33,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 18:47:33,302 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.0) internal successors, (72), 8 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 154 [2024-11-23 18:47:33,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:47:33,306 INFO L225 Difference]: With dead ends: 5827 [2024-11-23 18:47:33,306 INFO L226 Difference]: Without dead ends: 3053 [2024-11-23 18:47:33,308 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-23 18:47:33,308 INFO L435 NwaCegarLoop]: 176 mSDtfsCounter, 286 mSDsluCounter, 488 mSDsCounter, 0 mSdLazyCounter, 390 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 664 SdHoareTripleChecker+Invalid, 411 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-23 18:47:33,308 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 664 Invalid, 411 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 390 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-23 18:47:33,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3053 states. [2024-11-23 18:47:33,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3053 to 2852. [2024-11-23 18:47:33,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2852 states, 2787 states have (on average 1.2134912091855041) internal successors, (3382), 2792 states have internal predecessors, (3382), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-23 18:47:33,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2852 states to 2852 states and 3490 transitions. [2024-11-23 18:47:33,518 INFO L78 Accepts]: Start accepts. Automaton has 2852 states and 3490 transitions. Word has length 154 [2024-11-23 18:47:33,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:47:33,518 INFO L471 AbstractCegarLoop]: Abstraction has 2852 states and 3490 transitions. [2024-11-23 18:47:33,518 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.0) internal successors, (72), 8 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:47:33,519 INFO L276 IsEmpty]: Start isEmpty. Operand 2852 states and 3490 transitions. [2024-11-23 18:47:33,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-23 18:47:33,522 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:47:33,522 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:47:33,532 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (51)] Ended with exit code 0 [2024-11-23 18:47:33,723 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 51 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:47:33,723 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:47:33,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:47:33,723 INFO L85 PathProgramCache]: Analyzing trace with hash 651850204, now seen corresponding path program 1 times [2024-11-23 18:47:33,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:47:33,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1991784127] [2024-11-23 18:47:33,724 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:47:33,724 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:47:33,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:47:33,725 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:47:33,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (52)] Waiting until timeout for monitored process [2024-11-23 18:47:34,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:47:34,264 INFO L256 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-23 18:47:34,267 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:47:38,204 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 25 [2024-11-23 18:47:38,451 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-23 18:47:38,451 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:47:38,451 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:47:38,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1991784127] [2024-11-23 18:47:38,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1991784127] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:47:38,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:47:38,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-23 18:47:38,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741622600] [2024-11-23 18:47:38,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:47:38,452 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-23 18:47:38,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:47:38,453 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-23 18:47:38,453 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-23 18:47:38,453 INFO L87 Difference]: Start difference. First operand 2852 states and 3490 transitions. Second operand has 10 states, 10 states have (on average 7.2) internal successors, (72), 9 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:47:41,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:47:41,261 INFO L93 Difference]: Finished difference Result 5758 states and 7056 transitions. [2024-11-23 18:47:41,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 18:47:41,263 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.2) internal successors, (72), 9 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 154 [2024-11-23 18:47:41,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:47:41,265 INFO L225 Difference]: With dead ends: 5758 [2024-11-23 18:47:41,265 INFO L226 Difference]: Without dead ends: 2966 [2024-11-23 18:47:41,267 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-23 18:47:41,268 INFO L435 NwaCegarLoop]: 233 mSDtfsCounter, 211 mSDsluCounter, 797 mSDsCounter, 0 mSdLazyCounter, 771 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 1030 SdHoareTripleChecker+Invalid, 771 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 771 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-23 18:47:41,268 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [211 Valid, 1030 Invalid, 771 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 771 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-23 18:47:41,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2966 states. [2024-11-23 18:47:41,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2966 to 2765. [2024-11-23 18:47:41,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2765 states, 2700 states have (on average 1.2125925925925927) internal successors, (3274), 2705 states have internal predecessors, (3274), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-23 18:47:41,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2765 states to 2765 states and 3382 transitions. [2024-11-23 18:47:41,466 INFO L78 Accepts]: Start accepts. Automaton has 2765 states and 3382 transitions. Word has length 154 [2024-11-23 18:47:41,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:47:41,466 INFO L471 AbstractCegarLoop]: Abstraction has 2765 states and 3382 transitions. [2024-11-23 18:47:41,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.2) internal successors, (72), 9 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:47:41,467 INFO L276 IsEmpty]: Start isEmpty. Operand 2765 states and 3382 transitions. [2024-11-23 18:47:41,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-23 18:47:41,470 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:47:41,470 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:47:41,481 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (52)] Ended with exit code 0 [2024-11-23 18:47:41,671 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:47:41,671 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:47:41,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:47:41,672 INFO L85 PathProgramCache]: Analyzing trace with hash 366760837, now seen corresponding path program 1 times [2024-11-23 18:47:41,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:47:41,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1861599927] [2024-11-23 18:47:41,672 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:47:41,672 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:47:41,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:47:41,674 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:47:41,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (53)] Waiting until timeout for monitored process [2024-11-23 18:47:42,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:47:42,222 INFO L256 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-23 18:47:42,225 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:47:44,368 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 15 [2024-11-23 18:47:44,747 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:47:44,747 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 10 [2024-11-23 18:47:44,929 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-23 18:47:44,929 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:47:44,929 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:47:44,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1861599927] [2024-11-23 18:47:44,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1861599927] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:47:44,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:47:44,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-23 18:47:44,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054002986] [2024-11-23 18:47:44,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:47:44,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-23 18:47:44,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:47:44,930 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-23 18:47:44,930 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-23 18:47:44,931 INFO L87 Difference]: Start difference. First operand 2765 states and 3382 transitions. Second operand has 12 states, 12 states have (on average 6.0) internal successors, (72), 11 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:47:47,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:47:47,813 INFO L93 Difference]: Finished difference Result 5968 states and 7332 transitions. [2024-11-23 18:47:47,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 18:47:47,814 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.0) internal successors, (72), 11 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 154 [2024-11-23 18:47:47,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:47:47,817 INFO L225 Difference]: With dead ends: 5968 [2024-11-23 18:47:47,817 INFO L226 Difference]: Without dead ends: 3263 [2024-11-23 18:47:47,819 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2024-11-23 18:47:47,819 INFO L435 NwaCegarLoop]: 244 mSDtfsCounter, 217 mSDsluCounter, 1706 mSDsCounter, 0 mSdLazyCounter, 769 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 1950 SdHoareTripleChecker+Invalid, 769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 769 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-23 18:47:47,819 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 1950 Invalid, 769 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 769 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-23 18:47:47,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3263 states. [2024-11-23 18:47:47,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3263 to 3002. [2024-11-23 18:47:47,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3002 states, 2937 states have (on average 1.2189308818522302) internal successors, (3580), 2942 states have internal predecessors, (3580), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-23 18:47:47,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3002 states to 3002 states and 3688 transitions. [2024-11-23 18:47:47,950 INFO L78 Accepts]: Start accepts. Automaton has 3002 states and 3688 transitions. Word has length 154 [2024-11-23 18:47:47,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:47:47,951 INFO L471 AbstractCegarLoop]: Abstraction has 3002 states and 3688 transitions. [2024-11-23 18:47:47,951 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.0) internal successors, (72), 11 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:47:47,951 INFO L276 IsEmpty]: Start isEmpty. Operand 3002 states and 3688 transitions. [2024-11-23 18:47:47,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-23 18:47:47,955 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:47:47,955 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:47:47,965 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (53)] Ended with exit code 0 [2024-11-23 18:47:48,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 53 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:47:48,156 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:47:48,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:47:48,156 INFO L85 PathProgramCache]: Analyzing trace with hash -26266173, now seen corresponding path program 1 times [2024-11-23 18:47:48,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:47:48,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [452332085] [2024-11-23 18:47:48,157 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:47:48,157 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:47:48,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:47:48,158 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:47:48,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (54)] Waiting until timeout for monitored process [2024-11-23 18:47:48,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:47:48,636 INFO L256 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-23 18:47:48,638 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:47:48,784 INFO L349 Elim1Store]: treesize reduction 3, result has 75.0 percent of original size [2024-11-23 18:47:48,784 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 19 [2024-11-23 18:47:48,825 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-23 18:47:48,825 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:47:48,825 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:47:48,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [452332085] [2024-11-23 18:47:48,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [452332085] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:47:48,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:47:48,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:47:48,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783719233] [2024-11-23 18:47:48,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:47:48,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:47:48,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:47:48,826 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:47:48,826 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:47:48,827 INFO L87 Difference]: Start difference. First operand 3002 states and 3688 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:47:49,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:47:49,717 INFO L93 Difference]: Finished difference Result 6193 states and 7608 transitions. [2024-11-23 18:47:49,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 18:47:49,718 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 154 [2024-11-23 18:47:49,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:47:49,721 INFO L225 Difference]: With dead ends: 6193 [2024-11-23 18:47:49,721 INFO L226 Difference]: Without dead ends: 3251 [2024-11-23 18:47:49,724 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:47:49,724 INFO L435 NwaCegarLoop]: 189 mSDtfsCounter, 84 mSDsluCounter, 417 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 606 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-23 18:47:49,724 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 606 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-23 18:47:49,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3251 states. [2024-11-23 18:47:49,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3251 to 2984. [2024-11-23 18:47:49,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2984 states, 2919 states have (on average 1.210003425830764) internal successors, (3532), 2924 states have internal predecessors, (3532), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-23 18:47:49,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2984 states to 2984 states and 3640 transitions. [2024-11-23 18:47:49,860 INFO L78 Accepts]: Start accepts. Automaton has 2984 states and 3640 transitions. Word has length 154 [2024-11-23 18:47:49,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:47:49,861 INFO L471 AbstractCegarLoop]: Abstraction has 2984 states and 3640 transitions. [2024-11-23 18:47:49,861 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:47:49,861 INFO L276 IsEmpty]: Start isEmpty. Operand 2984 states and 3640 transitions. [2024-11-23 18:47:49,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-23 18:47:49,863 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:47:49,863 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:47:49,869 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (54)] Ended with exit code 0 [2024-11-23 18:47:50,063 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 54 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:47:50,064 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:47:50,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:47:50,064 INFO L85 PathProgramCache]: Analyzing trace with hash 215296412, now seen corresponding path program 1 times [2024-11-23 18:47:50,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:47:50,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [178743797] [2024-11-23 18:47:50,065 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:47:50,065 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:47:50,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:47:50,067 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:47:50,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (55)] Waiting until timeout for monitored process [2024-11-23 18:47:50,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:47:50,661 INFO L256 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-23 18:47:50,664 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:47:54,808 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 19 [2024-11-23 18:47:55,231 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:47:55,231 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 11 [2024-11-23 18:47:55,274 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-23 18:47:55,274 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:47:55,274 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:47:55,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [178743797] [2024-11-23 18:47:55,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [178743797] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:47:55,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:47:55,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-23 18:47:55,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367796834] [2024-11-23 18:47:55,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:47:55,275 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 18:47:55,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:47:55,276 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 18:47:55,276 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-23 18:47:55,276 INFO L87 Difference]: Start difference. First operand 2984 states and 3640 transitions. Second operand has 9 states, 9 states have (on average 8.0) internal successors, (72), 8 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:47:57,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:47:57,465 INFO L93 Difference]: Finished difference Result 6217 states and 7602 transitions. [2024-11-23 18:47:57,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 18:47:57,466 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.0) internal successors, (72), 8 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 154 [2024-11-23 18:47:57,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:47:57,469 INFO L225 Difference]: With dead ends: 6217 [2024-11-23 18:47:57,469 INFO L226 Difference]: Without dead ends: 3293 [2024-11-23 18:47:57,472 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-23 18:47:57,472 INFO L435 NwaCegarLoop]: 177 mSDtfsCounter, 302 mSDsluCounter, 611 mSDsCounter, 0 mSdLazyCounter, 526 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 302 SdHoareTripleChecker+Valid, 788 SdHoareTripleChecker+Invalid, 547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-23 18:47:57,472 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [302 Valid, 788 Invalid, 547 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 526 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-23 18:47:57,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3293 states. [2024-11-23 18:47:57,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3293 to 3020. [2024-11-23 18:47:57,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3020 states, 2955 states have (on average 1.2115059221658206) internal successors, (3580), 2960 states have internal predecessors, (3580), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-23 18:47:57,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3020 states to 3020 states and 3688 transitions. [2024-11-23 18:47:57,613 INFO L78 Accepts]: Start accepts. Automaton has 3020 states and 3688 transitions. Word has length 154 [2024-11-23 18:47:57,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:47:57,613 INFO L471 AbstractCegarLoop]: Abstraction has 3020 states and 3688 transitions. [2024-11-23 18:47:57,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.0) internal successors, (72), 8 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:47:57,614 INFO L276 IsEmpty]: Start isEmpty. Operand 3020 states and 3688 transitions. [2024-11-23 18:47:57,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-23 18:47:57,617 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:47:57,617 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:47:57,625 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (55)] Ended with exit code 0 [2024-11-23 18:47:57,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 55 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:47:57,817 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:47:57,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:47:57,818 INFO L85 PathProgramCache]: Analyzing trace with hash 231899265, now seen corresponding path program 1 times [2024-11-23 18:47:57,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:47:57,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2013535527] [2024-11-23 18:47:57,818 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:47:57,818 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:47:57,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:47:57,820 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:47:57,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (56)] Waiting until timeout for monitored process [2024-11-23 18:47:58,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:47:58,361 INFO L256 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-23 18:47:58,363 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:48:02,023 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 18 [2024-11-23 18:48:02,433 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:48:02,433 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 10 [2024-11-23 18:48:02,465 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-23 18:48:02,465 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:48:02,465 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:48:02,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2013535527] [2024-11-23 18:48:02,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2013535527] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:48:02,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:48:02,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 18:48:02,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314537770] [2024-11-23 18:48:02,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:48:02,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 18:48:02,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:48:02,466 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 18:48:02,467 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-23 18:48:02,467 INFO L87 Difference]: Start difference. First operand 3020 states and 3688 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 6 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:48:03,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:48:03,996 INFO L93 Difference]: Finished difference Result 6226 states and 7602 transitions. [2024-11-23 18:48:03,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 18:48:03,996 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 6 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 154 [2024-11-23 18:48:03,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:48:04,000 INFO L225 Difference]: With dead ends: 6226 [2024-11-23 18:48:04,000 INFO L226 Difference]: Without dead ends: 3266 [2024-11-23 18:48:04,002 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-23 18:48:04,002 INFO L435 NwaCegarLoop]: 188 mSDtfsCounter, 211 mSDsluCounter, 473 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 661 SdHoareTripleChecker+Invalid, 371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-23 18:48:04,002 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [211 Valid, 661 Invalid, 371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-23 18:48:04,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3266 states. [2024-11-23 18:48:04,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3266 to 2798. [2024-11-23 18:48:04,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2798 states, 2733 states have (on average 1.19465788510794) internal successors, (3265), 2738 states have internal predecessors, (3265), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-23 18:48:04,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2798 states to 2798 states and 3373 transitions. [2024-11-23 18:48:04,176 INFO L78 Accepts]: Start accepts. Automaton has 2798 states and 3373 transitions. Word has length 154 [2024-11-23 18:48:04,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:48:04,176 INFO L471 AbstractCegarLoop]: Abstraction has 2798 states and 3373 transitions. [2024-11-23 18:48:04,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 6 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:48:04,176 INFO L276 IsEmpty]: Start isEmpty. Operand 2798 states and 3373 transitions. [2024-11-23 18:48:04,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-23 18:48:04,179 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:48:04,179 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:48:04,189 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (56)] Ended with exit code 0 [2024-11-23 18:48:04,379 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 56 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:48:04,379 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:48:04,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:48:04,380 INFO L85 PathProgramCache]: Analyzing trace with hash -142712253, now seen corresponding path program 1 times [2024-11-23 18:48:04,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:48:04,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1081434187] [2024-11-23 18:48:04,380 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:48:04,381 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:48:04,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:48:04,382 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:48:04,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (57)] Waiting until timeout for monitored process [2024-11-23 18:48:04,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:48:04,836 INFO L256 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-23 18:48:04,838 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:48:04,933 INFO L349 Elim1Store]: treesize reduction 3, result has 75.0 percent of original size [2024-11-23 18:48:04,934 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 19 [2024-11-23 18:48:04,963 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-23 18:48:04,963 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:48:04,963 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:48:04,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1081434187] [2024-11-23 18:48:04,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1081434187] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:48:04,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:48:04,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:48:04,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599500192] [2024-11-23 18:48:04,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:48:04,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:48:04,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:48:04,964 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:48:04,964 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:48:04,964 INFO L87 Difference]: Start difference. First operand 2798 states and 3373 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:48:05,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:48:05,879 INFO L93 Difference]: Finished difference Result 5307 states and 6401 transitions. [2024-11-23 18:48:05,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 18:48:05,880 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 154 [2024-11-23 18:48:05,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:48:05,884 INFO L225 Difference]: With dead ends: 5307 [2024-11-23 18:48:05,885 INFO L226 Difference]: Without dead ends: 2569 [2024-11-23 18:48:05,887 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:48:05,888 INFO L435 NwaCegarLoop]: 173 mSDtfsCounter, 64 mSDsluCounter, 390 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 563 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-23 18:48:05,888 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 563 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-23 18:48:05,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2569 states. [2024-11-23 18:48:06,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 2567. [2024-11-23 18:48:06,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2567 states, 2502 states have (on average 1.19224620303757) internal successors, (2983), 2507 states have internal predecessors, (2983), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-23 18:48:06,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2567 states to 2567 states and 3091 transitions. [2024-11-23 18:48:06,050 INFO L78 Accepts]: Start accepts. Automaton has 2567 states and 3091 transitions. Word has length 154 [2024-11-23 18:48:06,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:48:06,050 INFO L471 AbstractCegarLoop]: Abstraction has 2567 states and 3091 transitions. [2024-11-23 18:48:06,050 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:48:06,050 INFO L276 IsEmpty]: Start isEmpty. Operand 2567 states and 3091 transitions. [2024-11-23 18:48:06,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-23 18:48:06,052 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:48:06,052 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:48:06,059 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (57)] Ended with exit code 0 [2024-11-23 18:48:06,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 57 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:48:06,252 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:48:06,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:48:06,253 INFO L85 PathProgramCache]: Analyzing trace with hash 304907410, now seen corresponding path program 1 times [2024-11-23 18:48:06,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:48:06,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1474772026] [2024-11-23 18:48:06,253 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:48:06,253 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:48:06,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:48:06,255 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:48:06,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (58)] Waiting until timeout for monitored process [2024-11-23 18:48:06,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:48:06,807 INFO L256 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-23 18:48:06,809 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:48:10,919 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 23 [2024-11-23 18:48:11,499 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:48:11,500 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 15 [2024-11-23 18:48:11,571 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-23 18:48:11,571 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:48:11,571 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:48:11,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1474772026] [2024-11-23 18:48:11,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1474772026] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:48:11,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:48:11,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-23 18:48:11,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781156125] [2024-11-23 18:48:11,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:48:11,572 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-23 18:48:11,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:48:11,572 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-23 18:48:11,572 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-23 18:48:11,572 INFO L87 Difference]: Start difference. First operand 2567 states and 3091 transitions. Second operand has 8 states, 8 states have (on average 9.0) internal successors, (72), 7 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:48:14,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:48:14,176 INFO L93 Difference]: Finished difference Result 5221 states and 6279 transitions. [2024-11-23 18:48:14,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 18:48:14,177 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 7 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 154 [2024-11-23 18:48:14,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:48:14,179 INFO L225 Difference]: With dead ends: 5221 [2024-11-23 18:48:14,180 INFO L226 Difference]: Without dead ends: 2714 [2024-11-23 18:48:14,181 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-23 18:48:14,181 INFO L435 NwaCegarLoop]: 183 mSDtfsCounter, 303 mSDsluCounter, 504 mSDsCounter, 0 mSdLazyCounter, 418 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 303 SdHoareTripleChecker+Valid, 687 SdHoareTripleChecker+Invalid, 439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 418 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-23 18:48:14,181 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [303 Valid, 687 Invalid, 439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 418 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-23 18:48:14,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2714 states. [2024-11-23 18:48:14,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2714 to 2489. [2024-11-23 18:48:14,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2489 states, 2424 states have (on average 1.1786303630363035) internal successors, (2857), 2429 states have internal predecessors, (2857), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-23 18:48:14,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2489 states to 2489 states and 2965 transitions. [2024-11-23 18:48:14,309 INFO L78 Accepts]: Start accepts. Automaton has 2489 states and 2965 transitions. Word has length 154 [2024-11-23 18:48:14,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:48:14,309 INFO L471 AbstractCegarLoop]: Abstraction has 2489 states and 2965 transitions. [2024-11-23 18:48:14,309 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 7 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:48:14,309 INFO L276 IsEmpty]: Start isEmpty. Operand 2489 states and 2965 transitions. [2024-11-23 18:48:14,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-23 18:48:14,311 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:48:14,311 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:48:14,318 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (58)] Ended with exit code 0 [2024-11-23 18:48:14,511 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 58 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:48:14,512 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:48:14,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:48:14,512 INFO L85 PathProgramCache]: Analyzing trace with hash -706209840, now seen corresponding path program 1 times [2024-11-23 18:48:14,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:48:14,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [768198941] [2024-11-23 18:48:14,513 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:48:14,513 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:48:14,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:48:14,515 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:48:14,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (59)] Waiting until timeout for monitored process [2024-11-23 18:48:15,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:48:15,261 INFO L256 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-23 18:48:15,265 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:48:19,322 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 18 [2024-11-23 18:48:19,703 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:48:19,703 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 10 [2024-11-23 18:48:19,741 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-23 18:48:19,741 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:48:19,741 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:48:19,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [768198941] [2024-11-23 18:48:19,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [768198941] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:48:19,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:48:19,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-23 18:48:19,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880233643] [2024-11-23 18:48:19,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:48:19,742 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 18:48:19,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:48:19,742 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 18:48:19,742 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-23 18:48:19,743 INFO L87 Difference]: Start difference. First operand 2489 states and 2965 transitions. Second operand has 9 states, 9 states have (on average 8.0) internal successors, (72), 8 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:48:22,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:48:22,193 INFO L93 Difference]: Finished difference Result 5113 states and 6108 transitions. [2024-11-23 18:48:22,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 18:48:22,194 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.0) internal successors, (72), 8 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 154 [2024-11-23 18:48:22,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:48:22,197 INFO L225 Difference]: With dead ends: 5113 [2024-11-23 18:48:22,197 INFO L226 Difference]: Without dead ends: 2684 [2024-11-23 18:48:22,199 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-23 18:48:22,200 INFO L435 NwaCegarLoop]: 233 mSDtfsCounter, 207 mSDsluCounter, 864 mSDsCounter, 0 mSdLazyCounter, 672 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 1097 SdHoareTripleChecker+Invalid, 673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 672 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-23 18:48:22,200 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 1097 Invalid, 673 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 672 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-23 18:48:22,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2684 states. [2024-11-23 18:48:22,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2684 to 2483. [2024-11-23 18:48:22,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2483 states, 2418 states have (on average 1.1765922249793217) internal successors, (2845), 2423 states have internal predecessors, (2845), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-23 18:48:22,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2483 states to 2483 states and 2953 transitions. [2024-11-23 18:48:22,343 INFO L78 Accepts]: Start accepts. Automaton has 2483 states and 2953 transitions. Word has length 154 [2024-11-23 18:48:22,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:48:22,343 INFO L471 AbstractCegarLoop]: Abstraction has 2483 states and 2953 transitions. [2024-11-23 18:48:22,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.0) internal successors, (72), 8 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:48:22,343 INFO L276 IsEmpty]: Start isEmpty. Operand 2483 states and 2953 transitions. [2024-11-23 18:48:22,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-23 18:48:22,345 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:48:22,345 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:48:22,352 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (59)] Forceful destruction successful, exit code 0 [2024-11-23 18:48:22,545 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 59 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:48:22,545 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:48:22,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:48:22,546 INFO L85 PathProgramCache]: Analyzing trace with hash -464647255, now seen corresponding path program 1 times [2024-11-23 18:48:22,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:48:22,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [887565509] [2024-11-23 18:48:22,546 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:48:22,546 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:48:22,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:48:22,548 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:48:22,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (60)] Waiting until timeout for monitored process [2024-11-23 18:48:23,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:48:23,052 INFO L256 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-23 18:48:23,054 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:48:23,149 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:48:23,149 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2024-11-23 18:48:23,184 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-23 18:48:23,184 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:48:23,184 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:48:23,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [887565509] [2024-11-23 18:48:23,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [887565509] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:48:23,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:48:23,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:48:23,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444553541] [2024-11-23 18:48:23,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:48:23,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:48:23,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:48:23,185 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:48:23,185 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:48:23,185 INFO L87 Difference]: Start difference. First operand 2483 states and 2953 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:48:24,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:48:24,004 INFO L93 Difference]: Finished difference Result 5131 states and 6105 transitions. [2024-11-23 18:48:24,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 18:48:24,005 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 154 [2024-11-23 18:48:24,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:48:24,008 INFO L225 Difference]: With dead ends: 5131 [2024-11-23 18:48:24,008 INFO L226 Difference]: Without dead ends: 2708 [2024-11-23 18:48:24,009 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:48:24,009 INFO L435 NwaCegarLoop]: 189 mSDtfsCounter, 85 mSDsluCounter, 417 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 606 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-23 18:48:24,009 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 606 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-23 18:48:24,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2708 states. [2024-11-23 18:48:24,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2708 to 2483. [2024-11-23 18:48:24,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2483 states, 2418 states have (on average 1.174110835401158) internal successors, (2839), 2423 states have internal predecessors, (2839), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-23 18:48:24,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2483 states to 2483 states and 2947 transitions. [2024-11-23 18:48:24,162 INFO L78 Accepts]: Start accepts. Automaton has 2483 states and 2947 transitions. Word has length 154 [2024-11-23 18:48:24,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:48:24,162 INFO L471 AbstractCegarLoop]: Abstraction has 2483 states and 2947 transitions. [2024-11-23 18:48:24,162 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:48:24,162 INFO L276 IsEmpty]: Start isEmpty. Operand 2483 states and 2947 transitions. [2024-11-23 18:48:24,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-23 18:48:24,163 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:48:24,164 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:48:24,170 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (60)] Ended with exit code 0 [2024-11-23 18:48:24,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 60 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:48:24,364 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:48:24,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:48:24,365 INFO L85 PathProgramCache]: Analyzing trace with hash -857674265, now seen corresponding path program 1 times [2024-11-23 18:48:24,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:48:24,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [111419873] [2024-11-23 18:48:24,365 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:48:24,365 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:48:24,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:48:24,367 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:48:24,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (61)] Waiting until timeout for monitored process [2024-11-23 18:48:25,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:48:25,023 INFO L256 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-23 18:48:25,025 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:48:27,040 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 15 [2024-11-23 18:48:27,466 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:48:27,466 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 10 [2024-11-23 18:48:27,668 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-23 18:48:27,668 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:48:27,668 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:48:27,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [111419873] [2024-11-23 18:48:27,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [111419873] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:48:27,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:48:27,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-23 18:48:27,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371858241] [2024-11-23 18:48:27,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:48:27,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-23 18:48:27,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:48:27,669 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-23 18:48:27,670 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-23 18:48:27,670 INFO L87 Difference]: Start difference. First operand 2483 states and 2947 transitions. Second operand has 12 states, 12 states have (on average 6.0) internal successors, (72), 11 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:48:30,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:48:30,413 INFO L93 Difference]: Finished difference Result 5137 states and 6108 transitions. [2024-11-23 18:48:30,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 18:48:30,414 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.0) internal successors, (72), 11 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 154 [2024-11-23 18:48:30,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:48:30,416 INFO L225 Difference]: With dead ends: 5137 [2024-11-23 18:48:30,416 INFO L226 Difference]: Without dead ends: 2714 [2024-11-23 18:48:30,418 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2024-11-23 18:48:30,418 INFO L435 NwaCegarLoop]: 187 mSDtfsCounter, 206 mSDsluCounter, 1317 mSDsCounter, 0 mSdLazyCounter, 709 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 1504 SdHoareTripleChecker+Invalid, 710 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 709 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-23 18:48:30,419 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 1504 Invalid, 710 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 709 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-23 18:48:30,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2714 states. [2024-11-23 18:48:30,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2714 to 2489. [2024-11-23 18:48:30,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2489 states, 2424 states have (on average 1.1736798679867986) internal successors, (2845), 2429 states have internal predecessors, (2845), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-23 18:48:30,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2489 states to 2489 states and 2953 transitions. [2024-11-23 18:48:30,560 INFO L78 Accepts]: Start accepts. Automaton has 2489 states and 2953 transitions. Word has length 154 [2024-11-23 18:48:30,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:48:30,560 INFO L471 AbstractCegarLoop]: Abstraction has 2489 states and 2953 transitions. [2024-11-23 18:48:30,560 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.0) internal successors, (72), 11 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:48:30,560 INFO L276 IsEmpty]: Start isEmpty. Operand 2489 states and 2953 transitions. [2024-11-23 18:48:30,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-23 18:48:30,562 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:48:30,562 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:48:30,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (61)] Ended with exit code 0 [2024-11-23 18:48:30,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 61 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:48:30,762 INFO L396 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:48:30,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:48:30,763 INFO L85 PathProgramCache]: Analyzing trace with hash -1142763632, now seen corresponding path program 1 times [2024-11-23 18:48:30,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:48:30,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [382470850] [2024-11-23 18:48:30,763 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:48:30,763 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:48:30,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:48:30,765 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:48:30,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (62)] Waiting until timeout for monitored process [2024-11-23 18:48:31,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:48:31,532 INFO L256 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-23 18:48:31,537 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:48:35,966 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 19 [2024-11-23 18:48:36,428 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:48:36,428 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 11 [2024-11-23 18:48:36,473 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-23 18:48:36,473 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:48:36,473 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:48:36,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [382470850] [2024-11-23 18:48:36,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [382470850] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:48:36,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:48:36,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-23 18:48:36,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978427588] [2024-11-23 18:48:36,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:48:36,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 18:48:36,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:48:36,475 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 18:48:36,475 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-23 18:48:36,475 INFO L87 Difference]: Start difference. First operand 2489 states and 2953 transitions. Second operand has 9 states, 9 states have (on average 8.0) internal successors, (72), 8 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:48:38,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:48:38,572 INFO L93 Difference]: Finished difference Result 5119 states and 6078 transitions. [2024-11-23 18:48:38,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 18:48:38,573 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.0) internal successors, (72), 8 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 154 [2024-11-23 18:48:38,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:48:38,576 INFO L225 Difference]: With dead ends: 5119 [2024-11-23 18:48:38,576 INFO L226 Difference]: Without dead ends: 2690 [2024-11-23 18:48:38,577 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-23 18:48:38,578 INFO L435 NwaCegarLoop]: 179 mSDtfsCounter, 298 mSDsluCounter, 495 mSDsCounter, 0 mSdLazyCounter, 422 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 674 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 422 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-23 18:48:38,578 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [298 Valid, 674 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 422 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-23 18:48:38,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2690 states. [2024-11-23 18:48:38,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2690 to 2471. [2024-11-23 18:48:38,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2471 states, 2406 states have (on average 1.1724854530340814) internal successors, (2821), 2411 states have internal predecessors, (2821), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-23 18:48:38,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2471 states to 2471 states and 2929 transitions. [2024-11-23 18:48:38,733 INFO L78 Accepts]: Start accepts. Automaton has 2471 states and 2929 transitions. Word has length 154 [2024-11-23 18:48:38,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:48:38,734 INFO L471 AbstractCegarLoop]: Abstraction has 2471 states and 2929 transitions. [2024-11-23 18:48:38,734 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.0) internal successors, (72), 8 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:48:38,734 INFO L276 IsEmpty]: Start isEmpty. Operand 2471 states and 2929 transitions. [2024-11-23 18:48:38,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-23 18:48:38,736 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:48:38,736 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:48:38,745 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (62)] Ended with exit code 0 [2024-11-23 18:48:38,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 62 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:48:38,936 INFO L396 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:48:38,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:48:38,937 INFO L85 PathProgramCache]: Analyzing trace with hash -593980522, now seen corresponding path program 1 times [2024-11-23 18:48:38,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:48:38,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1167666316] [2024-11-23 18:48:38,938 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:48:38,938 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:48:38,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:48:38,940 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:48:38,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (63)] Waiting until timeout for monitored process [2024-11-23 18:48:39,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:48:39,630 INFO L256 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-23 18:48:39,634 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:48:44,378 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 25 [2024-11-23 18:48:44,659 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-23 18:48:44,659 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:48:44,659 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:48:44,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1167666316] [2024-11-23 18:48:44,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1167666316] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:48:44,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:48:44,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-23 18:48:44,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846253956] [2024-11-23 18:48:44,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:48:44,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-23 18:48:44,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:48:44,660 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-23 18:48:44,660 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-23 18:48:44,661 INFO L87 Difference]: Start difference. First operand 2471 states and 2929 transitions. Second operand has 10 states, 10 states have (on average 7.2) internal successors, (72), 9 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:48:47,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:48:47,223 INFO L93 Difference]: Finished difference Result 4990 states and 5931 transitions. [2024-11-23 18:48:47,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 18:48:47,224 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.2) internal successors, (72), 9 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 154 [2024-11-23 18:48:47,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:48:47,227 INFO L225 Difference]: With dead ends: 4990 [2024-11-23 18:48:47,227 INFO L226 Difference]: Without dead ends: 2579 [2024-11-23 18:48:47,228 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-23 18:48:47,229 INFO L435 NwaCegarLoop]: 234 mSDtfsCounter, 295 mSDsluCounter, 626 mSDsCounter, 0 mSdLazyCounter, 599 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 860 SdHoareTripleChecker+Invalid, 617 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 599 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-23 18:48:47,229 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [295 Valid, 860 Invalid, 617 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 599 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-23 18:48:47,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2579 states. [2024-11-23 18:48:47,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2579 to 2381. [2024-11-23 18:48:47,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2381 states, 2316 states have (on average 1.1727115716753023) internal successors, (2716), 2321 states have internal predecessors, (2716), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-23 18:48:47,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2381 states to 2381 states and 2824 transitions. [2024-11-23 18:48:47,395 INFO L78 Accepts]: Start accepts. Automaton has 2381 states and 2824 transitions. Word has length 154 [2024-11-23 18:48:47,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:48:47,395 INFO L471 AbstractCegarLoop]: Abstraction has 2381 states and 2824 transitions. [2024-11-23 18:48:47,395 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.2) internal successors, (72), 9 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:48:47,395 INFO L276 IsEmpty]: Start isEmpty. Operand 2381 states and 2824 transitions. [2024-11-23 18:48:47,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-23 18:48:47,397 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:48:47,397 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:48:47,406 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (63)] Ended with exit code 0 [2024-11-23 18:48:47,598 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 63 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:48:47,599 INFO L396 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:48:47,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:48:47,599 INFO L85 PathProgramCache]: Analyzing trace with hash -914088234, now seen corresponding path program 1 times [2024-11-23 18:48:47,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:48:47,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1450883041] [2024-11-23 18:48:47,600 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:48:47,600 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:48:47,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:48:47,605 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:48:47,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (64)] Waiting until timeout for monitored process [2024-11-23 18:48:48,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:48:48,304 INFO L256 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-23 18:48:48,308 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:48:52,559 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 19 [2024-11-23 18:48:53,012 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:48:53,013 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 11 [2024-11-23 18:48:53,057 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-23 18:48:53,058 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:48:53,058 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:48:53,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1450883041] [2024-11-23 18:48:53,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1450883041] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:48:53,058 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:48:53,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-23 18:48:53,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671747880] [2024-11-23 18:48:53,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:48:53,059 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 18:48:53,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:48:53,059 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 18:48:53,059 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-23 18:48:53,059 INFO L87 Difference]: Start difference. First operand 2381 states and 2824 transitions. Second operand has 9 states, 9 states have (on average 8.0) internal successors, (72), 8 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:48:55,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:48:55,808 INFO L93 Difference]: Finished difference Result 4879 states and 5793 transitions. [2024-11-23 18:48:55,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 18:48:55,809 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.0) internal successors, (72), 8 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 154 [2024-11-23 18:48:55,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:48:55,812 INFO L225 Difference]: With dead ends: 4879 [2024-11-23 18:48:55,812 INFO L226 Difference]: Without dead ends: 2558 [2024-11-23 18:48:55,814 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-23 18:48:55,814 INFO L435 NwaCegarLoop]: 179 mSDtfsCounter, 222 mSDsluCounter, 701 mSDsCounter, 0 mSdLazyCounter, 632 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 880 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-23 18:48:55,814 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 880 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 632 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-23 18:48:55,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2558 states. [2024-11-23 18:48:56,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2558 to 2339. [2024-11-23 18:48:56,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2339 states, 2274 states have (on average 1.1719437115215479) internal successors, (2665), 2279 states have internal predecessors, (2665), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-23 18:48:56,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2339 states to 2339 states and 2773 transitions. [2024-11-23 18:48:56,034 INFO L78 Accepts]: Start accepts. Automaton has 2339 states and 2773 transitions. Word has length 154 [2024-11-23 18:48:56,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:48:56,034 INFO L471 AbstractCegarLoop]: Abstraction has 2339 states and 2773 transitions. [2024-11-23 18:48:56,035 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.0) internal successors, (72), 8 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:48:56,035 INFO L276 IsEmpty]: Start isEmpty. Operand 2339 states and 2773 transitions. [2024-11-23 18:48:56,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-23 18:48:56,036 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:48:56,037 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:48:56,045 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (64)] Ended with exit code 0 [2024-11-23 18:48:56,237 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 64 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:48:56,237 INFO L396 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:48:56,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:48:56,238 INFO L85 PathProgramCache]: Analyzing trace with hash -1113598054, now seen corresponding path program 1 times [2024-11-23 18:48:56,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:48:56,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [570757253] [2024-11-23 18:48:56,238 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:48:56,238 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:48:56,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:48:56,241 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:48:56,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (65)] Waiting until timeout for monitored process [2024-11-23 18:48:56,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:48:56,929 INFO L256 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-23 18:48:56,932 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:48:57,071 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-23 18:48:57,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 18:48:57,812 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 32 [2024-11-23 18:48:58,182 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 32 [2024-11-23 18:49:00,817 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 34 [2024-11-23 18:49:00,952 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2024-11-23 18:49:00,952 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 18:49:17,790 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:49:17,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [570757253] [2024-11-23 18:49:17,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [570757253] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:49:17,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [752161231] [2024-11-23 18:49:17,790 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:49:17,790 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-23 18:49:17,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-23 18:49:17,793 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-23 18:49:17,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2024-11-23 18:49:19,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:49:19,723 INFO L256 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-23 18:49:19,727 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:49:23,964 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-23 18:49:25,256 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 15 [2024-11-23 18:49:26,882 INFO L349 Elim1Store]: treesize reduction 6, result has 76.0 percent of original size [2024-11-23 18:49:26,883 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 37 treesize of output 31 [2024-11-23 18:49:27,116 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2024-11-23 18:49:27,116 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 18:49:30,330 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-23 18:49:30,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [752161231] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-23 18:49:30,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-23 18:49:30,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [8, 10] total 24 [2024-11-23 18:49:30,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787249326] [2024-11-23 18:49:30,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:49:30,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 18:49:30,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:49:30,331 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 18:49:30,332 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=629, Unknown=0, NotChecked=0, Total=702 [2024-11-23 18:49:30,332 INFO L87 Difference]: Start difference. First operand 2339 states and 2773 transitions. Second operand has 9 states, 9 states have (on average 8.11111111111111) internal successors, (73), 9 states have internal predecessors, (73), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:49:37,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:49:37,446 INFO L93 Difference]: Finished difference Result 4972 states and 5919 transitions. [2024-11-23 18:49:37,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 18:49:37,447 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.11111111111111) internal successors, (73), 9 states have internal predecessors, (73), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 155 [2024-11-23 18:49:37,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:49:37,450 INFO L225 Difference]: With dead ends: 4972 [2024-11-23 18:49:37,450 INFO L226 Difference]: Without dead ends: 2693 [2024-11-23 18:49:37,452 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 601 GetRequests, 571 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 14.5s TimeCoverageRelationStatistics Valid=101, Invalid=829, Unknown=0, NotChecked=0, Total=930 [2024-11-23 18:49:37,452 INFO L435 NwaCegarLoop]: 268 mSDtfsCounter, 256 mSDsluCounter, 1035 mSDsCounter, 0 mSdLazyCounter, 561 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 256 SdHoareTripleChecker+Valid, 1303 SdHoareTripleChecker+Invalid, 598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 561 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2024-11-23 18:49:37,452 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [256 Valid, 1303 Invalid, 598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 561 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2024-11-23 18:49:37,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2693 states. [2024-11-23 18:49:37,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2693 to 2336. [2024-11-23 18:49:37,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2336 states, 2271 states have (on average 1.1708498458828709) internal successors, (2659), 2276 states have internal predecessors, (2659), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-23 18:49:37,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2336 states to 2336 states and 2767 transitions. [2024-11-23 18:49:37,683 INFO L78 Accepts]: Start accepts. Automaton has 2336 states and 2767 transitions. Word has length 155 [2024-11-23 18:49:37,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:49:37,684 INFO L471 AbstractCegarLoop]: Abstraction has 2336 states and 2767 transitions. [2024-11-23 18:49:37,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.11111111111111) internal successors, (73), 9 states have internal predecessors, (73), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:49:37,684 INFO L276 IsEmpty]: Start isEmpty. Operand 2336 states and 2767 transitions. [2024-11-23 18:49:37,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-23 18:49:37,687 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:49:37,687 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:49:37,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2024-11-23 18:49:37,896 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (65)] Ended with exit code 0 [2024-11-23 18:49:38,088 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 66 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt,65 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:49:38,088 INFO L396 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:49:38,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:49:38,089 INFO L85 PathProgramCache]: Analyzing trace with hash -810898468, now seen corresponding path program 1 times [2024-11-23 18:49:38,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:49:38,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [785767986] [2024-11-23 18:49:38,089 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:49:38,089 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:49:38,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:49:38,091 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:49:38,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (67)] Waiting until timeout for monitored process [2024-11-23 18:49:38,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:49:38,806 INFO L256 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-23 18:49:38,809 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:49:38,921 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-23 18:49:39,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 18:49:39,710 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 32 [2024-11-23 18:49:40,089 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 32 [2024-11-23 18:49:42,844 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 34 [2024-11-23 18:49:42,988 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2024-11-23 18:49:42,988 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 18:49:59,083 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:49:59,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [785767986] [2024-11-23 18:49:59,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [785767986] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:49:59,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [788484650] [2024-11-23 18:49:59,084 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:49:59,084 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-23 18:49:59,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-23 18:49:59,086 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-23 18:49:59,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2024-11-23 18:50:00,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:50:00,954 INFO L256 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-23 18:50:00,958 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:50:05,135 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-23 18:50:06,578 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 15 [2024-11-23 18:50:08,173 INFO L349 Elim1Store]: treesize reduction 6, result has 76.0 percent of original size [2024-11-23 18:50:08,174 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 37 treesize of output 31 [2024-11-23 18:50:08,513 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2024-11-23 18:50:08,513 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 18:50:11,724 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-23 18:50:11,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [788484650] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-23 18:50:11,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-23 18:50:11,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [8, 10] total 24 [2024-11-23 18:50:11,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80369133] [2024-11-23 18:50:11,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:50:11,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 18:50:11,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:50:11,726 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 18:50:11,726 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=629, Unknown=0, NotChecked=0, Total=702 [2024-11-23 18:50:11,726 INFO L87 Difference]: Start difference. First operand 2336 states and 2767 transitions. Second operand has 9 states, 9 states have (on average 8.11111111111111) internal successors, (73), 9 states have internal predecessors, (73), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:50:19,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:50:19,044 INFO L93 Difference]: Finished difference Result 4948 states and 5886 transitions. [2024-11-23 18:50:19,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 18:50:19,046 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.11111111111111) internal successors, (73), 9 states have internal predecessors, (73), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 155 [2024-11-23 18:50:19,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:50:19,048 INFO L225 Difference]: With dead ends: 4948 [2024-11-23 18:50:19,048 INFO L226 Difference]: Without dead ends: 2672 [2024-11-23 18:50:19,050 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 601 GetRequests, 571 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 13.8s TimeCoverageRelationStatistics Valid=101, Invalid=829, Unknown=0, NotChecked=0, Total=930 [2024-11-23 18:50:19,050 INFO L435 NwaCegarLoop]: 288 mSDtfsCounter, 183 mSDsluCounter, 1234 mSDsCounter, 0 mSdLazyCounter, 673 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 1522 SdHoareTripleChecker+Invalid, 692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 673 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2024-11-23 18:50:19,050 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 1522 Invalid, 692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 673 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2024-11-23 18:50:19,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2672 states. [2024-11-23 18:50:19,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2672 to 2315. [2024-11-23 18:50:19,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2315 states, 2250 states have (on average 1.1697777777777778) internal successors, (2632), 2255 states have internal predecessors, (2632), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-23 18:50:19,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2315 states to 2315 states and 2740 transitions. [2024-11-23 18:50:19,214 INFO L78 Accepts]: Start accepts. Automaton has 2315 states and 2740 transitions. Word has length 155 [2024-11-23 18:50:19,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:50:19,215 INFO L471 AbstractCegarLoop]: Abstraction has 2315 states and 2740 transitions. [2024-11-23 18:50:19,215 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.11111111111111) internal successors, (73), 9 states have internal predecessors, (73), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:50:19,215 INFO L276 IsEmpty]: Start isEmpty. Operand 2315 states and 2740 transitions. [2024-11-23 18:50:19,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-23 18:50:19,216 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:50:19,217 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:50:19,224 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (67)] Ended with exit code 0 [2024-11-23 18:50:19,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2024-11-23 18:50:19,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 67 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,68 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt [2024-11-23 18:50:19,617 INFO L396 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:50:19,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:50:19,618 INFO L85 PathProgramCache]: Analyzing trace with hash -448008580, now seen corresponding path program 1 times [2024-11-23 18:50:19,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:50:19,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1127637711] [2024-11-23 18:50:19,618 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:50:19,618 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:50:19,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:50:19,620 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:50:19,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (69)] Waiting until timeout for monitored process [2024-11-23 18:50:20,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:50:20,172 INFO L256 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-23 18:50:20,174 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:50:20,414 INFO L349 Elim1Store]: treesize reduction 3, result has 75.0 percent of original size [2024-11-23 18:50:20,414 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 19 [2024-11-23 18:50:20,445 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-23 18:50:20,445 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:50:20,445 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:50:20,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1127637711] [2024-11-23 18:50:20,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1127637711] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:50:20,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:50:20,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:50:20,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165836210] [2024-11-23 18:50:20,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:50:20,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:50:20,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:50:20,446 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:50:20,446 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:50:20,446 INFO L87 Difference]: Start difference. First operand 2315 states and 2740 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:50:21,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:50:21,732 INFO L93 Difference]: Finished difference Result 4729 states and 5604 transitions. [2024-11-23 18:50:21,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 18:50:21,734 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 157 [2024-11-23 18:50:21,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:50:21,736 INFO L225 Difference]: With dead ends: 4729 [2024-11-23 18:50:21,736 INFO L226 Difference]: Without dead ends: 2474 [2024-11-23 18:50:21,738 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:50:21,738 INFO L435 NwaCegarLoop]: 256 mSDtfsCounter, 87 mSDsluCounter, 542 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 798 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-23 18:50:21,738 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 798 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-23 18:50:21,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2474 states. [2024-11-23 18:50:21,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2474 to 2315. [2024-11-23 18:50:21,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2315 states, 2250 states have (on average 1.1684444444444444) internal successors, (2629), 2255 states have internal predecessors, (2629), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-23 18:50:21,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2315 states to 2315 states and 2737 transitions. [2024-11-23 18:50:21,958 INFO L78 Accepts]: Start accepts. Automaton has 2315 states and 2737 transitions. Word has length 157 [2024-11-23 18:50:21,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:50:21,958 INFO L471 AbstractCegarLoop]: Abstraction has 2315 states and 2737 transitions. [2024-11-23 18:50:21,959 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:50:21,959 INFO L276 IsEmpty]: Start isEmpty. Operand 2315 states and 2737 transitions. [2024-11-23 18:50:21,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-23 18:50:21,961 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:50:21,961 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:50:21,970 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (69)] Ended with exit code 0 [2024-11-23 18:50:22,162 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 69 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:50:22,162 INFO L396 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:50:22,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:50:22,163 INFO L85 PathProgramCache]: Analyzing trace with hash -185639741, now seen corresponding path program 1 times [2024-11-23 18:50:22,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:50:22,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [324001850] [2024-11-23 18:50:22,163 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:50:22,163 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:50:22,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:50:22,165 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:50:22,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (70)] Waiting until timeout for monitored process [2024-11-23 18:50:22,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:50:22,741 INFO L256 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-23 18:50:22,744 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:50:22,972 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:50:22,972 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2024-11-23 18:50:23,004 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-23 18:50:23,004 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:50:23,004 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:50:23,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [324001850] [2024-11-23 18:50:23,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [324001850] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:50:23,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:50:23,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:50:23,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763248753] [2024-11-23 18:50:23,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:50:23,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:50:23,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:50:23,005 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:50:23,005 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:50:23,005 INFO L87 Difference]: Start difference. First operand 2315 states and 2737 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:50:24,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:50:24,079 INFO L93 Difference]: Finished difference Result 4700 states and 5561 transitions. [2024-11-23 18:50:24,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 18:50:24,080 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 160 [2024-11-23 18:50:24,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:50:24,083 INFO L225 Difference]: With dead ends: 4700 [2024-11-23 18:50:24,084 INFO L226 Difference]: Without dead ends: 2445 [2024-11-23 18:50:24,085 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:50:24,086 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 83 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 505 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-23 18:50:24,086 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 505 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-23 18:50:24,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2445 states. [2024-11-23 18:50:24,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2445 to 2303. [2024-11-23 18:50:24,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2303 states, 2238 states have (on average 1.1680071492403932) internal successors, (2614), 2243 states have internal predecessors, (2614), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-23 18:50:24,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2303 states to 2303 states and 2722 transitions. [2024-11-23 18:50:24,267 INFO L78 Accepts]: Start accepts. Automaton has 2303 states and 2722 transitions. Word has length 160 [2024-11-23 18:50:24,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:50:24,267 INFO L471 AbstractCegarLoop]: Abstraction has 2303 states and 2722 transitions. [2024-11-23 18:50:24,267 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:50:24,267 INFO L276 IsEmpty]: Start isEmpty. Operand 2303 states and 2722 transitions. [2024-11-23 18:50:24,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-23 18:50:24,269 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:50:24,269 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:50:24,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (70)] Forceful destruction successful, exit code 0 [2024-11-23 18:50:24,469 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 70 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:50:24,470 INFO L396 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:50:24,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:50:24,470 INFO L85 PathProgramCache]: Analyzing trace with hash -83479995, now seen corresponding path program 1 times [2024-11-23 18:50:24,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:50:24,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [375111108] [2024-11-23 18:50:24,470 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:50:24,471 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:50:24,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:50:24,473 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:50:24,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e3bdb2e-c6a6-478b-8876-fc976413240d/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (71)] Waiting until timeout for monitored process [2024-11-23 18:50:24,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:50:25,002 INFO L256 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-23 18:50:25,004 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:50:32,115 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 24 [2024-11-23 18:50:33,646 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-23 18:50:33,646 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:50:33,646 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:50:33,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [375111108] [2024-11-23 18:50:33,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [375111108] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:50:33,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:50:33,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:50:33,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097874523] [2024-11-23 18:50:33,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:50:33,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 18:50:33,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:50:33,647 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 18:50:33,647 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:50:33,648 INFO L87 Difference]: Start difference. First operand 2303 states and 2722 transitions. Second operand has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 5 states have internal predecessors, (79), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 18:50:34,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:50:38,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:50:44,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]