./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_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_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-91.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 e9e4ac08d64372d2f1f353a052bd8114efdbe32f603eaa0ed2a80cf234f96dc2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:58:42,589 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:58:42,681 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-24 01:58:42,693 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:58:42,693 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:58:42,733 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:58:42,734 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:58:42,735 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:58:42,735 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:58:42,736 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:58:42,736 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:58:42,737 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:58:42,738 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:58:42,738 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:58:42,738 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:58:42,738 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:58:42,739 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:58:42,739 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 01:58:42,739 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 01:58:42,739 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 01:58:42,739 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:58:42,740 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:58:42,740 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:58:42,740 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:58:42,740 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 01:58:42,740 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:58:42,740 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:58:42,741 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:58:42,741 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:58:42,741 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:58:42,741 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:58:42,741 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:58:42,741 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:58:42,742 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:58:42,742 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:58:42,743 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:58:42,743 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:58:42,743 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:58:42,743 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:58:42,743 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:58:42,743 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:58:42,744 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:58:42,744 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 01:58:42,744 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 01:58:42,744 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:58:42,744 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:58:42,744 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:58:42,744 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:58:42,744 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_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 -> e9e4ac08d64372d2f1f353a052bd8114efdbe32f603eaa0ed2a80cf234f96dc2 [2024-11-24 01:58:43,091 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:58:43,101 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:58:43,104 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:58:43,106 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:58:43,106 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:58:43,108 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-91.i [2024-11-24 01:58:46,240 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/data/2ebb1be45/b7699bd0bbbc487a91cbf540085db4ac/FLAG6fb4a8942 [2024-11-24 01:58:46,600 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:58:46,601 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-91.i [2024-11-24 01:58:46,609 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/data/2ebb1be45/b7699bd0bbbc487a91cbf540085db4ac/FLAG6fb4a8942 [2024-11-24 01:58:46,628 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/data/2ebb1be45/b7699bd0bbbc487a91cbf540085db4ac [2024-11-24 01:58:46,631 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:58:46,632 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:58:46,634 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:58:46,634 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:58:46,639 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:58:46,640 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:58:46" (1/1) ... [2024-11-24 01:58:46,641 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55f09b85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:58:46, skipping insertion in model container [2024-11-24 01:58:46,642 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:58:46" (1/1) ... [2024-11-24 01:58:46,667 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:58:46,835 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_f8ecea6e-6bc0-493b-8cdb-532608bd1621/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-91.i[916,929] [2024-11-24 01:58:46,899 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:58:46,919 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:58:46,934 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_f8ecea6e-6bc0-493b-8cdb-532608bd1621/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-91.i[916,929] [2024-11-24 01:58:46,975 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:58:46,999 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:58:46,999 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:58:46 WrapperNode [2024-11-24 01:58:47,000 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:58:47,001 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:58:47,001 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:58:47,001 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:58:47,008 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:58:46" (1/1) ... [2024-11-24 01:58:47,023 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:58:46" (1/1) ... [2024-11-24 01:58:47,085 INFO L138 Inliner]: procedures = 29, calls = 200, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 617 [2024-11-24 01:58:47,085 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:58:47,086 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:58:47,086 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:58:47,086 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:58:47,100 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:58:46" (1/1) ... [2024-11-24 01:58:47,100 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:58:46" (1/1) ... [2024-11-24 01:58:47,105 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:58:46" (1/1) ... [2024-11-24 01:58:47,129 INFO L175 MemorySlicer]: Split 158 memory accesses to 15 slices as follows [2, 5, 12, 20, 20, 7, 8, 12, 8, 7, 18, 16, 7, 8, 8]. 13 percent of accesses are in the largest equivalence class. The 16 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 19 writes are split as follows [0, 1, 1, 1, 1, 3, 1, 1, 1, 2, 1, 1, 3, 1, 1]. [2024-11-24 01:58:47,129 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:58:46" (1/1) ... [2024-11-24 01:58:47,130 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:58:46" (1/1) ... [2024-11-24 01:58:47,161 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:58:46" (1/1) ... [2024-11-24 01:58:47,166 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:58:46" (1/1) ... [2024-11-24 01:58:47,174 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:58:46" (1/1) ... [2024-11-24 01:58:47,178 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:58:46" (1/1) ... [2024-11-24 01:58:47,185 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:58:46" (1/1) ... [2024-11-24 01:58:47,202 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:58:47,203 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:58:47,203 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:58:47,203 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:58:47,204 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:58:46" (1/1) ... [2024-11-24 01:58:47,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:58:47,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:58:47,251 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:58:47,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:58:47,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:58:47,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-24 01:58:47,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-24 01:58:47,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-24 01:58:47,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-24 01:58:47,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-24 01:58:47,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-24 01:58:47,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-24 01:58:47,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-24 01:58:47,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-24 01:58:47,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-24 01:58:47,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-24 01:58:47,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-24 01:58:47,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-24 01:58:47,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-24 01:58:47,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-24 01:58:47,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-24 01:58:47,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-24 01:58:47,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-24 01:58:47,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-11-24 01:58:47,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-11-24 01:58:47,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-11-24 01:58:47,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-11-24 01:58:47,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2024-11-24 01:58:47,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2024-11-24 01:58:47,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2024-11-24 01:58:47,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2024-11-24 01:58:47,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2024-11-24 01:58:47,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#12 [2024-11-24 01:58:47,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#13 [2024-11-24 01:58:47,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#14 [2024-11-24 01:58:47,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-24 01:58:47,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-24 01:58:47,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-11-24 01:58:47,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-11-24 01:58:47,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-11-24 01:58:47,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-11-24 01:58:47,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-11-24 01:58:47,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2024-11-24 01:58:47,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2024-11-24 01:58:47,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2024-11-24 01:58:47,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#10 [2024-11-24 01:58:47,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#11 [2024-11-24 01:58:47,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#12 [2024-11-24 01:58:47,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#13 [2024-11-24 01:58:47,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#14 [2024-11-24 01:58:47,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-24 01:58:47,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-24 01:58:47,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-24 01:58:47,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-24 01:58:47,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-24 01:58:47,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-24 01:58:47,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-24 01:58:47,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-24 01:58:47,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-24 01:58:47,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-24 01:58:47,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-24 01:58:47,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-24 01:58:47,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-24 01:58:47,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-24 01:58:47,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-24 01:58:47,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-11-24 01:58:47,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-11-24 01:58:47,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-11-24 01:58:47,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-11-24 01:58:47,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-11-24 01:58:47,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-11-24 01:58:47,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2024-11-24 01:58:47,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2024-11-24 01:58:47,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2024-11-24 01:58:47,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#9 [2024-11-24 01:58:47,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#10 [2024-11-24 01:58:47,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#11 [2024-11-24 01:58:47,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#12 [2024-11-24 01:58:47,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#13 [2024-11-24 01:58:47,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#14 [2024-11-24 01:58:47,308 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 01:58:47,309 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 01:58:47,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 01:58:47,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-24 01:58:47,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-24 01:58:47,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-24 01:58:47,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-24 01:58:47,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-24 01:58:47,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-24 01:58:47,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-24 01:58:47,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-24 01:58:47,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-24 01:58:47,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-24 01:58:47,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-24 01:58:47,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-24 01:58:47,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-24 01:58:47,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-24 01:58:47,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:58:47,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:58:47,571 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:58:47,573 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:58:48,432 INFO L? ?]: Removed 171 outVars from TransFormulas that were not future-live. [2024-11-24 01:58:48,432 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:58:48,452 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:58:48,456 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 01:58:48,456 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:58:48 BoogieIcfgContainer [2024-11-24 01:58:48,456 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:58:48,459 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:58:48,459 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:58:48,467 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:58:48,468 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:58:46" (1/3) ... [2024-11-24 01:58:48,469 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62710e59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:58:48, skipping insertion in model container [2024-11-24 01:58:48,469 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:58:46" (2/3) ... [2024-11-24 01:58:48,471 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62710e59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:58:48, skipping insertion in model container [2024-11-24 01:58:48,471 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:58:48" (3/3) ... [2024-11-24 01:58:48,472 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-91.i [2024-11-24 01:58:48,492 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:58:48,494 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-p_file-91.i that has 2 procedures, 125 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 01:58:48,590 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:58:48,608 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;@25b1ee7b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:58:48,609 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 01:58:48,615 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) [2024-11-24 01:58:48,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-24 01:58:48,635 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:58:48,636 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] [2024-11-24 01:58:48,636 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:58:48,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:58:48,647 INFO L85 PathProgramCache]: Analyzing trace with hash -267119193, now seen corresponding path program 1 times [2024-11-24 01:58:48,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:58:48,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432810711] [2024-11-24 01:58:48,659 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:58:48,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:58:48,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:58:49,168 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2024-11-24 01:58:49,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:58:49,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432810711] [2024-11-24 01:58:49,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432810711] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:58:49,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [595239642] [2024-11-24 01:58:49,173 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:58:49,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:58:49,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:58:49,182 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:58:49,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 01:58:49,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:58:49,639 INFO L256 TraceCheckSpWp]: Trace formula consists of 585 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 01:58:49,650 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:58:49,702 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2024-11-24 01:58:49,703 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:58:49,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [595239642] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:58:49,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:58:49,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-24 01:58:49,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370315421] [2024-11-24 01:58:49,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:58:49,713 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 01:58:49,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:58:49,743 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 01:58:49,744 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:58:49,749 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) [2024-11-24 01:58:49,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:58:49,805 INFO L93 Difference]: Finished difference Result 243 states and 379 transitions. [2024-11-24 01:58:49,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 01:58:49,809 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 [2024-11-24 01:58:49,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:58:49,820 INFO L225 Difference]: With dead ends: 243 [2024-11-24 01:58:49,821 INFO L226 Difference]: Without dead ends: 121 [2024-11-24 01:58:49,825 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 [2024-11-24 01:58:49,829 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 [2024-11-24 01:58:49,830 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] [2024-11-24 01:58:49,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-11-24 01:58:49,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2024-11-24 01:58:49,880 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) [2024-11-24 01:58:49,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 177 transitions. [2024-11-24 01:58:49,887 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 177 transitions. Word has length 138 [2024-11-24 01:58:49,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:58:49,888 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 177 transitions. [2024-11-24 01:58:49,888 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) [2024-11-24 01:58:49,888 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 177 transitions. [2024-11-24 01:58:49,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-24 01:58:49,892 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:58:49,892 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] [2024-11-24 01:58:49,902 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-24 01:58:50,093 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:58:50,093 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:58:50,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:58:50,094 INFO L85 PathProgramCache]: Analyzing trace with hash -2093642487, now seen corresponding path program 1 times [2024-11-24 01:58:50,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:58:50,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802512808] [2024-11-24 01:58:50,094 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:58:50,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:58:50,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:58:50,673 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 01:58:50,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:58:50,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802512808] [2024-11-24 01:58:50,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802512808] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:58:50,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:58:50,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 01:58:50,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922968161] [2024-11-24 01:58:50,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:58:50,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:58:50,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:58:50,677 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:58:50,677 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:58:50,677 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), 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) [2024-11-24 01:58:50,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:58:50,758 INFO L93 Difference]: Finished difference Result 241 states and 354 transitions. [2024-11-24 01:58:50,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 01:58:50,759 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), 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 138 [2024-11-24 01:58:50,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:58:50,761 INFO L225 Difference]: With dead ends: 241 [2024-11-24 01:58:50,761 INFO L226 Difference]: Without dead ends: 123 [2024-11-24 01:58:50,762 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:58:50,763 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 [2024-11-24 01:58:50,764 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] [2024-11-24 01:58:50,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-11-24 01:58:50,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2024-11-24 01:58:50,778 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) [2024-11-24 01:58:50,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 179 transitions. [2024-11-24 01:58:50,780 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 179 transitions. Word has length 138 [2024-11-24 01:58:50,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:58:50,782 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 179 transitions. [2024-11-24 01:58:50,782 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), 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) [2024-11-24 01:58:50,782 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 179 transitions. [2024-11-24 01:58:50,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-24 01:58:50,785 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:58:50,785 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] [2024-11-24 01:58:50,785 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 01:58:50,786 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:58:50,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:58:50,786 INFO L85 PathProgramCache]: Analyzing trace with hash -153060473, now seen corresponding path program 1 times [2024-11-24 01:58:50,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:58:50,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282938372] [2024-11-24 01:58:50,787 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:58:50,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:58:50,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:58:51,440 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 3 proven. 45 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-24 01:58:51,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:58:51,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282938372] [2024-11-24 01:58:51,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282938372] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:58:51,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1897268755] [2024-11-24 01:58:51,440 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:58:51,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:58:51,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:58:51,448 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:58:51,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-24 01:58:51,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:58:51,851 INFO L256 TraceCheckSpWp]: Trace formula consists of 587 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 01:58:51,858 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:58:51,922 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 01:58:51,922 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:58:51,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1897268755] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:58:51,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:58:51,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 7 [2024-11-24 01:58:51,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496187941] [2024-11-24 01:58:51,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:58:51,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:58:51,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:58:51,928 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:58:51,929 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:58:51,929 INFO L87 Difference]: Start difference. First operand 123 states and 179 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) [2024-11-24 01:58:51,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:58:51,999 INFO L93 Difference]: Finished difference Result 245 states and 358 transitions. [2024-11-24 01:58:52,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 01:58:52,003 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 [2024-11-24 01:58:52,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:58:52,005 INFO L225 Difference]: With dead ends: 245 [2024-11-24 01:58:52,005 INFO L226 Difference]: Without dead ends: 125 [2024-11-24 01:58:52,010 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 [2024-11-24 01:58:52,011 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 [2024-11-24 01:58:52,011 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] [2024-11-24 01:58:52,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-11-24 01:58:52,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2024-11-24 01:58:52,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 106 states have (on average 1.3867924528301887) internal successors, (147), 106 states have internal predecessors, (147), 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) [2024-11-24 01:58:52,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 181 transitions. [2024-11-24 01:58:52,028 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 181 transitions. Word has length 138 [2024-11-24 01:58:52,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:58:52,029 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 181 transitions. [2024-11-24 01:58:52,029 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) [2024-11-24 01:58:52,029 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 181 transitions. [2024-11-24 01:58:52,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-24 01:58:52,031 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:58:52,032 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] [2024-11-24 01:58:52,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-24 01:58:52,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:58:52,233 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:58:52,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:58:52,233 INFO L85 PathProgramCache]: Analyzing trace with hash 1792921273, now seen corresponding path program 1 times [2024-11-24 01:58:52,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:58:52,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101581896] [2024-11-24 01:58:52,234 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:58:52,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:58:52,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:58:53,066 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 01:58:53,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:58:53,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101581896] [2024-11-24 01:58:53,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101581896] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:58:53,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:58:53,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 01:58:53,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630243965] [2024-11-24 01:58:53,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:58:53,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:58:53,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:58:53,072 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:58:53,073 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:58:53,073 INFO L87 Difference]: Start difference. First operand 125 states and 181 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 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) [2024-11-24 01:58:53,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:58:53,245 INFO L93 Difference]: Finished difference Result 345 states and 500 transitions. [2024-11-24 01:58:53,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 01:58:53,245 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 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 [2024-11-24 01:58:53,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:58:53,248 INFO L225 Difference]: With dead ends: 345 [2024-11-24 01:58:53,248 INFO L226 Difference]: Without dead ends: 223 [2024-11-24 01:58:53,248 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-24 01:58:53,253 INFO L435 NwaCegarLoop]: 220 mSDtfsCounter, 125 mSDsluCounter, 812 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 1032 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:58:53,253 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 1032 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:58:53,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2024-11-24 01:58:53,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 220. [2024-11-24 01:58:53,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 193 states have (on average 1.4041450777202074) internal successors, (271), 194 states have internal predecessors, (271), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-24 01:58:53,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 319 transitions. [2024-11-24 01:58:53,290 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 319 transitions. Word has length 140 [2024-11-24 01:58:53,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:58:53,293 INFO L471 AbstractCegarLoop]: Abstraction has 220 states and 319 transitions. [2024-11-24 01:58:53,293 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 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) [2024-11-24 01:58:53,293 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 319 transitions. [2024-11-24 01:58:53,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-24 01:58:53,299 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:58:53,299 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] [2024-11-24 01:58:53,299 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 01:58:53,299 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:58:53,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:58:53,300 INFO L85 PathProgramCache]: Analyzing trace with hash -1867529438, now seen corresponding path program 1 times [2024-11-24 01:58:53,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:58:53,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773070180] [2024-11-24 01:58:53,300 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:58:53,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:58:53,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 01:58:53,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [32220588] [2024-11-24 01:58:53,618 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:58:53,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:58:53,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:58:53,622 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:58:53,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-24 01:58:54,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:58:54,597 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:58:54,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:58:55,081 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-24 01:58:55,081 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-24 01:58:55,083 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-24 01:58:55,093 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-24 01:58:55,285 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:58:55,288 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-24 01:58:55,604 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 01:58:55,612 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 01:58:55 BoogieIcfgContainer [2024-11-24 01:58:55,612 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 01:58:55,613 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 01:58:55,613 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 01:58:55,613 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 01:58:55,614 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:58:48" (3/4) ... [2024-11-24 01:58:55,617 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 01:58:55,618 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 01:58:55,619 INFO L158 Benchmark]: Toolchain (without parser) took 8986.71ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 93.9MB in the beginning and 293.3MB in the end (delta: -199.4MB). Peak memory consumption was 37.9MB. Max. memory is 16.1GB. [2024-11-24 01:58:55,620 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 167.8MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:58:55,620 INFO L158 Benchmark]: CACSL2BoogieTranslator took 366.27ms. Allocated memory is still 117.4MB. Free memory was 93.9MB in the beginning and 79.2MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 01:58:55,621 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.76ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 76.0MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:58:55,621 INFO L158 Benchmark]: Boogie Preprocessor took 115.80ms. Allocated memory is still 117.4MB. Free memory was 76.0MB in the beginning and 70.8MB in the end (delta: 5.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:58:55,621 INFO L158 Benchmark]: RCFGBuilder took 1253.21ms. Allocated memory is still 117.4MB. Free memory was 70.8MB in the beginning and 78.8MB in the end (delta: -7.9MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. [2024-11-24 01:58:55,622 INFO L158 Benchmark]: TraceAbstraction took 7153.77ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 78.2MB in the beginning and 293.3MB in the end (delta: -215.1MB). Peak memory consumption was 198.2MB. Max. memory is 16.1GB. [2024-11-24 01:58:55,622 INFO L158 Benchmark]: Witness Printer took 5.08ms. Allocated memory is still 352.3MB. Free memory was 293.3MB in the beginning and 293.3MB in the end (delta: 46.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:58:55,628 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49ms. Allocated memory is still 167.8MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 366.27ms. Allocated memory is still 117.4MB. Free memory was 93.9MB in the beginning and 79.2MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.76ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 76.0MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 115.80ms. Allocated memory is still 117.4MB. Free memory was 76.0MB in the beginning and 70.8MB in the end (delta: 5.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1253.21ms. Allocated memory is still 117.4MB. Free memory was 70.8MB in the beginning and 78.8MB in the end (delta: -7.9MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. * TraceAbstraction took 7153.77ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 78.2MB in the beginning and 293.3MB in the end (delta: -215.1MB). Peak memory consumption was 198.2MB. Max. memory is 16.1GB. * Witness Printer took 5.08ms. Allocated memory is still 352.3MB. Free memory was 293.3MB in the beginning and 293.3MB in the end (delta: 46.8kB). Peak memory consumption was 8.4MB. 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 94, overapproximation of someBinaryFLOATComparisonOperation at line 84, overapproximation of someBinaryFLOATComparisonOperation at line 53, overapproximation of someBinaryFLOATComparisonOperation at line 92, overapproximation of someBinaryFLOATComparisonOperation at line 114, overapproximation of someBinaryFLOATComparisonOperation at line 84, overapproximation of someBinaryFLOATComparisonOperation at line 92, overapproximation of someBinaryFLOATComparisonOperation at line 94, overapproximation of someUnaryDOUBLEoperation at line 34. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 100000000; [L22] unsigned long int var_1_1 = 100000000; [L23] unsigned long int* var_1_1_Pointer = &(var_1_1); [L24] float var_1_2 = 49.25; [L24] float var_1_2 = 49.25; [L25] float* var_1_2_Pointer = &(var_1_2); [L26] unsigned long int var_1_3 = 64; [L26] unsigned long int var_1_3 = 64; [L27] unsigned long int* var_1_3_Pointer = &(var_1_3); [L28] unsigned long int var_1_4 = 64; [L28] unsigned long int var_1_4 = 64; [L29] unsigned long int* var_1_4_Pointer = &(var_1_4); [L30] signed short int var_1_5 = 1; [L30] signed short int var_1_5 = 1; [L31] signed short int* var_1_5_Pointer = &(var_1_5); [L32] float var_1_6 = 8.4; [L32] float var_1_6 = 8.4; [L33] float* var_1_6_Pointer = &(var_1_6); [L34] float var_1_7 = -0.25; [L34] float var_1_7 = -0.25; [L35] float* var_1_7_Pointer = &(var_1_7); [L36] signed short int var_1_8 = -4; [L36] signed short int var_1_8 = -4; [L37] signed short int* var_1_8_Pointer = &(var_1_8); [L38] unsigned long int var_1_9 = 64; [L38] unsigned long int var_1_9 = 64; [L39] unsigned long int* var_1_9_Pointer = &(var_1_9); [L40] unsigned long int var_1_10 = 16; [L40] unsigned long int var_1_10 = 16; [L41] unsigned long int* var_1_10_Pointer = &(var_1_10); [L42] unsigned long int var_1_11 = 10; [L42] unsigned long int var_1_11 = 10; [L43] unsigned long int* var_1_11_Pointer = &(var_1_11); [L44] signed short int var_1_12 = 100; [L44] signed short int var_1_12 = 100; [L45] signed short int* var_1_12_Pointer = &(var_1_12); [L46] signed short int var_1_14 = 128; [L46] signed short int var_1_14 = 128; [L47] signed short int* var_1_14_Pointer = &(var_1_14); [L48] signed short int var_1_15 = 10; [L48] signed short int var_1_15 = 10; [L49] signed short int* var_1_15_Pointer = &(var_1_15); VAL [isInitial=0, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L118] isInitial = 1 [L119] FCALL initially() [L121] FCALL updateLastVariables() [L122] CALL updateVariables() [L83] var_1_2 = __VERIFIER_nondet_float() [L84] EXPR \read(var_1_2) [L84] EXPR var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L84] EXPR var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F [L84] EXPR \read(var_1_2) [L84] EXPR var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L84] EXPR (var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F ) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L84] EXPR (var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F ) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L84] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L84] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L85] var_1_3 = __VERIFIER_nondet_ulong() [L86] EXPR \read(var_1_3) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L86] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L86] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L87] EXPR \read(var_1_3) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L87] CALL assume_abort_if_not(var_1_3 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L87] RET assume_abort_if_not(var_1_3 <= 4294967294) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L88] var_1_4 = __VERIFIER_nondet_ulong() [L89] EXPR \read(var_1_4) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L89] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L89] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L90] EXPR \read(var_1_4) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L90] CALL assume_abort_if_not(var_1_4 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L90] RET assume_abort_if_not(var_1_4 <= 4294967294) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L91] var_1_6 = __VERIFIER_nondet_float() [L92] EXPR \read(var_1_6) [L92] EXPR var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L92] EXPR var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F [L92] EXPR \read(var_1_6) [L92] EXPR var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L92] EXPR (var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F ) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L92] EXPR (var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F ) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L92] CALL assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L92] RET assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L93] var_1_7 = __VERIFIER_nondet_float() [L94] EXPR \read(var_1_7) [L94] EXPR var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L94] EXPR var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F [L94] EXPR \read(var_1_7) [L94] EXPR var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L94] EXPR (var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F ) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L94] EXPR (var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F ) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L94] CALL assume_abort_if_not((var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L94] RET assume_abort_if_not((var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L95] var_1_8 = __VERIFIER_nondet_short() [L96] EXPR \read(var_1_8) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L96] CALL assume_abort_if_not(var_1_8 >= -32767) VAL [\old(cond)=1, isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L96] RET assume_abort_if_not(var_1_8 >= -32767) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L97] EXPR \read(var_1_8) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L97] CALL assume_abort_if_not(var_1_8 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L97] RET assume_abort_if_not(var_1_8 <= 32766) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L98] var_1_10 = __VERIFIER_nondet_ulong() [L99] EXPR \read(var_1_10) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L99] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L99] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L100] EXPR \read(var_1_10) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L100] CALL assume_abort_if_not(var_1_10 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L100] RET assume_abort_if_not(var_1_10 <= 4294967294) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L101] var_1_11 = __VERIFIER_nondet_ulong() [L102] EXPR \read(var_1_11) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L102] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L102] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L103] EXPR \read(var_1_11) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L103] CALL assume_abort_if_not(var_1_11 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L103] RET assume_abort_if_not(var_1_11 <= 4294967294) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L104] var_1_14 = __VERIFIER_nondet_short() [L105] EXPR \read(var_1_14) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L105] CALL assume_abort_if_not(var_1_14 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L105] RET assume_abort_if_not(var_1_14 >= -1) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L106] EXPR \read(var_1_14) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L106] CALL assume_abort_if_not(var_1_14 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L106] RET assume_abort_if_not(var_1_14 <= 32766) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L107] var_1_15 = __VERIFIER_nondet_short() [L108] EXPR \read(var_1_15) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L108] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L108] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L109] EXPR \read(var_1_15) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L109] CALL assume_abort_if_not(var_1_15 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L109] RET assume_abort_if_not(var_1_15 <= 32766) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L122] RET updateVariables() [L123] CALL step() [L53] EXPR \read(*var_1_2_Pointer) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L53] COND FALSE !((*(var_1_2_Pointer)) >= 50.4f) [L56] EXPR \read(*var_1_3_Pointer) [L56] EXPR \read(*var_1_1_Pointer) [L56] EXPR \read(*var_1_4_Pointer) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L56] COND FALSE !((*(var_1_3_Pointer)) == ((*(var_1_1_Pointer)) * (*(var_1_4_Pointer)))) [L63] EXPR \read(*var_1_8_Pointer) [L63] (*(var_1_5_Pointer)) = (*(var_1_8_Pointer)) [L65] EXPR \read(*var_1_4_Pointer) [L65] EXPR \read(*var_1_3_Pointer) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L65] COND FALSE !(! ((*(var_1_4_Pointer)) < (*(var_1_3_Pointer)))) [L68] EXPR \read(*var_1_11_Pointer) [L68] EXPR \read(*var_1_10_Pointer) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L68] EXPR (((*(var_1_11_Pointer))) > ((*(var_1_10_Pointer)))) ? ((*(var_1_11_Pointer))) : ((*(var_1_10_Pointer))) [L68] EXPR \read(*var_1_11_Pointer) [L68] EXPR (((*(var_1_11_Pointer))) > ((*(var_1_10_Pointer)))) ? ((*(var_1_11_Pointer))) : ((*(var_1_10_Pointer))) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L68] (*(var_1_9_Pointer)) = (((((*(var_1_11_Pointer))) > ((*(var_1_10_Pointer)))) ? ((*(var_1_11_Pointer))) : ((*(var_1_10_Pointer))))) [L70] EXPR \read(*var_1_10_Pointer) [L70] EXPR \read(*var_1_9_Pointer) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L70] COND FALSE !((*(var_1_10_Pointer)) > (*(var_1_9_Pointer))) [L79] EXPR \read(*var_1_15_Pointer) [L79] (*(var_1_12_Pointer)) = (*(var_1_15_Pointer)) [L123] RET step() [L124] CALL, EXPR property() [L114] EXPR \read(*var_1_2_Pointer) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L114] EXPR ((*(var_1_2_Pointer)) >= 50.4f) ? ((*(var_1_1_Pointer)) == ((unsigned long int) (((((*(var_1_3_Pointer))) > ((*(var_1_4_Pointer)))) ? ((*(var_1_3_Pointer))) : ((*(var_1_4_Pointer))))))) : 1 [L114] EXPR \read(*var_1_1_Pointer) [L114] EXPR \read(*var_1_3_Pointer) [L114] EXPR \read(*var_1_4_Pointer) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L114] EXPR (((*(var_1_3_Pointer))) > ((*(var_1_4_Pointer)))) ? ((*(var_1_3_Pointer))) : ((*(var_1_4_Pointer))) [L114] EXPR \read(*var_1_3_Pointer) [L114] EXPR (((*(var_1_3_Pointer))) > ((*(var_1_4_Pointer)))) ? ((*(var_1_3_Pointer))) : ((*(var_1_4_Pointer))) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L114] EXPR ((*(var_1_2_Pointer)) >= 50.4f) ? ((*(var_1_1_Pointer)) == ((unsigned long int) (((((*(var_1_3_Pointer))) > ((*(var_1_4_Pointer)))) ? ((*(var_1_3_Pointer))) : ((*(var_1_4_Pointer))))))) : 1 VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L114] EXPR (((*(var_1_2_Pointer)) >= 50.4f) ? ((*(var_1_1_Pointer)) == ((unsigned long int) (((((*(var_1_3_Pointer))) > ((*(var_1_4_Pointer)))) ? ((*(var_1_3_Pointer))) : ((*(var_1_4_Pointer))))))) : 1) && (((*(var_1_3_Pointer)) == ((*(var_1_1_Pointer)) * (*(var_1_4_Pointer)))) ? (((*(var_1_2_Pointer)) >= ((*(var_1_6_Pointer)) + (*(var_1_7_Pointer)))) ? ((*(var_1_5_Pointer)) == ((signed short int) (*(var_1_8_Pointer)))) : ((*(var_1_5_Pointer)) == ((signed short int) 32))) : ((*(var_1_5_Pointer)) == ((signed short int) (*(var_1_8_Pointer))))) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L114] EXPR (((*(var_1_2_Pointer)) >= 50.4f) ? ((*(var_1_1_Pointer)) == ((unsigned long int) (((((*(var_1_3_Pointer))) > ((*(var_1_4_Pointer)))) ? ((*(var_1_3_Pointer))) : ((*(var_1_4_Pointer))))))) : 1) && (((*(var_1_3_Pointer)) == ((*(var_1_1_Pointer)) * (*(var_1_4_Pointer)))) ? (((*(var_1_2_Pointer)) >= ((*(var_1_6_Pointer)) + (*(var_1_7_Pointer)))) ? ((*(var_1_5_Pointer)) == ((signed short int) (*(var_1_8_Pointer)))) : ((*(var_1_5_Pointer)) == ((signed short int) 32))) : ((*(var_1_5_Pointer)) == ((signed short int) (*(var_1_8_Pointer))))) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L114] EXPR ((((*(var_1_2_Pointer)) >= 50.4f) ? ((*(var_1_1_Pointer)) == ((unsigned long int) (((((*(var_1_3_Pointer))) > ((*(var_1_4_Pointer)))) ? ((*(var_1_3_Pointer))) : ((*(var_1_4_Pointer))))))) : 1) && (((*(var_1_3_Pointer)) == ((*(var_1_1_Pointer)) * (*(var_1_4_Pointer)))) ? (((*(var_1_2_Pointer)) >= ((*(var_1_6_Pointer)) + (*(var_1_7_Pointer)))) ? ((*(var_1_5_Pointer)) == ((signed short int) (*(var_1_8_Pointer)))) : ((*(var_1_5_Pointer)) == ((signed short int) 32))) : ((*(var_1_5_Pointer)) == ((signed short int) (*(var_1_8_Pointer)))))) && ((! ((*(var_1_4_Pointer)) < (*(var_1_3_Pointer)))) ? ((*(var_1_9_Pointer)) == ((unsigned long int) (((((((((*(var_1_3_Pointer))) < ((*(var_1_4_Pointer)))) ? ((*(var_1_3_Pointer))) : ((*(var_1_4_Pointer)))))) < ((((((*(var_1_10_Pointer))) > ((*(var_1_11_Pointer)))) ? ((*(var_1_10_Pointer))) : ((*(var_1_11_Pointer))))))) ? ((((((*(var_1_3_Pointer))) < ((*(var_1_4_Pointer)))) ? ((*(var_1_3_Pointer))) : ((*(var_1_4_Pointer)))))) : ((((((*(var_1_10_Pointer))) > ((*(var_1_11_Pointer)))) ? ((*(var_1_10_Pointer))) : ((*(var_1_11_Pointer)))))))))) : ((*(var_1_9_Pointer)) == ((unsigned long int) (((((*(var_1_11_Pointer))) > ((*(var_1_10_Pointer)))) ? ((*(var_1_11_Pointer))) : ((*(var_1_10_Pointer)))))))) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L114] EXPR ((((*(var_1_2_Pointer)) >= 50.4f) ? ((*(var_1_1_Pointer)) == ((unsigned long int) (((((*(var_1_3_Pointer))) > ((*(var_1_4_Pointer)))) ? ((*(var_1_3_Pointer))) : ((*(var_1_4_Pointer))))))) : 1) && (((*(var_1_3_Pointer)) == ((*(var_1_1_Pointer)) * (*(var_1_4_Pointer)))) ? (((*(var_1_2_Pointer)) >= ((*(var_1_6_Pointer)) + (*(var_1_7_Pointer)))) ? ((*(var_1_5_Pointer)) == ((signed short int) (*(var_1_8_Pointer)))) : ((*(var_1_5_Pointer)) == ((signed short int) 32))) : ((*(var_1_5_Pointer)) == ((signed short int) (*(var_1_8_Pointer)))))) && ((! ((*(var_1_4_Pointer)) < (*(var_1_3_Pointer)))) ? ((*(var_1_9_Pointer)) == ((unsigned long int) (((((((((*(var_1_3_Pointer))) < ((*(var_1_4_Pointer)))) ? ((*(var_1_3_Pointer))) : ((*(var_1_4_Pointer)))))) < ((((((*(var_1_10_Pointer))) > ((*(var_1_11_Pointer)))) ? ((*(var_1_10_Pointer))) : ((*(var_1_11_Pointer))))))) ? ((((((*(var_1_3_Pointer))) < ((*(var_1_4_Pointer)))) ? ((*(var_1_3_Pointer))) : ((*(var_1_4_Pointer)))))) : ((((((*(var_1_10_Pointer))) > ((*(var_1_11_Pointer)))) ? ((*(var_1_10_Pointer))) : ((*(var_1_11_Pointer)))))))))) : ((*(var_1_9_Pointer)) == ((unsigned long int) (((((*(var_1_11_Pointer))) > ((*(var_1_10_Pointer)))) ? ((*(var_1_11_Pointer))) : ((*(var_1_10_Pointer)))))))) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L114] EXPR (((((*(var_1_2_Pointer)) >= 50.4f) ? ((*(var_1_1_Pointer)) == ((unsigned long int) (((((*(var_1_3_Pointer))) > ((*(var_1_4_Pointer)))) ? ((*(var_1_3_Pointer))) : ((*(var_1_4_Pointer))))))) : 1) && (((*(var_1_3_Pointer)) == ((*(var_1_1_Pointer)) * (*(var_1_4_Pointer)))) ? (((*(var_1_2_Pointer)) >= ((*(var_1_6_Pointer)) + (*(var_1_7_Pointer)))) ? ((*(var_1_5_Pointer)) == ((signed short int) (*(var_1_8_Pointer)))) : ((*(var_1_5_Pointer)) == ((signed short int) 32))) : ((*(var_1_5_Pointer)) == ((signed short int) (*(var_1_8_Pointer)))))) && ((! ((*(var_1_4_Pointer)) < (*(var_1_3_Pointer)))) ? ((*(var_1_9_Pointer)) == ((unsigned long int) (((((((((*(var_1_3_Pointer))) < ((*(var_1_4_Pointer)))) ? ((*(var_1_3_Pointer))) : ((*(var_1_4_Pointer)))))) < ((((((*(var_1_10_Pointer))) > ((*(var_1_11_Pointer)))) ? ((*(var_1_10_Pointer))) : ((*(var_1_11_Pointer))))))) ? ((((((*(var_1_3_Pointer))) < ((*(var_1_4_Pointer)))) ? ((*(var_1_3_Pointer))) : ((*(var_1_4_Pointer)))))) : ((((((*(var_1_10_Pointer))) > ((*(var_1_11_Pointer)))) ? ((*(var_1_10_Pointer))) : ((*(var_1_11_Pointer)))))))))) : ((*(var_1_9_Pointer)) == ((unsigned long int) (((((*(var_1_11_Pointer))) > ((*(var_1_10_Pointer)))) ? ((*(var_1_11_Pointer))) : ((*(var_1_10_Pointer))))))))) && (((*(var_1_10_Pointer)) > (*(var_1_9_Pointer))) ? ((63.1 >= (*(var_1_7_Pointer))) ? (((*(var_1_7_Pointer)) >= (*(var_1_2_Pointer))) ? ((*(var_1_12_Pointer)) == ((signed short int) ((*(var_1_14_Pointer)) - (*(var_1_15_Pointer))))) : ((*(var_1_12_Pointer)) == ((signed short int) (*(var_1_14_Pointer))))) : 1) : ((*(var_1_12_Pointer)) == ((signed short int) (*(var_1_15_Pointer))))) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L114] EXPR (((((*(var_1_2_Pointer)) >= 50.4f) ? ((*(var_1_1_Pointer)) == ((unsigned long int) (((((*(var_1_3_Pointer))) > ((*(var_1_4_Pointer)))) ? ((*(var_1_3_Pointer))) : ((*(var_1_4_Pointer))))))) : 1) && (((*(var_1_3_Pointer)) == ((*(var_1_1_Pointer)) * (*(var_1_4_Pointer)))) ? (((*(var_1_2_Pointer)) >= ((*(var_1_6_Pointer)) + (*(var_1_7_Pointer)))) ? ((*(var_1_5_Pointer)) == ((signed short int) (*(var_1_8_Pointer)))) : ((*(var_1_5_Pointer)) == ((signed short int) 32))) : ((*(var_1_5_Pointer)) == ((signed short int) (*(var_1_8_Pointer)))))) && ((! ((*(var_1_4_Pointer)) < (*(var_1_3_Pointer)))) ? ((*(var_1_9_Pointer)) == ((unsigned long int) (((((((((*(var_1_3_Pointer))) < ((*(var_1_4_Pointer)))) ? ((*(var_1_3_Pointer))) : ((*(var_1_4_Pointer)))))) < ((((((*(var_1_10_Pointer))) > ((*(var_1_11_Pointer)))) ? ((*(var_1_10_Pointer))) : ((*(var_1_11_Pointer))))))) ? ((((((*(var_1_3_Pointer))) < ((*(var_1_4_Pointer)))) ? ((*(var_1_3_Pointer))) : ((*(var_1_4_Pointer)))))) : ((((((*(var_1_10_Pointer))) > ((*(var_1_11_Pointer)))) ? ((*(var_1_10_Pointer))) : ((*(var_1_11_Pointer)))))))))) : ((*(var_1_9_Pointer)) == ((unsigned long int) (((((*(var_1_11_Pointer))) > ((*(var_1_10_Pointer)))) ? ((*(var_1_11_Pointer))) : ((*(var_1_10_Pointer))))))))) && (((*(var_1_10_Pointer)) > (*(var_1_9_Pointer))) ? ((63.1 >= (*(var_1_7_Pointer))) ? (((*(var_1_7_Pointer)) >= (*(var_1_2_Pointer))) ? ((*(var_1_12_Pointer)) == ((signed short int) ((*(var_1_14_Pointer)) - (*(var_1_15_Pointer))))) : ((*(var_1_12_Pointer)) == ((signed short int) (*(var_1_14_Pointer))))) : 1) : ((*(var_1_12_Pointer)) == ((signed short int) (*(var_1_15_Pointer))))) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L114-L115] return (((((*(var_1_2_Pointer)) >= 50.4f) ? ((*(var_1_1_Pointer)) == ((unsigned long int) (((((*(var_1_3_Pointer))) > ((*(var_1_4_Pointer)))) ? ((*(var_1_3_Pointer))) : ((*(var_1_4_Pointer))))))) : 1) && (((*(var_1_3_Pointer)) == ((*(var_1_1_Pointer)) * (*(var_1_4_Pointer)))) ? (((*(var_1_2_Pointer)) >= ((*(var_1_6_Pointer)) + (*(var_1_7_Pointer)))) ? ((*(var_1_5_Pointer)) == ((signed short int) (*(var_1_8_Pointer)))) : ((*(var_1_5_Pointer)) == ((signed short int) 32))) : ((*(var_1_5_Pointer)) == ((signed short int) (*(var_1_8_Pointer)))))) && ((! ((*(var_1_4_Pointer)) < (*(var_1_3_Pointer)))) ? ((*(var_1_9_Pointer)) == ((unsigned long int) (((((((((*(var_1_3_Pointer))) < ((*(var_1_4_Pointer)))) ? ((*(var_1_3_Pointer))) : ((*(var_1_4_Pointer)))))) < ((((((*(var_1_10_Pointer))) > ((*(var_1_11_Pointer)))) ? ((*(var_1_10_Pointer))) : ((*(var_1_11_Pointer))))))) ? ((((((*(var_1_3_Pointer))) < ((*(var_1_4_Pointer)))) ? ((*(var_1_3_Pointer))) : ((*(var_1_4_Pointer)))))) : ((((((*(var_1_10_Pointer))) > ((*(var_1_11_Pointer)))) ? ((*(var_1_10_Pointer))) : ((*(var_1_11_Pointer)))))))))) : ((*(var_1_9_Pointer)) == ((unsigned long int) (((((*(var_1_11_Pointer))) > ((*(var_1_10_Pointer)))) ? ((*(var_1_11_Pointer))) : ((*(var_1_10_Pointer))))))))) && (((*(var_1_10_Pointer)) > (*(var_1_9_Pointer))) ? ((63.1 >= (*(var_1_7_Pointer))) ? (((*(var_1_7_Pointer)) >= (*(var_1_2_Pointer))) ? ((*(var_1_12_Pointer)) == ((signed short int) ((*(var_1_14_Pointer)) - (*(var_1_15_Pointer))))) : ((*(var_1_12_Pointer)) == ((signed short int) (*(var_1_14_Pointer))))) : 1) : ((*(var_1_12_Pointer)) == ((signed short int) (*(var_1_15_Pointer))))) ; [L124] RET, EXPR property() [L124] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L19] reach_error() VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, var_1_14={16:0}, var_1_14_Pointer={16:0}, var_1_15={17:0}, var_1_15_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 125 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.7s, OverallIterations: 5, TraceHistogramMax: 17, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 125 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 125 mSDsluCounter, 2237 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1490 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 85 IncrementalHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 747 mSDtfsCounter, 85 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 296 GetRequests, 282 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=220occurred in iteration=4, InterpolantAutomatonStates: 16, 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, 4 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 1110 NumberOfCodeBlocks, 1110 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 824 ConstructedInterpolants, 0 QuantifiedInterpolants, 952 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1172 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 3187/3264 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 [2024-11-24 01:58:55,661 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, 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_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-91.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 e9e4ac08d64372d2f1f353a052bd8114efdbe32f603eaa0ed2a80cf234f96dc2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:58:58,622 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:58:58,775 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-24 01:58:58,785 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:58:58,788 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:58:58,837 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:58:58,838 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:58:58,838 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:58:58,839 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:58:58,839 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:58:58,840 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:58:58,841 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:58:58,841 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:58:58,841 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:58:58,841 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:58:58,842 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:58:58,842 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:58:58,843 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 01:58:58,843 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 01:58:58,843 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:58:58,843 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:58:58,843 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:58:58,844 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:58:58,844 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 01:58:58,844 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 01:58:58,844 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 01:58:58,844 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 01:58:58,844 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:58:58,844 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:58:58,845 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:58:58,845 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:58:58,845 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:58:58,845 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:58:58,845 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:58:58,845 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:58:58,845 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:58:58,845 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:58:58,845 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:58:58,845 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:58:58,845 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:58:58,846 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:58:58,846 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:58:58,846 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:58:58,846 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:58:58,846 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-24 01:58:58,846 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 01:58:58,846 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:58:58,846 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:58:58,846 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:58:58,846 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:58:58,846 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_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 -> e9e4ac08d64372d2f1f353a052bd8114efdbe32f603eaa0ed2a80cf234f96dc2 [2024-11-24 01:58:59,258 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:58:59,271 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:58:59,274 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:58:59,276 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:58:59,278 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:58:59,279 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-91.i [2024-11-24 01:59:02,466 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/data/d4f683f85/4be347416ae742049480baf4f0e899a5/FLAG5a87e903d [2024-11-24 01:59:02,739 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:59:02,741 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-91.i [2024-11-24 01:59:02,755 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/data/d4f683f85/4be347416ae742049480baf4f0e899a5/FLAG5a87e903d [2024-11-24 01:59:02,783 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/data/d4f683f85/4be347416ae742049480baf4f0e899a5 [2024-11-24 01:59:02,787 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:59:02,790 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:59:02,792 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:59:02,792 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:59:02,798 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:59:02,799 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:59:02" (1/1) ... [2024-11-24 01:59:02,800 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ece095 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:59:02, skipping insertion in model container [2024-11-24 01:59:02,802 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:59:02" (1/1) ... [2024-11-24 01:59:02,829 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:59:03,026 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_f8ecea6e-6bc0-493b-8cdb-532608bd1621/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-91.i[916,929] [2024-11-24 01:59:03,146 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:59:03,177 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:59:03,192 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_f8ecea6e-6bc0-493b-8cdb-532608bd1621/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-91.i[916,929] [2024-11-24 01:59:03,247 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:59:03,272 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:59:03,273 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:59:03 WrapperNode [2024-11-24 01:59:03,273 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:59:03,274 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:59:03,274 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:59:03,275 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:59:03,285 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:59:03" (1/1) ... [2024-11-24 01:59:03,307 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:59:03" (1/1) ... [2024-11-24 01:59:03,375 INFO L138 Inliner]: procedures = 36, calls = 200, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 614 [2024-11-24 01:59:03,380 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:59:03,380 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:59:03,381 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:59:03,381 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:59:03,392 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:59:03" (1/1) ... [2024-11-24 01:59:03,392 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:59:03" (1/1) ... [2024-11-24 01:59:03,403 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:59:03" (1/1) ... [2024-11-24 01:59:03,432 INFO L175 MemorySlicer]: Split 158 memory accesses to 15 slices as follows [2, 5, 12, 20, 20, 7, 8, 12, 8, 7, 18, 16, 7, 8, 8]. 13 percent of accesses are in the largest equivalence class. The 16 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 19 writes are split as follows [0, 1, 1, 1, 1, 3, 1, 1, 1, 2, 1, 1, 3, 1, 1]. [2024-11-24 01:59:03,433 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:59:03" (1/1) ... [2024-11-24 01:59:03,433 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:59:03" (1/1) ... [2024-11-24 01:59:03,460 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:59:03" (1/1) ... [2024-11-24 01:59:03,462 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:59:03" (1/1) ... [2024-11-24 01:59:03,467 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:59:03" (1/1) ... [2024-11-24 01:59:03,473 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:59:03" (1/1) ... [2024-11-24 01:59:03,476 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:59:03" (1/1) ... [2024-11-24 01:59:03,484 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:59:03,485 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:59:03,485 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:59:03,485 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:59:03,486 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:59:03" (1/1) ... [2024-11-24 01:59:03,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:59:03,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:59:03,522 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:59:03,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:59:03,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:59:03,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2024-11-24 01:59:03,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2024-11-24 01:59:03,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2024-11-24 01:59:03,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2024-11-24 01:59:03,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2024-11-24 01:59:03,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#5 [2024-11-24 01:59:03,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#6 [2024-11-24 01:59:03,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#7 [2024-11-24 01:59:03,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#8 [2024-11-24 01:59:03,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#9 [2024-11-24 01:59:03,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#10 [2024-11-24 01:59:03,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#11 [2024-11-24 01:59:03,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#12 [2024-11-24 01:59:03,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#13 [2024-11-24 01:59:03,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#14 [2024-11-24 01:59:03,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-24 01:59:03,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-24 01:59:03,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-24 01:59:03,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-24 01:59:03,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-24 01:59:03,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-24 01:59:03,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-24 01:59:03,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-24 01:59:03,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-24 01:59:03,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-24 01:59:03,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-11-24 01:59:03,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-11-24 01:59:03,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2024-11-24 01:59:03,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#13 [2024-11-24 01:59:03,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#14 [2024-11-24 01:59:03,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-24 01:59:03,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-24 01:59:03,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-24 01:59:03,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-24 01:59:03,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-24 01:59:03,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-24 01:59:03,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2024-11-24 01:59:03,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2024-11-24 01:59:03,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8 [2024-11-24 01:59:03,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#9 [2024-11-24 01:59:03,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#10 [2024-11-24 01:59:03,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#11 [2024-11-24 01:59:03,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#12 [2024-11-24 01:59:03,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#13 [2024-11-24 01:59:03,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#14 [2024-11-24 01:59:03,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-24 01:59:03,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-24 01:59:03,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-11-24 01:59:03,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-11-24 01:59:03,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-11-24 01:59:03,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-11-24 01:59:03,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2024-11-24 01:59:03,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2024-11-24 01:59:03,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2024-11-24 01:59:03,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2024-11-24 01:59:03,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10 [2024-11-24 01:59:03,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#11 [2024-11-24 01:59:03,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#12 [2024-11-24 01:59:03,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#13 [2024-11-24 01:59:03,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#14 [2024-11-24 01:59:03,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-24 01:59:03,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-24 01:59:03,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-24 01:59:03,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-24 01:59:03,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-24 01:59:03,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-24 01:59:03,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-24 01:59:03,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-24 01:59:03,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-24 01:59:03,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-11-24 01:59:03,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-11-24 01:59:03,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2024-11-24 01:59:03,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2024-11-24 01:59:03,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#13 [2024-11-24 01:59:03,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#14 [2024-11-24 01:59:03,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-24 01:59:03,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-24 01:59:03,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-11-24 01:59:03,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-11-24 01:59:03,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-11-24 01:59:03,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-11-24 01:59:03,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#6 [2024-11-24 01:59:03,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#7 [2024-11-24 01:59:03,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#8 [2024-11-24 01:59:03,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#9 [2024-11-24 01:59:03,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#10 [2024-11-24 01:59:03,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#11 [2024-11-24 01:59:03,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#12 [2024-11-24 01:59:03,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#13 [2024-11-24 01:59:03,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#14 [2024-11-24 01:59:03,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-24 01:59:03,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-24 01:59:03,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-11-24 01:59:03,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-11-24 01:59:03,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-11-24 01:59:03,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-11-24 01:59:03,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2024-11-24 01:59:03,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2024-11-24 01:59:03,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2024-11-24 01:59:03,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2024-11-24 01:59:03,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10 [2024-11-24 01:59:03,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#11 [2024-11-24 01:59:03,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#12 [2024-11-24 01:59:03,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#13 [2024-11-24 01:59:03,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#14 [2024-11-24 01:59:03,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-11-24 01:59:03,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-11-24 01:59:03,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-11-24 01:59:03,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-11-24 01:59:03,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-11-24 01:59:03,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2024-11-24 01:59:03,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2024-11-24 01:59:03,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7 [2024-11-24 01:59:03,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8 [2024-11-24 01:59:03,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9 [2024-11-24 01:59:03,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#10 [2024-11-24 01:59:03,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#11 [2024-11-24 01:59:03,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#12 [2024-11-24 01:59:03,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#13 [2024-11-24 01:59:03,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#14 [2024-11-24 01:59:03,572 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 01:59:03,573 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 01:59:03,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:59:03,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:59:03,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-11-24 01:59:03,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-11-24 01:59:03,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-11-24 01:59:03,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-11-24 01:59:03,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2024-11-24 01:59:03,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2024-11-24 01:59:03,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#6 [2024-11-24 01:59:03,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#7 [2024-11-24 01:59:03,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#8 [2024-11-24 01:59:03,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#9 [2024-11-24 01:59:03,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#10 [2024-11-24 01:59:03,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#11 [2024-11-24 01:59:03,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#12 [2024-11-24 01:59:03,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#13 [2024-11-24 01:59:03,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#14 [2024-11-24 01:59:03,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-24 01:59:03,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-24 01:59:03,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-24 01:59:03,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-24 01:59:03,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-24 01:59:03,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-24 01:59:03,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-24 01:59:03,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-24 01:59:03,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-11-24 01:59:03,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-11-24 01:59:03,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-11-24 01:59:03,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2024-11-24 01:59:03,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2024-11-24 01:59:03,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#13 [2024-11-24 01:59:03,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#14 [2024-11-24 01:59:03,867 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:59:03,869 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:59:05,508 INFO L? ?]: Removed 171 outVars from TransFormulas that were not future-live. [2024-11-24 01:59:05,509 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:59:05,528 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:59:05,528 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 01:59:05,529 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:59:05 BoogieIcfgContainer [2024-11-24 01:59:05,529 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:59:05,531 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:59:05,531 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:59:05,538 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:59:05,538 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:59:02" (1/3) ... [2024-11-24 01:59:05,539 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e3975c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:59:05, skipping insertion in model container [2024-11-24 01:59:05,539 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:59:03" (2/3) ... [2024-11-24 01:59:05,539 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e3975c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:59:05, skipping insertion in model container [2024-11-24 01:59:05,539 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:59:05" (3/3) ... [2024-11-24 01:59:05,541 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-91.i [2024-11-24 01:59:05,560 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:59:05,562 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-p_file-91.i that has 2 procedures, 125 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 01:59:05,637 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:59:05,651 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;@773ac0dd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:59:05,651 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 01:59:05,656 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) [2024-11-24 01:59:05,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-24 01:59:05,669 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:59:05,670 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] [2024-11-24 01:59:05,670 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:59:05,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:59:05,676 INFO L85 PathProgramCache]: Analyzing trace with hash -267119193, now seen corresponding path program 1 times [2024-11-24 01:59:05,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:59:05,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2002725477] [2024-11-24 01:59:05,688 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:59:05,688 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 [2024-11-24 01:59:05,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:59:05,693 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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) [2024-11-24 01:59:05,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 01:59:06,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:59:06,324 INFO L256 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 01:59:06,336 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:59:06,392 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-11-24 01:59:06,393 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:59:06,395 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:59:06,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2002725477] [2024-11-24 01:59:06,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2002725477] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:59:06,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:59:06,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 01:59:06,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007395237] [2024-11-24 01:59:06,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:59:06,405 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 01:59:06,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:59:06,430 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 01:59:06,431 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:59:06,435 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) [2024-11-24 01:59:06,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:59:06,483 INFO L93 Difference]: Finished difference Result 243 states and 379 transitions. [2024-11-24 01:59:06,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 01:59:06,486 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 [2024-11-24 01:59:06,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:59:06,495 INFO L225 Difference]: With dead ends: 243 [2024-11-24 01:59:06,495 INFO L226 Difference]: Without dead ends: 121 [2024-11-24 01:59:06,500 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 [2024-11-24 01:59:06,503 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 [2024-11-24 01:59:06,507 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] [2024-11-24 01:59:06,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-11-24 01:59:06,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2024-11-24 01:59:06,545 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) [2024-11-24 01:59:06,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 177 transitions. [2024-11-24 01:59:06,556 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 177 transitions. Word has length 138 [2024-11-24 01:59:06,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:59:06,556 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 177 transitions. [2024-11-24 01:59:06,557 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) [2024-11-24 01:59:06,557 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 177 transitions. [2024-11-24 01:59:06,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-24 01:59:06,566 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:59:06,567 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] [2024-11-24 01:59:06,579 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 01:59:06,767 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 01:59:06,768 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:59:06,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:59:06,769 INFO L85 PathProgramCache]: Analyzing trace with hash -2093642487, now seen corresponding path program 1 times [2024-11-24 01:59:06,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:59:06,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [971014859] [2024-11-24 01:59:06,770 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:59:06,770 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 [2024-11-24 01:59:06,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:59:06,774 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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) [2024-11-24 01:59:06,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 01:59:07,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:59:07,308 INFO L256 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 01:59:07,314 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:59:07,397 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 264 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-11-24 01:59:07,399 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:59:07,400 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:59:07,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [971014859] [2024-11-24 01:59:07,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [971014859] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:59:07,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:59:07,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 01:59:07,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201652116] [2024-11-24 01:59:07,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:59:07,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:59:07,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:59:07,405 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:59:07,406 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:59:07,407 INFO L87 Difference]: Start difference. First operand 121 states and 177 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 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) [2024-11-24 01:59:07,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:59:07,507 INFO L93 Difference]: Finished difference Result 241 states and 354 transitions. [2024-11-24 01:59:07,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 01:59:07,508 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 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 [2024-11-24 01:59:07,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:59:07,510 INFO L225 Difference]: With dead ends: 241 [2024-11-24 01:59:07,510 INFO L226 Difference]: Without dead ends: 123 [2024-11-24 01:59:07,511 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 [2024-11-24 01:59:07,512 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, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:59:07,512 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 514 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:59:07,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-11-24 01:59:07,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2024-11-24 01:59:07,524 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) [2024-11-24 01:59:07,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 179 transitions. [2024-11-24 01:59:07,526 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 179 transitions. Word has length 138 [2024-11-24 01:59:07,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:59:07,528 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 179 transitions. [2024-11-24 01:59:07,528 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 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) [2024-11-24 01:59:07,529 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 179 transitions. [2024-11-24 01:59:07,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-24 01:59:07,531 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:59:07,532 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] [2024-11-24 01:59:07,541 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 01:59:07,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 01:59:07,733 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:59:07,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:59:07,735 INFO L85 PathProgramCache]: Analyzing trace with hash -153060473, now seen corresponding path program 1 times [2024-11-24 01:59:07,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:59:07,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [560540331] [2024-11-24 01:59:07,738 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:59:07,738 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 [2024-11-24 01:59:07,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:59:07,739 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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) [2024-11-24 01:59:07,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 01:59:08,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:59:08,251 INFO L256 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 01:59:08,260 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:59:08,304 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 01:59:08,306 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:59:08,306 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:59:08,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [560540331] [2024-11-24 01:59:08,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [560540331] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:59:08,307 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:59:08,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 01:59:08,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372783887] [2024-11-24 01:59:08,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:59:08,308 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:59:08,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:59:08,309 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:59:08,309 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:59:08,309 INFO L87 Difference]: Start difference. First operand 123 states and 179 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) [2024-11-24 01:59:08,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:59:08,389 INFO L93 Difference]: Finished difference Result 245 states and 358 transitions. [2024-11-24 01:59:08,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 01:59:08,390 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 [2024-11-24 01:59:08,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:59:08,391 INFO L225 Difference]: With dead ends: 245 [2024-11-24 01:59:08,392 INFO L226 Difference]: Without dead ends: 125 [2024-11-24 01:59:08,392 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 [2024-11-24 01:59:08,397 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 [2024-11-24 01:59:08,397 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] [2024-11-24 01:59:08,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-11-24 01:59:08,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2024-11-24 01:59:08,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 106 states have (on average 1.3867924528301887) internal successors, (147), 106 states have internal predecessors, (147), 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) [2024-11-24 01:59:08,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 181 transitions. [2024-11-24 01:59:08,420 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 181 transitions. Word has length 138 [2024-11-24 01:59:08,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:59:08,423 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 181 transitions. [2024-11-24 01:59:08,423 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) [2024-11-24 01:59:08,423 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 181 transitions. [2024-11-24 01:59:08,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-24 01:59:08,430 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:59:08,430 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] [2024-11-24 01:59:08,438 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 01:59:08,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 01:59:08,631 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:59:08,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:59:08,632 INFO L85 PathProgramCache]: Analyzing trace with hash 1792921273, now seen corresponding path program 1 times [2024-11-24 01:59:08,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:59:08,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1520266696] [2024-11-24 01:59:08,633 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:59:08,633 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 [2024-11-24 01:59:08,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:59:08,635 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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) [2024-11-24 01:59:08,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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)] Waiting until timeout for monitored process [2024-11-24 01:59:09,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:59:09,198 INFO L256 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 01:59:09,208 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:59:09,798 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 17 treesize of output 13 [2024-11-24 01:59:09,908 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 54 treesize of output 42 [2024-11-24 01:59:09,968 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 280 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 01:59:09,968 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:59:10,227 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 01:59:10,228 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:59:10,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1520266696] [2024-11-24 01:59:10,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1520266696] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 01:59:10,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:59:10,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 9 [2024-11-24 01:59:10,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105844285] [2024-11-24 01:59:10,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:59:10,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:59:10,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:59:10,231 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:59:10,232 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-24 01:59:10,232 INFO L87 Difference]: Start difference. First operand 125 states and 181 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 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) [2024-11-24 01:59:11,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:59:11,067 INFO L93 Difference]: Finished difference Result 345 states and 500 transitions. [2024-11-24 01:59:11,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 01:59:11,068 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 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 [2024-11-24 01:59:11,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:59:11,071 INFO L225 Difference]: With dead ends: 345 [2024-11-24 01:59:11,072 INFO L226 Difference]: Without dead ends: 223 [2024-11-24 01:59:11,073 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 271 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-24 01:59:11,074 INFO L435 NwaCegarLoop]: 220 mSDtfsCounter, 125 mSDsluCounter, 812 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 1032 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-24 01:59:11,074 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 1032 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-24 01:59:11,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2024-11-24 01:59:11,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 220. [2024-11-24 01:59:11,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 193 states have (on average 1.4041450777202074) internal successors, (271), 194 states have internal predecessors, (271), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-24 01:59:11,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 319 transitions. [2024-11-24 01:59:11,102 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 319 transitions. Word has length 140 [2024-11-24 01:59:11,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:59:11,103 INFO L471 AbstractCegarLoop]: Abstraction has 220 states and 319 transitions. [2024-11-24 01:59:11,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 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) [2024-11-24 01:59:11,106 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 319 transitions. [2024-11-24 01:59:11,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-24 01:59:11,108 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:59:11,108 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] [2024-11-24 01:59:11,119 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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)] Ended with exit code 0 [2024-11-24 01:59:11,309 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 01:59:11,309 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:59:11,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:59:11,310 INFO L85 PathProgramCache]: Analyzing trace with hash -1867529438, now seen corresponding path program 1 times [2024-11-24 01:59:11,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:59:11,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1484164867] [2024-11-24 01:59:11,311 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:59:11,311 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 [2024-11-24 01:59:11,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:59:11,315 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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) [2024-11-24 01:59:11,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 01:59:11,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:59:11,712 INFO L256 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 01:59:11,718 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:59:14,193 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 [2024-11-24 01:59:14,288 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 01:59:14,289 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:59:14,289 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:59:14,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1484164867] [2024-11-24 01:59:14,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1484164867] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:59:14,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:59:14,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-24 01:59:14,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611917331] [2024-11-24 01:59:14,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:59:14,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-24 01:59:14,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:59:14,291 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-24 01:59:14,291 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-24 01:59:14,291 INFO L87 Difference]: Start difference. First operand 220 states and 319 transitions. Second operand has 8 states, 8 states have (on average 7.25) internal successors, (58), 7 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) [2024-11-24 01:59:17,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:59:17,717 INFO L93 Difference]: Finished difference Result 640 states and 929 transitions. [2024-11-24 01:59:17,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-24 01:59:17,721 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 7 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 [2024-11-24 01:59:17,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:59:17,727 INFO L225 Difference]: With dead ends: 640 [2024-11-24 01:59:17,728 INFO L226 Difference]: Without dead ends: 423 [2024-11-24 01:59:17,729 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2024-11-24 01:59:17,730 INFO L435 NwaCegarLoop]: 146 mSDtfsCounter, 391 mSDsluCounter, 554 mSDsCounter, 0 mSdLazyCounter, 374 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 391 SdHoareTripleChecker+Valid, 700 SdHoareTripleChecker+Invalid, 409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:59:17,730 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [391 Valid, 700 Invalid, 409 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 374 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-24 01:59:17,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2024-11-24 01:59:17,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 348. [2024-11-24 01:59:17,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 295 states have (on average 1.3932203389830509) internal successors, (411), 297 states have internal predecessors, (411), 48 states have call successors, (48), 4 states have call predecessors, (48), 4 states have return successors, (48), 46 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-24 01:59:17,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 507 transitions. [2024-11-24 01:59:17,775 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 507 transitions. Word has length 140 [2024-11-24 01:59:17,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:59:17,775 INFO L471 AbstractCegarLoop]: Abstraction has 348 states and 507 transitions. [2024-11-24 01:59:17,776 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 7 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) [2024-11-24 01:59:17,776 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 507 transitions. [2024-11-24 01:59:17,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-24 01:59:17,782 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:59:17,782 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] [2024-11-24 01:59:17,792 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 01:59:17,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 01:59:17,983 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:59:17,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:59:17,983 INFO L85 PathProgramCache]: Analyzing trace with hash -468575836, now seen corresponding path program 1 times [2024-11-24 01:59:17,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:59:17,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [473426169] [2024-11-24 01:59:17,984 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:59:17,984 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 [2024-11-24 01:59:17,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:59:17,988 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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) [2024-11-24 01:59:17,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 (7)] Waiting until timeout for monitored process [2024-11-24 01:59:18,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:59:18,406 INFO L256 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 01:59:18,410 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:59:18,429 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 01:59:18,429 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:59:18,429 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:59:18,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [473426169] [2024-11-24 01:59:18,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [473426169] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:59:18,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:59:18,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 01:59:18,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704450950] [2024-11-24 01:59:18,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:59:18,433 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:59:18,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:59:18,434 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:59:18,435 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:59:18,435 INFO L87 Difference]: Start difference. First operand 348 states and 507 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 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) [2024-11-24 01:59:18,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:59:18,515 INFO L93 Difference]: Finished difference Result 693 states and 1011 transitions. [2024-11-24 01:59:18,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 01:59:18,519 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 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 [2024-11-24 01:59:18,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:59:18,522 INFO L225 Difference]: With dead ends: 693 [2024-11-24 01:59:18,522 INFO L226 Difference]: Without dead ends: 348 [2024-11-24 01:59:18,525 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:59:18,526 INFO L435 NwaCegarLoop]: 177 mSDtfsCounter, 0 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 518 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:59:18,529 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 518 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:59:18,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2024-11-24 01:59:18,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 348. [2024-11-24 01:59:18,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 295 states have (on average 1.3864406779661016) internal successors, (409), 297 states have internal predecessors, (409), 48 states have call successors, (48), 4 states have call predecessors, (48), 4 states have return successors, (48), 46 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-24 01:59:18,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 505 transitions. [2024-11-24 01:59:18,582 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 505 transitions. Word has length 140 [2024-11-24 01:59:18,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:59:18,582 INFO L471 AbstractCegarLoop]: Abstraction has 348 states and 505 transitions. [2024-11-24 01:59:18,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 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) [2024-11-24 01:59:18,582 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 505 transitions. [2024-11-24 01:59:18,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-24 01:59:18,588 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:59:18,588 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] [2024-11-24 01:59:18,597 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 (7)] Ended with exit code 0 [2024-11-24 01:59:18,789 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 01:59:18,789 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:59:18,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:59:18,790 INFO L85 PathProgramCache]: Analyzing trace with hash -1840942404, now seen corresponding path program 1 times [2024-11-24 01:59:18,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:59:18,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1507472803] [2024-11-24 01:59:18,790 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:59:18,791 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 [2024-11-24 01:59:18,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:59:18,792 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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) [2024-11-24 01:59:18,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 01:59:19,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:59:19,195 INFO L256 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-24 01:59:19,199 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:59:19,664 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 25 treesize of output 17 [2024-11-24 01:59:19,679 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 21 treesize of output 13 [2024-11-24 01:59:19,686 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 17 treesize of output 9 [2024-11-24 01:59:19,871 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 01:59:19,872 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:59:19,872 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:59:19,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1507472803] [2024-11-24 01:59:19,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1507472803] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:59:19,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:59:19,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:59:19,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926923315] [2024-11-24 01:59:19,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:59:19,873 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:59:19,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:59:19,874 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:59:19,874 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:59:19,874 INFO L87 Difference]: Start difference. First operand 348 states and 505 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 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) [2024-11-24 01:59:21,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:59:21,548 INFO L93 Difference]: Finished difference Result 812 states and 1169 transitions. [2024-11-24 01:59:21,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:59:21,551 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 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 [2024-11-24 01:59:21,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:59:21,555 INFO L225 Difference]: With dead ends: 812 [2024-11-24 01:59:21,555 INFO L226 Difference]: Without dead ends: 467 [2024-11-24 01:59:21,556 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:59:21,557 INFO L435 NwaCegarLoop]: 253 mSDtfsCounter, 89 mSDsluCounter, 609 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 862 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-24 01:59:21,557 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 862 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-24 01:59:21,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2024-11-24 01:59:21,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 461. [2024-11-24 01:59:21,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 461 states, 400 states have (on average 1.39) internal successors, (556), 406 states have internal predecessors, (556), 52 states have call successors, (52), 8 states have call predecessors, (52), 8 states have return successors, (52), 46 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-24 01:59:21,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 660 transitions. [2024-11-24 01:59:21,631 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 660 transitions. Word has length 141 [2024-11-24 01:59:21,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:59:21,632 INFO L471 AbstractCegarLoop]: Abstraction has 461 states and 660 transitions. [2024-11-24 01:59:21,632 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 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) [2024-11-24 01:59:21,633 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 660 transitions. [2024-11-24 01:59:21,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-24 01:59:21,635 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:59:21,635 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] [2024-11-24 01:59:21,645 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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)] Ended with exit code 0 [2024-11-24 01:59:21,839 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 01:59:21,839 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:59:21,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:59:21,840 INFO L85 PathProgramCache]: Analyzing trace with hash 1311178974, now seen corresponding path program 1 times [2024-11-24 01:59:21,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:59:21,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1678405732] [2024-11-24 01:59:21,840 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:59:21,840 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 [2024-11-24 01:59:21,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:59:21,842 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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) [2024-11-24 01:59:21,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 01:59:22,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:59:22,230 INFO L256 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-24 01:59:22,233 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:59:22,680 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 26 treesize of output 18 [2024-11-24 01:59:22,690 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 22 treesize of output 14 [2024-11-24 01:59:22,695 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 18 treesize of output 10 [2024-11-24 01:59:22,845 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 01:59:22,845 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:59:22,845 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:59:22,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1678405732] [2024-11-24 01:59:22,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1678405732] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:59:22,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:59:22,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:59:22,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652878935] [2024-11-24 01:59:22,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:59:22,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:59:22,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:59:22,846 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:59:22,846 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:59:22,846 INFO L87 Difference]: Start difference. First operand 461 states and 660 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 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) [2024-11-24 01:59:24,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:59:24,529 INFO L93 Difference]: Finished difference Result 927 states and 1314 transitions. [2024-11-24 01:59:24,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:59:24,532 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 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 [2024-11-24 01:59:24,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:59:24,536 INFO L225 Difference]: With dead ends: 927 [2024-11-24 01:59:24,536 INFO L226 Difference]: Without dead ends: 480 [2024-11-24 01:59:24,537 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:59:24,538 INFO L435 NwaCegarLoop]: 174 mSDtfsCounter, 87 mSDsluCounter, 473 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 647 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-24 01:59:24,539 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 647 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-24 01:59:24,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2024-11-24 01:59:24,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 409. [2024-11-24 01:59:24,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 352 states have (on average 1.3835227272727273) internal successors, (487), 354 states have internal predecessors, (487), 48 states have call successors, (48), 8 states have call predecessors, (48), 8 states have return successors, (48), 46 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-24 01:59:24,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 583 transitions. [2024-11-24 01:59:24,576 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 583 transitions. Word has length 142 [2024-11-24 01:59:24,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:59:24,577 INFO L471 AbstractCegarLoop]: Abstraction has 409 states and 583 transitions. [2024-11-24 01:59:24,577 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 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) [2024-11-24 01:59:24,577 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 583 transitions. [2024-11-24 01:59:24,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-24 01:59:24,583 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:59:24,583 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] [2024-11-24 01:59:24,594 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 01:59:24,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 01:59:24,784 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:59:24,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:59:24,785 INFO L85 PathProgramCache]: Analyzing trace with hash -704608280, now seen corresponding path program 1 times [2024-11-24 01:59:24,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:59:24,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2121869793] [2024-11-24 01:59:24,786 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:59:24,786 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 [2024-11-24 01:59:24,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:59:24,788 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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) [2024-11-24 01:59:24,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 01:59:25,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:59:25,198 INFO L256 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-24 01:59:25,202 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:59:27,816 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 69 treesize of output 33 [2024-11-24 01:59:27,914 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 16 proven. 48 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-24 01:59:27,914 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:59:28,312 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 01:59:28,312 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:59:28,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2121869793] [2024-11-24 01:59:28,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2121869793] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 01:59:28,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:59:28,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 16 [2024-11-24 01:59:28,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880110125] [2024-11-24 01:59:28,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:59:28,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:59:28,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:59:28,314 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:59:28,314 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2024-11-24 01:59:28,314 INFO L87 Difference]: Start difference. First operand 409 states and 583 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 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) [2024-11-24 01:59:30,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:59:30,097 INFO L93 Difference]: Finished difference Result 1013 states and 1455 transitions. [2024-11-24 01:59:30,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:59:30,099 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 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 [2024-11-24 01:59:30,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:59:30,103 INFO L225 Difference]: With dead ends: 1013 [2024-11-24 01:59:30,103 INFO L226 Difference]: Without dead ends: 607 [2024-11-24 01:59:30,104 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 283 GetRequests, 268 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2024-11-24 01:59:30,105 INFO L435 NwaCegarLoop]: 162 mSDtfsCounter, 156 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 455 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-24 01:59:30,105 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 455 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-24 01:59:30,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 607 states. [2024-11-24 01:59:30,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 607 to 409. [2024-11-24 01:59:30,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 352 states have (on average 1.3835227272727273) internal successors, (487), 354 states have internal predecessors, (487), 48 states have call successors, (48), 8 states have call predecessors, (48), 8 states have return successors, (48), 46 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-24 01:59:30,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 583 transitions. [2024-11-24 01:59:30,146 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 583 transitions. Word has length 142 [2024-11-24 01:59:30,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:59:30,147 INFO L471 AbstractCegarLoop]: Abstraction has 409 states and 583 transitions. [2024-11-24 01:59:30,147 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 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) [2024-11-24 01:59:30,148 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 583 transitions. [2024-11-24 01:59:30,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-24 01:59:30,150 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:59:30,150 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] [2024-11-24 01:59:30,160 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 01:59:30,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 01:59:30,352 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:59:30,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:59:30,352 INFO L85 PathProgramCache]: Analyzing trace with hash -1512931937, now seen corresponding path program 1 times [2024-11-24 01:59:30,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:59:30,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1794886389] [2024-11-24 01:59:30,353 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:59:30,353 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 [2024-11-24 01:59:30,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:59:30,358 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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) [2024-11-24 01:59:30,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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)] Waiting until timeout for monitored process [2024-11-24 01:59:30,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:59:30,863 INFO L256 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 01:59:30,868 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:59:31,340 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 17 treesize of output 13 [2024-11-24 01:59:31,438 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 54 treesize of output 42 [2024-11-24 01:59:31,539 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 280 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 01:59:31,539 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:59:31,863 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 01:59:31,863 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:59:31,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1794886389] [2024-11-24 01:59:31,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1794886389] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 01:59:31,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:59:31,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 11 [2024-11-24 01:59:31,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446147089] [2024-11-24 01:59:31,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:59:31,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 01:59:31,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:59:31,865 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 01:59:31,865 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-24 01:59:31,865 INFO L87 Difference]: Start difference. First operand 409 states and 583 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 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) [2024-11-24 01:59:32,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:59:32,611 INFO L93 Difference]: Finished difference Result 823 states and 1171 transitions. [2024-11-24 01:59:32,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 01:59:32,612 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 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 [2024-11-24 01:59:32,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:59:32,615 INFO L225 Difference]: With dead ends: 823 [2024-11-24 01:59:32,615 INFO L226 Difference]: Without dead ends: 417 [2024-11-24 01:59:32,616 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 275 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2024-11-24 01:59:32,617 INFO L435 NwaCegarLoop]: 219 mSDtfsCounter, 125 mSDsluCounter, 1026 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 1245 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-24 01:59:32,618 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 1245 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-24 01:59:32,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2024-11-24 01:59:32,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 410. [2024-11-24 01:59:32,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 410 states, 353 states have (on average 1.3824362606232294) internal successors, (488), 355 states have internal predecessors, (488), 48 states have call successors, (48), 8 states have call predecessors, (48), 8 states have return successors, (48), 46 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-24 01:59:32,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 584 transitions. [2024-11-24 01:59:32,649 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 584 transitions. Word has length 143 [2024-11-24 01:59:32,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:59:32,650 INFO L471 AbstractCegarLoop]: Abstraction has 410 states and 584 transitions. [2024-11-24 01:59:32,651 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 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) [2024-11-24 01:59:32,651 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 584 transitions. [2024-11-24 01:59:32,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-24 01:59:32,654 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:59:32,654 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] [2024-11-24 01:59:32,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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)] Forceful destruction successful, exit code 0 [2024-11-24 01:59:32,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 01:59:32,855 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:59:32,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:59:32,855 INFO L85 PathProgramCache]: Analyzing trace with hash -811867359, now seen corresponding path program 1 times [2024-11-24 01:59:32,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:59:32,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [542465700] [2024-11-24 01:59:32,856 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:59:32,856 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 [2024-11-24 01:59:32,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:59:32,860 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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) [2024-11-24 01:59:32,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 01:59:43,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:59:44,043 INFO L256 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-24 01:59:44,048 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:00:03,584 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 130 treesize of output 82 [2024-11-24 02:00:03,598 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 118 treesize of output 70 [2024-11-24 02:00:03,609 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 82 treesize of output 46 [2024-11-24 02:00:06,708 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 284 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-11-24 02:00:06,708 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 02:00:28,037 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 02:00:28,038 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 02:00:28,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [542465700] [2024-11-24 02:00:28,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [542465700] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 02:00:28,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 02:00:28,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [15] total 19 [2024-11-24 02:00:28,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683920981] [2024-11-24 02:00:28,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:00:28,039 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 02:00:28,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 02:00:28,040 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 02:00:28,040 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=298, Unknown=0, NotChecked=0, Total=342 [2024-11-24 02:00:28,040 INFO L87 Difference]: Start difference. First operand 410 states and 584 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) [2024-11-24 02:00:55,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:00:55,748 INFO L93 Difference]: Finished difference Result 851 states and 1211 transitions. [2024-11-24 02:00:55,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 02:00:55,757 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 [2024-11-24 02:00:55,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:00:55,760 INFO L225 Difference]: With dead ends: 851 [2024-11-24 02:00:55,760 INFO L226 Difference]: Without dead ends: 444 [2024-11-24 02:00:55,762 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 267 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 27.9s TimeCoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2024-11-24 02:00:55,763 INFO L435 NwaCegarLoop]: 241 mSDtfsCounter, 148 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 600 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.8s IncrementalHoareTripleChecker+Time [2024-11-24 02:00:55,763 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 600 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 22.8s Time] [2024-11-24 02:00:55,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2024-11-24 02:00:55,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 408. [2024-11-24 02:00:55,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 351 states have (on average 1.3817663817663817) internal successors, (485), 353 states have internal predecessors, (485), 48 states have call successors, (48), 8 states have call predecessors, (48), 8 states have return successors, (48), 46 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-24 02:00:55,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 581 transitions. [2024-11-24 02:00:55,815 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 581 transitions. Word has length 143 [2024-11-24 02:00:55,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:00:55,816 INFO L471 AbstractCegarLoop]: Abstraction has 408 states and 581 transitions. [2024-11-24 02:00:55,816 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) [2024-11-24 02:00:55,816 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 581 transitions. [2024-11-24 02:00:55,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-24 02:00:55,820 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:00:55,820 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] [2024-11-24 02:00:55,835 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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)] Forceful destruction successful, exit code 0 [2024-11-24 02:00:56,020 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:00:56,021 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:00:56,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:00:56,022 INFO L85 PathProgramCache]: Analyzing trace with hash 976597025, now seen corresponding path program 1 times [2024-11-24 02:00:56,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:00:56,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1428908786] [2024-11-24 02:00:56,023 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:00:56,023 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 [2024-11-24 02:00:56,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 02:00:56,025 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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) [2024-11-24 02:00:56,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:01:06,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:01:06,282 INFO L256 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-24 02:01:06,289 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:01:25,519 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 107 treesize of output 71 [2024-11-24 02:01:25,536 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 95 treesize of output 59 [2024-11-24 02:01:25,546 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 83 treesize of output 47 [2024-11-24 02:01:28,297 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 284 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-11-24 02:01:28,297 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 02:01:51,146 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 02:01:51,146 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 02:01:51,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1428908786] [2024-11-24 02:01:51,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1428908786] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 02:01:51,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 02:01:51,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [18] total 22 [2024-11-24 02:01:51,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135227404] [2024-11-24 02:01:51,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:01:51,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 02:01:51,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 02:01:51,148 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 02:01:51,148 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=410, Unknown=0, NotChecked=0, Total=462 [2024-11-24 02:01:51,148 INFO L87 Difference]: Start difference. First operand 408 states and 581 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) [2024-11-24 02:02:18,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:02:18,104 INFO L93 Difference]: Finished difference Result 817 states and 1162 transitions. [2024-11-24 02:02:18,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 02:02:18,110 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 [2024-11-24 02:02:18,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:02:18,112 INFO L225 Difference]: With dead ends: 817 [2024-11-24 02:02:18,112 INFO L226 Difference]: Without dead ends: 412 [2024-11-24 02:02:18,114 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 264 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 32.3s TimeCoverageRelationStatistics Valid=57, Invalid=449, Unknown=0, NotChecked=0, Total=506 [2024-11-24 02:02:18,114 INFO L435 NwaCegarLoop]: 226 mSDtfsCounter, 144 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 574 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.7s IncrementalHoareTripleChecker+Time [2024-11-24 02:02:18,114 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 574 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 21.7s Time] [2024-11-24 02:02:18,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2024-11-24 02:02:18,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 408. [2024-11-24 02:02:18,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 351 states have (on average 1.378917378917379) internal successors, (484), 353 states have internal predecessors, (484), 48 states have call successors, (48), 8 states have call predecessors, (48), 8 states have return successors, (48), 46 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-24 02:02:18,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 580 transitions. [2024-11-24 02:02:18,148 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 580 transitions. Word has length 143 [2024-11-24 02:02:18,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:02:18,148 INFO L471 AbstractCegarLoop]: Abstraction has 408 states and 580 transitions. [2024-11-24 02:02:18,148 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) [2024-11-24 02:02:18,148 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 580 transitions. [2024-11-24 02:02:18,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-24 02:02:18,152 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:02:18,153 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] [2024-11-24 02:02:18,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:02:18,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:02:18,353 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:02:18,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:02:18,354 INFO L85 PathProgramCache]: Analyzing trace with hash 1677661603, now seen corresponding path program 1 times [2024-11-24 02:02:18,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:02:18,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [751256343] [2024-11-24 02:02:18,355 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:02:18,355 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 [2024-11-24 02:02:18,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 02:02:18,359 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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) [2024-11-24 02:02:18,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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)] Waiting until timeout for monitored process [2024-11-24 02:02:18,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:02:18,768 INFO L256 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-24 02:02:18,772 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:02:18,780 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 [2024-11-24 02:02:18,833 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 37 treesize of output 25 [2024-11-24 02:02:18,895 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 02:02:18,895 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:02:18,895 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 02:02:18,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [751256343] [2024-11-24 02:02:18,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [751256343] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:02:18,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:02:18,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-24 02:02:18,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086852815] [2024-11-24 02:02:18,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:02:18,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 02:02:18,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 02:02:18,897 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 02:02:18,897 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-24 02:02:18,897 INFO L87 Difference]: Start difference. First operand 408 states and 580 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 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) [2024-11-24 02:02:19,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:02:19,599 INFO L93 Difference]: Finished difference Result 948 states and 1345 transitions. [2024-11-24 02:02:19,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 02:02:19,602 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 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 [2024-11-24 02:02:19,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:02:19,605 INFO L225 Difference]: With dead ends: 948 [2024-11-24 02:02:19,605 INFO L226 Difference]: Without dead ends: 543 [2024-11-24 02:02:19,606 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-24 02:02:19,607 INFO L435 NwaCegarLoop]: 340 mSDtfsCounter, 160 mSDsluCounter, 1485 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 1825 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-24 02:02:19,607 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 1825 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-24 02:02:19,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2024-11-24 02:02:19,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 410. [2024-11-24 02:02:19,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 410 states, 353 states have (on average 1.3767705382436262) internal successors, (486), 355 states have internal predecessors, (486), 48 states have call successors, (48), 8 states have call predecessors, (48), 8 states have return successors, (48), 46 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-24 02:02:19,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 582 transitions. [2024-11-24 02:02:19,642 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 582 transitions. Word has length 143 [2024-11-24 02:02:19,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:02:19,643 INFO L471 AbstractCegarLoop]: Abstraction has 410 states and 582 transitions. [2024-11-24 02:02:19,643 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 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) [2024-11-24 02:02:19,643 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 582 transitions. [2024-11-24 02:02:19,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-24 02:02:19,645 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:02:19,645 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] [2024-11-24 02:02:19,655 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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)] Ended with exit code 0 [2024-11-24 02:02:19,845 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:02:19,845 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:02:19,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:02:19,846 INFO L85 PathProgramCache]: Analyzing trace with hash -1262390164, now seen corresponding path program 1 times [2024-11-24 02:02:19,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:02:19,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [588442212] [2024-11-24 02:02:19,846 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:02:19,847 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 [2024-11-24 02:02:19,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 02:02:19,848 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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) [2024-11-24 02:02:19,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:02:20,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:02:20,219 INFO L256 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-24 02:02:20,223 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:02:20,245 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 11 [2024-11-24 02:02:20,310 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 19 treesize of output 11 [2024-11-24 02:02:20,335 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 15 treesize of output 7 [2024-11-24 02:02:20,405 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 02:02:20,406 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:02:20,406 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 02:02:20,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [588442212] [2024-11-24 02:02:20,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [588442212] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:02:20,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:02:20,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-24 02:02:20,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575928992] [2024-11-24 02:02:20,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:02:20,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-24 02:02:20,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 02:02:20,407 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-24 02:02:20,407 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-24 02:02:20,407 INFO L87 Difference]: Start difference. First operand 410 states and 582 transitions. Second operand has 9 states, 9 states have (on average 6.888888888888889) 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) [2024-11-24 02:02:21,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:02:21,187 INFO L93 Difference]: Finished difference Result 1122 states and 1578 transitions. [2024-11-24 02:02:21,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-24 02:02:21,188 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.888888888888889) 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 [2024-11-24 02:02:21,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:02:21,191 INFO L225 Difference]: With dead ends: 1122 [2024-11-24 02:02:21,191 INFO L226 Difference]: Without dead ends: 715 [2024-11-24 02:02:21,192 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-11-24 02:02:21,193 INFO L435 NwaCegarLoop]: 225 mSDtfsCounter, 120 mSDsluCounter, 1420 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 1645 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-24 02:02:21,193 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 1645 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-24 02:02:21,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 715 states. [2024-11-24 02:02:21,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 715 to 711. [2024-11-24 02:02:21,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 711 states, 610 states have (on average 1.3540983606557377) internal successors, (826), 616 states have internal predecessors, (826), 84 states have call successors, (84), 16 states have call predecessors, (84), 16 states have return successors, (84), 78 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-24 02:02:21,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 711 states and 994 transitions. [2024-11-24 02:02:21,249 INFO L78 Accepts]: Start accepts. Automaton has 711 states and 994 transitions. Word has length 144 [2024-11-24 02:02:21,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:02:21,251 INFO L471 AbstractCegarLoop]: Abstraction has 711 states and 994 transitions. [2024-11-24 02:02:21,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.888888888888889) 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) [2024-11-24 02:02:21,251 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 994 transitions. [2024-11-24 02:02:21,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-24 02:02:21,253 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:02:21,253 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] [2024-11-24 02:02:21,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:02:21,453 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:02:21,454 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:02:21,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:02:21,455 INFO L85 PathProgramCache]: Analyzing trace with hash -582331794, now seen corresponding path program 1 times [2024-11-24 02:02:21,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:02:21,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [399892967] [2024-11-24 02:02:21,456 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:02:21,456 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 [2024-11-24 02:02:21,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 02:02:21,460 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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) [2024-11-24 02:02:21,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:02:21,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:02:21,900 INFO L256 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 02:02:21,904 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:02:22,009 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 11 [2024-11-24 02:02:22,079 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 19 treesize of output 11 [2024-11-24 02:02:22,222 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 19 treesize of output 11 [2024-11-24 02:02:22,226 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 15 treesize of output 7 [2024-11-24 02:02:22,264 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 02:02:22,264 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:02:22,265 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 02:02:22,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [399892967] [2024-11-24 02:02:22,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [399892967] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:02:22,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:02:22,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-24 02:02:22,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760458297] [2024-11-24 02:02:22,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:02:22,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-24 02:02:22,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 02:02:22,266 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-24 02:02:22,266 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-24 02:02:22,266 INFO L87 Difference]: Start difference. First operand 711 states and 994 transitions. Second operand has 8 states, 8 states have (on average 7.75) 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) [2024-11-24 02:02:23,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:02:23,184 INFO L93 Difference]: Finished difference Result 1415 states and 1966 transitions. [2024-11-24 02:02:23,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 02:02:23,186 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.75) 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 [2024-11-24 02:02:23,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:02:23,190 INFO L225 Difference]: With dead ends: 1415 [2024-11-24 02:02:23,190 INFO L226 Difference]: Without dead ends: 707 [2024-11-24 02:02:23,192 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-24 02:02:23,192 INFO L435 NwaCegarLoop]: 224 mSDtfsCounter, 112 mSDsluCounter, 1091 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 1315 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-24 02:02:23,193 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 1315 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-24 02:02:23,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states. [2024-11-24 02:02:23,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 705. [2024-11-24 02:02:23,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 705 states, 602 states have (on average 1.3255813953488371) internal successors, (798), 608 states have internal predecessors, (798), 84 states have call successors, (84), 18 states have call predecessors, (84), 18 states have return successors, (84), 78 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-24 02:02:23,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 705 states and 966 transitions. [2024-11-24 02:02:23,250 INFO L78 Accepts]: Start accepts. Automaton has 705 states and 966 transitions. Word has length 144 [2024-11-24 02:02:23,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:02:23,251 INFO L471 AbstractCegarLoop]: Abstraction has 705 states and 966 transitions. [2024-11-24 02:02:23,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.75) 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) [2024-11-24 02:02:23,251 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 966 transitions. [2024-11-24 02:02:23,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-24 02:02:23,253 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:02:23,253 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] [2024-11-24 02:02:23,262 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:02:23,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:02:23,455 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:02:23,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:02:23,456 INFO L85 PathProgramCache]: Analyzing trace with hash -1043535446, now seen corresponding path program 1 times [2024-11-24 02:02:23,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:02:23,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1983479013] [2024-11-24 02:02:23,457 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:02:23,457 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 [2024-11-24 02:02:23,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 02:02:23,459 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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) [2024-11-24 02:02:23,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:02:23,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:02:23,880 INFO L256 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-24 02:02:23,883 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:02:24,006 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 20 treesize of output 12 [2024-11-24 02:02:24,012 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 16 treesize of output 8 [2024-11-24 02:02:24,036 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 02:02:24,036 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:02:24,036 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 02:02:24,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1983479013] [2024-11-24 02:02:24,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1983479013] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:02:24,036 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:02:24,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 02:02:24,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294448829] [2024-11-24 02:02:24,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:02:24,037 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 02:02:24,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 02:02:24,038 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 02:02:24,038 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:02:24,038 INFO L87 Difference]: Start difference. First operand 705 states and 966 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 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) [2024-11-24 02:02:24,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:02:24,517 INFO L93 Difference]: Finished difference Result 1690 states and 2318 transitions. [2024-11-24 02:02:24,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 02:02:24,521 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 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 [2024-11-24 02:02:24,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:02:24,528 INFO L225 Difference]: With dead ends: 1690 [2024-11-24 02:02:24,529 INFO L226 Difference]: Without dead ends: 988 [2024-11-24 02:02:24,530 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-24 02:02:24,532 INFO L435 NwaCegarLoop]: 214 mSDtfsCounter, 109 mSDsluCounter, 528 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 742 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-24 02:02:24,532 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 742 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-24 02:02:24,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 988 states. [2024-11-24 02:02:24,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 988 to 984. [2024-11-24 02:02:24,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 984 states, 841 states have (on average 1.3293697978596908) internal successors, (1118), 851 states have internal predecessors, (1118), 116 states have call successors, (116), 26 states have call predecessors, (116), 26 states have return successors, (116), 106 states have call predecessors, (116), 116 states have call successors, (116) [2024-11-24 02:02:24,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 984 states to 984 states and 1350 transitions. [2024-11-24 02:02:24,613 INFO L78 Accepts]: Start accepts. Automaton has 984 states and 1350 transitions. Word has length 144 [2024-11-24 02:02:24,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:02:24,614 INFO L471 AbstractCegarLoop]: Abstraction has 984 states and 1350 transitions. [2024-11-24 02:02:24,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 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) [2024-11-24 02:02:24,614 INFO L276 IsEmpty]: Start isEmpty. Operand 984 states and 1350 transitions. [2024-11-24 02:02:24,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-24 02:02:24,616 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:02:24,616 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] [2024-11-24 02:02:24,627 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:02:24,820 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:02:24,820 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:02:24,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:02:24,823 INFO L85 PathProgramCache]: Analyzing trace with hash -363477076, now seen corresponding path program 1 times [2024-11-24 02:02:24,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:02:24,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [239519431] [2024-11-24 02:02:24,823 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:02:24,824 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 [2024-11-24 02:02:24,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 02:02:24,826 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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) [2024-11-24 02:02:24,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:02:25,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:02:25,299 INFO L256 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-24 02:02:25,303 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:02:25,333 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 11 [2024-11-24 02:02:25,427 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 19 treesize of output 11 [2024-11-24 02:02:25,462 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 15 treesize of output 7 [2024-11-24 02:02:25,586 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 02:02:25,587 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:02:25,587 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 02:02:25,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [239519431] [2024-11-24 02:02:25,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [239519431] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:02:25,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:02:25,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-24 02:02:25,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050342857] [2024-11-24 02:02:25,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:02:25,588 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-24 02:02:25,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 02:02:25,588 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-24 02:02:25,588 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-24 02:02:25,588 INFO L87 Difference]: Start difference. First operand 984 states and 1350 transitions. Second operand has 9 states, 9 states have (on average 6.888888888888889) 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) [2024-11-24 02:02:26,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:02:26,512 INFO L93 Difference]: Finished difference Result 2058 states and 2820 transitions. [2024-11-24 02:02:26,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-24 02:02:26,513 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.888888888888889) 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 [2024-11-24 02:02:26,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:02:26,518 INFO L225 Difference]: With dead ends: 2058 [2024-11-24 02:02:26,518 INFO L226 Difference]: Without dead ends: 1077 [2024-11-24 02:02:26,520 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-11-24 02:02:26,521 INFO L435 NwaCegarLoop]: 276 mSDtfsCounter, 111 mSDsluCounter, 1688 mSDsCounter, 0 mSdLazyCounter, 241 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 1964 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-24 02:02:26,521 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 1964 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 241 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-24 02:02:26,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1077 states. [2024-11-24 02:02:26,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1077 to 990. [2024-11-24 02:02:26,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 990 states, 847 states have (on average 1.3270365997638724) internal successors, (1124), 857 states have internal predecessors, (1124), 116 states have call successors, (116), 26 states have call predecessors, (116), 26 states have return successors, (116), 106 states have call predecessors, (116), 116 states have call successors, (116) [2024-11-24 02:02:26,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 990 states to 990 states and 1356 transitions. [2024-11-24 02:02:26,598 INFO L78 Accepts]: Start accepts. Automaton has 990 states and 1356 transitions. Word has length 144 [2024-11-24 02:02:26,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:02:26,599 INFO L471 AbstractCegarLoop]: Abstraction has 990 states and 1356 transitions. [2024-11-24 02:02:26,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.888888888888889) 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) [2024-11-24 02:02:26,599 INFO L276 IsEmpty]: Start isEmpty. Operand 990 states and 1356 transitions. [2024-11-24 02:02:26,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-24 02:02:26,602 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:02:26,602 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] [2024-11-24 02:02:26,611 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:02:26,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:02:26,803 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:02:26,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:02:26,803 INFO L85 PathProgramCache]: Analyzing trace with hash 1250390659, now seen corresponding path program 1 times [2024-11-24 02:02:26,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:02:26,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1047486839] [2024-11-24 02:02:26,804 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:02:26,805 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 [2024-11-24 02:02:26,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 02:02:26,807 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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) [2024-11-24 02:02:26,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:02:27,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:02:27,233 INFO L256 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-24 02:02:27,236 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:02:27,262 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 11 [2024-11-24 02:02:27,348 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 19 treesize of output 11 [2024-11-24 02:02:27,375 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 15 treesize of output 7 [2024-11-24 02:02:27,445 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 02:02:27,445 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:02:27,445 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 02:02:27,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1047486839] [2024-11-24 02:02:27,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1047486839] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:02:27,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:02:27,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-24 02:02:27,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314401287] [2024-11-24 02:02:27,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:02:27,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-24 02:02:27,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 02:02:27,446 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-24 02:02:27,447 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-24 02:02:27,447 INFO L87 Difference]: Start difference. First operand 990 states and 1356 transitions. Second operand has 8 states, 8 states have (on average 7.75) 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) [2024-11-24 02:02:28,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:02:28,156 INFO L93 Difference]: Finished difference Result 2587 states and 3528 transitions. [2024-11-24 02:02:28,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-24 02:02:28,156 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.75) 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 [2024-11-24 02:02:28,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:02:28,160 INFO L225 Difference]: With dead ends: 2587 [2024-11-24 02:02:28,160 INFO L226 Difference]: Without dead ends: 1600 [2024-11-24 02:02:28,162 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-11-24 02:02:28,162 INFO L435 NwaCegarLoop]: 255 mSDtfsCounter, 99 mSDsluCounter, 1359 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 1614 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-24 02:02:28,162 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 1614 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-24 02:02:28,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1600 states. [2024-11-24 02:02:28,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1600 to 1102. [2024-11-24 02:02:28,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1102 states, 959 states have (on average 1.3503649635036497) internal successors, (1295), 969 states have internal predecessors, (1295), 116 states have call successors, (116), 26 states have call predecessors, (116), 26 states have return successors, (116), 106 states have call predecessors, (116), 116 states have call successors, (116) [2024-11-24 02:02:28,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1102 states to 1102 states and 1527 transitions. [2024-11-24 02:02:28,238 INFO L78 Accepts]: Start accepts. Automaton has 1102 states and 1527 transitions. Word has length 144 [2024-11-24 02:02:28,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:02:28,238 INFO L471 AbstractCegarLoop]: Abstraction has 1102 states and 1527 transitions. [2024-11-24 02:02:28,239 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.75) 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) [2024-11-24 02:02:28,239 INFO L276 IsEmpty]: Start isEmpty. Operand 1102 states and 1527 transitions. [2024-11-24 02:02:28,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-24 02:02:28,241 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:02:28,241 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] [2024-11-24 02:02:28,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:02:28,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:02:28,441 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:02:28,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:02:28,442 INFO L85 PathProgramCache]: Analyzing trace with hash 1508556097, now seen corresponding path program 1 times [2024-11-24 02:02:28,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:02:28,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [622016511] [2024-11-24 02:02:28,442 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:02:28,442 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 [2024-11-24 02:02:28,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 02:02:28,444 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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) [2024-11-24 02:02:28,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:02:28,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:02:28,887 INFO L256 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-24 02:02:28,890 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:02:29,003 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 19 treesize of output 11 [2024-11-24 02:02:29,007 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 15 treesize of output 7 [2024-11-24 02:02:29,031 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 02:02:29,031 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:02:29,031 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 02:02:29,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [622016511] [2024-11-24 02:02:29,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [622016511] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:02:29,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:02:29,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 02:02:29,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672373355] [2024-11-24 02:02:29,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:02:29,032 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 02:02:29,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 02:02:29,033 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 02:02:29,033 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:02:29,033 INFO L87 Difference]: Start difference. First operand 1102 states and 1527 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 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) [2024-11-24 02:02:29,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:02:29,547 INFO L93 Difference]: Finished difference Result 2642 states and 3618 transitions. [2024-11-24 02:02:29,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 02:02:29,549 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 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 [2024-11-24 02:02:29,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:02:29,556 INFO L225 Difference]: With dead ends: 2642 [2024-11-24 02:02:29,557 INFO L226 Difference]: Without dead ends: 1543 [2024-11-24 02:02:29,558 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-24 02:02:29,559 INFO L435 NwaCegarLoop]: 254 mSDtfsCounter, 91 mSDsluCounter, 622 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 876 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-24 02:02:29,559 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 876 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-24 02:02:29,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1543 states. [2024-11-24 02:02:29,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1543 to 1102. [2024-11-24 02:02:29,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1102 states, 959 states have (on average 1.340980187695516) internal successors, (1286), 969 states have internal predecessors, (1286), 116 states have call successors, (116), 26 states have call predecessors, (116), 26 states have return successors, (116), 106 states have call predecessors, (116), 116 states have call successors, (116) [2024-11-24 02:02:29,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1102 states to 1102 states and 1518 transitions. [2024-11-24 02:02:29,643 INFO L78 Accepts]: Start accepts. Automaton has 1102 states and 1518 transitions. Word has length 144 [2024-11-24 02:02:29,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:02:29,644 INFO L471 AbstractCegarLoop]: Abstraction has 1102 states and 1518 transitions. [2024-11-24 02:02:29,644 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 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) [2024-11-24 02:02:29,644 INFO L276 IsEmpty]: Start isEmpty. Operand 1102 states and 1518 transitions. [2024-11-24 02:02:29,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-24 02:02:29,646 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:02:29,646 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] [2024-11-24 02:02:29,656 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:02:29,847 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:02:29,847 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:02:29,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:02:29,848 INFO L85 PathProgramCache]: Analyzing trace with hash 1116377153, now seen corresponding path program 1 times [2024-11-24 02:02:29,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:02:29,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [570617815] [2024-11-24 02:02:29,848 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:02:29,848 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 [2024-11-24 02:02:29,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 02:02:29,850 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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) [2024-11-24 02:02:29,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:02:30,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:02:30,254 INFO L256 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-24 02:02:30,257 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:02:30,325 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 20 treesize of output 12 [2024-11-24 02:02:30,328 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 16 treesize of output 8 [2024-11-24 02:02:30,353 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 02:02:30,353 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:02:30,353 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 02:02:30,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [570617815] [2024-11-24 02:02:30,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [570617815] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:02:30,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:02:30,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 02:02:30,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052137025] [2024-11-24 02:02:30,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:02:30,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 02:02:30,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 02:02:30,354 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 02:02:30,354 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:02:30,355 INFO L87 Difference]: Start difference. First operand 1102 states and 1518 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 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) [2024-11-24 02:02:30,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:02:30,956 INFO L93 Difference]: Finished difference Result 2319 states and 3178 transitions. [2024-11-24 02:02:30,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 02:02:30,957 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 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 [2024-11-24 02:02:30,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:02:30,964 INFO L225 Difference]: With dead ends: 2319 [2024-11-24 02:02:30,964 INFO L226 Difference]: Without dead ends: 1220 [2024-11-24 02:02:30,966 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-24 02:02:30,967 INFO L435 NwaCegarLoop]: 237 mSDtfsCounter, 99 mSDsluCounter, 584 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 821 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-24 02:02:30,967 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 821 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-24 02:02:30,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1220 states. [2024-11-24 02:02:31,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1220 to 1041. [2024-11-24 02:02:31,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1041 states, 898 states have (on average 1.3251670378619154) internal successors, (1190), 908 states have internal predecessors, (1190), 116 states have call successors, (116), 26 states have call predecessors, (116), 26 states have return successors, (116), 106 states have call predecessors, (116), 116 states have call successors, (116) [2024-11-24 02:02:31,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1041 states to 1041 states and 1422 transitions. [2024-11-24 02:02:31,083 INFO L78 Accepts]: Start accepts. Automaton has 1041 states and 1422 transitions. Word has length 144 [2024-11-24 02:02:31,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:02:31,083 INFO L471 AbstractCegarLoop]: Abstraction has 1041 states and 1422 transitions. [2024-11-24 02:02:31,084 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 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) [2024-11-24 02:02:31,084 INFO L276 IsEmpty]: Start isEmpty. Operand 1041 states and 1422 transitions. [2024-11-24 02:02:31,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-24 02:02:31,087 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:02:31,087 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] [2024-11-24 02:02:31,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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)] Forceful destruction successful, exit code 0 [2024-11-24 02:02:31,287 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:02:31,288 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:02:31,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:02:31,288 INFO L85 PathProgramCache]: Analyzing trace with hash -1091377353, now seen corresponding path program 1 times [2024-11-24 02:02:31,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:02:31,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [849657660] [2024-11-24 02:02:31,289 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:02:31,289 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 [2024-11-24 02:02:31,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 02:02:31,291 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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) [2024-11-24 02:02:31,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:02:31,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:02:31,781 INFO L256 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-24 02:02:31,785 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:02:32,694 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 17 treesize of output 13 [2024-11-24 02:02:32,853 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 54 treesize of output 42 [2024-11-24 02:02:32,858 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 54 treesize of output 34 [2024-11-24 02:02:32,951 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 45 proven. 64 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-24 02:02:32,951 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 02:02:33,256 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 02:02:33,256 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 02:02:33,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [849657660] [2024-11-24 02:02:33,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [849657660] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 02:02:33,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 02:02:33,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [12] total 17 [2024-11-24 02:02:33,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212762550] [2024-11-24 02:02:33,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:02:33,256 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 02:02:33,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 02:02:33,257 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 02:02:33,257 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2024-11-24 02:02:33,257 INFO L87 Difference]: Start difference. First operand 1041 states and 1422 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) [2024-11-24 02:02:33,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:02:33,570 INFO L93 Difference]: Finished difference Result 1613 states and 2181 transitions. [2024-11-24 02:02:33,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 02:02:33,571 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 [2024-11-24 02:02:33,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:02:33,577 INFO L225 Difference]: With dead ends: 1613 [2024-11-24 02:02:33,578 INFO L226 Difference]: Without dead ends: 1611 [2024-11-24 02:02:33,578 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 275 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=57, Invalid=363, Unknown=0, NotChecked=0, Total=420 [2024-11-24 02:02:33,579 INFO L435 NwaCegarLoop]: 245 mSDtfsCounter, 119 mSDsluCounter, 1138 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 1383 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 02:02:33,579 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 1383 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 02:02:33,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1611 states. [2024-11-24 02:02:33,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1611 to 1607. [2024-11-24 02:02:33,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1607 states, 1372 states have (on average 1.3024781341107872) internal successors, (1787), 1390 states have internal predecessors, (1787), 192 states have call successors, (192), 42 states have call predecessors, (192), 42 states have return successors, (192), 174 states have call predecessors, (192), 192 states have call successors, (192) [2024-11-24 02:02:33,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1607 states to 1607 states and 2171 transitions. [2024-11-24 02:02:33,695 INFO L78 Accepts]: Start accepts. Automaton has 1607 states and 2171 transitions. Word has length 146 [2024-11-24 02:02:33,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:02:33,695 INFO L471 AbstractCegarLoop]: Abstraction has 1607 states and 2171 transitions. [2024-11-24 02:02:33,695 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) [2024-11-24 02:02:33,696 INFO L276 IsEmpty]: Start isEmpty. Operand 1607 states and 2171 transitions. [2024-11-24 02:02:33,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-24 02:02:33,698 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:02:33,698 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] [2024-11-24 02:02:33,707 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:02:33,898 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:02:33,898 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:02:33,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:02:33,899 INFO L85 PathProgramCache]: Analyzing trace with hash 937826639, now seen corresponding path program 1 times [2024-11-24 02:02:33,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:02:33,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [368205874] [2024-11-24 02:02:33,899 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:02:33,899 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 [2024-11-24 02:02:33,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 02:02:33,901 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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) [2024-11-24 02:02:33,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:02:34,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:02:34,311 INFO L256 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 02:02:34,313 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:02:36,536 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 [2024-11-24 02:02:36,647 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 264 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-11-24 02:02:36,647 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 02:02:51,347 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-11-24 02:02:51,347 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 76 treesize of output 47 [2024-11-24 02:02:53,431 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 02:02:53,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [368205874] [2024-11-24 02:02:53,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [368205874] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 02:02:53,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1998884524] [2024-11-24 02:02:53,431 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:02:53,431 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 02:02:53,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-24 02:02:53,436 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 02:02:53,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-24 02:02:54,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:02:54,221 INFO L256 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-24 02:02:54,224 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:02:55,462 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 19 treesize of output 11 [2024-11-24 02:02:55,466 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 15 treesize of output 7 [2024-11-24 02:02:55,964 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 02:02:55,964 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:02:55,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1998884524] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:02:55,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 02:02:55,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 11 [2024-11-24 02:02:55,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609764152] [2024-11-24 02:02:55,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:02:55,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 02:02:55,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 02:02:55,965 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 02:02:55,965 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2024-11-24 02:02:55,966 INFO L87 Difference]: Start difference. First operand 1607 states and 2171 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 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) [2024-11-24 02:02:56,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:02:56,801 INFO L93 Difference]: Finished difference Result 3306 states and 4460 transitions. [2024-11-24 02:02:56,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 02:02:56,802 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 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 [2024-11-24 02:02:56,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:02:56,811 INFO L225 Difference]: With dead ends: 3306 [2024-11-24 02:02:56,811 INFO L226 Difference]: Without dead ends: 1702 [2024-11-24 02:02:56,814 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 395 GetRequests, 379 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 11.3s TimeCoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2024-11-24 02:02:56,816 INFO L435 NwaCegarLoop]: 276 mSDtfsCounter, 100 mSDsluCounter, 653 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 929 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-24 02:02:56,816 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 929 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-24 02:02:56,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1702 states. [2024-11-24 02:02:56,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1702 to 1413. [2024-11-24 02:02:56,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1413 states, 1216 states have (on average 1.2985197368421053) internal successors, (1579), 1230 states have internal predecessors, (1579), 160 states have call successors, (160), 36 states have call predecessors, (160), 36 states have return successors, (160), 146 states have call predecessors, (160), 160 states have call successors, (160) [2024-11-24 02:02:56,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1413 states to 1413 states and 1899 transitions. [2024-11-24 02:02:56,948 INFO L78 Accepts]: Start accepts. Automaton has 1413 states and 1899 transitions. Word has length 147 [2024-11-24 02:02:56,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:02:56,949 INFO L471 AbstractCegarLoop]: Abstraction has 1413 states and 1899 transitions. [2024-11-24 02:02:56,949 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 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) [2024-11-24 02:02:56,949 INFO L276 IsEmpty]: Start isEmpty. Operand 1413 states and 1899 transitions. [2024-11-24 02:02:56,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-24 02:02:56,952 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:02:56,952 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] [2024-11-24 02:02:56,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:02:57,157 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-11-24 02:02:57,352 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt [2024-11-24 02:02:57,353 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:02:57,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:02:57,353 INFO L85 PathProgramCache]: Analyzing trace with hash 73417573, now seen corresponding path program 1 times [2024-11-24 02:02:57,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:02:57,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [65089044] [2024-11-24 02:02:57,354 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:02:57,354 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 [2024-11-24 02:02:57,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 02:02:57,355 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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) [2024-11-24 02:02:57,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:02:57,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:02:57,766 INFO L256 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-24 02:02:57,769 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:02:57,850 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 02:02:57,850 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:02:57,850 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 02:02:57,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [65089044] [2024-11-24 02:02:57,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [65089044] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:02:57,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:02:57,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-24 02:02:57,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196277937] [2024-11-24 02:02:57,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:02:57,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 02:02:57,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 02:02:57,851 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 02:02:57,851 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-24 02:02:57,852 INFO L87 Difference]: Start difference. First operand 1413 states and 1899 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) [2024-11-24 02:02:58,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:02:58,014 INFO L93 Difference]: Finished difference Result 1455 states and 1948 transitions. [2024-11-24 02:02:58,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 02:02:58,014 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 [2024-11-24 02:02:58,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:02:58,018 INFO L225 Difference]: With dead ends: 1455 [2024-11-24 02:02:58,019 INFO L226 Difference]: Without dead ends: 1453 [2024-11-24 02:02:58,019 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 [2024-11-24 02:02:58,019 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 [2024-11-24 02:02:58,020 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] [2024-11-24 02:02:58,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2024-11-24 02:02:58,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1429. [2024-11-24 02:02:58,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1429 states, 1232 states have (on average 1.2946428571428572) internal successors, (1595), 1246 states have internal predecessors, (1595), 160 states have call successors, (160), 36 states have call predecessors, (160), 36 states have return successors, (160), 146 states have call predecessors, (160), 160 states have call successors, (160) [2024-11-24 02:02:58,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1429 states to 1429 states and 1915 transitions. [2024-11-24 02:02:58,134 INFO L78 Accepts]: Start accepts. Automaton has 1429 states and 1915 transitions. Word has length 148 [2024-11-24 02:02:58,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:02:58,134 INFO L471 AbstractCegarLoop]: Abstraction has 1429 states and 1915 transitions. [2024-11-24 02:02:58,135 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) [2024-11-24 02:02:58,135 INFO L276 IsEmpty]: Start isEmpty. Operand 1429 states and 1915 transitions. [2024-11-24 02:02:58,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-24 02:02:58,137 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:02:58,138 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] [2024-11-24 02:02:58,148 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:02:58,338 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:02:58,338 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:02:58,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:02:58,339 INFO L85 PathProgramCache]: Analyzing trace with hash -1360676969, now seen corresponding path program 1 times [2024-11-24 02:02:58,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:02:58,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1281424944] [2024-11-24 02:02:58,339 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:02:58,339 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 [2024-11-24 02:02:58,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 02:02:58,341 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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) [2024-11-24 02:02:58,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:02:58,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:02:58,752 INFO L256 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-24 02:02:58,754 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:02:58,993 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 19 treesize of output 11 [2024-11-24 02:02:58,999 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 15 treesize of output 7 [2024-11-24 02:02:59,043 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 02:02:59,043 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:02:59,043 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 02:02:59,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1281424944] [2024-11-24 02:02:59,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1281424944] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:02:59,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:02:59,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 02:02:59,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618522040] [2024-11-24 02:02:59,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:02:59,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 02:02:59,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 02:02:59,045 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 02:02:59,045 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 02:02:59,045 INFO L87 Difference]: Start difference. First operand 1429 states and 1915 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) [2024-11-24 02:02:59,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:02:59,802 INFO L93 Difference]: Finished difference Result 3279 states and 4395 transitions. [2024-11-24 02:02:59,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 02:02:59,803 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 [2024-11-24 02:02:59,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:02:59,812 INFO L225 Difference]: With dead ends: 3279 [2024-11-24 02:02:59,812 INFO L226 Difference]: Without dead ends: 1853 [2024-11-24 02:02:59,815 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-24 02:02:59,815 INFO L435 NwaCegarLoop]: 230 mSDtfsCounter, 71 mSDsluCounter, 779 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 1009 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-24 02:02:59,816 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 1009 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-24 02:02:59,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1853 states. [2024-11-24 02:02:59,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1853 to 1659. [2024-11-24 02:02:59,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1659 states, 1462 states have (on average 1.310533515731874) internal successors, (1916), 1476 states have internal predecessors, (1916), 160 states have call successors, (160), 36 states have call predecessors, (160), 36 states have return successors, (160), 146 states have call predecessors, (160), 160 states have call successors, (160) [2024-11-24 02:02:59,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1659 states to 1659 states and 2236 transitions. [2024-11-24 02:02:59,947 INFO L78 Accepts]: Start accepts. Automaton has 1659 states and 2236 transitions. Word has length 149 [2024-11-24 02:02:59,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:02:59,948 INFO L471 AbstractCegarLoop]: Abstraction has 1659 states and 2236 transitions. [2024-11-24 02:02:59,948 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) [2024-11-24 02:02:59,948 INFO L276 IsEmpty]: Start isEmpty. Operand 1659 states and 2236 transitions. [2024-11-24 02:02:59,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-24 02:02:59,951 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:02:59,951 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] [2024-11-24 02:02:59,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:03:00,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:03:00,152 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:03:00,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:03:00,152 INFO L85 PathProgramCache]: Analyzing trace with hash 562551065, now seen corresponding path program 1 times [2024-11-24 02:03:00,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:03:00,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2128430314] [2024-11-24 02:03:00,153 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:03:00,153 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 [2024-11-24 02:03:00,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 02:03:00,155 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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) [2024-11-24 02:03:00,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:03:00,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:03:00,589 INFO L256 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 02:03:00,592 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:03:00,863 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 02:03:00,863 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:03:00,863 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 02:03:00,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2128430314] [2024-11-24 02:03:00,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2128430314] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:03:00,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:03:00,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 02:03:00,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047869220] [2024-11-24 02:03:00,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:03:00,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 02:03:00,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 02:03:00,865 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 02:03:00,865 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-24 02:03:00,865 INFO L87 Difference]: Start difference. First operand 1659 states and 2236 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) [2024-11-24 02:03:01,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:03:01,680 INFO L93 Difference]: Finished difference Result 3509 states and 4712 transitions. [2024-11-24 02:03:01,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 02:03:01,681 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 [2024-11-24 02:03:01,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:03:01,689 INFO L225 Difference]: With dead ends: 3509 [2024-11-24 02:03:01,689 INFO L226 Difference]: Without dead ends: 1853 [2024-11-24 02:03:01,692 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-24 02:03:01,697 INFO L435 NwaCegarLoop]: 230 mSDtfsCounter, 88 mSDsluCounter, 749 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 979 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-24 02:03:01,697 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 979 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-24 02:03:01,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1853 states. [2024-11-24 02:03:01,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1853 to 1659. [2024-11-24 02:03:01,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1659 states, 1462 states have (on average 1.3043775649794802) internal successors, (1907), 1476 states have internal predecessors, (1907), 160 states have call successors, (160), 36 states have call predecessors, (160), 36 states have return successors, (160), 146 states have call predecessors, (160), 160 states have call successors, (160) [2024-11-24 02:03:01,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1659 states to 1659 states and 2227 transitions. [2024-11-24 02:03:01,840 INFO L78 Accepts]: Start accepts. Automaton has 1659 states and 2227 transitions. Word has length 149 [2024-11-24 02:03:01,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:03:01,841 INFO L471 AbstractCegarLoop]: Abstraction has 1659 states and 2227 transitions. [2024-11-24 02:03:01,841 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) [2024-11-24 02:03:01,841 INFO L276 IsEmpty]: Start isEmpty. Operand 1659 states and 2227 transitions. [2024-11-24 02:03:01,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-24 02:03:01,844 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:03:01,844 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] [2024-11-24 02:03:01,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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)] Ended with exit code 0 [2024-11-24 02:03:02,045 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:03:02,045 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:03:02,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:03:02,045 INFO L85 PathProgramCache]: Analyzing trace with hash -1242887269, now seen corresponding path program 1 times [2024-11-24 02:03:02,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:03:02,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1666463115] [2024-11-24 02:03:02,046 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:03:02,046 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 [2024-11-24 02:03:02,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 02:03:02,048 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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) [2024-11-24 02:03:02,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:03:02,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:03:02,484 INFO L256 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-24 02:03:02,488 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:03:02,674 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 20 treesize of output 12 [2024-11-24 02:03:02,680 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 16 treesize of output 8 [2024-11-24 02:03:02,715 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 02:03:02,715 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:03:02,715 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 02:03:02,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1666463115] [2024-11-24 02:03:02,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1666463115] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:03:02,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:03:02,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 02:03:02,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325126127] [2024-11-24 02:03:02,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:03:02,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 02:03:02,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 02:03:02,717 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 02:03:02,717 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:03:02,718 INFO L87 Difference]: Start difference. First operand 1659 states and 2227 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) [2024-11-24 02:03:03,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:03:03,232 INFO L93 Difference]: Finished difference Result 3405 states and 4560 transitions. [2024-11-24 02:03:03,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 02:03:03,233 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 [2024-11-24 02:03:03,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:03:03,242 INFO L225 Difference]: With dead ends: 3405 [2024-11-24 02:03:03,243 INFO L226 Difference]: Without dead ends: 1749 [2024-11-24 02:03:03,246 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 [2024-11-24 02:03:03,246 INFO L435 NwaCegarLoop]: 214 mSDtfsCounter, 74 mSDsluCounter, 531 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 745 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-24 02:03:03,246 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 745 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-24 02:03:03,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1749 states. [2024-11-24 02:03:03,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1749 to 1457. [2024-11-24 02:03:03,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1457 states, 1260 states have (on average 1.296031746031746) internal successors, (1633), 1274 states have internal predecessors, (1633), 160 states have call successors, (160), 36 states have call predecessors, (160), 36 states have return successors, (160), 146 states have call predecessors, (160), 160 states have call successors, (160) [2024-11-24 02:03:03,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1457 states to 1457 states and 1953 transitions. [2024-11-24 02:03:03,384 INFO L78 Accepts]: Start accepts. Automaton has 1457 states and 1953 transitions. Word has length 149 [2024-11-24 02:03:03,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:03:03,385 INFO L471 AbstractCegarLoop]: Abstraction has 1457 states and 1953 transitions. [2024-11-24 02:03:03,385 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) [2024-11-24 02:03:03,385 INFO L276 IsEmpty]: Start isEmpty. Operand 1457 states and 1953 transitions. [2024-11-24 02:03:03,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-24 02:03:03,387 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:03:03,388 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] [2024-11-24 02:03:03,394 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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)] Ended with exit code 0 [2024-11-24 02:03:03,588 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:03:03,588 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:03:03,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:03:03,588 INFO L85 PathProgramCache]: Analyzing trace with hash -658556459, now seen corresponding path program 1 times [2024-11-24 02:03:03,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:03:03,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [273714152] [2024-11-24 02:03:03,589 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:03:03,589 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 [2024-11-24 02:03:03,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 02:03:03,591 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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) [2024-11-24 02:03:03,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:03:04,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:03:04,040 INFO L256 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-24 02:03:04,043 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:03:04,207 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 02:03:04,207 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:03:04,207 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 02:03:04,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [273714152] [2024-11-24 02:03:04,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [273714152] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:03:04,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:03:04,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 02:03:04,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970866370] [2024-11-24 02:03:04,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:03:04,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 02:03:04,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 02:03:04,209 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 02:03:04,209 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:03:04,209 INFO L87 Difference]: Start difference. First operand 1457 states and 1953 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) [2024-11-24 02:03:04,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:03:04,567 INFO L93 Difference]: Finished difference Result 2937 states and 3916 transitions. [2024-11-24 02:03:04,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 02:03:04,568 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 [2024-11-24 02:03:04,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:03:04,573 INFO L225 Difference]: With dead ends: 2937 [2024-11-24 02:03:04,573 INFO L226 Difference]: Without dead ends: 1483 [2024-11-24 02:03:04,574 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:03:04,575 INFO L435 NwaCegarLoop]: 185 mSDtfsCounter, 50 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 538 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 02:03:04,575 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 538 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 02:03:04,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1483 states. [2024-11-24 02:03:04,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1483 to 1409. [2024-11-24 02:03:04,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1409 states, 1212 states have (on average 1.283003300330033) internal successors, (1555), 1226 states have internal predecessors, (1555), 160 states have call successors, (160), 36 states have call predecessors, (160), 36 states have return successors, (160), 146 states have call predecessors, (160), 160 states have call successors, (160) [2024-11-24 02:03:04,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1409 states to 1409 states and 1875 transitions. [2024-11-24 02:03:04,642 INFO L78 Accepts]: Start accepts. Automaton has 1409 states and 1875 transitions. Word has length 149 [2024-11-24 02:03:04,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:03:04,643 INFO L471 AbstractCegarLoop]: Abstraction has 1409 states and 1875 transitions. [2024-11-24 02:03:04,643 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) [2024-11-24 02:03:04,643 INFO L276 IsEmpty]: Start isEmpty. Operand 1409 states and 1875 transitions. [2024-11-24 02:03:04,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-24 02:03:04,644 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:03:04,644 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] [2024-11-24 02:03:04,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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)] Forceful destruction successful, exit code 0 [2024-11-24 02:03:04,845 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:03:04,845 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:03:04,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:03:04,845 INFO L85 PathProgramCache]: Analyzing trace with hash 301326862, now seen corresponding path program 1 times [2024-11-24 02:03:04,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:03:04,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1886334366] [2024-11-24 02:03:04,846 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:03:04,846 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 [2024-11-24 02:03:04,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 02:03:04,848 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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) [2024-11-24 02:03:04,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:03:05,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:03:05,276 INFO L256 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-24 02:03:05,278 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:03:05,497 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 19 treesize of output 11 [2024-11-24 02:03:05,501 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 15 treesize of output 7 [2024-11-24 02:03:05,537 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 02:03:05,537 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:03:05,538 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 02:03:05,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1886334366] [2024-11-24 02:03:05,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1886334366] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:03:05,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:03:05,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-24 02:03:05,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294090891] [2024-11-24 02:03:05,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:03:05,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 02:03:05,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 02:03:05,539 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 02:03:05,539 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-24 02:03:05,539 INFO L87 Difference]: Start difference. First operand 1409 states and 1875 transitions. Second operand has 7 states, 7 states have (on average 9.571428571428571) 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) [2024-11-24 02:03:06,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:03:06,630 INFO L93 Difference]: Finished difference Result 3454 states and 4560 transitions. [2024-11-24 02:03:06,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 02:03:06,631 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.571428571428571) 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 [2024-11-24 02:03:06,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:03:06,640 INFO L225 Difference]: With dead ends: 3454 [2024-11-24 02:03:06,640 INFO L226 Difference]: Without dead ends: 2048 [2024-11-24 02:03:06,643 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-24 02:03:06,643 INFO L435 NwaCegarLoop]: 248 mSDtfsCounter, 167 mSDsluCounter, 898 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 1146 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-24 02:03:06,644 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 1146 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-24 02:03:06,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2048 states. [2024-11-24 02:03:06,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2048 to 1451. [2024-11-24 02:03:06,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1451 states, 1254 states have (on average 1.2878787878787878) internal successors, (1615), 1268 states have internal predecessors, (1615), 160 states have call successors, (160), 36 states have call predecessors, (160), 36 states have return successors, (160), 146 states have call predecessors, (160), 160 states have call successors, (160) [2024-11-24 02:03:06,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1451 states to 1451 states and 1935 transitions. [2024-11-24 02:03:06,750 INFO L78 Accepts]: Start accepts. Automaton has 1451 states and 1935 transitions. Word has length 149 [2024-11-24 02:03:06,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:03:06,750 INFO L471 AbstractCegarLoop]: Abstraction has 1451 states and 1935 transitions. [2024-11-24 02:03:06,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) 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) [2024-11-24 02:03:06,750 INFO L276 IsEmpty]: Start isEmpty. Operand 1451 states and 1935 transitions. [2024-11-24 02:03:06,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-24 02:03:06,752 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:03:06,753 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] [2024-11-24 02:03:06,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:03:06,953 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:03:06,953 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:03:06,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:03:06,954 INFO L85 PathProgramCache]: Analyzing trace with hash 559492300, now seen corresponding path program 1 times [2024-11-24 02:03:06,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:03:06,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1105677257] [2024-11-24 02:03:06,954 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:03:06,954 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 [2024-11-24 02:03:06,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 02:03:06,956 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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) [2024-11-24 02:03:06,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:03:07,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:03:07,365 INFO L256 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-24 02:03:07,369 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:03:07,388 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 11 [2024-11-24 02:03:07,493 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 19 treesize of output 11 [2024-11-24 02:03:07,518 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 15 treesize of output 7 [2024-11-24 02:03:07,595 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 02:03:07,595 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:03:07,595 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 02:03:07,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1105677257] [2024-11-24 02:03:07,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1105677257] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:03:07,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:03:07,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-24 02:03:07,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573830109] [2024-11-24 02:03:07,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:03:07,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-24 02:03:07,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 02:03:07,596 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-24 02:03:07,597 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-24 02:03:07,597 INFO L87 Difference]: Start difference. First operand 1451 states and 1935 transitions. Second operand has 8 states, 8 states have (on average 8.375) 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) [2024-11-24 02:03:08,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:03:08,456 INFO L93 Difference]: Finished difference Result 3310 states and 4371 transitions. [2024-11-24 02:03:08,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-24 02:03:08,457 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.375) 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 [2024-11-24 02:03:08,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:03:08,469 INFO L225 Difference]: With dead ends: 3310 [2024-11-24 02:03:08,473 INFO L226 Difference]: Without dead ends: 1862 [2024-11-24 02:03:08,475 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-11-24 02:03:08,476 INFO L435 NwaCegarLoop]: 257 mSDtfsCounter, 92 mSDsluCounter, 1350 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 1607 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-24 02:03:08,478 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 1607 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-24 02:03:08,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1862 states. [2024-11-24 02:03:08,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1862 to 1810. [2024-11-24 02:03:08,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1810 states, 1573 states have (on average 1.2803560076287348) internal successors, (2014), 1595 states have internal predecessors, (2014), 184 states have call successors, (184), 52 states have call predecessors, (184), 52 states have return successors, (184), 162 states have call predecessors, (184), 184 states have call successors, (184) [2024-11-24 02:03:08,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1810 states to 1810 states and 2382 transitions. [2024-11-24 02:03:08,636 INFO L78 Accepts]: Start accepts. Automaton has 1810 states and 2382 transitions. Word has length 149 [2024-11-24 02:03:08,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:03:08,636 INFO L471 AbstractCegarLoop]: Abstraction has 1810 states and 2382 transitions. [2024-11-24 02:03:08,636 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.375) 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) [2024-11-24 02:03:08,637 INFO L276 IsEmpty]: Start isEmpty. Operand 1810 states and 2382 transitions. [2024-11-24 02:03:08,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-24 02:03:08,639 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:03:08,639 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] [2024-11-24 02:03:08,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:03:08,839 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:03:08,840 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:03:08,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:03:08,841 INFO L85 PathProgramCache]: Analyzing trace with hash 1101912082, now seen corresponding path program 1 times [2024-11-24 02:03:08,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:03:08,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [373051581] [2024-11-24 02:03:08,843 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:03:08,843 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 [2024-11-24 02:03:08,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 02:03:08,845 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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) [2024-11-24 02:03:08,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:03:09,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:03:09,326 INFO L256 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-24 02:03:09,328 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:03:09,465 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 20 treesize of output 12 [2024-11-24 02:03:09,469 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 16 treesize of output 8 [2024-11-24 02:03:09,493 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 02:03:09,494 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:03:09,494 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 02:03:09,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [373051581] [2024-11-24 02:03:09,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [373051581] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:03:09,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:03:09,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 02:03:09,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724500499] [2024-11-24 02:03:09,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:03:09,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 02:03:09,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 02:03:09,495 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 02:03:09,495 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:03:09,495 INFO L87 Difference]: Start difference. First operand 1810 states and 2382 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) [2024-11-24 02:03:09,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:03:09,992 INFO L93 Difference]: Finished difference Result 3614 states and 4750 transitions. [2024-11-24 02:03:09,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 02:03:09,993 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 [2024-11-24 02:03:09,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:03:10,001 INFO L225 Difference]: With dead ends: 3614 [2024-11-24 02:03:10,002 INFO L226 Difference]: Without dead ends: 1807 [2024-11-24 02:03:10,004 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 [2024-11-24 02:03:10,005 INFO L435 NwaCegarLoop]: 231 mSDtfsCounter, 80 mSDsluCounter, 570 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 801 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-24 02:03:10,005 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 801 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-24 02:03:10,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1807 states. [2024-11-24 02:03:10,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1807 to 1742. [2024-11-24 02:03:10,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1742 states, 1505 states have (on average 1.2704318936877077) internal successors, (1912), 1527 states have internal predecessors, (1912), 184 states have call successors, (184), 52 states have call predecessors, (184), 52 states have return successors, (184), 162 states have call predecessors, (184), 184 states have call successors, (184) [2024-11-24 02:03:10,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1742 states to 1742 states and 2280 transitions. [2024-11-24 02:03:10,141 INFO L78 Accepts]: Start accepts. Automaton has 1742 states and 2280 transitions. Word has length 149 [2024-11-24 02:03:10,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:03:10,142 INFO L471 AbstractCegarLoop]: Abstraction has 1742 states and 2280 transitions. [2024-11-24 02:03:10,142 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) [2024-11-24 02:03:10,142 INFO L276 IsEmpty]: Start isEmpty. Operand 1742 states and 2280 transitions. [2024-11-24 02:03:10,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-24 02:03:10,144 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:03:10,144 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] [2024-11-24 02:03:10,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:03:10,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:03:10,345 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:03:10,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:03:10,346 INFO L85 PathProgramCache]: Analyzing trace with hash 1119638912, now seen corresponding path program 1 times [2024-11-24 02:03:10,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:03:10,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1075519566] [2024-11-24 02:03:10,346 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:03:10,346 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 [2024-11-24 02:03:10,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 02:03:10,349 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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) [2024-11-24 02:03:10,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:03:10,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:03:10,806 INFO L256 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-24 02:03:10,808 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:03:10,929 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 20 treesize of output 12 [2024-11-24 02:03:10,934 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 16 treesize of output 8 [2024-11-24 02:03:10,956 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 02:03:10,956 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:03:10,956 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 02:03:10,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1075519566] [2024-11-24 02:03:10,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1075519566] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:03:10,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:03:10,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 02:03:10,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382963071] [2024-11-24 02:03:10,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:03:10,957 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 02:03:10,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 02:03:10,957 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 02:03:10,957 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:03:10,957 INFO L87 Difference]: Start difference. First operand 1742 states and 2280 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 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) [2024-11-24 02:03:11,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:03:11,381 INFO L93 Difference]: Finished difference Result 3516 states and 4598 transitions. [2024-11-24 02:03:11,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 02:03:11,382 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 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 [2024-11-24 02:03:11,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:03:11,389 INFO L225 Difference]: With dead ends: 3516 [2024-11-24 02:03:11,390 INFO L226 Difference]: Without dead ends: 1777 [2024-11-24 02:03:11,392 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-24 02:03:11,393 INFO L435 NwaCegarLoop]: 165 mSDtfsCounter, 91 mSDsluCounter, 444 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 609 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 02:03:11,393 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 609 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 02:03:11,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1777 states. [2024-11-24 02:03:11,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1777 to 1520. [2024-11-24 02:03:11,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1520 states, 1321 states have (on average 1.2641937925813778) internal successors, (1670), 1339 states have internal predecessors, (1670), 152 states have call successors, (152), 46 states have call predecessors, (152), 46 states have return successors, (152), 134 states have call predecessors, (152), 152 states have call successors, (152) [2024-11-24 02:03:11,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1520 states to 1520 states and 1974 transitions. [2024-11-24 02:03:11,506 INFO L78 Accepts]: Start accepts. Automaton has 1520 states and 1974 transitions. Word has length 150 [2024-11-24 02:03:11,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:03:11,506 INFO L471 AbstractCegarLoop]: Abstraction has 1520 states and 1974 transitions. [2024-11-24 02:03:11,506 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 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) [2024-11-24 02:03:11,507 INFO L276 IsEmpty]: Start isEmpty. Operand 1520 states and 1974 transitions. [2024-11-24 02:03:11,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-24 02:03:11,508 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:03:11,508 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] [2024-11-24 02:03:11,531 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:03:11,709 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:03:11,709 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:03:11,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:03:11,710 INFO L85 PathProgramCache]: Analyzing trace with hash -870794344, now seen corresponding path program 1 times [2024-11-24 02:03:11,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:03:11,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2003579101] [2024-11-24 02:03:11,711 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:03:11,711 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 [2024-11-24 02:03:11,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 02:03:11,713 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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) [2024-11-24 02:03:11,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:03:12,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:03:12,164 INFO L256 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 02:03:12,166 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:03:14,579 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 [2024-11-24 02:03:14,738 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 264 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-11-24 02:03:14,738 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 02:03:29,022 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-11-24 02:03:29,022 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 76 treesize of output 47 [2024-11-24 02:03:33,479 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 02:03:33,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2003579101] [2024-11-24 02:03:33,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2003579101] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 02:03:33,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [418298969] [2024-11-24 02:03:33,480 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:03:33,480 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 02:03:33,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-24 02:03:33,482 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 02:03:33,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-24 02:03:34,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:03:34,714 INFO L256 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 02:03:34,716 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:03:40,098 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 [2024-11-24 02:03:45,449 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 02:03:45,449 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:03:45,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [418298969] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:03:45,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 02:03:45,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 11 [2024-11-24 02:03:45,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119365736] [2024-11-24 02:03:45,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:03:45,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 02:03:45,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 02:03:45,450 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 02:03:45,451 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2024-11-24 02:03:45,451 INFO L87 Difference]: Start difference. First operand 1520 states and 1974 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 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) [2024-11-24 02:03:46,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 02:03:48,026 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 02:03:51,308 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 02:03:52,735 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 02:03:53,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 02:03:55,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 02:03:56,973 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 02:03:58,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 02:03:59,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 02:04:05,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 02:04:09,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 02:04:11,705 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 02:04:14,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 02:04:18,402 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 02:04:21,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 02:04:25,208 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 02:04:29,565 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 02:04:34,152 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 02:04:44,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 02:04:45,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 02:04:47,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 02:04:49,772 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 02:04:56,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 02:04:58,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 02:05:01,152 WARN L539 Checker$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 [0] [2024-11-24 02:05:03,333 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 02:05:03,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:05:03,658 INFO L93 Difference]: Finished difference Result 3446 states and 4438 transitions. [2024-11-24 02:05:03,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 02:05:03,671 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 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 151 [2024-11-24 02:05:03,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:05:03,677 INFO L225 Difference]: With dead ends: 3446 [2024-11-24 02:05:03,678 INFO L226 Difference]: Without dead ends: 1929 [2024-11-24 02:05:03,680 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 407 GetRequests, 391 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 25.2s TimeCoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2024-11-24 02:05:03,681 INFO L435 NwaCegarLoop]: 241 mSDtfsCounter, 72 mSDsluCounter, 564 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 0 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 71.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 805 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 72.7s IncrementalHoareTripleChecker+Time [2024-11-24 02:05:03,681 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 805 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 140 Invalid, 6 Unknown, 0 Unchecked, 72.7s Time] [2024-11-24 02:05:03,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1929 states. [2024-11-24 02:05:03,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1929 to 1923. [2024-11-24 02:05:03,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1923 states, 1672 states have (on average 1.2452153110047848) internal successors, (2082), 1698 states have internal predecessors, (2082), 188 states have call successors, (188), 62 states have call predecessors, (188), 62 states have return successors, (188), 162 states have call predecessors, (188), 188 states have call successors, (188) [2024-11-24 02:05:03,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1923 states to 1923 states and 2458 transitions. [2024-11-24 02:05:03,807 INFO L78 Accepts]: Start accepts. Automaton has 1923 states and 2458 transitions. Word has length 151 [2024-11-24 02:05:03,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:05:03,808 INFO L471 AbstractCegarLoop]: Abstraction has 1923 states and 2458 transitions. [2024-11-24 02:05:03,808 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 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) [2024-11-24 02:05:03,808 INFO L276 IsEmpty]: Start isEmpty. Operand 1923 states and 2458 transitions. [2024-11-24 02:05:03,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-24 02:05:03,810 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:05:03,810 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] [2024-11-24 02:05:03,820 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:05:04,022 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-11-24 02:05:04,211 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt [2024-11-24 02:05:04,211 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:05:04,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:05:04,212 INFO L85 PathProgramCache]: Analyzing trace with hash -827587211, now seen corresponding path program 1 times [2024-11-24 02:05:04,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:05:04,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [845864002] [2024-11-24 02:05:04,212 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:05:04,212 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 [2024-11-24 02:05:04,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 02:05:04,214 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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) [2024-11-24 02:05:04,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:05:04,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:05:04,760 INFO L256 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-24 02:05:04,762 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:05:04,804 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 11 [2024-11-24 02:05:04,872 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 19 treesize of output 11 [2024-11-24 02:05:04,882 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 15 treesize of output 7 [2024-11-24 02:05:04,937 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 02:05:04,937 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:05:04,937 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 02:05:04,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [845864002] [2024-11-24 02:05:04,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [845864002] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:05:04,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:05:04,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 02:05:04,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226597637] [2024-11-24 02:05:04,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:05:04,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 02:05:04,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 02:05:04,939 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 02:05:04,939 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:05:04,939 INFO L87 Difference]: Start difference. First operand 1923 states and 2458 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 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) [2024-11-24 02:05:05,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:05:05,714 INFO L93 Difference]: Finished difference Result 3905 states and 5011 transitions. [2024-11-24 02:05:05,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 02:05:05,715 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 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 152 [2024-11-24 02:05:05,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:05:05,721 INFO L225 Difference]: With dead ends: 3905 [2024-11-24 02:05:05,721 INFO L226 Difference]: Without dead ends: 1985 [2024-11-24 02:05:05,723 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-24 02:05:05,723 INFO L435 NwaCegarLoop]: 253 mSDtfsCounter, 84 mSDsluCounter, 616 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 869 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-24 02:05:05,723 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 869 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-24 02:05:05,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1985 states. [2024-11-24 02:05:05,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1985 to 1813. [2024-11-24 02:05:05,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1813 states, 1562 states have (on average 1.2471190781049937) internal successors, (1948), 1588 states have internal predecessors, (1948), 188 states have call successors, (188), 62 states have call predecessors, (188), 62 states have return successors, (188), 162 states have call predecessors, (188), 188 states have call successors, (188) [2024-11-24 02:05:05,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1813 states to 1813 states and 2324 transitions. [2024-11-24 02:05:05,822 INFO L78 Accepts]: Start accepts. Automaton has 1813 states and 2324 transitions. Word has length 152 [2024-11-24 02:05:05,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:05:05,822 INFO L471 AbstractCegarLoop]: Abstraction has 1813 states and 2324 transitions. [2024-11-24 02:05:05,822 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 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) [2024-11-24 02:05:05,822 INFO L276 IsEmpty]: Start isEmpty. Operand 1813 states and 2324 transitions. [2024-11-24 02:05:05,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-24 02:05:05,823 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:05:05,824 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] [2024-11-24 02:05:05,830 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:05:06,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:05:06,024 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:05:06,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:05:06,025 INFO L85 PathProgramCache]: Analyzing trace with hash 858601866, now seen corresponding path program 1 times [2024-11-24 02:05:06,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:05:06,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [579199341] [2024-11-24 02:05:06,025 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:05:06,025 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 [2024-11-24 02:05:06,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 02:05:06,027 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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) [2024-11-24 02:05:06,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:05:06,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:05:06,509 INFO L256 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-24 02:05:06,511 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:05:06,813 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 20 treesize of output 12 [2024-11-24 02:05:06,823 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 16 treesize of output 8 [2024-11-24 02:05:06,878 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 02:05:06,878 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:05:06,878 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 02:05:06,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [579199341] [2024-11-24 02:05:06,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [579199341] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:05:06,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:05:06,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 02:05:06,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626286704] [2024-11-24 02:05:06,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:05:06,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 02:05:06,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 02:05:06,879 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 02:05:06,879 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:05:06,880 INFO L87 Difference]: Start difference. First operand 1813 states and 2324 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) [2024-11-24 02:05:07,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:05:07,780 INFO L93 Difference]: Finished difference Result 4931 states and 6318 transitions. [2024-11-24 02:05:07,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 02:05:07,782 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 [2024-11-24 02:05:07,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:05:07,792 INFO L225 Difference]: With dead ends: 4931 [2024-11-24 02:05:07,792 INFO L226 Difference]: Without dead ends: 3121 [2024-11-24 02:05:07,795 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 [2024-11-24 02:05:07,796 INFO L435 NwaCegarLoop]: 244 mSDtfsCounter, 104 mSDsluCounter, 594 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 838 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-24 02:05:07,796 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 838 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-24 02:05:07,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3121 states. [2024-11-24 02:05:07,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3121 to 2227. [2024-11-24 02:05:07,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2227 states, 1976 states have (on average 1.2530364372469636) internal successors, (2476), 2002 states have internal predecessors, (2476), 188 states have call successors, (188), 62 states have call predecessors, (188), 62 states have return successors, (188), 162 states have call predecessors, (188), 188 states have call successors, (188) [2024-11-24 02:05:07,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2227 states to 2227 states and 2852 transitions. [2024-11-24 02:05:07,938 INFO L78 Accepts]: Start accepts. Automaton has 2227 states and 2852 transitions. Word has length 154 [2024-11-24 02:05:07,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:05:07,938 INFO L471 AbstractCegarLoop]: Abstraction has 2227 states and 2852 transitions. [2024-11-24 02:05:07,938 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) [2024-11-24 02:05:07,939 INFO L276 IsEmpty]: Start isEmpty. Operand 2227 states and 2852 transitions. [2024-11-24 02:05:07,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-24 02:05:07,941 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:05:07,941 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] [2024-11-24 02:05:07,950 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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)] Ended with exit code 0 [2024-11-24 02:05:08,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:05:08,142 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:05:08,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:05:08,143 INFO L85 PathProgramCache]: Analyzing trace with hash 1116767304, now seen corresponding path program 1 times [2024-11-24 02:05:08,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:05:08,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1942158762] [2024-11-24 02:05:08,143 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:05:08,144 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 [2024-11-24 02:05:08,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 02:05:08,146 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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) [2024-11-24 02:05:08,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:05:08,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:05:08,766 INFO L256 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-24 02:05:08,769 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:05:09,180 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 20 treesize of output 12 [2024-11-24 02:05:09,191 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 16 treesize of output 8 [2024-11-24 02:05:09,249 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 02:05:09,249 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:05:09,250 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 02:05:09,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1942158762] [2024-11-24 02:05:09,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1942158762] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:05:09,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:05:09,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 02:05:09,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574761533] [2024-11-24 02:05:09,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:05:09,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 02:05:09,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 02:05:09,251 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 02:05:09,251 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:05:09,251 INFO L87 Difference]: Start difference. First operand 2227 states and 2852 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) [2024-11-24 02:05:10,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:05:10,191 INFO L93 Difference]: Finished difference Result 5345 states and 6834 transitions. [2024-11-24 02:05:10,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 02:05:10,192 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 [2024-11-24 02:05:10,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:05:10,202 INFO L225 Difference]: With dead ends: 5345 [2024-11-24 02:05:10,202 INFO L226 Difference]: Without dead ends: 3121 [2024-11-24 02:05:10,206 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-24 02:05:10,207 INFO L435 NwaCegarLoop]: 245 mSDtfsCounter, 101 mSDsluCounter, 595 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 840 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-24 02:05:10,207 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 840 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-24 02:05:10,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3121 states. [2024-11-24 02:05:10,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3121 to 2251. [2024-11-24 02:05:10,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2251 states, 2000 states have (on average 1.256) internal successors, (2512), 2026 states have internal predecessors, (2512), 188 states have call successors, (188), 62 states have call predecessors, (188), 62 states have return successors, (188), 162 states have call predecessors, (188), 188 states have call successors, (188) [2024-11-24 02:05:10,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2251 states to 2251 states and 2888 transitions. [2024-11-24 02:05:10,356 INFO L78 Accepts]: Start accepts. Automaton has 2251 states and 2888 transitions. Word has length 154 [2024-11-24 02:05:10,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:05:10,357 INFO L471 AbstractCegarLoop]: Abstraction has 2251 states and 2888 transitions. [2024-11-24 02:05:10,357 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) [2024-11-24 02:05:10,357 INFO L276 IsEmpty]: Start isEmpty. Operand 2251 states and 2888 transitions. [2024-11-24 02:05:10,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-24 02:05:10,359 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:05:10,360 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] [2024-11-24 02:05:10,369 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:05:10,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:05:10,564 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:05:10,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:05:10,565 INFO L85 PathProgramCache]: Analyzing trace with hash 723740294, now seen corresponding path program 1 times [2024-11-24 02:05:10,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:05:10,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [304011869] [2024-11-24 02:05:10,566 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:05:10,566 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 [2024-11-24 02:05:10,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 02:05:10,568 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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) [2024-11-24 02:05:10,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:05:11,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:05:11,087 INFO L256 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-24 02:05:11,089 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:05:11,425 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 19 treesize of output 11 [2024-11-24 02:05:11,510 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 15 treesize of output 7 [2024-11-24 02:05:11,584 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 02:05:11,584 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:05:11,584 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 02:05:11,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [304011869] [2024-11-24 02:05:11,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [304011869] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:05:11,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:05:11,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-24 02:05:11,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839947023] [2024-11-24 02:05:11,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:05:11,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 02:05:11,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 02:05:11,585 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 02:05:11,585 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-24 02:05:11,585 INFO L87 Difference]: Start difference. First operand 2251 states and 2888 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) 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) [2024-11-24 02:05:13,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:05:13,165 INFO L93 Difference]: Finished difference Result 5379 states and 6822 transitions. [2024-11-24 02:05:13,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 02:05:13,166 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.285714285714286) 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 [2024-11-24 02:05:13,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:05:13,176 INFO L225 Difference]: With dead ends: 5379 [2024-11-24 02:05:13,176 INFO L226 Difference]: Without dead ends: 3131 [2024-11-24 02:05:13,179 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-24 02:05:13,179 INFO L435 NwaCegarLoop]: 201 mSDtfsCounter, 65 mSDsluCounter, 869 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 1070 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-24 02:05:13,180 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 1070 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-24 02:05:13,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3131 states. [2024-11-24 02:05:13,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3131 to 2605. [2024-11-24 02:05:13,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2605 states, 2354 states have (on average 1.24553950722175) internal successors, (2932), 2380 states have internal predecessors, (2932), 188 states have call successors, (188), 62 states have call predecessors, (188), 62 states have return successors, (188), 162 states have call predecessors, (188), 188 states have call successors, (188) [2024-11-24 02:05:13,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2605 states to 2605 states and 3308 transitions. [2024-11-24 02:05:13,348 INFO L78 Accepts]: Start accepts. Automaton has 2605 states and 3308 transitions. Word has length 154 [2024-11-24 02:05:13,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:05:13,349 INFO L471 AbstractCegarLoop]: Abstraction has 2605 states and 3308 transitions. [2024-11-24 02:05:13,349 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) 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) [2024-11-24 02:05:13,349 INFO L276 IsEmpty]: Start isEmpty. Operand 2605 states and 3308 transitions. [2024-11-24 02:05:13,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-24 02:05:13,352 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:05:13,353 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] [2024-11-24 02:05:13,362 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:05:13,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:05:13,555 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:05:13,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:05:13,557 INFO L85 PathProgramCache]: Analyzing trace with hash 965302879, now seen corresponding path program 1 times [2024-11-24 02:05:13,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:05:13,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1079216033] [2024-11-24 02:05:13,557 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:05:13,558 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 [2024-11-24 02:05:13,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 02:05:13,560 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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) [2024-11-24 02:05:13,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:05:14,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:05:14,077 INFO L256 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 02:05:14,080 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:05:14,199 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 11 [2024-11-24 02:05:14,419 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 19 treesize of output 11 [2024-11-24 02:05:14,541 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 15 treesize of output 7 [2024-11-24 02:05:15,009 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 02:05:15,009 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:05:15,009 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 02:05:15,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1079216033] [2024-11-24 02:05:15,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1079216033] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:05:15,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:05:15,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-24 02:05:15,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150716817] [2024-11-24 02:05:15,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:05:15,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-24 02:05:15,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 02:05:15,010 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-24 02:05:15,010 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-11-24 02:05:15,011 INFO L87 Difference]: Start difference. First operand 2605 states and 3308 transitions. Second operand has 11 states, 11 states have (on average 6.545454545454546) 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) [2024-11-24 02:05:17,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:05:17,279 INFO L93 Difference]: Finished difference Result 6513 states and 8190 transitions. [2024-11-24 02:05:17,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-24 02:05:17,280 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.545454545454546) 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 [2024-11-24 02:05:17,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:05:17,291 INFO L225 Difference]: With dead ends: 6513 [2024-11-24 02:05:17,291 INFO L226 Difference]: Without dead ends: 3911 [2024-11-24 02:05:17,295 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2024-11-24 02:05:17,296 INFO L435 NwaCegarLoop]: 184 mSDtfsCounter, 79 mSDsluCounter, 1515 mSDsCounter, 0 mSdLazyCounter, 281 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 1699 SdHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-24 02:05:17,296 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 1699 Invalid, 282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 281 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-24 02:05:17,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3911 states. [2024-11-24 02:05:17,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3911 to 3415. [2024-11-24 02:05:17,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3415 states, 3164 states have (on average 1.2395701643489254) internal successors, (3922), 3190 states have internal predecessors, (3922), 188 states have call successors, (188), 62 states have call predecessors, (188), 62 states have return successors, (188), 162 states have call predecessors, (188), 188 states have call successors, (188) [2024-11-24 02:05:17,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3415 states to 3415 states and 4298 transitions. [2024-11-24 02:05:17,496 INFO L78 Accepts]: Start accepts. Automaton has 3415 states and 4298 transitions. Word has length 154 [2024-11-24 02:05:17,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:05:17,496 INFO L471 AbstractCegarLoop]: Abstraction has 3415 states and 4298 transitions. [2024-11-24 02:05:17,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.545454545454546) 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) [2024-11-24 02:05:17,497 INFO L276 IsEmpty]: Start isEmpty. Operand 3415 states and 4298 transitions. [2024-11-24 02:05:17,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-24 02:05:17,500 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:05:17,500 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] [2024-11-24 02:05:17,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:05:17,704 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:05:17,704 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:05:17,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:05:17,704 INFO L85 PathProgramCache]: Analyzing trace with hash 572275869, now seen corresponding path program 1 times [2024-11-24 02:05:17,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:05:17,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [392628975] [2024-11-24 02:05:17,705 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:05:17,705 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 [2024-11-24 02:05:17,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 02:05:17,707 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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) [2024-11-24 02:05:17,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:05:18,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:05:18,180 INFO L256 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-24 02:05:18,182 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:05:18,664 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 19 treesize of output 11 [2024-11-24 02:05:18,674 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 15 treesize of output 7 [2024-11-24 02:05:18,744 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 02:05:18,744 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:05:18,744 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 02:05:18,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [392628975] [2024-11-24 02:05:18,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [392628975] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:05:18,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:05:18,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 02:05:18,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37047151] [2024-11-24 02:05:18,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:05:18,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 02:05:18,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 02:05:18,745 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 02:05:18,745 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 02:05:18,745 INFO L87 Difference]: Start difference. First operand 3415 states and 4298 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) [2024-11-24 02:05:19,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:05:19,922 INFO L93 Difference]: Finished difference Result 8079 states and 10128 transitions. [2024-11-24 02:05:19,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 02:05:19,923 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 [2024-11-24 02:05:19,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:05:19,934 INFO L225 Difference]: With dead ends: 8079 [2024-11-24 02:05:19,934 INFO L226 Difference]: Without dead ends: 4667 [2024-11-24 02:05:19,938 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-24 02:05:19,939 INFO L435 NwaCegarLoop]: 199 mSDtfsCounter, 63 mSDsluCounter, 696 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 895 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-24 02:05:19,943 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 895 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-24 02:05:19,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4667 states. [2024-11-24 02:05:20,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4667 to 4171. [2024-11-24 02:05:20,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4171 states, 3920 states have (on average 1.2392857142857143) internal successors, (4858), 3946 states have internal predecessors, (4858), 188 states have call successors, (188), 62 states have call predecessors, (188), 62 states have return successors, (188), 162 states have call predecessors, (188), 188 states have call successors, (188) [2024-11-24 02:05:20,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4171 states to 4171 states and 5234 transitions. [2024-11-24 02:05:20,189 INFO L78 Accepts]: Start accepts. Automaton has 4171 states and 5234 transitions. Word has length 154 [2024-11-24 02:05:20,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:05:20,189 INFO L471 AbstractCegarLoop]: Abstraction has 4171 states and 5234 transitions. [2024-11-24 02:05:20,189 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) [2024-11-24 02:05:20,189 INFO L276 IsEmpty]: Start isEmpty. Operand 4171 states and 5234 transitions. [2024-11-24 02:05:20,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-24 02:05:20,193 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:05:20,193 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] [2024-11-24 02:05:20,202 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:05:20,394 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:05:20,394 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:05:20,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:05:20,395 INFO L85 PathProgramCache]: Analyzing trace with hash -287376956, now seen corresponding path program 1 times [2024-11-24 02:05:20,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:05:20,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [741920232] [2024-11-24 02:05:20,396 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:05:20,396 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 [2024-11-24 02:05:20,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 02:05:20,398 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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) [2024-11-24 02:05:20,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:05:20,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:05:20,960 INFO L256 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-24 02:05:20,962 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:05:21,421 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 19 treesize of output 11 [2024-11-24 02:05:21,434 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 15 treesize of output 7 [2024-11-24 02:05:21,504 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 02:05:21,504 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:05:21,505 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 02:05:21,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [741920232] [2024-11-24 02:05:21,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [741920232] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:05:21,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:05:21,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 02:05:21,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120240896] [2024-11-24 02:05:21,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:05:21,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 02:05:21,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 02:05:21,506 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 02:05:21,506 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 02:05:21,507 INFO L87 Difference]: Start difference. First operand 4171 states and 5234 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) [2024-11-24 02:05:22,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:05:22,684 INFO L93 Difference]: Finished difference Result 8799 states and 10992 transitions. [2024-11-24 02:05:22,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 02:05:22,685 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 [2024-11-24 02:05:22,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:05:22,699 INFO L225 Difference]: With dead ends: 8799 [2024-11-24 02:05:22,699 INFO L226 Difference]: Without dead ends: 4631 [2024-11-24 02:05:22,704 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-24 02:05:22,707 INFO L435 NwaCegarLoop]: 200 mSDtfsCounter, 66 mSDsluCounter, 697 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 897 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-24 02:05:22,708 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 897 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-24 02:05:22,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4631 states. [2024-11-24 02:05:22,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4631 to 4135. [2024-11-24 02:05:22,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4135 states, 3884 states have (on average 1.2229660144181256) internal successors, (4750), 3910 states have internal predecessors, (4750), 188 states have call successors, (188), 62 states have call predecessors, (188), 62 states have return successors, (188), 162 states have call predecessors, (188), 188 states have call successors, (188) [2024-11-24 02:05:22,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4135 states to 4135 states and 5126 transitions. [2024-11-24 02:05:23,002 INFO L78 Accepts]: Start accepts. Automaton has 4135 states and 5126 transitions. Word has length 154 [2024-11-24 02:05:23,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:05:23,002 INFO L471 AbstractCegarLoop]: Abstraction has 4135 states and 5126 transitions. [2024-11-24 02:05:23,002 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) [2024-11-24 02:05:23,002 INFO L276 IsEmpty]: Start isEmpty. Operand 4135 states and 5126 transitions. [2024-11-24 02:05:23,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-24 02:05:23,009 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:05:23,009 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] [2024-11-24 02:05:23,018 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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)] Ended with exit code 0 [2024-11-24 02:05:23,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:05:23,210 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:05:23,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:05:23,211 INFO L85 PathProgramCache]: Analyzing trace with hash 455829789, now seen corresponding path program 1 times [2024-11-24 02:05:23,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:05:23,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1547917666] [2024-11-24 02:05:23,212 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:05:23,212 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 [2024-11-24 02:05:23,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 02:05:23,214 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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) [2024-11-24 02:05:23,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:05:23,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:05:23,743 INFO L256 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-24 02:05:23,746 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:05:24,027 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 19 treesize of output 11 [2024-11-24 02:05:24,042 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 15 treesize of output 7 [2024-11-24 02:05:24,113 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 02:05:24,113 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:05:24,113 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 02:05:24,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1547917666] [2024-11-24 02:05:24,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1547917666] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:05:24,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:05:24,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 02:05:24,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362284021] [2024-11-24 02:05:24,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:05:24,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 02:05:24,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 02:05:24,115 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 02:05:24,116 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 02:05:24,116 INFO L87 Difference]: Start difference. First operand 4135 states and 5126 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) [2024-11-24 02:05:25,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:05:25,328 INFO L93 Difference]: Finished difference Result 8397 states and 10404 transitions. [2024-11-24 02:05:25,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 02:05:25,330 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 [2024-11-24 02:05:25,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:05:25,347 INFO L225 Difference]: With dead ends: 8397 [2024-11-24 02:05:25,351 INFO L226 Difference]: Without dead ends: 4265 [2024-11-24 02:05:25,360 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-24 02:05:25,362 INFO L435 NwaCegarLoop]: 201 mSDtfsCounter, 79 mSDsluCounter, 700 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 901 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-24 02:05:25,363 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 901 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-24 02:05:25,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4265 states. [2024-11-24 02:05:25,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4265 to 3769. [2024-11-24 02:05:25,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3769 states, 3518 states have (on average 1.2239909039226833) internal successors, (4306), 3544 states have internal predecessors, (4306), 188 states have call successors, (188), 62 states have call predecessors, (188), 62 states have return successors, (188), 162 states have call predecessors, (188), 188 states have call successors, (188) [2024-11-24 02:05:25,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3769 states to 3769 states and 4682 transitions. [2024-11-24 02:05:25,557 INFO L78 Accepts]: Start accepts. Automaton has 3769 states and 4682 transitions. Word has length 154 [2024-11-24 02:05:25,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:05:25,558 INFO L471 AbstractCegarLoop]: Abstraction has 3769 states and 4682 transitions. [2024-11-24 02:05:25,558 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) [2024-11-24 02:05:25,558 INFO L276 IsEmpty]: Start isEmpty. Operand 3769 states and 4682 transitions. [2024-11-24 02:05:25,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-24 02:05:25,562 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:05:25,562 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] [2024-11-24 02:05:25,571 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:05:25,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:05:25,763 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:05:25,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:05:25,763 INFO L85 PathProgramCache]: Analyzing trace with hash 438650927, now seen corresponding path program 1 times [2024-11-24 02:05:25,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:05:25,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1919854818] [2024-11-24 02:05:25,764 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:05:25,764 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 [2024-11-24 02:05:25,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 02:05:25,766 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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) [2024-11-24 02:05:25,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:05:26,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:05:26,322 INFO L256 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-24 02:05:26,323 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:05:26,441 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 20 treesize of output 12 [2024-11-24 02:05:26,452 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 16 treesize of output 8 [2024-11-24 02:05:26,510 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 02:05:26,510 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:05:26,511 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 02:05:26,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1919854818] [2024-11-24 02:05:26,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1919854818] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:05:26,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:05:26,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 02:05:26,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623480614] [2024-11-24 02:05:26,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:05:26,511 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 02:05:26,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 02:05:26,512 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 02:05:26,512 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:05:26,512 INFO L87 Difference]: Start difference. First operand 3769 states and 4682 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) [2024-11-24 02:05:27,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:05:27,396 INFO L93 Difference]: Finished difference Result 8489 states and 10530 transitions. [2024-11-24 02:05:27,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 02:05:27,397 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 [2024-11-24 02:05:27,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:05:27,406 INFO L225 Difference]: With dead ends: 8489 [2024-11-24 02:05:27,406 INFO L226 Difference]: Without dead ends: 4723 [2024-11-24 02:05:27,412 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-24 02:05:27,412 INFO L435 NwaCegarLoop]: 246 mSDtfsCounter, 118 mSDsluCounter, 598 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 844 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-24 02:05:27,413 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 844 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-24 02:05:27,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4723 states. [2024-11-24 02:05:27,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4723 to 3769. [2024-11-24 02:05:27,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3769 states, 3518 states have (on average 1.2171688459351904) internal successors, (4282), 3544 states have internal predecessors, (4282), 188 states have call successors, (188), 62 states have call predecessors, (188), 62 states have return successors, (188), 162 states have call predecessors, (188), 188 states have call successors, (188) [2024-11-24 02:05:27,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3769 states to 3769 states and 4658 transitions. [2024-11-24 02:05:27,612 INFO L78 Accepts]: Start accepts. Automaton has 3769 states and 4658 transitions. Word has length 154 [2024-11-24 02:05:27,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:05:27,613 INFO L471 AbstractCegarLoop]: Abstraction has 3769 states and 4658 transitions. [2024-11-24 02:05:27,613 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) [2024-11-24 02:05:27,613 INFO L276 IsEmpty]: Start isEmpty. Operand 3769 states and 4658 transitions. [2024-11-24 02:05:27,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-24 02:05:27,617 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:05:27,617 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] [2024-11-24 02:05:27,627 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:05:27,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:05:27,818 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:05:27,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:05:27,818 INFO L85 PathProgramCache]: Analyzing trace with hash -70822163, now seen corresponding path program 1 times [2024-11-24 02:05:27,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:05:27,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1487013667] [2024-11-24 02:05:27,819 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:05:27,819 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 [2024-11-24 02:05:27,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 02:05:27,822 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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) [2024-11-24 02:05:27,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:05:28,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:05:28,274 INFO L256 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 02:05:28,277 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:05:28,364 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 11 [2024-11-24 02:05:28,564 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 19 treesize of output 11 [2024-11-24 02:05:28,681 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 15 treesize of output 7 [2024-11-24 02:05:29,125 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 02:05:29,126 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:05:29,126 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 02:05:29,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1487013667] [2024-11-24 02:05:29,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1487013667] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:05:29,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:05:29,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-24 02:05:29,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137834681] [2024-11-24 02:05:29,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:05:29,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-24 02:05:29,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 02:05:29,127 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-24 02:05:29,127 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-11-24 02:05:29,127 INFO L87 Difference]: Start difference. First operand 3769 states and 4658 transitions. Second operand has 11 states, 11 states have (on average 6.545454545454546) 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) [2024-11-24 02:05:31,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:05:31,601 INFO L93 Difference]: Finished difference Result 9583 states and 11850 transitions. [2024-11-24 02:05:31,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-24 02:05:31,602 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.545454545454546) 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 [2024-11-24 02:05:31,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:05:31,614 INFO L225 Difference]: With dead ends: 9583 [2024-11-24 02:05:31,614 INFO L226 Difference]: Without dead ends: 5817 [2024-11-24 02:05:31,619 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2024-11-24 02:05:31,620 INFO L435 NwaCegarLoop]: 275 mSDtfsCounter, 123 mSDsluCounter, 2172 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 2447 SdHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-24 02:05:31,620 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 2447 Invalid, 319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-24 02:05:31,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5817 states. [2024-11-24 02:05:31,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5817 to 5619. [2024-11-24 02:05:31,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5619 states, 5230 states have (on average 1.2164435946462715) internal successors, (6362), 5276 states have internal predecessors, (6362), 284 states have call successors, (284), 104 states have call predecessors, (284), 104 states have return successors, (284), 238 states have call predecessors, (284), 284 states have call successors, (284) [2024-11-24 02:05:31,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5619 states to 5619 states and 6930 transitions. [2024-11-24 02:05:31,932 INFO L78 Accepts]: Start accepts. Automaton has 5619 states and 6930 transitions. Word has length 154 [2024-11-24 02:05:31,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:05:31,933 INFO L471 AbstractCegarLoop]: Abstraction has 5619 states and 6930 transitions. [2024-11-24 02:05:31,933 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.545454545454546) 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) [2024-11-24 02:05:31,933 INFO L276 IsEmpty]: Start isEmpty. Operand 5619 states and 6930 transitions. [2024-11-24 02:05:31,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-24 02:05:31,939 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:05:31,939 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] [2024-11-24 02:05:31,948 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:05:32,140 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:05:32,140 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:05:32,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:05:32,140 INFO L85 PathProgramCache]: Analyzing trace with hash 170740422, now seen corresponding path program 1 times [2024-11-24 02:05:32,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:05:32,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [501948817] [2024-11-24 02:05:32,141 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:05:32,141 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 [2024-11-24 02:05:32,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 02:05:32,146 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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) [2024-11-24 02:05:32,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:05:32,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:05:32,668 INFO L256 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-24 02:05:32,670 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:05:33,124 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 20 treesize of output 12 [2024-11-24 02:05:33,209 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 16 treesize of output 8 [2024-11-24 02:05:33,281 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 02:05:33,281 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:05:33,281 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 02:05:33,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [501948817] [2024-11-24 02:05:33,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [501948817] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:05:33,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:05:33,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-24 02:05:33,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848475550] [2024-11-24 02:05:33,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:05:33,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 02:05:33,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 02:05:33,283 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 02:05:33,283 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-24 02:05:33,283 INFO L87 Difference]: Start difference. First operand 5619 states and 6930 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) 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) [2024-11-24 02:05:34,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:05:34,588 INFO L93 Difference]: Finished difference Result 11698 states and 14370 transitions. [2024-11-24 02:05:34,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 02:05:34,589 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.285714285714286) 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 [2024-11-24 02:05:34,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:05:34,601 INFO L225 Difference]: With dead ends: 11698 [2024-11-24 02:05:34,601 INFO L226 Difference]: Without dead ends: 6082 [2024-11-24 02:05:34,607 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-24 02:05:34,607 INFO L435 NwaCegarLoop]: 208 mSDtfsCounter, 57 mSDsluCounter, 706 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 914 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-24 02:05:34,608 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 914 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-24 02:05:34,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6082 states. [2024-11-24 02:05:34,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6082 to 5619. [2024-11-24 02:05:34,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5619 states, 5230 states have (on average 1.21414913957935) internal successors, (6350), 5276 states have internal predecessors, (6350), 284 states have call successors, (284), 104 states have call predecessors, (284), 104 states have return successors, (284), 238 states have call predecessors, (284), 284 states have call successors, (284) [2024-11-24 02:05:34,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5619 states to 5619 states and 6918 transitions. [2024-11-24 02:05:34,916 INFO L78 Accepts]: Start accepts. Automaton has 5619 states and 6918 transitions. Word has length 154 [2024-11-24 02:05:34,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:05:34,917 INFO L471 AbstractCegarLoop]: Abstraction has 5619 states and 6918 transitions. [2024-11-24 02:05:34,917 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) 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) [2024-11-24 02:05:34,917 INFO L276 IsEmpty]: Start isEmpty. Operand 5619 states and 6918 transitions. [2024-11-24 02:05:34,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-24 02:05:34,924 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:05:34,924 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] [2024-11-24 02:05:34,938 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:05:35,124 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:05:35,125 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:05:35,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:05:35,125 INFO L85 PathProgramCache]: Analyzing trace with hash 835969612, now seen corresponding path program 1 times [2024-11-24 02:05:35,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:05:35,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1577194841] [2024-11-24 02:05:35,126 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:05:35,126 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 [2024-11-24 02:05:35,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 02:05:35,128 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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) [2024-11-24 02:05:35,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:05:35,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:05:35,666 INFO L256 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-24 02:05:35,669 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:05:36,061 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 11 [2024-11-24 02:05:36,188 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 19 treesize of output 11 [2024-11-24 02:05:36,337 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 02:05:36,337 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:05:36,337 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 02:05:36,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1577194841] [2024-11-24 02:05:36,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1577194841] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:05:36,337 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:05:36,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-24 02:05:36,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784107675] [2024-11-24 02:05:36,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:05:36,338 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-24 02:05:36,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 02:05:36,338 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-24 02:05:36,338 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-24 02:05:36,339 INFO L87 Difference]: Start difference. First operand 5619 states and 6918 transitions. Second operand has 9 states, 9 states have (on average 8.0) 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) [2024-11-24 02:05:38,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:05:38,555 INFO L93 Difference]: Finished difference Result 11511 states and 14150 transitions. [2024-11-24 02:05:38,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-24 02:05:38,556 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.0) 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 [2024-11-24 02:05:38,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:05:38,564 INFO L225 Difference]: With dead ends: 11511 [2024-11-24 02:05:38,564 INFO L226 Difference]: Without dead ends: 5895 [2024-11-24 02:05:38,568 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-24 02:05:38,568 INFO L435 NwaCegarLoop]: 226 mSDtfsCounter, 69 mSDsluCounter, 899 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 1125 SdHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-24 02:05:38,568 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 1125 Invalid, 299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-24 02:05:38,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5895 states. [2024-11-24 02:05:38,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5895 to 5525. [2024-11-24 02:05:38,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5525 states, 5136 states have (on average 1.213006230529595) internal successors, (6230), 5182 states have internal predecessors, (6230), 284 states have call successors, (284), 104 states have call predecessors, (284), 104 states have return successors, (284), 238 states have call predecessors, (284), 284 states have call successors, (284) [2024-11-24 02:05:38,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5525 states to 5525 states and 6798 transitions. [2024-11-24 02:05:38,921 INFO L78 Accepts]: Start accepts. Automaton has 5525 states and 6798 transitions. Word has length 154 [2024-11-24 02:05:38,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:05:38,921 INFO L471 AbstractCegarLoop]: Abstraction has 5525 states and 6798 transitions. [2024-11-24 02:05:38,922 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.0) 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) [2024-11-24 02:05:38,922 INFO L276 IsEmpty]: Start isEmpty. Operand 5525 states and 6798 transitions. [2024-11-24 02:05:38,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-24 02:05:38,928 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:05:38,928 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] [2024-11-24 02:05:38,939 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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)] Forceful destruction successful, exit code 0 [2024-11-24 02:05:39,128 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:05:39,129 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:05:39,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:05:39,129 INFO L85 PathProgramCache]: Analyzing trace with hash 550880245, now seen corresponding path program 1 times [2024-11-24 02:05:39,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:05:39,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [813624878] [2024-11-24 02:05:39,130 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:05:39,130 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 [2024-11-24 02:05:39,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 02:05:39,133 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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) [2024-11-24 02:05:39,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:05:39,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:05:39,647 INFO L256 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 02:05:39,650 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:05:39,736 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 11 [2024-11-24 02:05:39,917 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 19 treesize of output 11 [2024-11-24 02:05:40,036 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 15 treesize of output 7 [2024-11-24 02:05:40,488 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 02:05:40,488 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:05:40,488 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 02:05:40,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [813624878] [2024-11-24 02:05:40,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [813624878] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:05:40,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:05:40,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-24 02:05:40,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858379038] [2024-11-24 02:05:40,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:05:40,489 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-24 02:05:40,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 02:05:40,490 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-24 02:05:40,490 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-11-24 02:05:40,490 INFO L87 Difference]: Start difference. First operand 5525 states and 6798 transitions. Second operand has 11 states, 11 states have (on average 6.545454545454546) 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) [2024-11-24 02:05:43,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:05:43,082 INFO L93 Difference]: Finished difference Result 12331 states and 15206 transitions. [2024-11-24 02:05:43,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-24 02:05:43,083 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.545454545454546) 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 [2024-11-24 02:05:43,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:05:43,094 INFO L225 Difference]: With dead ends: 12331 [2024-11-24 02:05:43,094 INFO L226 Difference]: Without dead ends: 6809 [2024-11-24 02:05:43,098 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2024-11-24 02:05:43,099 INFO L435 NwaCegarLoop]: 271 mSDtfsCounter, 117 mSDsluCounter, 2142 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 2413 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-24 02:05:43,099 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 2413 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-24 02:05:43,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6809 states. [2024-11-24 02:05:43,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6809 to 5891. [2024-11-24 02:05:43,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5891 states, 5502 states have (on average 1.217375499818248) internal successors, (6698), 5548 states have internal predecessors, (6698), 284 states have call successors, (284), 104 states have call predecessors, (284), 104 states have return successors, (284), 238 states have call predecessors, (284), 284 states have call successors, (284) [2024-11-24 02:05:43,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5891 states to 5891 states and 7266 transitions. [2024-11-24 02:05:43,510 INFO L78 Accepts]: Start accepts. Automaton has 5891 states and 7266 transitions. Word has length 154 [2024-11-24 02:05:43,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:05:43,511 INFO L471 AbstractCegarLoop]: Abstraction has 5891 states and 7266 transitions. [2024-11-24 02:05:43,511 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.545454545454546) 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) [2024-11-24 02:05:43,511 INFO L276 IsEmpty]: Start isEmpty. Operand 5891 states and 7266 transitions. [2024-11-24 02:05:43,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-24 02:05:43,517 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:05:43,517 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] [2024-11-24 02:05:43,525 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:05:43,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 48 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:05:43,718 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:05:43,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:05:43,718 INFO L85 PathProgramCache]: Analyzing trace with hash 157853235, now seen corresponding path program 1 times [2024-11-24 02:05:43,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:05:43,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1765181627] [2024-11-24 02:05:43,719 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:05:43,719 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 [2024-11-24 02:05:43,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 02:05:43,721 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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) [2024-11-24 02:05:43,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:05:44,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:05:44,256 INFO L256 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-24 02:05:44,257 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:05:44,588 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 19 treesize of output 11 [2024-11-24 02:05:44,599 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 15 treesize of output 7 [2024-11-24 02:05:44,655 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 02:05:44,655 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:05:44,655 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 02:05:44,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1765181627] [2024-11-24 02:05:44,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1765181627] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:05:44,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:05:44,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 02:05:44,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753411275] [2024-11-24 02:05:44,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:05:44,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 02:05:44,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 02:05:44,656 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 02:05:44,656 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:05:44,657 INFO L87 Difference]: Start difference. First operand 5891 states and 7266 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) [2024-11-24 02:05:45,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:05:45,826 INFO L93 Difference]: Finished difference Result 13569 states and 16750 transitions. [2024-11-24 02:05:45,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 02:05:45,826 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 [2024-11-24 02:05:45,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:05:45,836 INFO L225 Difference]: With dead ends: 13569 [2024-11-24 02:05:45,836 INFO L226 Difference]: Without dead ends: 7681 [2024-11-24 02:05:45,840 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-24 02:05:45,840 INFO L435 NwaCegarLoop]: 221 mSDtfsCounter, 104 mSDsluCounter, 540 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 761 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-24 02:05:45,840 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 761 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-24 02:05:45,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7681 states. [2024-11-24 02:05:46,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7681 to 5891. [2024-11-24 02:05:46,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5891 states, 5502 states have (on average 1.2108324245728825) internal successors, (6662), 5548 states have internal predecessors, (6662), 284 states have call successors, (284), 104 states have call predecessors, (284), 104 states have return successors, (284), 238 states have call predecessors, (284), 284 states have call successors, (284) [2024-11-24 02:05:46,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5891 states to 5891 states and 7230 transitions. [2024-11-24 02:05:46,134 INFO L78 Accepts]: Start accepts. Automaton has 5891 states and 7230 transitions. Word has length 154 [2024-11-24 02:05:46,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:05:46,134 INFO L471 AbstractCegarLoop]: Abstraction has 5891 states and 7230 transitions. [2024-11-24 02:05:46,135 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) [2024-11-24 02:05:46,135 INFO L276 IsEmpty]: Start isEmpty. Operand 5891 states and 7230 transitions. [2024-11-24 02:05:46,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-24 02:05:46,139 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:05:46,139 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] [2024-11-24 02:05:46,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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)] Ended with exit code 0 [2024-11-24 02:05:46,339 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:05:46,339 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:05:46,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:05:46,340 INFO L85 PathProgramCache]: Analyzing trace with hash 399415820, now seen corresponding path program 1 times [2024-11-24 02:05:46,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:05:46,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1859761305] [2024-11-24 02:05:46,340 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:05:46,340 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 [2024-11-24 02:05:46,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 02:05:46,342 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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) [2024-11-24 02:05:46,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:05:46,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:05:46,886 INFO L256 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 02:05:46,889 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:05:47,522 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 20 treesize of output 12 [2024-11-24 02:05:47,646 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 24 treesize of output 12 [2024-11-24 02:05:47,750 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 02:05:47,750 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:05:47,750 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 02:05:47,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1859761305] [2024-11-24 02:05:47,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1859761305] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:05:47,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:05:47,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-24 02:05:47,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393169573] [2024-11-24 02:05:47,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:05:47,751 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-24 02:05:47,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 02:05:47,752 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-24 02:05:47,752 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-24 02:05:47,752 INFO L87 Difference]: Start difference. First operand 5891 states and 7230 transitions. Second operand has 8 states, 8 states have (on average 9.0) 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) [2024-11-24 02:05:49,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:05:49,997 INFO L93 Difference]: Finished difference Result 12805 states and 15642 transitions. [2024-11-24 02:05:49,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-24 02:05:49,999 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.0) 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 [2024-11-24 02:05:49,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:05:50,007 INFO L225 Difference]: With dead ends: 12805 [2024-11-24 02:05:50,007 INFO L226 Difference]: Without dead ends: 6917 [2024-11-24 02:05:50,011 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-24 02:05:50,011 INFO L435 NwaCegarLoop]: 207 mSDtfsCounter, 65 mSDsluCounter, 1041 mSDsCounter, 0 mSdLazyCounter, 295 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 1248 SdHoareTripleChecker+Invalid, 296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-24 02:05:50,012 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 1248 Invalid, 296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 295 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-24 02:05:50,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6917 states. [2024-11-24 02:05:50,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6917 to 5915. [2024-11-24 02:05:50,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5915 states, 5526 states have (on average 1.2099167571480276) internal successors, (6686), 5572 states have internal predecessors, (6686), 284 states have call successors, (284), 104 states have call predecessors, (284), 104 states have return successors, (284), 238 states have call predecessors, (284), 284 states have call successors, (284) [2024-11-24 02:05:50,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5915 states to 5915 states and 7254 transitions. [2024-11-24 02:05:50,295 INFO L78 Accepts]: Start accepts. Automaton has 5915 states and 7254 transitions. Word has length 154 [2024-11-24 02:05:50,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:05:50,296 INFO L471 AbstractCegarLoop]: Abstraction has 5915 states and 7254 transitions. [2024-11-24 02:05:50,296 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.0) 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) [2024-11-24 02:05:50,296 INFO L276 IsEmpty]: Start isEmpty. Operand 5915 states and 7254 transitions. [2024-11-24 02:05:50,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-24 02:05:50,299 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:05:50,299 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] [2024-11-24 02:05:50,305 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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)] Ended with exit code 0 [2024-11-24 02:05:50,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:05:50,500 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:05:50,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:05:50,500 INFO L85 PathProgramCache]: Analyzing trace with hash 657581258, now seen corresponding path program 1 times [2024-11-24 02:05:50,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:05:50,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [895532987] [2024-11-24 02:05:50,500 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:05:50,501 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 [2024-11-24 02:05:50,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 02:05:50,502 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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) [2024-11-24 02:05:50,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:05:51,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:05:51,034 INFO L256 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-24 02:05:51,036 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:05:51,383 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 19 treesize of output 11 [2024-11-24 02:05:51,393 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 15 treesize of output 7 [2024-11-24 02:05:51,455 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 02:05:51,455 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:05:51,455 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 02:05:51,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [895532987] [2024-11-24 02:05:51,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [895532987] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:05:51,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:05:51,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 02:05:51,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237699749] [2024-11-24 02:05:51,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:05:51,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 02:05:51,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 02:05:51,457 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 02:05:51,457 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:05:51,457 INFO L87 Difference]: Start difference. First operand 5915 states and 7254 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) [2024-11-24 02:05:52,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:05:52,697 INFO L93 Difference]: Finished difference Result 13569 states and 16654 transitions. [2024-11-24 02:05:52,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 02:05:52,698 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 [2024-11-24 02:05:52,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:05:52,710 INFO L225 Difference]: With dead ends: 13569 [2024-11-24 02:05:52,710 INFO L226 Difference]: Without dead ends: 7657 [2024-11-24 02:05:52,715 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-24 02:05:52,716 INFO L435 NwaCegarLoop]: 221 mSDtfsCounter, 105 mSDsluCounter, 540 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 761 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-24 02:05:52,716 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 761 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-24 02:05:52,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7657 states. [2024-11-24 02:05:52,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7657 to 5867. [2024-11-24 02:05:52,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5867 states, 5478 states have (on average 1.194961664841183) internal successors, (6546), 5524 states have internal predecessors, (6546), 284 states have call successors, (284), 104 states have call predecessors, (284), 104 states have return successors, (284), 238 states have call predecessors, (284), 284 states have call successors, (284) [2024-11-24 02:05:52,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5867 states to 5867 states and 7114 transitions. [2024-11-24 02:05:52,985 INFO L78 Accepts]: Start accepts. Automaton has 5867 states and 7114 transitions. Word has length 154 [2024-11-24 02:05:52,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:05:52,985 INFO L471 AbstractCegarLoop]: Abstraction has 5867 states and 7114 transitions. [2024-11-24 02:05:52,985 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) [2024-11-24 02:05:52,986 INFO L276 IsEmpty]: Start isEmpty. Operand 5867 states and 7114 transitions. [2024-11-24 02:05:52,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-24 02:05:52,989 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:05:52,989 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] [2024-11-24 02:05:53,000 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:05:53,189 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 51 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:05:53,190 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:05:53,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:05:53,190 INFO L85 PathProgramCache]: Analyzing trace with hash 41407155, now seen corresponding path program 1 times [2024-11-24 02:05:53,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:05:53,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [401946286] [2024-11-24 02:05:53,191 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:05:53,191 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 [2024-11-24 02:05:53,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 02:05:53,193 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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) [2024-11-24 02:05:53,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:05:53,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:05:53,741 INFO L256 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-24 02:05:53,743 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:05:53,860 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 19 treesize of output 11 [2024-11-24 02:05:53,870 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 15 treesize of output 7 [2024-11-24 02:05:53,928 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 02:05:53,928 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:05:53,928 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 02:05:53,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [401946286] [2024-11-24 02:05:53,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [401946286] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:05:53,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:05:53,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 02:05:53,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832402941] [2024-11-24 02:05:53,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:05:53,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 02:05:53,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 02:05:53,930 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 02:05:53,930 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:05:53,930 INFO L87 Difference]: Start difference. First operand 5867 states and 7114 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) [2024-11-24 02:05:54,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:05:54,929 INFO L93 Difference]: Finished difference Result 11933 states and 14510 transitions. [2024-11-24 02:05:54,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 02:05:54,930 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 [2024-11-24 02:05:54,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:05:54,940 INFO L225 Difference]: With dead ends: 11933 [2024-11-24 02:05:54,940 INFO L226 Difference]: Without dead ends: 6069 [2024-11-24 02:05:54,946 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-24 02:05:54,947 INFO L435 NwaCegarLoop]: 224 mSDtfsCounter, 120 mSDsluCounter, 547 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 771 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-24 02:05:54,947 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 771 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-24 02:05:54,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6069 states. [2024-11-24 02:05:55,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6069 to 5135. [2024-11-24 02:05:55,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5135 states, 4746 states have (on average 1.1921618204804045) internal successors, (5658), 4792 states have internal predecessors, (5658), 284 states have call successors, (284), 104 states have call predecessors, (284), 104 states have return successors, (284), 238 states have call predecessors, (284), 284 states have call successors, (284) [2024-11-24 02:05:55,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5135 states to 5135 states and 6226 transitions. [2024-11-24 02:05:55,371 INFO L78 Accepts]: Start accepts. Automaton has 5135 states and 6226 transitions. Word has length 154 [2024-11-24 02:05:55,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:05:55,371 INFO L471 AbstractCegarLoop]: Abstraction has 5135 states and 6226 transitions. [2024-11-24 02:05:55,371 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) [2024-11-24 02:05:55,371 INFO L276 IsEmpty]: Start isEmpty. Operand 5135 states and 6226 transitions. [2024-11-24 02:05:55,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-24 02:05:55,376 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:05:55,377 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] [2024-11-24 02:05:55,383 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:05:55,577 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:05:55,577 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:05:55,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:05:55,578 INFO L85 PathProgramCache]: Analyzing trace with hash 489026818, now seen corresponding path program 1 times [2024-11-24 02:05:55,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:05:55,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [492194185] [2024-11-24 02:05:55,578 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:05:55,578 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 [2024-11-24 02:05:55,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 02:05:55,580 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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) [2024-11-24 02:05:55,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:05:56,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:05:56,147 INFO L256 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-24 02:05:56,150 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:05:56,939 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 32 treesize of output 20 [2024-11-24 02:05:56,956 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 24 treesize of output 12 [2024-11-24 02:05:57,091 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 02:05:57,091 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:05:57,091 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 02:05:57,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [492194185] [2024-11-24 02:05:57,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [492194185] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:05:57,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:05:57,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 02:05:57,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820659079] [2024-11-24 02:05:57,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:05:57,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 02:05:57,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 02:05:57,093 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 02:05:57,093 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 02:05:57,093 INFO L87 Difference]: Start difference. First operand 5135 states and 6226 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) [2024-11-24 02:05:58,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:05:58,652 INFO L93 Difference]: Finished difference Result 11209 states and 13498 transitions. [2024-11-24 02:05:58,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 02:05:58,653 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 [2024-11-24 02:05:58,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:05:58,660 INFO L225 Difference]: With dead ends: 11209 [2024-11-24 02:05:58,660 INFO L226 Difference]: Without dead ends: 6077 [2024-11-24 02:05:58,663 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-24 02:05:58,663 INFO L435 NwaCegarLoop]: 219 mSDtfsCounter, 68 mSDsluCounter, 742 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 961 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-24 02:05:58,663 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 961 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-24 02:05:58,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6077 states. [2024-11-24 02:05:58,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6077 to 5135. [2024-11-24 02:05:58,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5135 states, 4746 states have (on average 1.1820480404551201) internal successors, (5610), 4792 states have internal predecessors, (5610), 284 states have call successors, (284), 104 states have call predecessors, (284), 104 states have return successors, (284), 238 states have call predecessors, (284), 284 states have call successors, (284) [2024-11-24 02:05:58,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5135 states to 5135 states and 6178 transitions. [2024-11-24 02:05:58,886 INFO L78 Accepts]: Start accepts. Automaton has 5135 states and 6178 transitions. Word has length 154 [2024-11-24 02:05:58,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:05:58,886 INFO L471 AbstractCegarLoop]: Abstraction has 5135 states and 6178 transitions. [2024-11-24 02:05:58,886 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) [2024-11-24 02:05:58,886 INFO L276 IsEmpty]: Start isEmpty. Operand 5135 states and 6178 transitions. [2024-11-24 02:05:58,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-24 02:05:58,890 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:05:58,890 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] [2024-11-24 02:05:58,900 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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)] Forceful destruction successful, exit code 0 [2024-11-24 02:05:59,091 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 53 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:05:59,091 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:05:59,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:05:59,091 INFO L85 PathProgramCache]: Analyzing trace with hash -522090432, now seen corresponding path program 1 times [2024-11-24 02:05:59,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:05:59,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [510280267] [2024-11-24 02:05:59,092 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:05:59,092 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 [2024-11-24 02:05:59,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 02:05:59,093 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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) [2024-11-24 02:05:59,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:05:59,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:05:59,635 INFO L256 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-24 02:05:59,637 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:05:59,971 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 19 treesize of output 11 [2024-11-24 02:06:00,055 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 15 treesize of output 7 [2024-11-24 02:06:00,127 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 02:06:00,128 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:06:00,128 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 02:06:00,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [510280267] [2024-11-24 02:06:00,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [510280267] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:06:00,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:06:00,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-24 02:06:00,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668928782] [2024-11-24 02:06:00,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:06:00,128 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 02:06:00,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 02:06:00,129 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 02:06:00,129 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-24 02:06:00,129 INFO L87 Difference]: Start difference. First operand 5135 states and 6178 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) 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) [2024-11-24 02:06:01,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:06:01,565 INFO L93 Difference]: Finished difference Result 10901 states and 13090 transitions. [2024-11-24 02:06:01,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 02:06:01,567 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.285714285714286) 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 [2024-11-24 02:06:01,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:06:01,578 INFO L225 Difference]: With dead ends: 10901 [2024-11-24 02:06:01,578 INFO L226 Difference]: Without dead ends: 5769 [2024-11-24 02:06:01,584 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-24 02:06:01,584 INFO L435 NwaCegarLoop]: 236 mSDtfsCounter, 63 mSDsluCounter, 777 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 1013 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-24 02:06:01,584 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 1013 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-24 02:06:01,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5769 states. [2024-11-24 02:06:01,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5769 to 4988. [2024-11-24 02:06:01,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4988 states, 4599 states have (on average 1.183300717547293) internal successors, (5442), 4645 states have internal predecessors, (5442), 284 states have call successors, (284), 104 states have call predecessors, (284), 104 states have return successors, (284), 238 states have call predecessors, (284), 284 states have call successors, (284) [2024-11-24 02:06:01,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4988 states to 4988 states and 6010 transitions. [2024-11-24 02:06:01,881 INFO L78 Accepts]: Start accepts. Automaton has 4988 states and 6010 transitions. Word has length 154 [2024-11-24 02:06:01,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:06:01,881 INFO L471 AbstractCegarLoop]: Abstraction has 4988 states and 6010 transitions. [2024-11-24 02:06:01,881 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) 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) [2024-11-24 02:06:01,881 INFO L276 IsEmpty]: Start isEmpty. Operand 4988 states and 6010 transitions. [2024-11-24 02:06:01,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-24 02:06:01,884 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:06:01,884 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] [2024-11-24 02:06:01,890 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:06:02,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 54 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:06:02,086 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:06:02,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:06:02,086 INFO L85 PathProgramCache]: Analyzing trace with hash -280527847, now seen corresponding path program 1 times [2024-11-24 02:06:02,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:06:02,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [98433582] [2024-11-24 02:06:02,087 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:06:02,087 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 [2024-11-24 02:06:02,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 02:06:02,089 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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) [2024-11-24 02:06:02,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:06:02,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:06:02,595 INFO L256 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-24 02:06:02,596 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:06:03,430 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 32 treesize of output 20 [2024-11-24 02:06:03,440 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 24 treesize of output 12 [2024-11-24 02:06:03,565 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 02:06:03,566 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:06:03,566 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 02:06:03,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [98433582] [2024-11-24 02:06:03,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [98433582] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:06:03,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:06:03,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 02:06:03,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260677759] [2024-11-24 02:06:03,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:06:03,566 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 02:06:03,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 02:06:03,567 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 02:06:03,567 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 02:06:03,567 INFO L87 Difference]: Start difference. First operand 4988 states and 6010 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) [2024-11-24 02:06:05,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:06:05,233 INFO L93 Difference]: Finished difference Result 10915 states and 13066 transitions. [2024-11-24 02:06:05,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 02:06:05,234 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 [2024-11-24 02:06:05,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:06:05,243 INFO L225 Difference]: With dead ends: 10915 [2024-11-24 02:06:05,243 INFO L226 Difference]: Without dead ends: 5930 [2024-11-24 02:06:05,246 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-24 02:06:05,247 INFO L435 NwaCegarLoop]: 219 mSDtfsCounter, 63 mSDsluCounter, 742 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 961 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-24 02:06:05,247 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 961 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-24 02:06:05,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5930 states. [2024-11-24 02:06:05,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5930 to 4988. [2024-11-24 02:06:05,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4988 states, 4599 states have (on average 1.178082191780822) internal successors, (5418), 4645 states have internal predecessors, (5418), 284 states have call successors, (284), 104 states have call predecessors, (284), 104 states have return successors, (284), 238 states have call predecessors, (284), 284 states have call successors, (284) [2024-11-24 02:06:05,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4988 states to 4988 states and 5986 transitions. [2024-11-24 02:06:05,502 INFO L78 Accepts]: Start accepts. Automaton has 4988 states and 5986 transitions. Word has length 154 [2024-11-24 02:06:05,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:06:05,502 INFO L471 AbstractCegarLoop]: Abstraction has 4988 states and 5986 transitions. [2024-11-24 02:06:05,502 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) [2024-11-24 02:06:05,502 INFO L276 IsEmpty]: Start isEmpty. Operand 4988 states and 5986 transitions. [2024-11-24 02:06:05,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-24 02:06:05,505 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:06:05,505 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] [2024-11-24 02:06:05,511 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:06:05,705 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 55 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:06:05,706 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:06:05,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:06:05,706 INFO L85 PathProgramCache]: Analyzing trace with hash -673554857, now seen corresponding path program 1 times [2024-11-24 02:06:05,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:06:05,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [47964441] [2024-11-24 02:06:05,706 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:06:05,706 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 [2024-11-24 02:06:05,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 02:06:05,709 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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) [2024-11-24 02:06:05,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:06:06,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:06:06,189 INFO L256 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 02:06:06,192 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:06:06,277 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 11 [2024-11-24 02:06:06,453 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 19 treesize of output 11 [2024-11-24 02:06:06,570 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 15 treesize of output 7 [2024-11-24 02:06:07,012 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 02:06:07,012 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:06:07,012 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 02:06:07,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [47964441] [2024-11-24 02:06:07,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [47964441] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:06:07,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:06:07,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-24 02:06:07,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296323360] [2024-11-24 02:06:07,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:06:07,013 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-24 02:06:07,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 02:06:07,013 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-24 02:06:07,013 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-11-24 02:06:07,013 INFO L87 Difference]: Start difference. First operand 4988 states and 5986 transitions. Second operand has 11 states, 11 states have (on average 6.545454545454546) 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) [2024-11-24 02:06:09,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:06:09,585 INFO L93 Difference]: Finished difference Result 10683 states and 12782 transitions. [2024-11-24 02:06:09,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-24 02:06:09,586 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.545454545454546) 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 [2024-11-24 02:06:09,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:06:09,595 INFO L225 Difference]: With dead ends: 10683 [2024-11-24 02:06:09,595 INFO L226 Difference]: Without dead ends: 5698 [2024-11-24 02:06:09,599 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2024-11-24 02:06:09,599 INFO L435 NwaCegarLoop]: 212 mSDtfsCounter, 77 mSDsluCounter, 1701 mSDsCounter, 0 mSdLazyCounter, 309 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 1913 SdHoareTripleChecker+Invalid, 310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-24 02:06:09,599 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 1913 Invalid, 310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 309 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-24 02:06:09,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5698 states. [2024-11-24 02:06:09,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5698 to 4855. [2024-11-24 02:06:09,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4855 states, 4466 states have (on average 1.1800268696820422) internal successors, (5270), 4512 states have internal predecessors, (5270), 284 states have call successors, (284), 104 states have call predecessors, (284), 104 states have return successors, (284), 238 states have call predecessors, (284), 284 states have call successors, (284) [2024-11-24 02:06:09,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4855 states to 4855 states and 5838 transitions. [2024-11-24 02:06:09,854 INFO L78 Accepts]: Start accepts. Automaton has 4855 states and 5838 transitions. Word has length 154 [2024-11-24 02:06:09,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:06:09,855 INFO L471 AbstractCegarLoop]: Abstraction has 4855 states and 5838 transitions. [2024-11-24 02:06:09,855 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.545454545454546) 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) [2024-11-24 02:06:09,855 INFO L276 IsEmpty]: Start isEmpty. Operand 4855 states and 5838 transitions. [2024-11-24 02:06:09,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-24 02:06:09,859 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:06:09,859 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] [2024-11-24 02:06:09,868 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:06:10,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 56 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:06:10,060 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:06:10,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:06:10,060 INFO L85 PathProgramCache]: Analyzing trace with hash -958644224, now seen corresponding path program 1 times [2024-11-24 02:06:10,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:06:10,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [934265099] [2024-11-24 02:06:10,061 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:06:10,061 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 [2024-11-24 02:06:10,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 02:06:10,062 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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) [2024-11-24 02:06:10,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:06:10,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:06:10,639 INFO L256 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-24 02:06:10,642 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:06:10,996 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 20 treesize of output 12 [2024-11-24 02:06:11,081 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 16 treesize of output 8 [2024-11-24 02:06:11,160 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 02:06:11,160 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:06:11,160 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 02:06:11,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [934265099] [2024-11-24 02:06:11,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [934265099] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:06:11,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:06:11,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-24 02:06:11,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077420144] [2024-11-24 02:06:11,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:06:11,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 02:06:11,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 02:06:11,161 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 02:06:11,161 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-24 02:06:11,161 INFO L87 Difference]: Start difference. First operand 4855 states and 5838 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) 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) [2024-11-24 02:06:13,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:06:13,181 INFO L93 Difference]: Finished difference Result 10270 states and 12292 transitions. [2024-11-24 02:06:13,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 02:06:13,182 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.285714285714286) 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 [2024-11-24 02:06:13,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:06:13,192 INFO L225 Difference]: With dead ends: 10270 [2024-11-24 02:06:13,192 INFO L226 Difference]: Without dead ends: 5418 [2024-11-24 02:06:13,196 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-24 02:06:13,196 INFO L435 NwaCegarLoop]: 218 mSDtfsCounter, 63 mSDsluCounter, 717 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 935 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-24 02:06:13,196 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 935 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-24 02:06:13,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5418 states. [2024-11-24 02:06:13,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5418 to 4603. [2024-11-24 02:06:13,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4603 states, 4214 states have (on average 1.1803512102515425) internal successors, (4974), 4260 states have internal predecessors, (4974), 284 states have call successors, (284), 104 states have call predecessors, (284), 104 states have return successors, (284), 238 states have call predecessors, (284), 284 states have call successors, (284) [2024-11-24 02:06:13,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4603 states to 4603 states and 5542 transitions. [2024-11-24 02:06:13,527 INFO L78 Accepts]: Start accepts. Automaton has 4603 states and 5542 transitions. Word has length 154 [2024-11-24 02:06:13,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:06:13,527 INFO L471 AbstractCegarLoop]: Abstraction has 4603 states and 5542 transitions. [2024-11-24 02:06:13,527 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) 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) [2024-11-24 02:06:13,527 INFO L276 IsEmpty]: Start isEmpty. Operand 4603 states and 5542 transitions. [2024-11-24 02:06:13,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-24 02:06:13,530 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:06:13,530 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] [2024-11-24 02:06:13,537 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:06:13,730 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 57 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:06:13,731 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:06:13,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:06:13,731 INFO L85 PathProgramCache]: Analyzing trace with hash -409861114, now seen corresponding path program 1 times [2024-11-24 02:06:13,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:06:13,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1529711179] [2024-11-24 02:06:13,731 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:06:13,731 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 [2024-11-24 02:06:13,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 02:06:13,733 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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) [2024-11-24 02:06:13,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:06:14,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:06:14,273 INFO L256 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-24 02:06:14,276 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:06:14,651 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 11 [2024-11-24 02:06:14,791 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 19 treesize of output 11 [2024-11-24 02:06:14,918 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 02:06:14,918 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:06:14,918 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 02:06:14,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1529711179] [2024-11-24 02:06:14,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1529711179] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:06:14,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:06:14,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-24 02:06:14,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559418821] [2024-11-24 02:06:14,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:06:14,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-24 02:06:14,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 02:06:14,920 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-24 02:06:14,920 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-24 02:06:14,920 INFO L87 Difference]: Start difference. First operand 4603 states and 5542 transitions. Second operand has 9 states, 9 states have (on average 8.0) 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) [2024-11-24 02:06:17,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:06:17,313 INFO L93 Difference]: Finished difference Result 9393 states and 11294 transitions. [2024-11-24 02:06:17,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-24 02:06:17,314 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.0) 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 [2024-11-24 02:06:17,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:06:17,323 INFO L225 Difference]: With dead ends: 9393 [2024-11-24 02:06:17,323 INFO L226 Difference]: Without dead ends: 4793 [2024-11-24 02:06:17,327 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-24 02:06:17,328 INFO L435 NwaCegarLoop]: 235 mSDtfsCounter, 138 mSDsluCounter, 813 mSDsCounter, 0 mSdLazyCounter, 313 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 1048 SdHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-24 02:06:17,328 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 1048 Invalid, 319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 313 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-24 02:06:17,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4793 states. [2024-11-24 02:06:17,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4793 to 4543. [2024-11-24 02:06:17,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4543 states, 4154 states have (on average 1.178863745787193) internal successors, (4897), 4200 states have internal predecessors, (4897), 284 states have call successors, (284), 104 states have call predecessors, (284), 104 states have return successors, (284), 238 states have call predecessors, (284), 284 states have call successors, (284) [2024-11-24 02:06:17,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4543 states to 4543 states and 5465 transitions. [2024-11-24 02:06:17,671 INFO L78 Accepts]: Start accepts. Automaton has 4543 states and 5465 transitions. Word has length 154 [2024-11-24 02:06:17,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:06:17,671 INFO L471 AbstractCegarLoop]: Abstraction has 4543 states and 5465 transitions. [2024-11-24 02:06:17,672 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.0) 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) [2024-11-24 02:06:17,672 INFO L276 IsEmpty]: Start isEmpty. Operand 4543 states and 5465 transitions. [2024-11-24 02:06:17,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-24 02:06:17,674 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:06:17,674 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] [2024-11-24 02:06:17,680 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:06:17,874 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 58 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:06:17,875 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:06:17,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:06:17,875 INFO L85 PathProgramCache]: Analyzing trace with hash -729968826, now seen corresponding path program 1 times [2024-11-24 02:06:17,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:06:17,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [659021929] [2024-11-24 02:06:17,875 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:06:17,876 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 [2024-11-24 02:06:17,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 02:06:17,878 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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) [2024-11-24 02:06:17,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:06:18,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:06:18,408 INFO L256 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-24 02:06:18,411 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:06:18,749 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 20 treesize of output 12 [2024-11-24 02:06:18,832 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 16 treesize of output 8 [2024-11-24 02:06:18,905 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 02:06:18,905 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:06:18,905 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 02:06:18,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [659021929] [2024-11-24 02:06:18,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [659021929] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:06:18,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:06:18,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-24 02:06:18,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782721491] [2024-11-24 02:06:18,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:06:18,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 02:06:18,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 02:06:18,906 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 02:06:18,906 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-24 02:06:18,906 INFO L87 Difference]: Start difference. First operand 4543 states and 5465 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) 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) [2024-11-24 02:06:20,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:06:20,525 INFO L93 Difference]: Finished difference Result 9653 states and 11560 transitions. [2024-11-24 02:06:20,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 02:06:20,526 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.285714285714286) 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 [2024-11-24 02:06:20,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:06:20,534 INFO L225 Difference]: With dead ends: 9653 [2024-11-24 02:06:20,534 INFO L226 Difference]: Without dead ends: 5113 [2024-11-24 02:06:20,536 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-24 02:06:20,537 INFO L435 NwaCegarLoop]: 216 mSDtfsCounter, 63 mSDsluCounter, 707 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 923 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-24 02:06:20,537 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 923 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-24 02:06:20,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5113 states. [2024-11-24 02:06:20,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5113 to 4329. [2024-11-24 02:06:20,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4329 states, 3940 states have (on average 1.1796954314720811) internal successors, (4648), 3986 states have internal predecessors, (4648), 284 states have call successors, (284), 104 states have call predecessors, (284), 104 states have return successors, (284), 238 states have call predecessors, (284), 284 states have call successors, (284) [2024-11-24 02:06:20,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4329 states to 4329 states and 5216 transitions. [2024-11-24 02:06:20,799 INFO L78 Accepts]: Start accepts. Automaton has 4329 states and 5216 transitions. Word has length 154 [2024-11-24 02:06:20,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:06:20,799 INFO L471 AbstractCegarLoop]: Abstraction has 4329 states and 5216 transitions. [2024-11-24 02:06:20,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) 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) [2024-11-24 02:06:20,800 INFO L276 IsEmpty]: Start isEmpty. Operand 4329 states and 5216 transitions. [2024-11-24 02:06:20,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-24 02:06:20,802 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:06:20,802 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] [2024-11-24 02:06:20,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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)] Ended with exit code 0 [2024-11-24 02:06:21,003 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 59 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:06:21,003 INFO L396 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:06:21,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:06:21,003 INFO L85 PathProgramCache]: Analyzing trace with hash 299136298, now seen corresponding path program 1 times [2024-11-24 02:06:21,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:06:21,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1397456417] [2024-11-24 02:06:21,004 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:06:21,004 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 [2024-11-24 02:06:21,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 02:06:21,006 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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) [2024-11-24 02:06:21,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:06:21,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:06:21,591 INFO L256 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 02:06:21,594 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:06:27,025 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 [2024-11-24 02:06:27,236 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 264 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-11-24 02:06:27,236 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 02:06:45,197 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-11-24 02:06:45,197 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 76 treesize of output 47 [2024-11-24 02:06:48,128 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 02:06:48,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1397456417] [2024-11-24 02:06:48,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1397456417] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 02:06:48,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1761535160] [2024-11-24 02:06:48,128 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:06:48,128 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 02:06:48,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-24 02:06:48,130 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 02:06:48,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2024-11-24 02:06:48,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:06:49,006 INFO L256 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-24 02:06:49,008 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:06:51,315 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 19 treesize of output 11 [2024-11-24 02:06:52,199 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 15 treesize of output 7 [2024-11-24 02:06:52,912 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 02:06:52,912 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:06:52,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1761535160] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:06:52,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 02:06:52,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 13 [2024-11-24 02:06:52,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156211404] [2024-11-24 02:06:52,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:06:52,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 02:06:52,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 02:06:52,913 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 02:06:52,913 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2024-11-24 02:06:52,914 INFO L87 Difference]: Start difference. First operand 4329 states and 5216 transitions. Second operand has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 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) [2024-11-24 02:06:56,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:06:56,345 INFO L93 Difference]: Finished difference Result 8935 states and 10738 transitions. [2024-11-24 02:06:56,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 02:06:56,346 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 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 [2024-11-24 02:06:56,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:06:56,361 INFO L225 Difference]: With dead ends: 8935 [2024-11-24 02:06:56,361 INFO L226 Difference]: Without dead ends: 4609 [2024-11-24 02:06:56,367 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 420 GetRequests, 401 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 16.8s TimeCoverageRelationStatistics Valid=64, Invalid=356, Unknown=0, NotChecked=0, Total=420 [2024-11-24 02:06:56,367 INFO L435 NwaCegarLoop]: 225 mSDtfsCounter, 52 mSDsluCounter, 933 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 1158 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-24 02:06:56,368 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 1158 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-24 02:06:56,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4609 states. [2024-11-24 02:06:56,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4609 to 4291. [2024-11-24 02:06:56,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4291 states, 3902 states have (on average 1.1778575089697592) internal successors, (4596), 3948 states have internal predecessors, (4596), 284 states have call successors, (284), 104 states have call predecessors, (284), 104 states have return successors, (284), 238 states have call predecessors, (284), 284 states have call successors, (284) [2024-11-24 02:06:56,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4291 states to 4291 states and 5164 transitions. [2024-11-24 02:06:56,764 INFO L78 Accepts]: Start accepts. Automaton has 4291 states and 5164 transitions. Word has length 155 [2024-11-24 02:06:56,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:06:56,764 INFO L471 AbstractCegarLoop]: Abstraction has 4291 states and 5164 transitions. [2024-11-24 02:06:56,764 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 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) [2024-11-24 02:06:56,764 INFO L276 IsEmpty]: Start isEmpty. Operand 4291 states and 5164 transitions. [2024-11-24 02:06:56,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-24 02:06:56,767 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:06:56,767 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] [2024-11-24 02:06:56,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2024-11-24 02:06:56,975 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:06:57,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 61 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt,60 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:06:57,168 INFO L396 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:06:57,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:06:57,168 INFO L85 PathProgramCache]: Analyzing trace with hash 601835884, now seen corresponding path program 1 times [2024-11-24 02:06:57,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:06:57,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [708072045] [2024-11-24 02:06:57,169 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:06:57,169 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 [2024-11-24 02:06:57,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 02:06:57,176 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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) [2024-11-24 02:06:57,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:06:57,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:06:57,709 INFO L256 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 02:06:57,711 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:07:03,724 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 [2024-11-24 02:07:03,962 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 264 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-11-24 02:07:03,962 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 02:07:24,647 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-11-24 02:07:24,648 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 76 treesize of output 47 [2024-11-24 02:07:27,509 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 02:07:27,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [708072045] [2024-11-24 02:07:27,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [708072045] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 02:07:27,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1220481018] [2024-11-24 02:07:27,509 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:07:27,510 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 02:07:27,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-24 02:07:27,511 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 02:07:27,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2024-11-24 02:07:28,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:07:28,393 INFO L256 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-24 02:07:28,395 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:07:30,922 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 19 treesize of output 11 [2024-11-24 02:07:32,188 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 15 treesize of output 7 [2024-11-24 02:07:32,871 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 02:07:32,871 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:07:32,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1220481018] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:07:32,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 02:07:32,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 13 [2024-11-24 02:07:32,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317863952] [2024-11-24 02:07:32,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:07:32,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 02:07:32,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 02:07:32,873 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 02:07:32,873 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2024-11-24 02:07:32,873 INFO L87 Difference]: Start difference. First operand 4291 states and 5164 transitions. Second operand has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 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) [2024-11-24 02:07:36,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:07:36,090 INFO L93 Difference]: Finished difference Result 8769 states and 10534 transitions. [2024-11-24 02:07:36,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 02:07:36,091 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 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 [2024-11-24 02:07:36,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:07:36,102 INFO L225 Difference]: With dead ends: 8769 [2024-11-24 02:07:36,102 INFO L226 Difference]: Without dead ends: 4481 [2024-11-24 02:07:36,106 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 420 GetRequests, 401 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 19.3s TimeCoverageRelationStatistics Valid=64, Invalid=356, Unknown=0, NotChecked=0, Total=420 [2024-11-24 02:07:36,107 INFO L435 NwaCegarLoop]: 235 mSDtfsCounter, 58 mSDsluCounter, 764 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 999 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-24 02:07:36,107 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 999 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-24 02:07:36,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4481 states. [2024-11-24 02:07:36,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4481 to 4257. [2024-11-24 02:07:36,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4257 states, 3868 states have (on average 1.1768355739400207) internal successors, (4552), 3914 states have internal predecessors, (4552), 284 states have call successors, (284), 104 states have call predecessors, (284), 104 states have return successors, (284), 238 states have call predecessors, (284), 284 states have call successors, (284) [2024-11-24 02:07:36,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4257 states to 4257 states and 5120 transitions. [2024-11-24 02:07:36,515 INFO L78 Accepts]: Start accepts. Automaton has 4257 states and 5120 transitions. Word has length 155 [2024-11-24 02:07:36,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:07:36,516 INFO L471 AbstractCegarLoop]: Abstraction has 4257 states and 5120 transitions. [2024-11-24 02:07:36,516 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 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) [2024-11-24 02:07:36,516 INFO L276 IsEmpty]: Start isEmpty. Operand 4257 states and 5120 transitions. [2024-11-24 02:07:36,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-24 02:07:36,519 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:07:36,519 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, 1] [2024-11-24 02:07:36,526 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:07:36,725 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2024-11-24 02:07:36,919 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 62 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt [2024-11-24 02:07:36,920 INFO L396 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:07:36,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:07:36,920 INFO L85 PathProgramCache]: Analyzing trace with hash 39412958, now seen corresponding path program 1 times [2024-11-24 02:07:36,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:07:36,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1843922223] [2024-11-24 02:07:36,920 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:07:36,920 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 [2024-11-24 02:07:36,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 02:07:36,925 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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) [2024-11-24 02:07:36,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:07:37,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:07:37,487 INFO L256 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-24 02:07:37,491 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:07:42,309 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 28 treesize of output 24 [2024-11-24 02:07:42,676 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 87 treesize of output 75 [2024-11-24 02:07:42,693 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 75 treesize of output 63 [2024-11-24 02:07:42,703 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 63 treesize of output 51 [2024-11-24 02:07:43,215 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 224 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2024-11-24 02:07:43,215 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 02:07:44,680 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 02:07:44,680 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 02:07:44,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1843922223] [2024-11-24 02:07:44,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1843922223] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 02:07:44,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 02:07:44,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [11] total 17 [2024-11-24 02:07:44,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108866960] [2024-11-24 02:07:44,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:07:44,681 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-24 02:07:44,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 02:07:44,681 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-24 02:07:44,682 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=234, Unknown=0, NotChecked=0, Total=272 [2024-11-24 02:07:44,682 INFO L87 Difference]: Start difference. First operand 4257 states and 5120 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 9 states have internal predecessors, (80), 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) [2024-11-24 02:07:46,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:07:46,651 INFO L93 Difference]: Finished difference Result 5567 states and 6644 transitions. [2024-11-24 02:07:46,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-24 02:07:46,652 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 9 states have internal predecessors, (80), 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 162 [2024-11-24 02:07:46,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:07:46,660 INFO L225 Difference]: With dead ends: 5567 [2024-11-24 02:07:46,660 INFO L226 Difference]: Without dead ends: 5565 [2024-11-24 02:07:46,662 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 307 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=62, Invalid=444, Unknown=0, NotChecked=0, Total=506 [2024-11-24 02:07:46,662 INFO L435 NwaCegarLoop]: 274 mSDtfsCounter, 100 mSDsluCounter, 1772 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 2046 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-24 02:07:46,662 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 2046 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-24 02:07:46,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5565 states. [2024-11-24 02:07:47,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5565 to 5521. [2024-11-24 02:07:47,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5521 states, 4996 states have (on average 1.165732586068855) internal successors, (5824), 5058 states have internal predecessors, (5824), 384 states have call successors, (384), 140 states have call predecessors, (384), 140 states have return successors, (384), 322 states have call predecessors, (384), 384 states have call successors, (384) [2024-11-24 02:07:47,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5521 states to 5521 states and 6592 transitions. [2024-11-24 02:07:47,015 INFO L78 Accepts]: Start accepts. Automaton has 5521 states and 6592 transitions. Word has length 162 [2024-11-24 02:07:47,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:07:47,015 INFO L471 AbstractCegarLoop]: Abstraction has 5521 states and 6592 transitions. [2024-11-24 02:07:47,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 9 states have internal predecessors, (80), 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) [2024-11-24 02:07:47,016 INFO L276 IsEmpty]: Start isEmpty. Operand 5521 states and 6592 transitions. [2024-11-24 02:07:47,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-24 02:07:47,020 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:07:47,020 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, 1] [2024-11-24 02:07:47,029 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:07:47,220 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 64 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:07:47,221 INFO L396 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:07:47,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:07:47,221 INFO L85 PathProgramCache]: Analyzing trace with hash -769933668, now seen corresponding path program 1 times [2024-11-24 02:07:47,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:07:47,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [573910410] [2024-11-24 02:07:47,221 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:07:47,221 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 [2024-11-24 02:07:47,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 02:07:47,225 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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) [2024-11-24 02:07:47,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:07:47,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:07:47,808 INFO L256 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-24 02:07:47,811 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:07:53,034 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 61 treesize of output 37 [2024-11-24 02:07:53,047 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 97 treesize of output 49 [2024-11-24 02:07:53,291 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 02:07:53,291 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:07:53,292 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 02:07:53,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [573910410] [2024-11-24 02:07:53,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [573910410] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:07:53,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:07:53,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-24 02:07:53,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987953659] [2024-11-24 02:07:53,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:07:53,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-24 02:07:53,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 02:07:53,294 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-24 02:07:53,294 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-24 02:07:53,294 INFO L87 Difference]: Start difference. First operand 5521 states and 6592 transitions. Second operand has 10 states, 10 states have (on average 8.0) internal successors, (80), 9 states have internal predecessors, (80), 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) [2024-11-24 02:08:01,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:08:01,231 INFO L93 Difference]: Finished difference Result 13355 states and 15631 transitions. [2024-11-24 02:08:01,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-24 02:08:01,236 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.0) internal successors, (80), 9 states have internal predecessors, (80), 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 162 [2024-11-24 02:08:01,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:08:01,248 INFO L225 Difference]: With dead ends: 13355 [2024-11-24 02:08:01,248 INFO L226 Difference]: Without dead ends: 7837 [2024-11-24 02:08:01,253 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2024-11-24 02:08:01,254 INFO L435 NwaCegarLoop]: 172 mSDtfsCounter, 402 mSDsluCounter, 927 mSDsCounter, 0 mSdLazyCounter, 550 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 402 SdHoareTripleChecker+Valid, 1099 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2024-11-24 02:08:01,254 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [402 Valid, 1099 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 550 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2024-11-24 02:08:01,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7837 states. [2024-11-24 02:08:01,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7837 to 6185. [2024-11-24 02:08:01,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6185 states, 5660 states have (on average 1.1639575971731448) internal successors, (6588), 5722 states have internal predecessors, (6588), 384 states have call successors, (384), 140 states have call predecessors, (384), 140 states have return successors, (384), 322 states have call predecessors, (384), 384 states have call successors, (384) [2024-11-24 02:08:01,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6185 states to 6185 states and 7356 transitions. [2024-11-24 02:08:01,741 INFO L78 Accepts]: Start accepts. Automaton has 6185 states and 7356 transitions. Word has length 162 [2024-11-24 02:08:01,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:08:01,741 INFO L471 AbstractCegarLoop]: Abstraction has 6185 states and 7356 transitions. [2024-11-24 02:08:01,741 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.0) internal successors, (80), 9 states have internal predecessors, (80), 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) [2024-11-24 02:08:01,741 INFO L276 IsEmpty]: Start isEmpty. Operand 6185 states and 7356 transitions. [2024-11-24 02:08:01,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-24 02:08:01,744 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:08:01,744 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, 1] [2024-11-24 02:08:01,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:08:01,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 65 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:08:01,945 INFO L396 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:08:01,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:08:01,945 INFO L85 PathProgramCache]: Analyzing trace with hash 62045212, now seen corresponding path program 1 times [2024-11-24 02:08:01,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:08:01,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1742095527] [2024-11-24 02:08:01,946 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:08:01,946 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 [2024-11-24 02:08:01,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 02:08:01,947 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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) [2024-11-24 02:08:01,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 (66)] Waiting until timeout for monitored process [2024-11-24 02:08:02,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:08:02,541 INFO L256 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-24 02:08:02,544 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:08:07,690 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 62 treesize of output 38 [2024-11-24 02:08:07,702 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 98 treesize of output 50 [2024-11-24 02:08:07,953 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 02:08:07,954 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:08:07,954 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 02:08:07,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1742095527] [2024-11-24 02:08:07,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1742095527] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:08:07,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:08:07,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-24 02:08:07,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434149272] [2024-11-24 02:08:07,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:08:07,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-24 02:08:07,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 02:08:07,955 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-24 02:08:07,955 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-24 02:08:07,955 INFO L87 Difference]: Start difference. First operand 6185 states and 7356 transitions. Second operand has 10 states, 10 states have (on average 8.0) internal successors, (80), 9 states have internal predecessors, (80), 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) [2024-11-24 02:08:16,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:08:16,368 INFO L93 Difference]: Finished difference Result 14019 states and 16387 transitions. [2024-11-24 02:08:16,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-24 02:08:16,375 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.0) internal successors, (80), 9 states have internal predecessors, (80), 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 162 [2024-11-24 02:08:16,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:08:16,387 INFO L225 Difference]: With dead ends: 14019 [2024-11-24 02:08:16,387 INFO L226 Difference]: Without dead ends: 7837 [2024-11-24 02:08:16,392 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2024-11-24 02:08:16,392 INFO L435 NwaCegarLoop]: 173 mSDtfsCounter, 400 mSDsluCounter, 912 mSDsCounter, 0 mSdLazyCounter, 532 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 400 SdHoareTripleChecker+Valid, 1085 SdHoareTripleChecker+Invalid, 567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 532 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2024-11-24 02:08:16,392 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [400 Valid, 1085 Invalid, 567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 532 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2024-11-24 02:08:16,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7837 states. [2024-11-24 02:08:16,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7837 to 6645. [2024-11-24 02:08:16,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6645 states, 6120 states have (on average 1.1529411764705881) internal successors, (7056), 6182 states have internal predecessors, (7056), 384 states have call successors, (384), 140 states have call predecessors, (384), 140 states have return successors, (384), 322 states have call predecessors, (384), 384 states have call successors, (384) [2024-11-24 02:08:16,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6645 states to 6645 states and 7824 transitions. [2024-11-24 02:08:16,825 INFO L78 Accepts]: Start accepts. Automaton has 6645 states and 7824 transitions. Word has length 162 [2024-11-24 02:08:16,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:08:16,825 INFO L471 AbstractCegarLoop]: Abstraction has 6645 states and 7824 transitions. [2024-11-24 02:08:16,825 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.0) internal successors, (80), 9 states have internal predecessors, (80), 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) [2024-11-24 02:08:16,825 INFO L276 IsEmpty]: Start isEmpty. Operand 6645 states and 7824 transitions. [2024-11-24 02:08:16,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-24 02:08:16,829 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:08:16,829 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, 1] [2024-11-24 02:08:16,837 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 (66)] Ended with exit code 0 [2024-11-24 02:08:17,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 66 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:08:17,030 INFO L396 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:08:17,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:08:17,030 INFO L85 PathProgramCache]: Analyzing trace with hash -747301414, now seen corresponding path program 1 times [2024-11-24 02:08:17,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:08:17,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [324417735] [2024-11-24 02:08:17,031 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:08:17,031 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 [2024-11-24 02:08:17,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 02:08:17,032 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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) [2024-11-24 02:08:17,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:08:17,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:08:17,653 INFO L256 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-24 02:08:17,656 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:08:20,336 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 17 treesize of output 13 [2024-11-24 02:08:20,952 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 63 treesize of output 47 [2024-11-24 02:08:20,963 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 42 treesize of output 30 [2024-11-24 02:08:21,685 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 3 proven. 217 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2024-11-24 02:08:21,685 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 02:08:23,330 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 02:08:23,330 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 02:08:23,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [324417735] [2024-11-24 02:08:23,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [324417735] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 02:08:23,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 02:08:23,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [14] total 20 [2024-11-24 02:08:23,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187366139] [2024-11-24 02:08:23,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:08:23,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-24 02:08:23,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 02:08:23,332 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-24 02:08:23,332 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=336, Unknown=0, NotChecked=0, Total=380 [2024-11-24 02:08:23,332 INFO L87 Difference]: Start difference. First operand 6645 states and 7824 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 9 states have internal predecessors, (80), 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) [2024-11-24 02:08:25,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:08:25,364 INFO L93 Difference]: Finished difference Result 6956 states and 8198 transitions. [2024-11-24 02:08:25,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-24 02:08:25,365 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 9 states have internal predecessors, (80), 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 162 [2024-11-24 02:08:25,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:08:25,383 INFO L225 Difference]: With dead ends: 6956 [2024-11-24 02:08:25,383 INFO L226 Difference]: Without dead ends: 6954 [2024-11-24 02:08:25,386 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 304 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=68, Invalid=582, Unknown=0, NotChecked=0, Total=650 [2024-11-24 02:08:25,387 INFO L435 NwaCegarLoop]: 279 mSDtfsCounter, 100 mSDsluCounter, 1800 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 2079 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-24 02:08:25,387 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 2079 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-24 02:08:25,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6954 states. [2024-11-24 02:08:25,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6954 to 6270. [2024-11-24 02:08:25,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6270 states, 5825 states have (on average 1.152618025751073) internal successors, (6714), 5873 states have internal predecessors, (6714), 324 states have call successors, (324), 120 states have call predecessors, (324), 120 states have return successors, (324), 276 states have call predecessors, (324), 324 states have call successors, (324) [2024-11-24 02:08:25,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6270 states to 6270 states and 7362 transitions. [2024-11-24 02:08:25,826 INFO L78 Accepts]: Start accepts. Automaton has 6270 states and 7362 transitions. Word has length 162 [2024-11-24 02:08:25,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:08:25,826 INFO L471 AbstractCegarLoop]: Abstraction has 6270 states and 7362 transitions. [2024-11-24 02:08:25,826 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 9 states have internal predecessors, (80), 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) [2024-11-24 02:08:25,826 INFO L276 IsEmpty]: Start isEmpty. Operand 6270 states and 7362 transitions. [2024-11-24 02:08:25,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-24 02:08:25,830 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:08:25,830 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, 1, 1, 1] [2024-11-24 02:08:25,838 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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)] Forceful destruction successful, exit code 0 [2024-11-24 02:08:26,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 67 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:08:26,031 INFO L396 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:08:26,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:08:26,031 INFO L85 PathProgramCache]: Analyzing trace with hash -1759638814, now seen corresponding path program 1 times [2024-11-24 02:08:26,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:08:26,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1641173298] [2024-11-24 02:08:26,032 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:08:26,032 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 [2024-11-24 02:08:26,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 02:08:26,034 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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) [2024-11-24 02:08:26,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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)] Waiting until timeout for monitored process [2024-11-24 02:08:26,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:08:26,591 INFO L256 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-24 02:08:26,594 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:08:34,699 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 45 treesize of output 21 [2024-11-24 02:08:34,732 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 [2024-11-24 02:08:34,997 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 5 proven. 279 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-11-24 02:08:34,997 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 02:08:37,300 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 02:08:37,300 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 91 treesize of output 66 [2024-11-24 02:08:38,630 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 02:08:38,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1641173298] [2024-11-24 02:08:38,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1641173298] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 02:08:38,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1685184586] [2024-11-24 02:08:38,630 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:08:38,631 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 02:08:38,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-24 02:08:38,634 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 02:08:38,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2024-11-24 02:08:40,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:08:40,098 INFO L256 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-24 02:08:40,100 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:08:40,987 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 61 treesize of output 37 [2024-11-24 02:08:40,999 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 49 treesize of output 25 [2024-11-24 02:08:41,558 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 02:08:41,558 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:08:41,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1685184586] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:08:41,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 02:08:41,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [13] total 17 [2024-11-24 02:08:41,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492853707] [2024-11-24 02:08:41,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:08:41,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 02:08:41,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 02:08:41,559 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 02:08:41,559 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=438, Unknown=0, NotChecked=0, Total=506 [2024-11-24 02:08:41,560 INFO L87 Difference]: Start difference. First operand 6270 states and 7362 transitions. Second operand has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 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) [2024-11-24 02:08:43,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:08:43,127 INFO L93 Difference]: Finished difference Result 12552 states and 14719 transitions. [2024-11-24 02:08:43,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 02:08:43,129 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 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 164 [2024-11-24 02:08:43,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:08:43,140 INFO L225 Difference]: With dead ends: 12552 [2024-11-24 02:08:43,140 INFO L226 Difference]: Without dead ends: 6342 [2024-11-24 02:08:43,144 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 444 GetRequests, 422 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=72, Invalid=480, Unknown=0, NotChecked=0, Total=552 [2024-11-24 02:08:43,145 INFO L435 NwaCegarLoop]: 210 mSDtfsCounter, 26 mSDsluCounter, 553 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 763 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-24 02:08:43,145 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 763 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-24 02:08:43,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6342 states. [2024-11-24 02:08:43,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6342 to 5810. [2024-11-24 02:08:43,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5810 states, 5365 states have (on average 1.1627213420316869) internal successors, (6238), 5413 states have internal predecessors, (6238), 324 states have call successors, (324), 120 states have call predecessors, (324), 120 states have return successors, (324), 276 states have call predecessors, (324), 324 states have call successors, (324) [2024-11-24 02:08:43,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5810 states to 5810 states and 6886 transitions. [2024-11-24 02:08:43,461 INFO L78 Accepts]: Start accepts. Automaton has 5810 states and 6886 transitions. Word has length 164 [2024-11-24 02:08:43,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:08:43,461 INFO L471 AbstractCegarLoop]: Abstraction has 5810 states and 6886 transitions. [2024-11-24 02:08:43,461 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 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) [2024-11-24 02:08:43,461 INFO L276 IsEmpty]: Start isEmpty. Operand 5810 states and 6886 transitions. [2024-11-24 02:08:43,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-24 02:08:43,464 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:08:43,464 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, 1, 1, 1] [2024-11-24 02:08:43,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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)] Ended with exit code 0 [2024-11-24 02:08:43,673 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (69)] Forceful destruction successful, exit code 0 [2024-11-24 02:08:43,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 68 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt [2024-11-24 02:08:43,865 INFO L396 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:08:43,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:08:43,865 INFO L85 PathProgramCache]: Analyzing trace with hash -927659934, now seen corresponding path program 1 times [2024-11-24 02:08:43,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:08:43,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [655909203] [2024-11-24 02:08:43,866 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:08:43,866 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 [2024-11-24 02:08:43,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 02:08:43,867 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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) [2024-11-24 02:08:43,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 [2024-11-24 02:08:44,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:08:44,501 INFO L256 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-24 02:08:44,504 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:08:53,473 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 45 treesize of output 21 [2024-11-24 02:08:53,507 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 [2024-11-24 02:08:53,769 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 5 proven. 279 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-11-24 02:08:53,769 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 02:08:56,409 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 02:08:56,409 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 91 treesize of output 66 [2024-11-24 02:08:57,795 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 02:08:57,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [655909203] [2024-11-24 02:08:57,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [655909203] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 02:08:57,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1342897856] [2024-11-24 02:08:57,795 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:08:57,795 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 02:08:57,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-24 02:08:57,797 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 02:08:57,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2024-11-24 02:08:59,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:08:59,332 INFO L256 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-24 02:08:59,334 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:08:59,945 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 62 treesize of output 38 [2024-11-24 02:08:59,957 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 50 treesize of output 26 [2024-11-24 02:09:00,227 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-24 02:09:00,227 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:09:00,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1342897856] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:09:00,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 02:09:00,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [13] total 17 [2024-11-24 02:09:00,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223973882] [2024-11-24 02:09:00,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:09:00,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 02:09:00,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 02:09:00,228 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 02:09:00,228 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=356, Unknown=0, NotChecked=0, Total=420 [2024-11-24 02:09:00,228 INFO L87 Difference]: Start difference. First operand 5810 states and 6886 transitions. Second operand has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 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) [2024-11-24 02:09:01,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:09:01,655 INFO L93 Difference]: Finished difference Result 11582 states and 13710 transitions. [2024-11-24 02:09:01,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 02:09:01,657 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 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 164 [2024-11-24 02:09:01,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:09:01,674 INFO L225 Difference]: With dead ends: 11582 [2024-11-24 02:09:01,678 INFO L226 Difference]: Without dead ends: 0 [2024-11-24 02:09:01,690 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 444 GetRequests, 423 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=71, Invalid=391, Unknown=0, NotChecked=0, Total=462 [2024-11-24 02:09:01,695 INFO L435 NwaCegarLoop]: 208 mSDtfsCounter, 28 mSDsluCounter, 543 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 751 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-24 02:09:01,695 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 751 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-24 02:09:01,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-24 02:09:01,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-24 02:09:01,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 02:09:01,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-24 02:09:01,714 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 164 [2024-11-24 02:09:01,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:09:01,714 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-24 02:09:01,715 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 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) [2024-11-24 02:09:01,715 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-24 02:09:01,715 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-24 02:09:01,722 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-24 02:09:01,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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)] Ended with exit code 0 [2024-11-24 02:09:01,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2024-11-24 02:09:02,123 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 70 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecea6e-6bc0-493b-8cdb-532608bd1621/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt [2024-11-24 02:09:02,126 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:09:02,128 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.