./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-83.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_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/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_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-83.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/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_7641df60-4fc8-42c2-9f85-692d770811d4/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 f973a40b26aaa32bb1cc01afeff98c3363a14790c658d13c89361ba4409a62b2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 22:53:39,055 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 22:53:39,158 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-23 22:53:39,164 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 22:53:39,168 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 22:53:39,206 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 22:53:39,207 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 22:53:39,208 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 22:53:39,208 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 22:53:39,209 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 22:53:39,209 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 22:53:39,209 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 22:53:39,210 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 22:53:39,210 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 22:53:39,210 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 22:53:39,210 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 22:53:39,211 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 22:53:39,211 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 22:53:39,212 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 22:53:39,212 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 22:53:39,212 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 22:53:39,212 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 22:53:39,212 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 22:53:39,213 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 22:53:39,213 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 22:53:39,213 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 22:53:39,213 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 22:53:39,213 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 22:53:39,213 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 22:53:39,213 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:53:39,213 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 22:53:39,214 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 22:53:39,214 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:53:39,214 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 22:53:39,214 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:53:39,214 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 22:53:39,214 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 22:53:39,214 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:53:39,214 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 22:53:39,215 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 22:53:39,215 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 22:53:39,216 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 22:53:39,216 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 22:53:39,216 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 22:53:39,216 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 22:53:39,216 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 22:53:39,216 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 22:53:39,216 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 22:53:39,216 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_7641df60-4fc8-42c2-9f85-692d770811d4/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 -> f973a40b26aaa32bb1cc01afeff98c3363a14790c658d13c89361ba4409a62b2 [2024-11-23 22:53:39,547 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 22:53:39,555 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 22:53:39,559 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 22:53:39,561 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 22:53:39,561 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 22:53:39,563 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-83.i [2024-11-23 22:53:42,725 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/data/bc814987f/23b4d425bd194c3798905ccf3e74ce9b/FLAGd5a5f8349 [2024-11-23 22:53:42,991 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 22:53:42,992 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-83.i [2024-11-23 22:53:43,000 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/data/bc814987f/23b4d425bd194c3798905ccf3e74ce9b/FLAGd5a5f8349 [2024-11-23 22:53:43,024 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/data/bc814987f/23b4d425bd194c3798905ccf3e74ce9b [2024-11-23 22:53:43,027 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 22:53:43,029 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 22:53:43,030 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 22:53:43,030 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 22:53:43,035 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 22:53:43,038 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:53:43" (1/1) ... [2024-11-23 22:53:43,039 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46a552c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:53:43, skipping insertion in model container [2024-11-23 22:53:43,039 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:53:43" (1/1) ... [2024-11-23 22:53:43,063 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 22:53:43,223 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_7641df60-4fc8-42c2-9f85-692d770811d4/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-83.i[916,929] [2024-11-23 22:53:43,288 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:53:43,302 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 22:53:43,313 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_7641df60-4fc8-42c2-9f85-692d770811d4/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-83.i[916,929] [2024-11-23 22:53:43,356 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:53:43,375 INFO L204 MainTranslator]: Completed translation [2024-11-23 22:53:43,376 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:53:43 WrapperNode [2024-11-23 22:53:43,376 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 22:53:43,377 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 22:53:43,377 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 22:53:43,378 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 22:53:43,387 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:53:43" (1/1) ... [2024-11-23 22:53:43,401 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:53:43" (1/1) ... [2024-11-23 22:53:43,461 INFO L138 Inliner]: procedures = 29, calls = 158, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 519 [2024-11-23 22:53:43,461 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 22:53:43,462 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 22:53:43,462 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 22:53:43,462 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 22:53:43,482 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:53:43" (1/1) ... [2024-11-23 22:53:43,482 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:53:43" (1/1) ... [2024-11-23 22:53:43,488 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:53:43" (1/1) ... [2024-11-23 22:53:43,510 INFO L175 MemorySlicer]: Split 130 memory accesses to 7 slices as follows [2, 6, 47, 21, 5, 9, 40]. 36 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 1, 5, 2, 1, 1, 2]. The 16 writes are split as follows [0, 1, 7, 2, 1, 1, 4]. [2024-11-23 22:53:43,510 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:53:43" (1/1) ... [2024-11-23 22:53:43,510 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:53:43" (1/1) ... [2024-11-23 22:53:43,533 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:53:43" (1/1) ... [2024-11-23 22:53:43,535 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:53:43" (1/1) ... [2024-11-23 22:53:43,547 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:53:43" (1/1) ... [2024-11-23 22:53:43,553 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:53:43" (1/1) ... [2024-11-23 22:53:43,556 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:53:43" (1/1) ... [2024-11-23 22:53:43,569 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 22:53:43,570 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 22:53:43,573 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 22:53:43,574 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 22:53:43,574 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:53:43" (1/1) ... [2024-11-23 22:53:43,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:53:43,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:53:43,607 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 22:53:43,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 22:53:43,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 22:53:43,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-23 22:53:43,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-23 22:53:43,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-23 22:53:43,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-11-23 22:53:43,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-11-23 22:53:43,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-11-23 22:53:43,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-11-23 22:53:43,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-23 22:53:43,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-23 22:53:43,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-23 22:53:43,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-23 22:53:43,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-23 22:53:43,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-23 22:53:43,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-23 22:53:43,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-23 22:53:43,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-23 22:53:43,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-11-23 22:53:43,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-11-23 22:53:43,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-11-23 22:53:43,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-11-23 22:53:43,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-11-23 22:53:43,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-23 22:53:43,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-23 22:53:43,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-23 22:53:43,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-23 22:53:43,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-23 22:53:43,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-23 22:53:43,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-23 22:53:43,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-11-23 22:53:43,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-11-23 22:53:43,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-11-23 22:53:43,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-11-23 22:53:43,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-11-23 22:53:43,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-11-23 22:53:43,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2024-11-23 22:53:43,646 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 22:53:43,646 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 22:53:43,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 22:53:43,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-23 22:53:43,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-23 22:53:43,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-23 22:53:43,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-23 22:53:43,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-23 22:53:43,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-23 22:53:43,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 22:53:43,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 22:53:43,863 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 22:53:43,864 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 22:53:44,647 INFO L? ?]: Removed 139 outVars from TransFormulas that were not future-live. [2024-11-23 22:53:44,647 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 22:53:44,663 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 22:53:44,665 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 22:53:44,666 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:53:44 BoogieIcfgContainer [2024-11-23 22:53:44,666 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 22:53:44,668 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 22:53:44,668 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 22:53:44,673 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 22:53:44,673 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:53:43" (1/3) ... [2024-11-23 22:53:44,674 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2721c3cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:53:44, skipping insertion in model container [2024-11-23 22:53:44,674 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:53:43" (2/3) ... [2024-11-23 22:53:44,675 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2721c3cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:53:44, skipping insertion in model container [2024-11-23 22:53:44,675 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:53:44" (3/3) ... [2024-11-23 22:53:44,677 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-83.i [2024-11-23 22:53:44,697 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 22:53:44,700 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-83.i that has 2 procedures, 112 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-23 22:53:44,764 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 22:53:44,776 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;@43183eb2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 22:53:44,777 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 22:53:44,781 INFO L276 IsEmpty]: Start isEmpty. Operand has 112 states, 98 states have (on average 1.469387755102041) internal successors, (144), 99 states have internal predecessors, (144), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-23 22:53:44,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-23 22:53:44,794 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:53:44,795 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:53:44,796 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:53:44,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:53:44,802 INFO L85 PathProgramCache]: Analyzing trace with hash -614938600, now seen corresponding path program 1 times [2024-11-23 22:53:44,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:53:44,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959446511] [2024-11-23 22:53:44,811 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:53:44,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:53:45,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:53:45,234 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-11-23 22:53:45,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:53:45,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959446511] [2024-11-23 22:53:45,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959446511] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 22:53:45,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [292026264] [2024-11-23 22:53:45,239 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:53:45,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:53:45,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:53:45,243 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 22:53:45,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 22:53:45,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:53:45,579 INFO L256 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-23 22:53:45,591 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:53:45,619 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-11-23 22:53:45,619 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 22:53:45,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [292026264] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:53:45,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 22:53:45,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-23 22:53:45,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421571787] [2024-11-23 22:53:45,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:53:45,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 22:53:45,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:53:45,646 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 22:53:45,646 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 22:53:45,649 INFO L87 Difference]: Start difference. First operand has 112 states, 98 states have (on average 1.469387755102041) internal successors, (144), 99 states have internal predecessors, (144), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-23 22:53:45,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:53:45,677 INFO L93 Difference]: Finished difference Result 217 states and 337 transitions. [2024-11-23 22:53:45,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 22:53:45,679 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) Word has length 106 [2024-11-23 22:53:45,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:53:45,685 INFO L225 Difference]: With dead ends: 217 [2024-11-23 22:53:45,685 INFO L226 Difference]: Without dead ends: 108 [2024-11-23 22:53:45,688 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 22:53:45,691 INFO L435 NwaCegarLoop]: 153 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, 153 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 22:53:45,692 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:53:45,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2024-11-23 22:53:45,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2024-11-23 22:53:45,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 95 states have (on average 1.3789473684210527) internal successors, (131), 95 states have internal predecessors, (131), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-23 22:53:45,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 153 transitions. [2024-11-23 22:53:45,731 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 153 transitions. Word has length 106 [2024-11-23 22:53:45,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:53:45,731 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 153 transitions. [2024-11-23 22:53:45,732 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-23 22:53:45,732 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 153 transitions. [2024-11-23 22:53:45,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-23 22:53:45,772 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:53:45,772 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:53:45,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-23 22:53:45,973 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-23 22:53:45,973 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:53:45,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:53:45,974 INFO L85 PathProgramCache]: Analyzing trace with hash 980575082, now seen corresponding path program 1 times [2024-11-23 22:53:45,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:53:45,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677883350] [2024-11-23 22:53:45,974 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:53:45,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:53:46,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:53:46,349 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 22:53:46,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:53:46,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677883350] [2024-11-23 22:53:46,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677883350] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:53:46,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:53:46,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 22:53:46,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779317435] [2024-11-23 22:53:46,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:53:46,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 22:53:46,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:53:46,351 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 22:53:46,351 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 22:53:46,352 INFO L87 Difference]: Start difference. First operand 108 states and 153 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-23 22:53:46,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:53:46,416 INFO L93 Difference]: Finished difference Result 215 states and 306 transitions. [2024-11-23 22:53:46,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 22:53:46,421 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 106 [2024-11-23 22:53:46,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:53:46,422 INFO L225 Difference]: With dead ends: 215 [2024-11-23 22:53:46,422 INFO L226 Difference]: Without dead ends: 110 [2024-11-23 22:53:46,423 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 [2024-11-23 22:53:46,424 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 0 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 22:53:46,424 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 442 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:53:46,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2024-11-23 22:53:46,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2024-11-23 22:53:46,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 97 states have (on average 1.3711340206185567) internal successors, (133), 97 states have internal predecessors, (133), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-23 22:53:46,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 155 transitions. [2024-11-23 22:53:46,434 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 155 transitions. Word has length 106 [2024-11-23 22:53:46,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:53:46,435 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 155 transitions. [2024-11-23 22:53:46,435 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-23 22:53:46,436 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 155 transitions. [2024-11-23 22:53:46,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-23 22:53:46,439 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:53:46,439 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:53:46,440 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 22:53:46,440 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:53:46,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:53:46,440 INFO L85 PathProgramCache]: Analyzing trace with hash 1751308648, now seen corresponding path program 1 times [2024-11-23 22:53:46,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:53:46,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415576836] [2024-11-23 22:53:46,441 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:53:46,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:53:46,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:53:46,840 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 22:53:46,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:53:46,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415576836] [2024-11-23 22:53:46,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415576836] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:53:46,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:53:46,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 22:53:46,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140722225] [2024-11-23 22:53:46,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:53:46,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 22:53:46,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:53:46,842 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 22:53:46,842 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 22:53:46,842 INFO L87 Difference]: Start difference. First operand 110 states and 155 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 22:53:46,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:53:46,896 INFO L93 Difference]: Finished difference Result 220 states and 311 transitions. [2024-11-23 22:53:46,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 22:53:46,899 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 106 [2024-11-23 22:53:46,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:53:46,902 INFO L225 Difference]: With dead ends: 220 [2024-11-23 22:53:46,903 INFO L226 Difference]: Without dead ends: 113 [2024-11-23 22:53:46,903 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 [2024-11-23 22:53:46,907 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 1 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 22:53:46,907 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 439 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:53:46,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-11-23 22:53:46,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 112. [2024-11-23 22:53:46,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 99 states have (on average 1.3636363636363635) internal successors, (135), 99 states have internal predecessors, (135), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-23 22:53:46,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 157 transitions. [2024-11-23 22:53:46,927 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 157 transitions. Word has length 106 [2024-11-23 22:53:46,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:53:46,927 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 157 transitions. [2024-11-23 22:53:46,927 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 22:53:46,928 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 157 transitions. [2024-11-23 22:53:46,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-23 22:53:46,932 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:53:46,933 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:53:46,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 22:53:46,933 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:53:46,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:53:46,934 INFO L85 PathProgramCache]: Analyzing trace with hash -1863600278, now seen corresponding path program 1 times [2024-11-23 22:53:46,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:53:46,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268445870] [2024-11-23 22:53:46,934 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:53:46,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:53:47,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:53:47,151 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 22:53:47,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:53:47,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268445870] [2024-11-23 22:53:47,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268445870] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:53:47,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:53:47,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 22:53:47,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364976103] [2024-11-23 22:53:47,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:53:47,155 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 22:53:47,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:53:47,156 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 22:53:47,156 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 22:53:47,156 INFO L87 Difference]: Start difference. First operand 112 states and 157 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 22:53:47,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:53:47,196 INFO L93 Difference]: Finished difference Result 224 states and 315 transitions. [2024-11-23 22:53:47,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 22:53:47,196 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 106 [2024-11-23 22:53:47,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:53:47,198 INFO L225 Difference]: With dead ends: 224 [2024-11-23 22:53:47,198 INFO L226 Difference]: Without dead ends: 115 [2024-11-23 22:53:47,199 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 [2024-11-23 22:53:47,208 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 1 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 440 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 22:53:47,208 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 440 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:53:47,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-11-23 22:53:47,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 114. [2024-11-23 22:53:47,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 101 states have (on average 1.3564356435643565) internal successors, (137), 101 states have internal predecessors, (137), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-23 22:53:47,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 159 transitions. [2024-11-23 22:53:47,216 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 159 transitions. Word has length 106 [2024-11-23 22:53:47,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:53:47,217 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 159 transitions. [2024-11-23 22:53:47,217 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 22:53:47,217 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 159 transitions. [2024-11-23 22:53:47,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-23 22:53:47,219 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:53:47,219 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:53:47,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 22:53:47,219 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:53:47,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:53:47,220 INFO L85 PathProgramCache]: Analyzing trace with hash -88592916, now seen corresponding path program 1 times [2024-11-23 22:53:47,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:53:47,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745579861] [2024-11-23 22:53:47,220 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:53:47,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:53:47,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:53:47,427 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 22:53:47,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:53:47,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745579861] [2024-11-23 22:53:47,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745579861] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:53:47,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:53:47,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 22:53:47,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902991849] [2024-11-23 22:53:47,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:53:47,428 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 22:53:47,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:53:47,429 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 22:53:47,429 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 22:53:47,429 INFO L87 Difference]: Start difference. First operand 114 states and 159 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 22:53:47,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:53:47,464 INFO L93 Difference]: Finished difference Result 228 states and 319 transitions. [2024-11-23 22:53:47,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 22:53:47,466 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 106 [2024-11-23 22:53:47,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:53:47,467 INFO L225 Difference]: With dead ends: 228 [2024-11-23 22:53:47,467 INFO L226 Difference]: Without dead ends: 117 [2024-11-23 22:53:47,468 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 [2024-11-23 22:53:47,468 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 1 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 22:53:47,469 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 442 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:53:47,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-11-23 22:53:47,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 116. [2024-11-23 22:53:47,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 103 states have (on average 1.3495145631067962) internal successors, (139), 103 states have internal predecessors, (139), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-23 22:53:47,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 161 transitions. [2024-11-23 22:53:47,484 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 161 transitions. Word has length 106 [2024-11-23 22:53:47,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:53:47,484 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 161 transitions. [2024-11-23 22:53:47,487 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 22:53:47,487 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 161 transitions. [2024-11-23 22:53:47,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-23 22:53:47,489 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:53:47,489 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:53:47,489 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-23 22:53:47,489 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:53:47,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:53:47,489 INFO L85 PathProgramCache]: Analyzing trace with hash -86745874, now seen corresponding path program 1 times [2024-11-23 22:53:47,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:53:47,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093829976] [2024-11-23 22:53:47,490 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:53:47,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:53:47,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:53:47,819 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 22:53:47,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:53:47,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093829976] [2024-11-23 22:53:47,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093829976] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:53:47,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:53:47,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 22:53:47,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813264138] [2024-11-23 22:53:47,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:53:47,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 22:53:47,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:53:47,821 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 22:53:47,821 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 22:53:47,821 INFO L87 Difference]: Start difference. First operand 116 states and 161 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 22:53:47,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:53:47,893 INFO L93 Difference]: Finished difference Result 270 states and 376 transitions. [2024-11-23 22:53:47,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 22:53:47,894 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 106 [2024-11-23 22:53:47,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:53:47,897 INFO L225 Difference]: With dead ends: 270 [2024-11-23 22:53:47,898 INFO L226 Difference]: Without dead ends: 157 [2024-11-23 22:53:47,899 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-23 22:53:47,901 INFO L435 NwaCegarLoop]: 198 mSDtfsCounter, 148 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 22:53:47,902 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 448 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:53:47,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2024-11-23 22:53:47,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 116. [2024-11-23 22:53:47,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 103 states have (on average 1.3398058252427185) internal successors, (138), 103 states have internal predecessors, (138), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-23 22:53:47,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 160 transitions. [2024-11-23 22:53:47,919 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 160 transitions. Word has length 106 [2024-11-23 22:53:47,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:53:47,919 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 160 transitions. [2024-11-23 22:53:47,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 22:53:47,920 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 160 transitions. [2024-11-23 22:53:47,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-23 22:53:47,924 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:53:47,924 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:53:47,924 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-23 22:53:47,924 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:53:47,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:53:47,925 INFO L85 PathProgramCache]: Analyzing trace with hash -754573524, now seen corresponding path program 1 times [2024-11-23 22:53:47,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:53:47,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879921662] [2024-11-23 22:53:47,925 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:53:47,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:53:47,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:53:48,237 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 22:53:48,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:53:48,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879921662] [2024-11-23 22:53:48,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879921662] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:53:48,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:53:48,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 22:53:48,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207553749] [2024-11-23 22:53:48,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:53:48,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 22:53:48,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:53:48,240 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 22:53:48,240 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 22:53:48,240 INFO L87 Difference]: Start difference. First operand 116 states and 160 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 22:53:48,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:53:48,342 INFO L93 Difference]: Finished difference Result 231 states and 320 transitions. [2024-11-23 22:53:48,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 22:53:48,343 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 107 [2024-11-23 22:53:48,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:53:48,345 INFO L225 Difference]: With dead ends: 231 [2024-11-23 22:53:48,346 INFO L226 Difference]: Without dead ends: 118 [2024-11-23 22:53:48,346 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-23 22:53:48,347 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 3 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 543 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 22:53:48,348 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 543 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 22:53:48,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-11-23 22:53:48,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2024-11-23 22:53:48,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 105 states have (on average 1.3333333333333333) internal successors, (140), 105 states have internal predecessors, (140), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-23 22:53:48,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 162 transitions. [2024-11-23 22:53:48,360 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 162 transitions. Word has length 107 [2024-11-23 22:53:48,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:53:48,360 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 162 transitions. [2024-11-23 22:53:48,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 22:53:48,361 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 162 transitions. [2024-11-23 22:53:48,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-23 22:53:48,365 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:53:48,366 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:53:48,366 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-23 22:53:48,366 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:53:48,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:53:48,366 INFO L85 PathProgramCache]: Analyzing trace with hash 465517384, now seen corresponding path program 1 times [2024-11-23 22:53:48,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:53:48,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579365963] [2024-11-23 22:53:48,367 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:53:48,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:53:48,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:53:49,311 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 22:53:49,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:53:49,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579365963] [2024-11-23 22:53:49,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579365963] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:53:49,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:53:49,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-23 22:53:49,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758511247] [2024-11-23 22:53:49,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:53:49,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 22:53:49,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:53:49,318 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 22:53:49,318 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-23 22:53:49,318 INFO L87 Difference]: Start difference. First operand 118 states and 162 transitions. Second operand has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 7 states have internal predecessors, (56), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-23 22:53:49,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:53:49,618 INFO L93 Difference]: Finished difference Result 330 states and 454 transitions. [2024-11-23 22:53:49,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 22:53:49,618 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 7 states have internal predecessors, (56), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) Word has length 108 [2024-11-23 22:53:49,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:53:49,622 INFO L225 Difference]: With dead ends: 330 [2024-11-23 22:53:49,622 INFO L226 Difference]: Without dead ends: 215 [2024-11-23 22:53:49,623 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-23 22:53:49,623 INFO L435 NwaCegarLoop]: 174 mSDtfsCounter, 110 mSDsluCounter, 780 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 954 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 22:53:49,623 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 954 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 22:53:49,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2024-11-23 22:53:49,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 212. [2024-11-23 22:53:49,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 192 states have (on average 1.34375) internal successors, (258), 193 states have internal predecessors, (258), 17 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 16 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-23 22:53:49,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 292 transitions. [2024-11-23 22:53:49,640 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 292 transitions. Word has length 108 [2024-11-23 22:53:49,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:53:49,641 INFO L471 AbstractCegarLoop]: Abstraction has 212 states and 292 transitions. [2024-11-23 22:53:49,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 7 states have internal predecessors, (56), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-23 22:53:49,642 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 292 transitions. [2024-11-23 22:53:49,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-23 22:53:49,645 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:53:49,645 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:53:49,645 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-23 22:53:49,645 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:53:49,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:53:49,646 INFO L85 PathProgramCache]: Analyzing trace with hash -555550970, now seen corresponding path program 1 times [2024-11-23 22:53:49,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:53:49,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640242288] [2024-11-23 22:53:49,646 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:53:49,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:53:49,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-23 22:53:49,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [250348160] [2024-11-23 22:53:49,811 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:53:49,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:53:49,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:53:49,813 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 22:53:49,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-23 22:53:50,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:53:50,169 INFO L256 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-23 22:53:50,179 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:53:50,853 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 18 treesize of output 10 [2024-11-23 22:53:50,927 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 90 proven. 6 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-11-23 22:53:50,927 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 22:53:51,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:53:51,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640242288] [2024-11-23 22:53:51,749 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-23 22:53:51,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [250348160] [2024-11-23 22:53:51,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [250348160] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 22:53:51,749 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-23 22:53:51,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-23 22:53:51,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035066549] [2024-11-23 22:53:51,749 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-23 22:53:51,750 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-23 22:53:51,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:53:51,751 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-23 22:53:51,751 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2024-11-23 22:53:51,751 INFO L87 Difference]: Start difference. First operand 212 states and 292 transitions. Second operand has 12 states, 11 states have (on average 5.636363636363637) internal successors, (62), 11 states have internal predecessors, (62), 3 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-23 22:53:52,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:53:52,747 INFO L93 Difference]: Finished difference Result 726 states and 999 transitions. [2024-11-23 22:53:52,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-23 22:53:52,748 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.636363636363637) internal successors, (62), 11 states have internal predecessors, (62), 3 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) Word has length 108 [2024-11-23 22:53:52,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:53:52,752 INFO L225 Difference]: With dead ends: 726 [2024-11-23 22:53:52,752 INFO L226 Difference]: Without dead ends: 517 [2024-11-23 22:53:52,753 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=155, Invalid=657, Unknown=0, NotChecked=0, Total=812 [2024-11-23 22:53:52,754 INFO L435 NwaCegarLoop]: 108 mSDtfsCounter, 300 mSDsluCounter, 1041 mSDsCounter, 0 mSdLazyCounter, 512 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 300 SdHoareTripleChecker+Valid, 1149 SdHoareTripleChecker+Invalid, 554 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 512 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-23 22:53:52,754 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [300 Valid, 1149 Invalid, 554 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 512 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-23 22:53:52,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 517 states. [2024-11-23 22:53:52,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 517 to 299. [2024-11-23 22:53:52,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 266 states have (on average 1.3383458646616542) internal successors, (356), 267 states have internal predecessors, (356), 28 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-23 22:53:52,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 412 transitions. [2024-11-23 22:53:52,793 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 412 transitions. Word has length 108 [2024-11-23 22:53:52,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:53:52,794 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 412 transitions. [2024-11-23 22:53:52,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.636363636363637) internal successors, (62), 11 states have internal predecessors, (62), 3 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-23 22:53:52,794 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 412 transitions. [2024-11-23 22:53:52,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-23 22:53:52,796 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:53:52,796 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:53:52,807 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-23 22:53:52,996 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:53:52,997 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:53:52,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:53:52,998 INFO L85 PathProgramCache]: Analyzing trace with hash -2143898872, now seen corresponding path program 1 times [2024-11-23 22:53:52,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:53:52,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282393164] [2024-11-23 22:53:52,998 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:53:52,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:53:53,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-23 22:53:53,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [103221949] [2024-11-23 22:53:53,112 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:53:53,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:53:53,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:53:53,114 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 22:53:53,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-23 22:53:53,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:53:53,385 INFO L256 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-23 22:53:53,394 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:53:53,598 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 22:53:53,599 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 22:53:53,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:53:53,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282393164] [2024-11-23 22:53:53,599 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-23 22:53:53,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [103221949] [2024-11-23 22:53:53,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [103221949] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:53:53,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:53:53,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 22:53:53,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996253205] [2024-11-23 22:53:53,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:53:53,600 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 22:53:53,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:53:53,600 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 22:53:53,600 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-23 22:53:53,600 INFO L87 Difference]: Start difference. First operand 299 states and 412 transitions. Second operand has 7 states, 7 states have (on average 8.0) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 22:53:53,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:53:53,946 INFO L93 Difference]: Finished difference Result 783 states and 1085 transitions. [2024-11-23 22:53:53,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 22:53:53,947 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 108 [2024-11-23 22:53:53,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:53:53,952 INFO L225 Difference]: With dead ends: 783 [2024-11-23 22:53:53,953 INFO L226 Difference]: Without dead ends: 548 [2024-11-23 22:53:53,954 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-11-23 22:53:53,954 INFO L435 NwaCegarLoop]: 131 mSDtfsCounter, 296 mSDsluCounter, 567 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 698 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 22:53:53,955 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [296 Valid, 698 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 22:53:53,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2024-11-23 22:53:53,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 306. [2024-11-23 22:53:53,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 273 states have (on average 1.3333333333333333) internal successors, (364), 274 states have internal predecessors, (364), 28 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-23 22:53:53,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 420 transitions. [2024-11-23 22:53:53,991 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 420 transitions. Word has length 108 [2024-11-23 22:53:53,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:53:53,992 INFO L471 AbstractCegarLoop]: Abstraction has 306 states and 420 transitions. [2024-11-23 22:53:53,992 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 22:53:53,992 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 420 transitions. [2024-11-23 22:53:53,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-23 22:53:53,994 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:53:53,994 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:53:54,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-23 22:53:54,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-23 22:53:54,195 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:53:54,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:53:54,196 INFO L85 PathProgramCache]: Analyzing trace with hash -1338496313, now seen corresponding path program 1 times [2024-11-23 22:53:54,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:53:54,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74312716] [2024-11-23 22:53:54,196 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:53:54,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:53:54,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:53:54,830 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 22:53:54,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:53:54,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74312716] [2024-11-23 22:53:54,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74312716] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:53:54,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:53:54,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 22:53:54,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005019292] [2024-11-23 22:53:54,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:53:54,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 22:53:54,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:53:54,832 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 22:53:54,832 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-23 22:53:54,833 INFO L87 Difference]: Start difference. First operand 306 states and 420 transitions. Second operand has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-23 22:53:55,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:53:55,201 INFO L93 Difference]: Finished difference Result 515 states and 709 transitions. [2024-11-23 22:53:55,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 22:53:55,203 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) Word has length 108 [2024-11-23 22:53:55,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:53:55,204 INFO L225 Difference]: With dead ends: 515 [2024-11-23 22:53:55,205 INFO L226 Difference]: Without dead ends: 306 [2024-11-23 22:53:55,205 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-23 22:53:55,206 INFO L435 NwaCegarLoop]: 181 mSDtfsCounter, 255 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 256 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 22:53:55,206 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [256 Valid, 486 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 22:53:55,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2024-11-23 22:53:55,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 306. [2024-11-23 22:53:55,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 273 states have (on average 1.326007326007326) internal successors, (362), 274 states have internal predecessors, (362), 28 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-23 22:53:55,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 418 transitions. [2024-11-23 22:53:55,235 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 418 transitions. Word has length 108 [2024-11-23 22:53:55,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:53:55,235 INFO L471 AbstractCegarLoop]: Abstraction has 306 states and 418 transitions. [2024-11-23 22:53:55,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-23 22:53:55,235 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 418 transitions. [2024-11-23 22:53:55,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-23 22:53:55,237 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:53:55,237 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:53:55,237 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-23 22:53:55,237 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:53:55,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:53:55,238 INFO L85 PathProgramCache]: Analyzing trace with hash -757695478, now seen corresponding path program 1 times [2024-11-23 22:53:55,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:53:55,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628595731] [2024-11-23 22:53:55,238 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:53:55,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:53:55,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:53:56,733 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 51 proven. 3 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-11-23 22:53:56,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:53:56,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628595731] [2024-11-23 22:53:56,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628595731] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 22:53:56,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1931804258] [2024-11-23 22:53:56,733 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:53:56,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:53:56,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:53:56,737 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 22:53:56,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-23 22:53:57,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:53:57,036 INFO L256 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-23 22:53:57,041 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:53:57,583 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-23 22:53:57,752 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 3 [2024-11-23 22:53:57,851 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 [2024-11-23 22:53:57,946 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 90 proven. 6 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-11-23 22:53:57,946 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 22:53:58,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1931804258] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 22:53:58,439 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-23 22:53:58,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 20 [2024-11-23 22:53:58,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275492495] [2024-11-23 22:53:58,439 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-23 22:53:58,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-23 22:53:58,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:53:58,440 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-23 22:53:58,441 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=498, Unknown=0, NotChecked=0, Total=600 [2024-11-23 22:53:58,441 INFO L87 Difference]: Start difference. First operand 306 states and 418 transitions. Second operand has 20 states, 17 states have (on average 6.235294117647059) internal successors, (106), 20 states have internal predecessors, (106), 7 states have call successors, (22), 3 states have call predecessors, (22), 5 states have return successors, (22), 4 states have call predecessors, (22), 7 states have call successors, (22) [2024-11-23 22:54:00,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:54:00,160 INFO L93 Difference]: Finished difference Result 697 states and 952 transitions. [2024-11-23 22:54:00,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-23 22:54:00,161 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 17 states have (on average 6.235294117647059) internal successors, (106), 20 states have internal predecessors, (106), 7 states have call successors, (22), 3 states have call predecessors, (22), 5 states have return successors, (22), 4 states have call predecessors, (22), 7 states have call successors, (22) Word has length 108 [2024-11-23 22:54:00,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:54:00,164 INFO L225 Difference]: With dead ends: 697 [2024-11-23 22:54:00,164 INFO L226 Difference]: Without dead ends: 488 [2024-11-23 22:54:00,165 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 145 SyntacticMatches, 2 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 400 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=304, Invalid=1418, Unknown=0, NotChecked=0, Total=1722 [2024-11-23 22:54:00,166 INFO L435 NwaCegarLoop]: 136 mSDtfsCounter, 564 mSDsluCounter, 1309 mSDsCounter, 0 mSdLazyCounter, 714 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 578 SdHoareTripleChecker+Valid, 1445 SdHoareTripleChecker+Invalid, 769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 714 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-23 22:54:00,166 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [578 Valid, 1445 Invalid, 769 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 714 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-23 22:54:00,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2024-11-23 22:54:00,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 310. [2024-11-23 22:54:00,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 276 states have (on average 1.3224637681159421) internal successors, (365), 277 states have internal predecessors, (365), 28 states have call successors, (28), 5 states have call predecessors, (28), 5 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-23 22:54:00,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 421 transitions. [2024-11-23 22:54:00,189 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 421 transitions. Word has length 108 [2024-11-23 22:54:00,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:54:00,189 INFO L471 AbstractCegarLoop]: Abstraction has 310 states and 421 transitions. [2024-11-23 22:54:00,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 17 states have (on average 6.235294117647059) internal successors, (106), 20 states have internal predecessors, (106), 7 states have call successors, (22), 3 states have call predecessors, (22), 5 states have return successors, (22), 4 states have call predecessors, (22), 7 states have call successors, (22) [2024-11-23 22:54:00,190 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 421 transitions. [2024-11-23 22:54:00,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-23 22:54:00,191 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:54:00,191 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:54:00,201 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-23 22:54:00,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-23 22:54:00,395 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:54:00,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:54:00,395 INFO L85 PathProgramCache]: Analyzing trace with hash 1342247688, now seen corresponding path program 1 times [2024-11-23 22:54:00,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:54:00,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901180199] [2024-11-23 22:54:00,395 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:54:00,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:54:00,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-23 22:54:00,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1795403551] [2024-11-23 22:54:00,475 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:54:00,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:54:00,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:54:00,477 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 22:54:00,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-23 22:54:00,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:54:00,865 INFO L256 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-23 22:54:00,869 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:54:01,075 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 22:54:01,075 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 22:54:01,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:54:01,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901180199] [2024-11-23 22:54:01,076 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-23 22:54:01,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1795403551] [2024-11-23 22:54:01,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1795403551] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:54:01,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:54:01,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 22:54:01,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415269062] [2024-11-23 22:54:01,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:54:01,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 22:54:01,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:54:01,077 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 22:54:01,077 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-23 22:54:01,077 INFO L87 Difference]: Start difference. First operand 310 states and 421 transitions. Second operand has 7 states, 7 states have (on average 8.0) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 22:54:01,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:54:01,405 INFO L93 Difference]: Finished difference Result 740 states and 1002 transitions. [2024-11-23 22:54:01,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 22:54:01,406 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 108 [2024-11-23 22:54:01,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:54:01,410 INFO L225 Difference]: With dead ends: 740 [2024-11-23 22:54:01,410 INFO L226 Difference]: Without dead ends: 525 [2024-11-23 22:54:01,411 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-23 22:54:01,412 INFO L435 NwaCegarLoop]: 124 mSDtfsCounter, 206 mSDsluCounter, 544 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 668 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 22:54:01,413 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 668 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 22:54:01,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 525 states. [2024-11-23 22:54:01,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 525 to 310. [2024-11-23 22:54:01,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 276 states have (on average 1.315217391304348) internal successors, (363), 277 states have internal predecessors, (363), 28 states have call successors, (28), 5 states have call predecessors, (28), 5 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-23 22:54:01,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 419 transitions. [2024-11-23 22:54:01,444 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 419 transitions. Word has length 108 [2024-11-23 22:54:01,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:54:01,445 INFO L471 AbstractCegarLoop]: Abstraction has 310 states and 419 transitions. [2024-11-23 22:54:01,445 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 22:54:01,445 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 419 transitions. [2024-11-23 22:54:01,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-23 22:54:01,449 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:54:01,449 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:54:01,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-23 22:54:01,650 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-23 22:54:01,651 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:54:01,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:54:01,651 INFO L85 PathProgramCache]: Analyzing trace with hash -246100214, now seen corresponding path program 1 times [2024-11-23 22:54:01,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:54:01,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911232297] [2024-11-23 22:54:01,651 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:54:01,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:54:01,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:54:02,711 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-23 22:54:02,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:54:02,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911232297] [2024-11-23 22:54:02,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911232297] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:54:02,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:54:02,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-23 22:54:02,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888916158] [2024-11-23 22:54:02,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:54:02,712 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-23 22:54:02,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:54:02,713 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-23 22:54:02,713 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-23 22:54:02,713 INFO L87 Difference]: Start difference. First operand 310 states and 419 transitions. Second operand has 10 states, 9 states have (on average 6.555555555555555) internal successors, (59), 10 states have internal predecessors, (59), 2 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-23 22:54:03,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:54:03,547 INFO L93 Difference]: Finished difference Result 634 states and 856 transitions. [2024-11-23 22:54:03,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 22:54:03,548 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.555555555555555) internal successors, (59), 10 states have internal predecessors, (59), 2 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) Word has length 108 [2024-11-23 22:54:03,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:54:03,551 INFO L225 Difference]: With dead ends: 634 [2024-11-23 22:54:03,551 INFO L226 Difference]: Without dead ends: 417 [2024-11-23 22:54:03,551 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-23 22:54:03,552 INFO L435 NwaCegarLoop]: 212 mSDtfsCounter, 101 mSDsluCounter, 1141 mSDsCounter, 0 mSdLazyCounter, 411 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 1353 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 411 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-23 22:54:03,552 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 1353 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 411 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-23 22:54:03,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2024-11-23 22:54:03,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 344. [2024-11-23 22:54:03,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 344 states, 310 states have (on average 1.3225806451612903) internal successors, (410), 311 states have internal predecessors, (410), 28 states have call successors, (28), 5 states have call predecessors, (28), 5 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-23 22:54:03,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 466 transitions. [2024-11-23 22:54:03,577 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 466 transitions. Word has length 108 [2024-11-23 22:54:03,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:54:03,577 INFO L471 AbstractCegarLoop]: Abstraction has 344 states and 466 transitions. [2024-11-23 22:54:03,577 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.555555555555555) internal successors, (59), 10 states have internal predecessors, (59), 2 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-23 22:54:03,577 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 466 transitions. [2024-11-23 22:54:03,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-23 22:54:03,579 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:54:03,579 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:54:03,579 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-23 22:54:03,579 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:54:03,580 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:54:03,580 INFO L85 PathProgramCache]: Analyzing trace with hash -872905945, now seen corresponding path program 1 times [2024-11-23 22:54:03,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:54:03,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651826223] [2024-11-23 22:54:03,580 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:54:03,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:54:03,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-23 22:54:03,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [752951066] [2024-11-23 22:54:03,678 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:54:03,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:54:03,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:54:03,684 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 22:54:03,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-23 22:54:03,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:54:03,960 INFO L256 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-23 22:54:03,964 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:54:03,985 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 22:54:03,985 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 19 treesize of output 9 [2024-11-23 22:54:04,033 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 7 [2024-11-23 22:54:04,049 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 22:54:04,049 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 22:54:04,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:54:04,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651826223] [2024-11-23 22:54:04,049 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-23 22:54:04,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [752951066] [2024-11-23 22:54:04,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [752951066] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:54:04,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:54:04,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 22:54:04,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000876149] [2024-11-23 22:54:04,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:54:04,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 22:54:04,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:54:04,050 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 22:54:04,050 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-23 22:54:04,050 INFO L87 Difference]: Start difference. First operand 344 states and 466 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 22:54:04,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:54:04,155 INFO L93 Difference]: Finished difference Result 764 states and 1037 transitions. [2024-11-23 22:54:04,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 22:54:04,156 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 109 [2024-11-23 22:54:04,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:54:04,158 INFO L225 Difference]: With dead ends: 764 [2024-11-23 22:54:04,158 INFO L226 Difference]: Without dead ends: 528 [2024-11-23 22:54:04,159 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-23 22:54:04,163 INFO L435 NwaCegarLoop]: 177 mSDtfsCounter, 116 mSDsluCounter, 475 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 652 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 22:54:04,163 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 652 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 22:54:04,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2024-11-23 22:54:04,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 344. [2024-11-23 22:54:04,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 344 states, 310 states have (on average 1.3225806451612903) internal successors, (410), 311 states have internal predecessors, (410), 28 states have call successors, (28), 5 states have call predecessors, (28), 5 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-23 22:54:04,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 466 transitions. [2024-11-23 22:54:04,193 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 466 transitions. Word has length 109 [2024-11-23 22:54:04,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:54:04,193 INFO L471 AbstractCegarLoop]: Abstraction has 344 states and 466 transitions. [2024-11-23 22:54:04,193 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 22:54:04,194 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 466 transitions. [2024-11-23 22:54:04,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-23 22:54:04,195 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:54:04,195 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:54:04,205 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-23 22:54:04,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-23 22:54:04,396 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:54:04,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:54:04,396 INFO L85 PathProgramCache]: Analyzing trace with hash -53982099, now seen corresponding path program 1 times [2024-11-23 22:54:04,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:54:04,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452883364] [2024-11-23 22:54:04,396 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:54:04,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:54:04,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-23 22:54:04,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [54952685] [2024-11-23 22:54:04,482 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:54:04,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:54:04,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:54:04,486 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 22:54:04,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-23 22:54:04,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:54:04,917 INFO L256 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-23 22:54:04,924 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:54:05,010 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-23 22:54:05,088 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2024-11-23 22:54:05,267 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 22:54:05,267 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 34 treesize of output 12 [2024-11-23 22:54:05,286 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 22:54:05,287 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 22:54:05,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:54:05,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452883364] [2024-11-23 22:54:05,287 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-23 22:54:05,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [54952685] [2024-11-23 22:54:05,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [54952685] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:54:05,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:54:05,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-23 22:54:05,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419005078] [2024-11-23 22:54:05,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:54:05,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-23 22:54:05,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:54:05,289 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-23 22:54:05,289 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-23 22:54:05,290 INFO L87 Difference]: Start difference. First operand 344 states and 466 transitions. Second operand has 8 states, 8 states have (on average 7.125) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 22:54:05,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:54:05,738 INFO L93 Difference]: Finished difference Result 891 states and 1216 transitions. [2024-11-23 22:54:05,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 22:54:05,738 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 109 [2024-11-23 22:54:05,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:54:05,742 INFO L225 Difference]: With dead ends: 891 [2024-11-23 22:54:05,742 INFO L226 Difference]: Without dead ends: 634 [2024-11-23 22:54:05,743 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2024-11-23 22:54:05,743 INFO L435 NwaCegarLoop]: 165 mSDtfsCounter, 242 mSDsluCounter, 715 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 880 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 22:54:05,744 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 880 Invalid, 256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 22:54:05,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 634 states. [2024-11-23 22:54:05,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 634 to 364. [2024-11-23 22:54:05,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 330 states have (on average 1.3272727272727274) internal successors, (438), 331 states have internal predecessors, (438), 28 states have call successors, (28), 5 states have call predecessors, (28), 5 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-23 22:54:05,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 494 transitions. [2024-11-23 22:54:05,769 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 494 transitions. Word has length 109 [2024-11-23 22:54:05,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:54:05,769 INFO L471 AbstractCegarLoop]: Abstraction has 364 states and 494 transitions. [2024-11-23 22:54:05,769 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 22:54:05,769 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 494 transitions. [2024-11-23 22:54:05,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-23 22:54:05,771 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:54:05,771 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:54:05,781 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-23 22:54:05,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-23 22:54:05,972 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:54:05,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:54:05,972 INFO L85 PathProgramCache]: Analyzing trace with hash 1659459177, now seen corresponding path program 1 times [2024-11-23 22:54:05,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:54:05,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474410029] [2024-11-23 22:54:05,973 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:54:05,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:54:06,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-23 22:54:06,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [80658793] [2024-11-23 22:54:06,034 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:54:06,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:54:06,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:54:06,036 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 22:54:06,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-23 22:54:06,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:54:06,685 INFO L256 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-23 22:54:06,691 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:54:06,950 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 3 [2024-11-23 22:54:07,057 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 3 [2024-11-23 22:54:07,183 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-11-23 22:54:07,401 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 [2024-11-23 22:54:07,419 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 7 treesize of output 3 [2024-11-23 22:54:07,474 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 7 [2024-11-23 22:54:07,563 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 6 proven. 144 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-11-23 22:54:07,563 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 22:54:08,319 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 7 [2024-11-23 22:54:08,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:54:08,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474410029] [2024-11-23 22:54:08,733 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-23 22:54:08,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [80658793] [2024-11-23 22:54:08,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [80658793] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 22:54:08,733 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-23 22:54:08,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-23 22:54:08,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145835454] [2024-11-23 22:54:08,733 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-23 22:54:08,733 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-23 22:54:08,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:54:08,734 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-23 22:54:08,734 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2024-11-23 22:54:08,735 INFO L87 Difference]: Start difference. First operand 364 states and 494 transitions. Second operand has 13 states, 12 states have (on average 5.583333333333333) internal successors, (67), 11 states have internal predecessors, (67), 4 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-23 22:54:09,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:54:09,858 INFO L93 Difference]: Finished difference Result 953 states and 1295 transitions. [2024-11-23 22:54:09,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-23 22:54:09,858 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.583333333333333) internal successors, (67), 11 states have internal predecessors, (67), 4 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 110 [2024-11-23 22:54:09,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:54:09,864 INFO L225 Difference]: With dead ends: 953 [2024-11-23 22:54:09,864 INFO L226 Difference]: Without dead ends: 698 [2024-11-23 22:54:09,865 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=114, Invalid=486, Unknown=0, NotChecked=0, Total=600 [2024-11-23 22:54:09,866 INFO L435 NwaCegarLoop]: 166 mSDtfsCounter, 234 mSDsluCounter, 1462 mSDsCounter, 0 mSdLazyCounter, 595 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 1628 SdHoareTripleChecker+Invalid, 598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 595 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-23 22:54:09,866 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 1628 Invalid, 598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 595 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-23 22:54:09,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 698 states. [2024-11-23 22:54:09,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 698 to 419. [2024-11-23 22:54:09,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 419 states, 384 states have (on average 1.3411458333333333) internal successors, (515), 385 states have internal predecessors, (515), 28 states have call successors, (28), 6 states have call predecessors, (28), 6 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-23 22:54:09,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 571 transitions. [2024-11-23 22:54:09,895 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 571 transitions. Word has length 110 [2024-11-23 22:54:09,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:54:09,895 INFO L471 AbstractCegarLoop]: Abstraction has 419 states and 571 transitions. [2024-11-23 22:54:09,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.583333333333333) internal successors, (67), 11 states have internal predecessors, (67), 4 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-23 22:54:09,896 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 571 transitions. [2024-11-23 22:54:09,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-23 22:54:09,897 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:54:09,897 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:54:09,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-23 22:54:10,102 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-23 22:54:10,102 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:54:10,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:54:10,103 INFO L85 PathProgramCache]: Analyzing trace with hash -1591807511, now seen corresponding path program 1 times [2024-11-23 22:54:10,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:54:10,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763015099] [2024-11-23 22:54:10,103 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:54:10,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:54:10,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-23 22:54:10,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1880276990] [2024-11-23 22:54:10,183 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:54:10,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:54:10,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:54:10,185 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 22:54:10,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-23 22:54:10,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:54:10,612 INFO L256 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-23 22:54:10,617 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:54:10,620 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 9 treesize of output 3 [2024-11-23 22:54:10,625 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-23 22:54:10,635 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2024-11-23 22:54:10,716 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 42 [2024-11-23 22:54:10,986 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 22:54:10,986 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 50 treesize of output 32 [2024-11-23 22:54:10,991 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 33 treesize of output 25 [2024-11-23 22:54:11,044 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 22:54:11,044 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 44 treesize of output 22 [2024-11-23 22:54:11,147 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 22:54:11,148 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 22:54:11,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:54:11,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763015099] [2024-11-23 22:54:11,148 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-23 22:54:11,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1880276990] [2024-11-23 22:54:11,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1880276990] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:54:11,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:54:11,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-23 22:54:11,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178390831] [2024-11-23 22:54:11,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:54:11,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 22:54:11,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:54:11,149 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 22:54:11,149 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-23 22:54:11,150 INFO L87 Difference]: Start difference. First operand 419 states and 571 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 22:54:15,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-23 22:54:15,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:54:15,884 INFO L93 Difference]: Finished difference Result 796 states and 1084 transitions. [2024-11-23 22:54:15,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 22:54:15,885 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 110 [2024-11-23 22:54:15,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:54:15,887 INFO L225 Difference]: With dead ends: 796 [2024-11-23 22:54:15,888 INFO L226 Difference]: Without dead ends: 539 [2024-11-23 22:54:15,888 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-23 22:54:15,889 INFO L435 NwaCegarLoop]: 217 mSDtfsCounter, 99 mSDsluCounter, 709 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 926 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-23 22:54:15,889 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 926 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2024-11-23 22:54:15,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2024-11-23 22:54:15,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 429. [2024-11-23 22:54:15,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 394 states have (on average 1.3401015228426396) internal successors, (528), 395 states have internal predecessors, (528), 28 states have call successors, (28), 6 states have call predecessors, (28), 6 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-23 22:54:15,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 584 transitions. [2024-11-23 22:54:15,915 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 584 transitions. Word has length 110 [2024-11-23 22:54:15,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:54:15,916 INFO L471 AbstractCegarLoop]: Abstraction has 429 states and 584 transitions. [2024-11-23 22:54:15,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 22:54:15,916 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 584 transitions. [2024-11-23 22:54:15,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-23 22:54:15,918 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:54:15,918 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:54:15,929 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-23 22:54:16,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-23 22:54:16,122 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:54:16,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:54:16,122 INFO L85 PathProgramCache]: Analyzing trace with hash 1701710694, now seen corresponding path program 1 times [2024-11-23 22:54:16,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:54:16,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127559959] [2024-11-23 22:54:16,123 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:54:16,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:54:16,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:54:16,279 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 22:54:16,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:54:16,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127559959] [2024-11-23 22:54:16,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127559959] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:54:16,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:54:16,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 22:54:16,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961827794] [2024-11-23 22:54:16,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:54:16,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 22:54:16,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:54:16,285 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 22:54:16,285 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 22:54:16,286 INFO L87 Difference]: Start difference. First operand 429 states and 584 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 22:54:16,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:54:16,479 INFO L93 Difference]: Finished difference Result 936 states and 1282 transitions. [2024-11-23 22:54:16,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 22:54:16,479 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 110 [2024-11-23 22:54:16,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:54:16,482 INFO L225 Difference]: With dead ends: 936 [2024-11-23 22:54:16,483 INFO L226 Difference]: Without dead ends: 661 [2024-11-23 22:54:16,484 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-23 22:54:16,485 INFO L435 NwaCegarLoop]: 194 mSDtfsCounter, 115 mSDsluCounter, 484 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 678 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 22:54:16,486 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 678 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 22:54:16,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 661 states. [2024-11-23 22:54:16,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 523. [2024-11-23 22:54:16,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 523 states, 488 states have (on average 1.3545081967213115) internal successors, (661), 489 states have internal predecessors, (661), 28 states have call successors, (28), 6 states have call predecessors, (28), 6 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-23 22:54:16,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 717 transitions. [2024-11-23 22:54:16,517 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 717 transitions. Word has length 110 [2024-11-23 22:54:16,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:54:16,518 INFO L471 AbstractCegarLoop]: Abstraction has 523 states and 717 transitions. [2024-11-23 22:54:16,518 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 22:54:16,518 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 717 transitions. [2024-11-23 22:54:16,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-23 22:54:16,519 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:54:16,519 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:54:16,520 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-23 22:54:16,520 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:54:16,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:54:16,520 INFO L85 PathProgramCache]: Analyzing trace with hash -2016113032, now seen corresponding path program 1 times [2024-11-23 22:54:16,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:54:16,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88618591] [2024-11-23 22:54:16,521 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:54:16,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:54:16,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:54:16,601 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 22:54:16,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:54:16,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88618591] [2024-11-23 22:54:16,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88618591] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:54:16,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:54:16,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 22:54:16,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687865453] [2024-11-23 22:54:16,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:54:16,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:54:16,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:54:16,604 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:54:16,604 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:54:16,604 INFO L87 Difference]: Start difference. First operand 523 states and 717 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 22:54:16,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:54:16,629 INFO L93 Difference]: Finished difference Result 860 states and 1184 transitions. [2024-11-23 22:54:16,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:54:16,630 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 110 [2024-11-23 22:54:16,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:54:16,632 INFO L225 Difference]: With dead ends: 860 [2024-11-23 22:54:16,633 INFO L226 Difference]: Without dead ends: 515 [2024-11-23 22:54:16,633 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:54:16,634 INFO L435 NwaCegarLoop]: 147 mSDtfsCounter, 0 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 22:54:16,634 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 290 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:54:16,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2024-11-23 22:54:16,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 515. [2024-11-23 22:54:16,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 515 states, 480 states have (on average 1.3520833333333333) internal successors, (649), 481 states have internal predecessors, (649), 28 states have call successors, (28), 6 states have call predecessors, (28), 6 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-23 22:54:16,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 705 transitions. [2024-11-23 22:54:16,667 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 705 transitions. Word has length 110 [2024-11-23 22:54:16,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:54:16,667 INFO L471 AbstractCegarLoop]: Abstraction has 515 states and 705 transitions. [2024-11-23 22:54:16,667 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 22:54:16,668 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 705 transitions. [2024-11-23 22:54:16,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-23 22:54:16,670 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:54:16,670 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:54:16,670 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-23 22:54:16,670 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:54:16,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:54:16,670 INFO L85 PathProgramCache]: Analyzing trace with hash 890182767, now seen corresponding path program 1 times [2024-11-23 22:54:16,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:54:16,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821756921] [2024-11-23 22:54:16,671 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:54:16,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:54:16,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:54:17,015 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 22:54:17,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:54:17,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821756921] [2024-11-23 22:54:17,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821756921] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:54:17,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:54:17,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 22:54:17,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322535669] [2024-11-23 22:54:17,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:54:17,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 22:54:17,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:54:17,016 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 22:54:17,016 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-23 22:54:17,017 INFO L87 Difference]: Start difference. First operand 515 states and 705 transitions. Second operand has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-23 22:54:17,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:54:17,102 INFO L93 Difference]: Finished difference Result 948 states and 1299 transitions. [2024-11-23 22:54:17,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 22:54:17,103 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) Word has length 110 [2024-11-23 22:54:17,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:54:17,106 INFO L225 Difference]: With dead ends: 948 [2024-11-23 22:54:17,106 INFO L226 Difference]: Without dead ends: 578 [2024-11-23 22:54:17,107 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-23 22:54:17,107 INFO L435 NwaCegarLoop]: 143 mSDtfsCounter, 67 mSDsluCounter, 543 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 686 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 22:54:17,108 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 686 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 22:54:17,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2024-11-23 22:54:17,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 488. [2024-11-23 22:54:17,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 488 states, 453 states have (on average 1.3200883002207506) internal successors, (598), 454 states have internal predecessors, (598), 28 states have call successors, (28), 6 states have call predecessors, (28), 6 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-23 22:54:17,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 654 transitions. [2024-11-23 22:54:17,134 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 654 transitions. Word has length 110 [2024-11-23 22:54:17,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:54:17,134 INFO L471 AbstractCegarLoop]: Abstraction has 488 states and 654 transitions. [2024-11-23 22:54:17,134 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-23 22:54:17,135 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 654 transitions. [2024-11-23 22:54:17,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-23 22:54:17,136 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:54:17,136 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:54:17,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-23 22:54:17,137 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:54:17,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:54:17,137 INFO L85 PathProgramCache]: Analyzing trace with hash -1933908245, now seen corresponding path program 1 times [2024-11-23 22:54:17,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:54:17,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226169253] [2024-11-23 22:54:17,137 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:54:17,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:54:17,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-23 22:54:17,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [586250610] [2024-11-23 22:54:17,203 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:54:17,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:54:17,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:54:17,205 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 22:54:17,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-23 22:54:17,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:54:17,632 INFO L256 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-23 22:54:17,636 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:54:17,642 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-23 22:54:17,649 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2024-11-23 22:54:17,825 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 22:54:17,825 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 22:54:17,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:54:17,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226169253] [2024-11-23 22:54:17,825 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-23 22:54:17,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [586250610] [2024-11-23 22:54:17,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [586250610] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:54:17,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:54:17,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 22:54:17,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228352663] [2024-11-23 22:54:17,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:54:17,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 22:54:17,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:54:17,827 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 22:54:17,827 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-23 22:54:17,828 INFO L87 Difference]: Start difference. First operand 488 states and 654 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, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 22:54:18,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:54:18,049 INFO L93 Difference]: Finished difference Result 904 states and 1213 transitions. [2024-11-23 22:54:18,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 22:54:18,053 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, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 110 [2024-11-23 22:54:18,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:54:18,055 INFO L225 Difference]: With dead ends: 904 [2024-11-23 22:54:18,056 INFO L226 Difference]: Without dead ends: 530 [2024-11-23 22:54:18,057 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-23 22:54:18,058 INFO L435 NwaCegarLoop]: 172 mSDtfsCounter, 177 mSDsluCounter, 464 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 636 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 22:54:18,058 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 636 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 22:54:18,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2024-11-23 22:54:18,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 456. [2024-11-23 22:54:18,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 456 states, 419 states have (on average 1.3174224343675418) internal successors, (552), 420 states have internal predecessors, (552), 28 states have call successors, (28), 8 states have call predecessors, (28), 8 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-23 22:54:18,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 608 transitions. [2024-11-23 22:54:18,092 INFO L78 Accepts]: Start accepts. Automaton has 456 states and 608 transitions. Word has length 110 [2024-11-23 22:54:18,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:54:18,093 INFO L471 AbstractCegarLoop]: Abstraction has 456 states and 608 transitions. [2024-11-23 22:54:18,093 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, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 22:54:18,093 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 608 transitions. [2024-11-23 22:54:18,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-23 22:54:18,094 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:54:18,095 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:54:18,106 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-23 22:54:18,299 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-23 22:54:18,299 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:54:18,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:54:18,299 INFO L85 PathProgramCache]: Analyzing trace with hash 1239417475, now seen corresponding path program 1 times [2024-11-23 22:54:18,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:54:18,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875147263] [2024-11-23 22:54:18,300 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:54:18,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:54:18,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-23 22:54:18,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1326966654] [2024-11-23 22:54:18,365 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:54:18,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:54:18,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:54:18,367 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 22:54:18,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-23 22:54:19,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 22:54:19,031 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 22:54:19,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 22:54:19,344 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 22:54:19,345 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 22:54:19,345 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-23 22:54:19,359 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-23 22:54:19,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:54:19,553 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] [2024-11-23 22:54:19,658 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 22:54:19,663 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 10:54:19 BoogieIcfgContainer [2024-11-23 22:54:19,663 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 22:54:19,663 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 22:54:19,663 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 22:54:19,664 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 22:54:19,664 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:53:44" (3/4) ... [2024-11-23 22:54:19,667 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-23 22:54:19,668 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 22:54:19,668 INFO L158 Benchmark]: Toolchain (without parser) took 36640.11ms. Allocated memory was 117.4MB in the beginning and 293.6MB in the end (delta: 176.2MB). Free memory was 92.5MB in the beginning and 137.0MB in the end (delta: -44.4MB). Peak memory consumption was 132.9MB. Max. memory is 16.1GB. [2024-11-23 22:54:19,668 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 117.4MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:54:19,669 INFO L158 Benchmark]: CACSL2BoogieTranslator took 346.60ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 77.5MB in the end (delta: 14.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 22:54:19,669 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.78ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 73.0MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:54:19,669 INFO L158 Benchmark]: Boogie Preprocessor took 107.32ms. Allocated memory is still 117.4MB. Free memory was 73.0MB in the beginning and 67.7MB in the end (delta: 5.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 22:54:19,670 INFO L158 Benchmark]: RCFGBuilder took 1096.29ms. Allocated memory is still 117.4MB. Free memory was 67.7MB in the beginning and 84.2MB in the end (delta: -16.5MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB. [2024-11-23 22:54:19,670 INFO L158 Benchmark]: TraceAbstraction took 34994.90ms. Allocated memory was 117.4MB in the beginning and 293.6MB in the end (delta: 176.2MB). Free memory was 83.7MB in the beginning and 137.0MB in the end (delta: -53.3MB). Peak memory consumption was 126.3MB. Max. memory is 16.1GB. [2024-11-23 22:54:19,670 INFO L158 Benchmark]: Witness Printer took 4.20ms. Allocated memory is still 293.6MB. Free memory was 137.0MB in the beginning and 137.0MB in the end (delta: 39.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:54:19,671 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 117.4MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 346.60ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 77.5MB in the end (delta: 14.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.78ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 73.0MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 107.32ms. Allocated memory is still 117.4MB. Free memory was 73.0MB in the beginning and 67.7MB in the end (delta: 5.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1096.29ms. Allocated memory is still 117.4MB. Free memory was 67.7MB in the beginning and 84.2MB in the end (delta: -16.5MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB. * TraceAbstraction took 34994.90ms. Allocated memory was 117.4MB in the beginning and 293.6MB in the end (delta: 176.2MB). Free memory was 83.7MB in the beginning and 137.0MB in the end (delta: -53.3MB). Peak memory consumption was 126.3MB. Max. memory is 16.1GB. * Witness Printer took 4.20ms. Allocated memory is still 293.6MB. Free memory was 137.0MB in the beginning and 137.0MB in the end (delta: 39.2kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 58, overapproximation of someBinaryDOUBLEComparisonOperation at line 95, overapproximation of someBinaryDOUBLEComparisonOperation at line 79, overapproximation of someBinaryDOUBLEComparisonOperation at line 77, overapproximation of someBinaryDOUBLEComparisonOperation at line 77, overapproximation of someBinaryDOUBLEComparisonOperation at line 79. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[1] = { 0 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[1] = { 0 }; [L25-L27] double double_Array_0[5] = { 24.8, 0.8, 127.625, 128.75, 1.5 }; [L25-L27] double double_Array_0[5] = { 24.8, 0.8, 127.625, 128.75, 1.5 }; [L25-L27] double double_Array_0[5] = { 24.8, 0.8, 127.625, 128.75, 1.5 }; [L25-L27] double double_Array_0[5] = { 24.8, 0.8, 127.625, 128.75, 1.5 }; [L25-L27] double double_Array_0[5] = { 24.8, 0.8, 127.625, 128.75, 1.5 }; [L25-L27] double double_Array_0[5] = { 24.8, 0.8, 127.625, 128.75, 1.5 }; [L28-L30] signed char signed_char_Array_0[2] = { 5, 64 }; [L28-L30] signed char signed_char_Array_0[2] = { 5, 64 }; [L28-L30] signed char signed_char_Array_0[2] = { 5, 64 }; [L31-L33] signed short int signed_short_int_Array_0[1] = { -128 }; [L31-L33] signed short int signed_short_int_Array_0[1] = { -128 }; [L34-L36] unsigned char unsigned_char_Array_0[1] = { 4 }; [L34-L36] unsigned char unsigned_char_Array_0[1] = { 4 }; [L37-L39] unsigned short int unsigned_short_int_Array_0[2] = { 25, 128 }; [L37-L39] unsigned short int unsigned_short_int_Array_0[2] = { 25, 128 }; [L37-L39] unsigned short int unsigned_short_int_Array_0[2] = { 25, 128 }; [L40] unsigned short int last_1_unsigned_short_int_Array_0_1_ = 128; VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=0, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L99] isInitial = 1 [L100] FCALL initially() [L102] CALL updateLastVariables() [L92] EXPR unsigned_short_int_Array_0[1] [L92] last_1_unsigned_short_int_Array_0_1_ = unsigned_short_int_Array_0[1] [L102] RET updateLastVariables() [L103] CALL updateVariables() [L73] BOOL_unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L74] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L74] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L74] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L75] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L75] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L75] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L76] double_Array_0[1] = __VERIFIER_nondet_double() [L77] EXPR double_Array_0[1] [L77] EXPR double_Array_0[1] >= -461168.6018427382800e+13F && double_Array_0[1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L77] EXPR double_Array_0[1] >= -461168.6018427382800e+13F && double_Array_0[1] <= -1.0e-20F [L77] EXPR double_Array_0[1] [L77] EXPR double_Array_0[1] >= -461168.6018427382800e+13F && double_Array_0[1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L77] EXPR (double_Array_0[1] >= -461168.6018427382800e+13F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 4611686.018427382800e+12F && double_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L77] EXPR (double_Array_0[1] >= -461168.6018427382800e+13F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 4611686.018427382800e+12F && double_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L77] CALL assume_abort_if_not((double_Array_0[1] >= -461168.6018427382800e+13F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 4611686.018427382800e+12F && double_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L77] RET assume_abort_if_not((double_Array_0[1] >= -461168.6018427382800e+13F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 4611686.018427382800e+12F && double_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L78] double_Array_0[3] = __VERIFIER_nondet_double() [L79] EXPR double_Array_0[3] [L79] EXPR double_Array_0[3] >= -461168.6018427382800e+13F && double_Array_0[3] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L79] EXPR double_Array_0[3] >= -461168.6018427382800e+13F && double_Array_0[3] <= -1.0e-20F [L79] EXPR double_Array_0[3] [L79] EXPR double_Array_0[3] >= -461168.6018427382800e+13F && double_Array_0[3] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L79] EXPR (double_Array_0[3] >= -461168.6018427382800e+13F && double_Array_0[3] <= -1.0e-20F) || (double_Array_0[3] <= 4611686.018427382800e+12F && double_Array_0[3] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L79] EXPR (double_Array_0[3] >= -461168.6018427382800e+13F && double_Array_0[3] <= -1.0e-20F) || (double_Array_0[3] <= 4611686.018427382800e+12F && double_Array_0[3] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L79] CALL assume_abort_if_not((double_Array_0[3] >= -461168.6018427382800e+13F && double_Array_0[3] <= -1.0e-20F) || (double_Array_0[3] <= 4611686.018427382800e+12F && double_Array_0[3] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L79] RET assume_abort_if_not((double_Array_0[3] >= -461168.6018427382800e+13F && double_Array_0[3] <= -1.0e-20F) || (double_Array_0[3] <= 4611686.018427382800e+12F && double_Array_0[3] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L80] signed_char_Array_0[0] = __VERIFIER_nondet_char() [L81] EXPR signed_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L81] CALL assume_abort_if_not(signed_char_Array_0[0] >= -127) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L81] RET assume_abort_if_not(signed_char_Array_0[0] >= -127) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L82] EXPR signed_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L82] CALL assume_abort_if_not(signed_char_Array_0[0] <= 126) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L82] RET assume_abort_if_not(signed_char_Array_0[0] <= 126) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L83] unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L84] EXPR unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L84] CALL assume_abort_if_not(unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L84] RET assume_abort_if_not(unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L85] EXPR unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L85] CALL assume_abort_if_not(unsigned_char_Array_0[0] <= 255) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L85] RET assume_abort_if_not(unsigned_char_Array_0[0] <= 255) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L86] EXPR unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L86] CALL assume_abort_if_not(unsigned_char_Array_0[0] != 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L86] RET assume_abort_if_not(unsigned_char_Array_0[0] != 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L87] unsigned_short_int_Array_0[0] = __VERIFIER_nondet_ushort() [L88] EXPR unsigned_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L88] CALL assume_abort_if_not(unsigned_short_int_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L88] RET assume_abort_if_not(unsigned_short_int_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L89] EXPR unsigned_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L89] CALL assume_abort_if_not(unsigned_short_int_Array_0[0] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L89] RET assume_abort_if_not(unsigned_short_int_Array_0[0] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L103] RET updateVariables() [L104] CALL step() [L44] signed_short_int_Array_0[0] = 200 [L45] EXPR signed_char_Array_0[0] [L45] signed_char_Array_0[1] = signed_char_Array_0[0] [L46] EXPR double_Array_0[1] [L46] double_Array_0[4] = double_Array_0[1] [L47] EXPR unsigned_short_int_Array_0[0] [L47] EXPR unsigned_char_Array_0[0] [L47] signed long int stepLocal_0 = unsigned_short_int_Array_0[0] / unsigned_char_Array_0[0]; [L48] BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L48] COND FALSE !(BOOL_unsigned_char_Array_0[0]) [L51] EXPR signed_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L51] EXPR (((last_1_unsigned_short_int_Array_0_1_ * signed_char_Array_0[1])) < ((~ last_1_unsigned_short_int_Array_0_1_))) ? ((last_1_unsigned_short_int_Array_0_1_ * signed_char_Array_0[1])) : ((~ last_1_unsigned_short_int_Array_0_1_)) [L51] EXPR (((last_1_unsigned_short_int_Array_0_1_ * signed_char_Array_0[1])) < ((~ last_1_unsigned_short_int_Array_0_1_))) ? ((last_1_unsigned_short_int_Array_0_1_ * signed_char_Array_0[1])) : ((~ last_1_unsigned_short_int_Array_0_1_)) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, stepLocal_0=0, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L51] COND TRUE stepLocal_0 >= (((((last_1_unsigned_short_int_Array_0_1_ * signed_char_Array_0[1])) < ((~ last_1_unsigned_short_int_Array_0_1_))) ? ((last_1_unsigned_short_int_Array_0_1_ * signed_char_Array_0[1])) : ((~ last_1_unsigned_short_int_Array_0_1_)))) [L52] EXPR unsigned_char_Array_0[0] [L52] unsigned_short_int_Array_0[1] = unsigned_char_Array_0[0] [L57] EXPR unsigned_short_int_Array_0[0] [L57] EXPR unsigned_short_int_Array_0[1] [L57] signed long int stepLocal_2 = unsigned_short_int_Array_0[0] + unsigned_short_int_Array_0[1]; [L58] EXPR signed_short_int_Array_0[0] [L58] EXPR signed_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L58] EXPR signed_short_int_Array_0[0] ^ signed_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, stepLocal_2=125, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L58] signed long int stepLocal_1 = signed_short_int_Array_0[0] ^ signed_char_Array_0[1]; [L59] EXPR signed_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L59] COND FALSE !(signed_char_Array_0[1] <= stepLocal_2) [L66] EXPR double_Array_0[1] [L66] double_Array_0[2] = double_Array_0[1] [L68] EXPR signed_char_Array_0[1] [L68] EXPR signed_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L68] COND FALSE !(signed_char_Array_0[1] > signed_char_Array_0[1]) [L104] RET step() [L105] CALL, EXPR property() [L95] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L95] EXPR BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (((((((unsigned_short_int_Array_0[0]) < 0 ) ? -(unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))) < 0 ) ? -((((unsigned_short_int_Array_0[0]) < 0 ) ? -(unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))) : ((((unsigned_short_int_Array_0[0]) < 0 ) ? -(unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))))))) : (((unsigned_short_int_Array_0[0] / unsigned_char_Array_0[0]) >= (((((last_1_unsigned_short_int_Array_0_1_ * signed_char_Array_0[1])) < ((~ last_1_unsigned_short_int_Array_0_1_))) ? ((last_1_unsigned_short_int_Array_0_1_ * signed_char_Array_0[1])) : ((~ last_1_unsigned_short_int_Array_0_1_))))) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_char_Array_0[0])) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0]))) [L95] EXPR unsigned_short_int_Array_0[0] [L95] EXPR unsigned_char_Array_0[0] [L95] EXPR signed_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L95] EXPR (((last_1_unsigned_short_int_Array_0_1_ * signed_char_Array_0[1])) < ((~ last_1_unsigned_short_int_Array_0_1_))) ? ((last_1_unsigned_short_int_Array_0_1_ * signed_char_Array_0[1])) : ((~ last_1_unsigned_short_int_Array_0_1_)) [L95] EXPR (((last_1_unsigned_short_int_Array_0_1_ * signed_char_Array_0[1])) < ((~ last_1_unsigned_short_int_Array_0_1_))) ? ((last_1_unsigned_short_int_Array_0_1_ * signed_char_Array_0[1])) : ((~ last_1_unsigned_short_int_Array_0_1_)) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L95] EXPR ((unsigned_short_int_Array_0[0] / unsigned_char_Array_0[0]) >= (((((last_1_unsigned_short_int_Array_0_1_ * signed_char_Array_0[1])) < ((~ last_1_unsigned_short_int_Array_0_1_))) ? ((last_1_unsigned_short_int_Array_0_1_ * signed_char_Array_0[1])) : ((~ last_1_unsigned_short_int_Array_0_1_))))) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_char_Array_0[0])) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0])) [L95] EXPR unsigned_short_int_Array_0[1] [L95] EXPR unsigned_char_Array_0[0] [L95] EXPR ((unsigned_short_int_Array_0[0] / unsigned_char_Array_0[0]) >= (((((last_1_unsigned_short_int_Array_0_1_ * signed_char_Array_0[1])) < ((~ last_1_unsigned_short_int_Array_0_1_))) ? ((last_1_unsigned_short_int_Array_0_1_ * signed_char_Array_0[1])) : ((~ last_1_unsigned_short_int_Array_0_1_))))) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_char_Array_0[0])) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L95] EXPR BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (((((((unsigned_short_int_Array_0[0]) < 0 ) ? -(unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))) < 0 ) ? -((((unsigned_short_int_Array_0[0]) < 0 ) ? -(unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))) : ((((unsigned_short_int_Array_0[0]) < 0 ) ? -(unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))))))) : (((unsigned_short_int_Array_0[0] / unsigned_char_Array_0[0]) >= (((((last_1_unsigned_short_int_Array_0_1_ * signed_char_Array_0[1])) < ((~ last_1_unsigned_short_int_Array_0_1_))) ? ((last_1_unsigned_short_int_Array_0_1_ * signed_char_Array_0[1])) : ((~ last_1_unsigned_short_int_Array_0_1_))))) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_char_Array_0[0])) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0]))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L95] EXPR (BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (((((((unsigned_short_int_Array_0[0]) < 0 ) ? -(unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))) < 0 ) ? -((((unsigned_short_int_Array_0[0]) < 0 ) ? -(unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))) : ((((unsigned_short_int_Array_0[0]) < 0 ) ? -(unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))))))) : (((unsigned_short_int_Array_0[0] / unsigned_char_Array_0[0]) >= (((((last_1_unsigned_short_int_Array_0_1_ * signed_char_Array_0[1])) < ((~ last_1_unsigned_short_int_Array_0_1_))) ? ((last_1_unsigned_short_int_Array_0_1_ * signed_char_Array_0[1])) : ((~ last_1_unsigned_short_int_Array_0_1_))))) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_char_Array_0[0])) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0])))) && ((signed_char_Array_0[1] <= (unsigned_short_int_Array_0[0] + unsigned_short_int_Array_0[1])) ? ((unsigned_short_int_Array_0[1] == (signed_short_int_Array_0[0] ^ signed_char_Array_0[1])) ? (double_Array_0[2] == ((double) (((((double_Array_0[1]) < 0 ) ? -(double_Array_0[1]) : (double_Array_0[1]))) + double_Array_0[3]))) : (double_Array_0[2] == ((double) double_Array_0[3]))) : (double_Array_0[2] == ((double) double_Array_0[1]))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L95] EXPR (BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (((((((unsigned_short_int_Array_0[0]) < 0 ) ? -(unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))) < 0 ) ? -((((unsigned_short_int_Array_0[0]) < 0 ) ? -(unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))) : ((((unsigned_short_int_Array_0[0]) < 0 ) ? -(unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))))))) : (((unsigned_short_int_Array_0[0] / unsigned_char_Array_0[0]) >= (((((last_1_unsigned_short_int_Array_0_1_ * signed_char_Array_0[1])) < ((~ last_1_unsigned_short_int_Array_0_1_))) ? ((last_1_unsigned_short_int_Array_0_1_ * signed_char_Array_0[1])) : ((~ last_1_unsigned_short_int_Array_0_1_))))) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_char_Array_0[0])) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0])))) && ((signed_char_Array_0[1] <= (unsigned_short_int_Array_0[0] + unsigned_short_int_Array_0[1])) ? ((unsigned_short_int_Array_0[1] == (signed_short_int_Array_0[0] ^ signed_char_Array_0[1])) ? (double_Array_0[2] == ((double) (((((double_Array_0[1]) < 0 ) ? -(double_Array_0[1]) : (double_Array_0[1]))) + double_Array_0[3]))) : (double_Array_0[2] == ((double) double_Array_0[3]))) : (double_Array_0[2] == ((double) double_Array_0[1]))) [L95] EXPR signed_char_Array_0[1] [L95] EXPR unsigned_short_int_Array_0[0] [L95] EXPR unsigned_short_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L95] EXPR (signed_char_Array_0[1] <= (unsigned_short_int_Array_0[0] + unsigned_short_int_Array_0[1])) ? ((unsigned_short_int_Array_0[1] == (signed_short_int_Array_0[0] ^ signed_char_Array_0[1])) ? (double_Array_0[2] == ((double) (((((double_Array_0[1]) < 0 ) ? -(double_Array_0[1]) : (double_Array_0[1]))) + double_Array_0[3]))) : (double_Array_0[2] == ((double) double_Array_0[3]))) : (double_Array_0[2] == ((double) double_Array_0[1])) [L95] EXPR double_Array_0[2] [L95] EXPR double_Array_0[1] [L95] EXPR (signed_char_Array_0[1] <= (unsigned_short_int_Array_0[0] + unsigned_short_int_Array_0[1])) ? ((unsigned_short_int_Array_0[1] == (signed_short_int_Array_0[0] ^ signed_char_Array_0[1])) ? (double_Array_0[2] == ((double) (((((double_Array_0[1]) < 0 ) ? -(double_Array_0[1]) : (double_Array_0[1]))) + double_Array_0[3]))) : (double_Array_0[2] == ((double) double_Array_0[3]))) : (double_Array_0[2] == ((double) double_Array_0[1])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L95] EXPR (BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (((((((unsigned_short_int_Array_0[0]) < 0 ) ? -(unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))) < 0 ) ? -((((unsigned_short_int_Array_0[0]) < 0 ) ? -(unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))) : ((((unsigned_short_int_Array_0[0]) < 0 ) ? -(unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))))))) : (((unsigned_short_int_Array_0[0] / unsigned_char_Array_0[0]) >= (((((last_1_unsigned_short_int_Array_0_1_ * signed_char_Array_0[1])) < ((~ last_1_unsigned_short_int_Array_0_1_))) ? ((last_1_unsigned_short_int_Array_0_1_ * signed_char_Array_0[1])) : ((~ last_1_unsigned_short_int_Array_0_1_))))) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_char_Array_0[0])) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0])))) && ((signed_char_Array_0[1] <= (unsigned_short_int_Array_0[0] + unsigned_short_int_Array_0[1])) ? ((unsigned_short_int_Array_0[1] == (signed_short_int_Array_0[0] ^ signed_char_Array_0[1])) ? (double_Array_0[2] == ((double) (((((double_Array_0[1]) < 0 ) ? -(double_Array_0[1]) : (double_Array_0[1]))) + double_Array_0[3]))) : (double_Array_0[2] == ((double) double_Array_0[3]))) : (double_Array_0[2] == ((double) double_Array_0[1]))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L95] EXPR ((BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (((((((unsigned_short_int_Array_0[0]) < 0 ) ? -(unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))) < 0 ) ? -((((unsigned_short_int_Array_0[0]) < 0 ) ? -(unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))) : ((((unsigned_short_int_Array_0[0]) < 0 ) ? -(unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))))))) : (((unsigned_short_int_Array_0[0] / unsigned_char_Array_0[0]) >= (((((last_1_unsigned_short_int_Array_0_1_ * signed_char_Array_0[1])) < ((~ last_1_unsigned_short_int_Array_0_1_))) ? ((last_1_unsigned_short_int_Array_0_1_ * signed_char_Array_0[1])) : ((~ last_1_unsigned_short_int_Array_0_1_))))) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_char_Array_0[0])) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0])))) && ((signed_char_Array_0[1] <= (unsigned_short_int_Array_0[0] + unsigned_short_int_Array_0[1])) ? ((unsigned_short_int_Array_0[1] == (signed_short_int_Array_0[0] ^ signed_char_Array_0[1])) ? (double_Array_0[2] == ((double) (((((double_Array_0[1]) < 0 ) ? -(double_Array_0[1]) : (double_Array_0[1]))) + double_Array_0[3]))) : (double_Array_0[2] == ((double) double_Array_0[3]))) : (double_Array_0[2] == ((double) double_Array_0[1])))) && ((signed_char_Array_0[1] > signed_char_Array_0[1]) ? (double_Array_0[0] == ((double) ((((double_Array_0[3]) < (double_Array_0[1])) ? (double_Array_0[3]) : (double_Array_0[1]))))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L95] EXPR ((BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (((((((unsigned_short_int_Array_0[0]) < 0 ) ? -(unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))) < 0 ) ? -((((unsigned_short_int_Array_0[0]) < 0 ) ? -(unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))) : ((((unsigned_short_int_Array_0[0]) < 0 ) ? -(unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))))))) : (((unsigned_short_int_Array_0[0] / unsigned_char_Array_0[0]) >= (((((last_1_unsigned_short_int_Array_0_1_ * signed_char_Array_0[1])) < ((~ last_1_unsigned_short_int_Array_0_1_))) ? ((last_1_unsigned_short_int_Array_0_1_ * signed_char_Array_0[1])) : ((~ last_1_unsigned_short_int_Array_0_1_))))) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_char_Array_0[0])) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0])))) && ((signed_char_Array_0[1] <= (unsigned_short_int_Array_0[0] + unsigned_short_int_Array_0[1])) ? ((unsigned_short_int_Array_0[1] == (signed_short_int_Array_0[0] ^ signed_char_Array_0[1])) ? (double_Array_0[2] == ((double) (((((double_Array_0[1]) < 0 ) ? -(double_Array_0[1]) : (double_Array_0[1]))) + double_Array_0[3]))) : (double_Array_0[2] == ((double) double_Array_0[3]))) : (double_Array_0[2] == ((double) double_Array_0[1])))) && ((signed_char_Array_0[1] > signed_char_Array_0[1]) ? (double_Array_0[0] == ((double) ((((double_Array_0[3]) < (double_Array_0[1])) ? (double_Array_0[3]) : (double_Array_0[1]))))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L95] EXPR (((BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (((((((unsigned_short_int_Array_0[0]) < 0 ) ? -(unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))) < 0 ) ? -((((unsigned_short_int_Array_0[0]) < 0 ) ? -(unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))) : ((((unsigned_short_int_Array_0[0]) < 0 ) ? -(unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))))))) : (((unsigned_short_int_Array_0[0] / unsigned_char_Array_0[0]) >= (((((last_1_unsigned_short_int_Array_0_1_ * signed_char_Array_0[1])) < ((~ last_1_unsigned_short_int_Array_0_1_))) ? ((last_1_unsigned_short_int_Array_0_1_ * signed_char_Array_0[1])) : ((~ last_1_unsigned_short_int_Array_0_1_))))) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_char_Array_0[0])) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0])))) && ((signed_char_Array_0[1] <= (unsigned_short_int_Array_0[0] + unsigned_short_int_Array_0[1])) ? ((unsigned_short_int_Array_0[1] == (signed_short_int_Array_0[0] ^ signed_char_Array_0[1])) ? (double_Array_0[2] == ((double) (((((double_Array_0[1]) < 0 ) ? -(double_Array_0[1]) : (double_Array_0[1]))) + double_Array_0[3]))) : (double_Array_0[2] == ((double) double_Array_0[3]))) : (double_Array_0[2] == ((double) double_Array_0[1])))) && ((signed_char_Array_0[1] > signed_char_Array_0[1]) ? (double_Array_0[0] == ((double) ((((double_Array_0[3]) < (double_Array_0[1])) ? (double_Array_0[3]) : (double_Array_0[1]))))) : 1)) && (signed_short_int_Array_0[0] == ((signed short int) 200)) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L95] EXPR (((BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (((((((unsigned_short_int_Array_0[0]) < 0 ) ? -(unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))) < 0 ) ? -((((unsigned_short_int_Array_0[0]) < 0 ) ? -(unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))) : ((((unsigned_short_int_Array_0[0]) < 0 ) ? -(unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))))))) : (((unsigned_short_int_Array_0[0] / unsigned_char_Array_0[0]) >= (((((last_1_unsigned_short_int_Array_0_1_ * signed_char_Array_0[1])) < ((~ last_1_unsigned_short_int_Array_0_1_))) ? ((last_1_unsigned_short_int_Array_0_1_ * signed_char_Array_0[1])) : ((~ last_1_unsigned_short_int_Array_0_1_))))) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_char_Array_0[0])) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0])))) && ((signed_char_Array_0[1] <= (unsigned_short_int_Array_0[0] + unsigned_short_int_Array_0[1])) ? ((unsigned_short_int_Array_0[1] == (signed_short_int_Array_0[0] ^ signed_char_Array_0[1])) ? (double_Array_0[2] == ((double) (((((double_Array_0[1]) < 0 ) ? -(double_Array_0[1]) : (double_Array_0[1]))) + double_Array_0[3]))) : (double_Array_0[2] == ((double) double_Array_0[3]))) : (double_Array_0[2] == ((double) double_Array_0[1])))) && ((signed_char_Array_0[1] > signed_char_Array_0[1]) ? (double_Array_0[0] == ((double) ((((double_Array_0[3]) < (double_Array_0[1])) ? (double_Array_0[3]) : (double_Array_0[1]))))) : 1)) && (signed_short_int_Array_0[0] == ((signed short int) 200)) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L95] EXPR ((((BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (((((((unsigned_short_int_Array_0[0]) < 0 ) ? -(unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))) < 0 ) ? -((((unsigned_short_int_Array_0[0]) < 0 ) ? -(unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))) : ((((unsigned_short_int_Array_0[0]) < 0 ) ? -(unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))))))) : (((unsigned_short_int_Array_0[0] / unsigned_char_Array_0[0]) >= (((((last_1_unsigned_short_int_Array_0_1_ * signed_char_Array_0[1])) < ((~ last_1_unsigned_short_int_Array_0_1_))) ? ((last_1_unsigned_short_int_Array_0_1_ * signed_char_Array_0[1])) : ((~ last_1_unsigned_short_int_Array_0_1_))))) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_char_Array_0[0])) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0])))) && ((signed_char_Array_0[1] <= (unsigned_short_int_Array_0[0] + unsigned_short_int_Array_0[1])) ? ((unsigned_short_int_Array_0[1] == (signed_short_int_Array_0[0] ^ signed_char_Array_0[1])) ? (double_Array_0[2] == ((double) (((((double_Array_0[1]) < 0 ) ? -(double_Array_0[1]) : (double_Array_0[1]))) + double_Array_0[3]))) : (double_Array_0[2] == ((double) double_Array_0[3]))) : (double_Array_0[2] == ((double) double_Array_0[1])))) && ((signed_char_Array_0[1] > signed_char_Array_0[1]) ? (double_Array_0[0] == ((double) ((((double_Array_0[3]) < (double_Array_0[1])) ? (double_Array_0[3]) : (double_Array_0[1]))))) : 1)) && (signed_short_int_Array_0[0] == ((signed short int) 200))) && (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L95] EXPR ((((BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (((((((unsigned_short_int_Array_0[0]) < 0 ) ? -(unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))) < 0 ) ? -((((unsigned_short_int_Array_0[0]) < 0 ) ? -(unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))) : ((((unsigned_short_int_Array_0[0]) < 0 ) ? -(unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))))))) : (((unsigned_short_int_Array_0[0] / unsigned_char_Array_0[0]) >= (((((last_1_unsigned_short_int_Array_0_1_ * signed_char_Array_0[1])) < ((~ last_1_unsigned_short_int_Array_0_1_))) ? ((last_1_unsigned_short_int_Array_0_1_ * signed_char_Array_0[1])) : ((~ last_1_unsigned_short_int_Array_0_1_))))) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_char_Array_0[0])) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0])))) && ((signed_char_Array_0[1] <= (unsigned_short_int_Array_0[0] + unsigned_short_int_Array_0[1])) ? ((unsigned_short_int_Array_0[1] == (signed_short_int_Array_0[0] ^ signed_char_Array_0[1])) ? (double_Array_0[2] == ((double) (((((double_Array_0[1]) < 0 ) ? -(double_Array_0[1]) : (double_Array_0[1]))) + double_Array_0[3]))) : (double_Array_0[2] == ((double) double_Array_0[3]))) : (double_Array_0[2] == ((double) double_Array_0[1])))) && ((signed_char_Array_0[1] > signed_char_Array_0[1]) ? (double_Array_0[0] == ((double) ((((double_Array_0[3]) < (double_Array_0[1])) ? (double_Array_0[3]) : (double_Array_0[1]))))) : 1)) && (signed_short_int_Array_0[0] == ((signed short int) 200))) && (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L95] EXPR (((((BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (((((((unsigned_short_int_Array_0[0]) < 0 ) ? -(unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))) < 0 ) ? -((((unsigned_short_int_Array_0[0]) < 0 ) ? -(unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))) : ((((unsigned_short_int_Array_0[0]) < 0 ) ? -(unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))))))) : (((unsigned_short_int_Array_0[0] / unsigned_char_Array_0[0]) >= (((((last_1_unsigned_short_int_Array_0_1_ * signed_char_Array_0[1])) < ((~ last_1_unsigned_short_int_Array_0_1_))) ? ((last_1_unsigned_short_int_Array_0_1_ * signed_char_Array_0[1])) : ((~ last_1_unsigned_short_int_Array_0_1_))))) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_char_Array_0[0])) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0])))) && ((signed_char_Array_0[1] <= (unsigned_short_int_Array_0[0] + unsigned_short_int_Array_0[1])) ? ((unsigned_short_int_Array_0[1] == (signed_short_int_Array_0[0] ^ signed_char_Array_0[1])) ? (double_Array_0[2] == ((double) (((((double_Array_0[1]) < 0 ) ? -(double_Array_0[1]) : (double_Array_0[1]))) + double_Array_0[3]))) : (double_Array_0[2] == ((double) double_Array_0[3]))) : (double_Array_0[2] == ((double) double_Array_0[1])))) && ((signed_char_Array_0[1] > signed_char_Array_0[1]) ? (double_Array_0[0] == ((double) ((((double_Array_0[3]) < (double_Array_0[1])) ? (double_Array_0[3]) : (double_Array_0[1]))))) : 1)) && (signed_short_int_Array_0[0] == ((signed short int) 200))) && (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0]))) && (double_Array_0[4] == ((double) double_Array_0[1])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L95] EXPR (((((BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (((((((unsigned_short_int_Array_0[0]) < 0 ) ? -(unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))) < 0 ) ? -((((unsigned_short_int_Array_0[0]) < 0 ) ? -(unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))) : ((((unsigned_short_int_Array_0[0]) < 0 ) ? -(unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))))))) : (((unsigned_short_int_Array_0[0] / unsigned_char_Array_0[0]) >= (((((last_1_unsigned_short_int_Array_0_1_ * signed_char_Array_0[1])) < ((~ last_1_unsigned_short_int_Array_0_1_))) ? ((last_1_unsigned_short_int_Array_0_1_ * signed_char_Array_0[1])) : ((~ last_1_unsigned_short_int_Array_0_1_))))) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_char_Array_0[0])) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0])))) && ((signed_char_Array_0[1] <= (unsigned_short_int_Array_0[0] + unsigned_short_int_Array_0[1])) ? ((unsigned_short_int_Array_0[1] == (signed_short_int_Array_0[0] ^ signed_char_Array_0[1])) ? (double_Array_0[2] == ((double) (((((double_Array_0[1]) < 0 ) ? -(double_Array_0[1]) : (double_Array_0[1]))) + double_Array_0[3]))) : (double_Array_0[2] == ((double) double_Array_0[3]))) : (double_Array_0[2] == ((double) double_Array_0[1])))) && ((signed_char_Array_0[1] > signed_char_Array_0[1]) ? (double_Array_0[0] == ((double) ((((double_Array_0[3]) < (double_Array_0[1])) ? (double_Array_0[3]) : (double_Array_0[1]))))) : 1)) && (signed_short_int_Array_0[0] == ((signed short int) 200))) && (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0]))) && (double_Array_0[4] == ((double) double_Array_0[1])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L95-L96] return (((((BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (((((((unsigned_short_int_Array_0[0]) < 0 ) ? -(unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))) < 0 ) ? -((((unsigned_short_int_Array_0[0]) < 0 ) ? -(unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))) : ((((unsigned_short_int_Array_0[0]) < 0 ) ? -(unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))))))) : (((unsigned_short_int_Array_0[0] / unsigned_char_Array_0[0]) >= (((((last_1_unsigned_short_int_Array_0_1_ * signed_char_Array_0[1])) < ((~ last_1_unsigned_short_int_Array_0_1_))) ? ((last_1_unsigned_short_int_Array_0_1_ * signed_char_Array_0[1])) : ((~ last_1_unsigned_short_int_Array_0_1_))))) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_char_Array_0[0])) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0])))) && ((signed_char_Array_0[1] <= (unsigned_short_int_Array_0[0] + unsigned_short_int_Array_0[1])) ? ((unsigned_short_int_Array_0[1] == (signed_short_int_Array_0[0] ^ signed_char_Array_0[1])) ? (double_Array_0[2] == ((double) (((((double_Array_0[1]) < 0 ) ? -(double_Array_0[1]) : (double_Array_0[1]))) + double_Array_0[3]))) : (double_Array_0[2] == ((double) double_Array_0[3]))) : (double_Array_0[2] == ((double) double_Array_0[1])))) && ((signed_char_Array_0[1] > signed_char_Array_0[1]) ? (double_Array_0[0] == ((double) ((((double_Array_0[3]) < (double_Array_0[1])) ? (double_Array_0[3]) : (double_Array_0[1]))))) : 1)) && (signed_short_int_Array_0[0] == ((signed short int) 200))) && (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0]))) && (double_Array_0[4] == ((double) double_Array_0[1])) ; [L105] RET, EXPR property() [L105] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 112 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 34.8s, OverallIterations: 23, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 12.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3055 SdHoareTripleChecker+Valid, 10.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3036 mSDsluCounter, 16036 SdHoareTripleChecker+Invalid, 9.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12492 mSDsCounter, 211 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3961 IncrementalHoareTripleChecker+Invalid, 4172 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 211 mSolverCounterUnsat, 3544 mSDtfsCounter, 3961 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1342 GetRequests, 1158 SyntacticMatches, 2 SemanticMatches, 182 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 677 ImplicationChecksByTransitivity, 4.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=523occurred in iteration=19, InterpolantAutomatonStates: 175, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 22 MinimizatonAttempts, 2118 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 3.5s SatisfiabilityAnalysisTime, 12.6s InterpolantComputationTime, 3685 NumberOfCodeBlocks, 3685 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 2567 ConstructedInterpolants, 16 QuantifiedInterpolants, 9978 SizeOfPredicates, 83 NumberOfNonLiveVariables, 4103 ConjunctsInSsa, 195 ConjunctsInUnsatCore, 24 InterpolantComputations, 19 PerfectInterpolantSequences, 5101/5280 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-23 22:54:19,714 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/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_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/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_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-83.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/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_7641df60-4fc8-42c2-9f85-692d770811d4/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 f973a40b26aaa32bb1cc01afeff98c3363a14790c658d13c89361ba4409a62b2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 22:54:22,399 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 22:54:22,527 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-23 22:54:22,539 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 22:54:22,540 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 22:54:22,585 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 22:54:22,586 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 22:54:22,586 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 22:54:22,587 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 22:54:22,587 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 22:54:22,587 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 22:54:22,587 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 22:54:22,588 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 22:54:22,588 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 22:54:22,588 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 22:54:22,588 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 22:54:22,588 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 22:54:22,588 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 22:54:22,589 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 22:54:22,589 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 22:54:22,589 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 22:54:22,589 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 22:54:22,589 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 22:54:22,589 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-23 22:54:22,590 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-23 22:54:22,590 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-23 22:54:22,590 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 22:54:22,590 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 22:54:22,590 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 22:54:22,590 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 22:54:22,590 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 22:54:22,590 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:54:22,590 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 22:54:22,591 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 22:54:22,591 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:54:22,591 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 22:54:22,591 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:54:22,591 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 22:54:22,591 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 22:54:22,592 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:54:22,592 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 22:54:22,592 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 22:54:22,592 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 22:54:22,592 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 22:54:22,592 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-23 22:54:22,592 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-23 22:54:22,593 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 22:54:22,593 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 22:54:22,593 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 22:54:22,593 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 22:54:22,593 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_7641df60-4fc8-42c2-9f85-692d770811d4/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 -> f973a40b26aaa32bb1cc01afeff98c3363a14790c658d13c89361ba4409a62b2 [2024-11-23 22:54:22,924 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 22:54:22,933 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 22:54:22,935 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 22:54:22,936 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 22:54:22,937 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 22:54:22,938 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-83.i [2024-11-23 22:54:26,106 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/data/e616fa4b3/49bc26efe0c842faa31c1bf985034d79/FLAG2c136c3a1 [2024-11-23 22:54:26,393 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 22:54:26,393 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-83.i [2024-11-23 22:54:26,401 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/data/e616fa4b3/49bc26efe0c842faa31c1bf985034d79/FLAG2c136c3a1 [2024-11-23 22:54:26,414 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/data/e616fa4b3/49bc26efe0c842faa31c1bf985034d79 [2024-11-23 22:54:26,417 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 22:54:26,419 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 22:54:26,420 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 22:54:26,420 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 22:54:26,425 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 22:54:26,426 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:54:26" (1/1) ... [2024-11-23 22:54:26,427 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19e7ef68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:54:26, skipping insertion in model container [2024-11-23 22:54:26,427 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:54:26" (1/1) ... [2024-11-23 22:54:26,447 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 22:54:26,614 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-83.i[916,929] [2024-11-23 22:54:26,710 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:54:26,725 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 22:54:26,742 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_7641df60-4fc8-42c2-9f85-692d770811d4/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-83.i[916,929] [2024-11-23 22:54:26,843 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:54:26,881 INFO L204 MainTranslator]: Completed translation [2024-11-23 22:54:26,882 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:54:26 WrapperNode [2024-11-23 22:54:26,882 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 22:54:26,884 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 22:54:26,884 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 22:54:26,885 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 22:54:26,894 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:54:26" (1/1) ... [2024-11-23 22:54:26,919 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:54:26" (1/1) ... [2024-11-23 22:54:26,975 INFO L138 Inliner]: procedures = 33, calls = 158, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 497 [2024-11-23 22:54:26,976 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 22:54:26,977 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 22:54:26,977 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 22:54:26,977 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 22:54:26,991 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:54:26" (1/1) ... [2024-11-23 22:54:26,992 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:54:26" (1/1) ... [2024-11-23 22:54:27,005 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:54:26" (1/1) ... [2024-11-23 22:54:27,047 INFO L175 MemorySlicer]: Split 130 memory accesses to 7 slices as follows [2, 6, 47, 21, 5, 9, 40]. 36 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 1, 5, 2, 1, 1, 2]. The 16 writes are split as follows [0, 1, 7, 2, 1, 1, 4]. [2024-11-23 22:54:27,047 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:54:26" (1/1) ... [2024-11-23 22:54:27,047 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:54:26" (1/1) ... [2024-11-23 22:54:27,083 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:54:26" (1/1) ... [2024-11-23 22:54:27,084 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:54:26" (1/1) ... [2024-11-23 22:54:27,097 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:54:26" (1/1) ... [2024-11-23 22:54:27,104 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:54:26" (1/1) ... [2024-11-23 22:54:27,110 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:54:26" (1/1) ... [2024-11-23 22:54:27,119 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 22:54:27,123 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 22:54:27,123 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 22:54:27,123 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 22:54:27,124 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:54:26" (1/1) ... [2024-11-23 22:54:27,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:54:27,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:54:27,183 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 22:54:27,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 22:54:27,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 22:54:27,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-11-23 22:54:27,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-11-23 22:54:27,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-11-23 22:54:27,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-11-23 22:54:27,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-11-23 22:54:27,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2024-11-23 22:54:27,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6 [2024-11-23 22:54:27,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-11-23 22:54:27,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-11-23 22:54:27,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-11-23 22:54:27,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-11-23 22:54:27,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2024-11-23 22:54:27,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2024-11-23 22:54:27,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#6 [2024-11-23 22:54:27,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-23 22:54:27,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-23 22:54:27,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-23 22:54:27,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-23 22:54:27,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-23 22:54:27,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-23 22:54:27,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-23 22:54:27,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2024-11-23 22:54:27,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2024-11-23 22:54:27,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2024-11-23 22:54:27,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2024-11-23 22:54:27,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2024-11-23 22:54:27,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#5 [2024-11-23 22:54:27,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#6 [2024-11-23 22:54:27,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-23 22:54:27,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-23 22:54:27,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-23 22:54:27,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-23 22:54:27,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-23 22:54:27,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-23 22:54:27,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-23 22:54:27,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2024-11-23 22:54:27,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2024-11-23 22:54:27,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2024-11-23 22:54:27,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2024-11-23 22:54:27,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2024-11-23 22:54:27,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#5 [2024-11-23 22:54:27,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#6 [2024-11-23 22:54:27,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-23 22:54:27,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-23 22:54:27,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-11-23 22:54:27,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-11-23 22:54:27,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-11-23 22:54:27,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-11-23 22:54:27,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#6 [2024-11-23 22:54:27,219 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 22:54:27,219 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 22:54:27,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 22:54:27,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 22:54:27,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-23 22:54:27,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-23 22:54:27,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-23 22:54:27,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-23 22:54:27,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-23 22:54:27,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-23 22:54:27,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-23 22:54:27,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-11-23 22:54:27,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-11-23 22:54:27,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-11-23 22:54:27,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-11-23 22:54:27,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2024-11-23 22:54:27,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2024-11-23 22:54:27,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#6 [2024-11-23 22:54:27,446 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 22:54:27,448 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 22:54:29,294 INFO L? ?]: Removed 129 outVars from TransFormulas that were not future-live. [2024-11-23 22:54:29,294 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 22:54:29,309 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 22:54:29,311 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 22:54:29,311 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:54:29 BoogieIcfgContainer [2024-11-23 22:54:29,311 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 22:54:29,314 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 22:54:29,314 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 22:54:29,323 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 22:54:29,324 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:54:26" (1/3) ... [2024-11-23 22:54:29,325 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62fd2eb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:54:29, skipping insertion in model container [2024-11-23 22:54:29,325 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:54:26" (2/3) ... [2024-11-23 22:54:29,326 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62fd2eb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:54:29, skipping insertion in model container [2024-11-23 22:54:29,326 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:54:29" (3/3) ... [2024-11-23 22:54:29,327 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-83.i [2024-11-23 22:54:29,344 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 22:54:29,345 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-83.i that has 2 procedures, 103 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-23 22:54:29,429 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 22:54:29,466 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;@1331db98, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 22:54:29,466 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 22:54:29,471 INFO L276 IsEmpty]: Start isEmpty. Operand has 103 states, 89 states have (on average 1.449438202247191) internal successors, (129), 90 states have internal predecessors, (129), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-23 22:54:29,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-23 22:54:29,482 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:54:29,483 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:54:29,484 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:54:29,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:54:29,495 INFO L85 PathProgramCache]: Analyzing trace with hash -1405385952, now seen corresponding path program 1 times [2024-11-23 22:54:29,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 22:54:29,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1696154480] [2024-11-23 22:54:29,510 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:54:29,511 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 22:54:29,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 22:54:29,513 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 22:54:29,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-23 22:54:29,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:54:30,008 INFO L256 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-23 22:54:30,020 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:54:30,055 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-23 22:54:30,056 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 22:54:30,056 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 22:54:30,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1696154480] [2024-11-23 22:54:30,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1696154480] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:54:30,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:54:30,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 22:54:30,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348506252] [2024-11-23 22:54:30,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:54:30,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 22:54:30,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 22:54:30,093 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 22:54:30,093 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 22:54:30,096 INFO L87 Difference]: Start difference. First operand has 103 states, 89 states have (on average 1.449438202247191) internal successors, (129), 90 states have internal predecessors, (129), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-23 22:54:30,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:54:30,135 INFO L93 Difference]: Finished difference Result 199 states and 307 transitions. [2024-11-23 22:54:30,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 22:54:30,137 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 104 [2024-11-23 22:54:30,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:54:30,147 INFO L225 Difference]: With dead ends: 199 [2024-11-23 22:54:30,148 INFO L226 Difference]: Without dead ends: 99 [2024-11-23 22:54:30,151 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 22:54:30,154 INFO L435 NwaCegarLoop]: 138 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, 138 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 22:54:30,155 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:54:30,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2024-11-23 22:54:30,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2024-11-23 22:54:30,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 86 states have (on average 1.3488372093023255) internal successors, (116), 86 states have internal predecessors, (116), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-23 22:54:30,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 138 transitions. [2024-11-23 22:54:30,207 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 138 transitions. Word has length 104 [2024-11-23 22:54:30,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:54:30,208 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 138 transitions. [2024-11-23 22:54:30,209 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-23 22:54:30,209 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 138 transitions. [2024-11-23 22:54:30,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-23 22:54:30,214 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:54:30,215 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:54:30,226 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-23 22:54:30,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 22:54:30,416 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:54:30,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:54:30,417 INFO L85 PathProgramCache]: Analyzing trace with hash 491244274, now seen corresponding path program 1 times [2024-11-23 22:54:30,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 22:54:30,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1308371216] [2024-11-23 22:54:30,422 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:54:30,422 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 22:54:30,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 22:54:30,424 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 22:54:30,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-23 22:54:30,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:54:30,939 INFO L256 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 22:54:30,946 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:54:31,043 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-23 22:54:31,044 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 22:54:31,044 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 22:54:31,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1308371216] [2024-11-23 22:54:31,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1308371216] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:54:31,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:54:31,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 22:54:31,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505051394] [2024-11-23 22:54:31,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:54:31,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 22:54:31,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 22:54:31,049 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 22:54:31,049 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 22:54:31,049 INFO L87 Difference]: Start difference. First operand 99 states and 138 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-23 22:54:31,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:54:31,246 INFO L93 Difference]: Finished difference Result 197 states and 276 transitions. [2024-11-23 22:54:31,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 22:54:31,251 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 104 [2024-11-23 22:54:31,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:54:31,252 INFO L225 Difference]: With dead ends: 197 [2024-11-23 22:54:31,253 INFO L226 Difference]: Without dead ends: 101 [2024-11-23 22:54:31,253 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 22:54:31,254 INFO L435 NwaCegarLoop]: 136 mSDtfsCounter, 0 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 397 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 22:54:31,255 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 397 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 22:54:31,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2024-11-23 22:54:31,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2024-11-23 22:54:31,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 88 states have (on average 1.3409090909090908) internal successors, (118), 88 states have internal predecessors, (118), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-23 22:54:31,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 140 transitions. [2024-11-23 22:54:31,277 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 140 transitions. Word has length 104 [2024-11-23 22:54:31,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:54:31,278 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 140 transitions. [2024-11-23 22:54:31,278 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-23 22:54:31,278 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 140 transitions. [2024-11-23 22:54:31,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-23 22:54:31,282 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:54:31,283 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:54:31,293 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-23 22:54:31,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 22:54:31,487 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:54:31,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:54:31,488 INFO L85 PathProgramCache]: Analyzing trace with hash 1077520496, now seen corresponding path program 1 times [2024-11-23 22:54:31,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 22:54:31,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [480164662] [2024-11-23 22:54:31,489 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:54:31,489 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 22:54:31,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 22:54:31,493 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 22:54:31,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-23 22:54:32,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:54:32,080 INFO L256 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-23 22:54:32,091 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:54:32,154 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 9 [2024-11-23 22:54:32,636 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 22:54:32,636 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 19 treesize of output 9 [2024-11-23 22:54:32,650 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 31 treesize of output 19 [2024-11-23 22:54:32,736 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 22:54:32,736 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 22:54:32,737 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 22:54:32,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [480164662] [2024-11-23 22:54:32,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [480164662] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:54:32,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:54:32,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 22:54:32,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152422876] [2024-11-23 22:54:32,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:54:32,738 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 22:54:32,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 22:54:32,739 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 22:54:32,739 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-23 22:54:32,739 INFO L87 Difference]: Start difference. First operand 101 states and 140 transitions. Second operand has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 22:54:34,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:54:34,117 INFO L93 Difference]: Finished difference Result 387 states and 540 transitions. [2024-11-23 22:54:34,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 22:54:34,120 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 104 [2024-11-23 22:54:34,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:54:34,125 INFO L225 Difference]: With dead ends: 387 [2024-11-23 22:54:34,125 INFO L226 Difference]: Without dead ends: 289 [2024-11-23 22:54:34,126 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-11-23 22:54:34,127 INFO L435 NwaCegarLoop]: 221 mSDtfsCounter, 262 mSDsluCounter, 842 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 1063 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-23 22:54:34,128 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 1063 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 211 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-23 22:54:34,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2024-11-23 22:54:34,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 147. [2024-11-23 22:54:34,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 122 states have (on average 1.319672131147541) internal successors, (161), 122 states have internal predecessors, (161), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-23 22:54:34,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 205 transitions. [2024-11-23 22:54:34,159 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 205 transitions. Word has length 104 [2024-11-23 22:54:34,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:54:34,159 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 205 transitions. [2024-11-23 22:54:34,160 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 22:54:34,160 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 205 transitions. [2024-11-23 22:54:34,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-23 22:54:34,162 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:54:34,162 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:54:34,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-23 22:54:34,366 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 22:54:34,366 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:54:34,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:54:34,367 INFO L85 PathProgramCache]: Analyzing trace with hash 1218069106, now seen corresponding path program 1 times [2024-11-23 22:54:34,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 22:54:34,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1411212796] [2024-11-23 22:54:34,368 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:54:34,368 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 22:54:34,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 22:54:34,371 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 22:54:34,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-23 22:54:34,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:54:34,794 INFO L256 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-23 22:54:34,806 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:54:34,842 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 9 [2024-11-23 22:54:35,125 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 22:54:35,125 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 19 treesize of output 9 [2024-11-23 22:54:35,287 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 29 treesize of output 17 [2024-11-23 22:54:35,426 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 22:54:35,426 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 22:54:35,427 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 22:54:35,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1411212796] [2024-11-23 22:54:35,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1411212796] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:54:35,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:54:35,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 22:54:35,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240543605] [2024-11-23 22:54:35,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:54:35,428 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 22:54:35,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 22:54:35,428 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 22:54:35,429 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-23 22:54:35,429 INFO L87 Difference]: Start difference. First operand 147 states and 205 transitions. Second operand has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 22:54:38,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:54:38,085 INFO L93 Difference]: Finished difference Result 344 states and 478 transitions. [2024-11-23 22:54:38,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 22:54:38,086 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 104 [2024-11-23 22:54:38,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:54:38,088 INFO L225 Difference]: With dead ends: 344 [2024-11-23 22:54:38,089 INFO L226 Difference]: Without dead ends: 246 [2024-11-23 22:54:38,089 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-23 22:54:38,090 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 269 mSDsluCounter, 460 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 269 SdHoareTripleChecker+Valid, 571 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-23 22:54:38,090 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [269 Valid, 571 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-23 22:54:38,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2024-11-23 22:54:38,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 164. [2024-11-23 22:54:38,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 139 states have (on average 1.3237410071942446) internal successors, (184), 139 states have internal predecessors, (184), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-23 22:54:38,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 228 transitions. [2024-11-23 22:54:38,119 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 228 transitions. Word has length 104 [2024-11-23 22:54:38,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:54:38,120 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 228 transitions. [2024-11-23 22:54:38,120 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 22:54:38,120 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 228 transitions. [2024-11-23 22:54:38,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-23 22:54:38,127 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:54:38,128 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:54:38,139 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-23 22:54:38,328 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 22:54:38,328 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:54:38,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:54:38,329 INFO L85 PathProgramCache]: Analyzing trace with hash -370278796, now seen corresponding path program 1 times [2024-11-23 22:54:38,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 22:54:38,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [404849517] [2024-11-23 22:54:38,329 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:54:38,329 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 22:54:38,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 22:54:38,331 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 22:54:38,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-23 22:54:38,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:54:38,727 INFO L256 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-23 22:54:38,731 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:54:38,918 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 [2024-11-23 22:54:39,047 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 90 proven. 6 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-11-23 22:54:39,048 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 22:54:39,394 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 22:54:39,394 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 22:54:39,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [404849517] [2024-11-23 22:54:39,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [404849517] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-23 22:54:39,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 22:54:39,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2024-11-23 22:54:39,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052978445] [2024-11-23 22:54:39,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:54:39,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:54:39,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 22:54:39,396 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:54:39,396 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-23 22:54:39,396 INFO L87 Difference]: Start difference. First operand 164 states and 228 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 22:54:39,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:54:39,563 INFO L93 Difference]: Finished difference Result 263 states and 367 transitions. [2024-11-23 22:54:39,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:54:39,566 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 104 [2024-11-23 22:54:39,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:54:39,568 INFO L225 Difference]: With dead ends: 263 [2024-11-23 22:54:39,568 INFO L226 Difference]: Without dead ends: 165 [2024-11-23 22:54:39,569 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-23 22:54:39,569 INFO L435 NwaCegarLoop]: 137 mSDtfsCounter, 0 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 22:54:39,570 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 267 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 22:54:39,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2024-11-23 22:54:39,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2024-11-23 22:54:39,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 140 states have (on average 1.3214285714285714) internal successors, (185), 140 states have internal predecessors, (185), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-23 22:54:39,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 229 transitions. [2024-11-23 22:54:39,596 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 229 transitions. Word has length 104 [2024-11-23 22:54:39,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:54:39,597 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 229 transitions. [2024-11-23 22:54:39,597 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 22:54:39,598 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 229 transitions. [2024-11-23 22:54:39,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-23 22:54:39,599 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:54:39,599 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:54:39,610 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-23 22:54:39,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 22:54:39,800 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:54:39,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:54:39,801 INFO L85 PathProgramCache]: Analyzing trace with hash 650789558, now seen corresponding path program 1 times [2024-11-23 22:54:39,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 22:54:39,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1654670422] [2024-11-23 22:54:39,802 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:54:39,802 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 22:54:39,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 22:54:39,803 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 22:54:39,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-23 22:54:40,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:54:40,280 INFO L256 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 22:54:40,282 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:54:40,341 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 22:54:40,342 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 22:54:40,342 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 22:54:40,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1654670422] [2024-11-23 22:54:40,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1654670422] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:54:40,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:54:40,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 22:54:40,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76613218] [2024-11-23 22:54:40,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:54:40,343 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 22:54:40,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 22:54:40,343 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 22:54:40,344 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 22:54:40,344 INFO L87 Difference]: Start difference. First operand 165 states and 229 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 22:54:40,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:54:40,441 INFO L93 Difference]: Finished difference Result 269 states and 374 transitions. [2024-11-23 22:54:40,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 22:54:40,442 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 104 [2024-11-23 22:54:40,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:54:40,444 INFO L225 Difference]: With dead ends: 269 [2024-11-23 22:54:40,444 INFO L226 Difference]: Without dead ends: 170 [2024-11-23 22:54:40,445 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 22:54:40,445 INFO L435 NwaCegarLoop]: 133 mSDtfsCounter, 1 mSDsluCounter, 383 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 516 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 22:54:40,446 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 516 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 22:54:40,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2024-11-23 22:54:40,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 169. [2024-11-23 22:54:40,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 144 states have (on average 1.3125) internal successors, (189), 144 states have internal predecessors, (189), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-23 22:54:40,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 233 transitions. [2024-11-23 22:54:40,463 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 233 transitions. Word has length 104 [2024-11-23 22:54:40,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:54:40,464 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 233 transitions. [2024-11-23 22:54:40,464 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 22:54:40,465 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 233 transitions. [2024-11-23 22:54:40,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-23 22:54:40,466 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:54:40,466 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:54:40,477 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-23 22:54:40,666 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 22:54:40,667 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:54:40,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:54:40,667 INFO L85 PathProgramCache]: Analyzing trace with hash 1330847928, now seen corresponding path program 1 times [2024-11-23 22:54:40,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 22:54:40,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [342019194] [2024-11-23 22:54:40,668 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:54:40,668 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 22:54:40,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 22:54:40,671 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 22:54:40,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-23 22:54:41,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:54:41,112 INFO L256 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-23 22:54:41,118 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:54:41,193 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 22:54:41,193 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 22:54:41,194 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 22:54:41,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [342019194] [2024-11-23 22:54:41,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [342019194] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:54:41,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:54:41,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 22:54:41,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390608406] [2024-11-23 22:54:41,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:54:41,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 22:54:41,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 22:54:41,196 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 22:54:41,196 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 22:54:41,196 INFO L87 Difference]: Start difference. First operand 169 states and 233 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 22:54:41,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:54:41,309 INFO L93 Difference]: Finished difference Result 275 states and 379 transitions. [2024-11-23 22:54:41,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 22:54:41,310 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 104 [2024-11-23 22:54:41,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:54:41,315 INFO L225 Difference]: With dead ends: 275 [2024-11-23 22:54:41,317 INFO L226 Difference]: Without dead ends: 172 [2024-11-23 22:54:41,318 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 22:54:41,318 INFO L435 NwaCegarLoop]: 131 mSDtfsCounter, 1 mSDsluCounter, 504 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 635 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 22:54:41,319 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 635 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 22:54:41,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2024-11-23 22:54:41,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 171. [2024-11-23 22:54:41,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 146 states have (on average 1.3082191780821917) internal successors, (191), 146 states have internal predecessors, (191), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-23 22:54:41,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 235 transitions. [2024-11-23 22:54:41,350 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 235 transitions. Word has length 104 [2024-11-23 22:54:41,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:54:41,351 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 235 transitions. [2024-11-23 22:54:41,351 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 22:54:41,351 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 235 transitions. [2024-11-23 22:54:41,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-23 22:54:41,352 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:54:41,353 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:54:41,375 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-23 22:54:41,557 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 22:54:41,557 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:54:41,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:54:41,558 INFO L85 PathProgramCache]: Analyzing trace with hash -1189112006, now seen corresponding path program 1 times [2024-11-23 22:54:41,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 22:54:41,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2118486449] [2024-11-23 22:54:41,559 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:54:41,559 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 22:54:41,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 22:54:41,561 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 22:54:41,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-23 22:54:42,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:54:42,096 INFO L256 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-23 22:54:42,099 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:54:42,179 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 22:54:42,180 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 22:54:42,180 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 22:54:42,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2118486449] [2024-11-23 22:54:42,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2118486449] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:54:42,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:54:42,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-23 22:54:42,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085868942] [2024-11-23 22:54:42,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:54:42,180 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 22:54:42,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 22:54:42,181 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 22:54:42,181 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-23 22:54:42,181 INFO L87 Difference]: Start difference. First operand 171 states and 235 transitions. Second operand has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 22:54:42,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:54:42,336 INFO L93 Difference]: Finished difference Result 279 states and 383 transitions. [2024-11-23 22:54:42,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 22:54:42,337 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 104 [2024-11-23 22:54:42,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:54:42,340 INFO L225 Difference]: With dead ends: 279 [2024-11-23 22:54:42,340 INFO L226 Difference]: Without dead ends: 174 [2024-11-23 22:54:42,341 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-23 22:54:42,342 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 1 mSDsluCounter, 626 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 755 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 22:54:42,342 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 755 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 22:54:42,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2024-11-23 22:54:42,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 173. [2024-11-23 22:54:42,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 148 states have (on average 1.304054054054054) internal successors, (193), 148 states have internal predecessors, (193), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-23 22:54:42,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 237 transitions. [2024-11-23 22:54:42,402 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 237 transitions. Word has length 104 [2024-11-23 22:54:42,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:54:42,403 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 237 transitions. [2024-11-23 22:54:42,403 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 22:54:42,403 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 237 transitions. [2024-11-23 22:54:42,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-23 22:54:42,408 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:54:42,408 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:54:42,428 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -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)] Forceful destruction successful, exit code 0 [2024-11-23 22:54:42,608 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 22:54:42,609 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:54:42,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:54:42,610 INFO L85 PathProgramCache]: Analyzing trace with hash -1187264964, now seen corresponding path program 1 times [2024-11-23 22:54:42,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 22:54:42,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [351424749] [2024-11-23 22:54:42,611 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:54:42,611 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 22:54:42,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 22:54:42,613 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 22:54:42,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-11-23 22:54:43,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:54:43,039 INFO L256 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-23 22:54:43,043 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:54:43,058 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 20 treesize of output 16 [2024-11-23 22:54:43,297 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 [2024-11-23 22:54:43,308 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 22:54:43,308 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 72 treesize of output 44 [2024-11-23 22:54:43,437 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 22:54:43,438 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 22:54:43,438 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 22:54:43,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [351424749] [2024-11-23 22:54:43,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [351424749] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:54:43,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:54:43,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-23 22:54:43,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761738225] [2024-11-23 22:54:43,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:54:43,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-23 22:54:43,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 22:54:43,440 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-23 22:54:43,441 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-23 22:54:43,441 INFO L87 Difference]: Start difference. First operand 173 states and 237 transitions. Second operand has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 22:54:45,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:54:45,030 INFO L93 Difference]: Finished difference Result 464 states and 630 transitions. [2024-11-23 22:54:45,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 22:54:45,031 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 104 [2024-11-23 22:54:45,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:54:45,040 INFO L225 Difference]: With dead ends: 464 [2024-11-23 22:54:45,040 INFO L226 Difference]: Without dead ends: 357 [2024-11-23 22:54:45,041 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-11-23 22:54:45,046 INFO L435 NwaCegarLoop]: 227 mSDtfsCounter, 196 mSDsluCounter, 1124 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 1351 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-23 22:54:45,046 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 1351 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 269 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-23 22:54:45,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2024-11-23 22:54:45,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 270. [2024-11-23 22:54:45,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 238 states have (on average 1.315126050420168) internal successors, (313), 239 states have internal predecessors, (313), 28 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-23 22:54:45,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 369 transitions. [2024-11-23 22:54:45,105 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 369 transitions. Word has length 104 [2024-11-23 22:54:45,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:54:45,105 INFO L471 AbstractCegarLoop]: Abstraction has 270 states and 369 transitions. [2024-11-23 22:54:45,105 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 22:54:45,106 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 369 transitions. [2024-11-23 22:54:45,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-23 22:54:45,107 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:54:45,107 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:54:45,119 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2024-11-23 22:54:45,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 22:54:45,308 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:54:45,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:54:45,308 INFO L85 PathProgramCache]: Analyzing trace with hash -1321278470, now seen corresponding path program 1 times [2024-11-23 22:54:45,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 22:54:45,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [579511224] [2024-11-23 22:54:45,309 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:54:45,309 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 22:54:45,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 22:54:45,314 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 22:54:45,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-23 22:54:45,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:54:45,669 INFO L256 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-23 22:54:45,672 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:54:45,811 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 13 [2024-11-23 22:54:45,817 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 16 [2024-11-23 22:54:46,359 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 90 proven. 6 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-11-23 22:54:46,359 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 22:54:46,496 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 15 [2024-11-23 22:54:46,606 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 22:54:46,606 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 22:54:46,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [579511224] [2024-11-23 22:54:46,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [579511224] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-23 22:54:46,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 22:54:46,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 10 [2024-11-23 22:54:46,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959996576] [2024-11-23 22:54:46,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:54:46,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 22:54:46,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 22:54:46,608 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 22:54:46,608 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-23 22:54:46,608 INFO L87 Difference]: Start difference. First operand 270 states and 369 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 22:54:46,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:54:46,760 INFO L93 Difference]: Finished difference Result 483 states and 662 transitions. [2024-11-23 22:54:46,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 22:54:46,761 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 104 [2024-11-23 22:54:46,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:54:46,764 INFO L225 Difference]: With dead ends: 483 [2024-11-23 22:54:46,764 INFO L226 Difference]: Without dead ends: 281 [2024-11-23 22:54:46,765 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-11-23 22:54:46,765 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 25 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 22:54:46,766 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 419 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 22:54:46,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2024-11-23 22:54:46,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 271. [2024-11-23 22:54:46,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 239 states have (on average 1.3096234309623431) internal successors, (313), 240 states have internal predecessors, (313), 28 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-23 22:54:46,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 369 transitions. [2024-11-23 22:54:46,785 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 369 transitions. Word has length 104 [2024-11-23 22:54:46,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:54:46,786 INFO L471 AbstractCegarLoop]: Abstraction has 271 states and 369 transitions. [2024-11-23 22:54:46,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 22:54:46,786 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 369 transitions. [2024-11-23 22:54:46,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-23 22:54:46,788 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:54:46,788 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:54:46,797 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-23 22:54:46,988 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 22:54:46,988 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:54:46,989 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:54:46,989 INFO L85 PathProgramCache]: Analyzing trace with hash 843459302, now seen corresponding path program 1 times [2024-11-23 22:54:46,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 22:54:46,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1548575457] [2024-11-23 22:54:46,990 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:54:46,990 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 22:54:46,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 22:54:46,991 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 22:54:46,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2024-11-23 22:54:47,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:54:47,361 INFO L256 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-23 22:54:47,365 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:54:47,392 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 9 [2024-11-23 22:54:48,100 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 [2024-11-23 22:54:48,276 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 [2024-11-23 22:54:48,381 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 90 proven. 6 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-11-23 22:54:48,381 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 22:54:50,806 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 41 treesize of output 29 [2024-11-23 22:54:50,915 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 22:54:50,916 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 22:54:50,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1548575457] [2024-11-23 22:54:50,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1548575457] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-23 22:54:50,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 22:54:50,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 16 [2024-11-23 22:54:50,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675989139] [2024-11-23 22:54:50,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:54:50,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 22:54:50,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 22:54:50,917 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 22:54:50,917 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2024-11-23 22:54:50,917 INFO L87 Difference]: Start difference. First operand 271 states and 369 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 22:54:56,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:54:56,813 INFO L93 Difference]: Finished difference Result 579 states and 786 transitions. [2024-11-23 22:54:56,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 22:54:56,825 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 105 [2024-11-23 22:54:56,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:54:56,828 INFO L225 Difference]: With dead ends: 579 [2024-11-23 22:54:56,828 INFO L226 Difference]: Without dead ends: 385 [2024-11-23 22:54:56,829 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=61, Invalid=245, Unknown=0, NotChecked=0, Total=306 [2024-11-23 22:54:56,830 INFO L435 NwaCegarLoop]: 167 mSDtfsCounter, 62 mSDsluCounter, 537 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 704 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-11-23 22:54:56,830 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 704 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2024-11-23 22:54:56,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2024-11-23 22:54:56,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 295. [2024-11-23 22:54:56,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 263 states have (on average 1.3346007604562737) internal successors, (351), 264 states have internal predecessors, (351), 28 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-23 22:54:56,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 407 transitions. [2024-11-23 22:54:56,855 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 407 transitions. Word has length 105 [2024-11-23 22:54:56,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:54:56,855 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 407 transitions. [2024-11-23 22:54:56,855 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 22:54:56,855 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 407 transitions. [2024-11-23 22:54:56,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-23 22:54:56,859 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:54:56,859 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:54:56,871 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Ended with exit code 0 [2024-11-23 22:54:57,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 22:54:57,060 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:54:57,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:54:57,061 INFO L85 PathProgramCache]: Analyzing trace with hash 2005076266, now seen corresponding path program 1 times [2024-11-23 22:54:57,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 22:54:57,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1270622990] [2024-11-23 22:54:57,061 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:54:57,061 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 [2024-11-23 22:54:57,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 22:54:57,063 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 22:54:57,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2024-11-23 22:54:57,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:54:57,408 INFO L256 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-23 22:54:57,412 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:54:57,441 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 21 treesize of output 9 [2024-11-23 22:54:58,030 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 13 [2024-11-23 22:54:58,038 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 16 [2024-11-23 22:54:58,747 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 [2024-11-23 22:54:59,098 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 90 proven. 6 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-11-23 22:54:59,098 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 22:54:59,694 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 [2024-11-23 22:54:59,962 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 18 [2024-11-23 22:55:00,159 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 22:55:00,159 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 22:55:00,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1270622990] [2024-11-23 22:55:00,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1270622990] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-23 22:55:00,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 22:55:00,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 14 [2024-11-23 22:55:00,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819302744] [2024-11-23 22:55:00,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:55:00,160 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 22:55:00,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 22:55:00,161 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 22:55:00,161 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-11-23 22:55:00,162 INFO L87 Difference]: Start difference. First operand 295 states and 407 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 22:55:01,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:55:01,720 INFO L93 Difference]: Finished difference Result 501 states and 690 transitions. [2024-11-23 22:55:01,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 22:55:01,724 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 105 [2024-11-23 22:55:01,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:55:01,726 INFO L225 Difference]: With dead ends: 501 [2024-11-23 22:55:01,726 INFO L226 Difference]: Without dead ends: 281 [2024-11-23 22:55:01,728 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2024-11-23 22:55:01,729 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 26 mSDsluCounter, 394 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 543 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-23 22:55:01,729 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 543 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-23 22:55:01,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2024-11-23 22:55:01,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 281. [2024-11-23 22:55:01,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 249 states have (on average 1.3172690763052208) internal successors, (328), 250 states have internal predecessors, (328), 28 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-23 22:55:01,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 384 transitions. [2024-11-23 22:55:01,751 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 384 transitions. Word has length 105 [2024-11-23 22:55:01,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:55:01,752 INFO L471 AbstractCegarLoop]: Abstraction has 281 states and 384 transitions. [2024-11-23 22:55:01,752 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 22:55:01,752 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 384 transitions. [2024-11-23 22:55:01,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-23 22:55:01,753 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:55:01,753 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:55:01,763 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Ended with exit code 0 [2024-11-23 22:55:01,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 22:55:01,954 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:55:01,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:55:01,954 INFO L85 PathProgramCache]: Analyzing trace with hash 905498916, now seen corresponding path program 1 times [2024-11-23 22:55:01,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 22:55:01,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [154133791] [2024-11-23 22:55:01,955 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:55:01,955 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 22:55:01,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 22:55:01,957 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 22:55:01,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-23 22:55:02,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:55:02,417 INFO L256 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-23 22:55:02,420 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:55:02,460 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 9 [2024-11-23 22:55:03,032 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 28 treesize of output 16 [2024-11-23 22:55:03,118 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 22:55:03,119 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 22:55:03,119 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 22:55:03,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [154133791] [2024-11-23 22:55:03,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [154133791] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:55:03,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:55:03,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 22:55:03,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214799931] [2024-11-23 22:55:03,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:55:03,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 22:55:03,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 22:55:03,120 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 22:55:03,120 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-23 22:55:03,121 INFO L87 Difference]: Start difference. First operand 281 states and 384 transitions. Second operand has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 6 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 22:55:05,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:55:05,380 INFO L93 Difference]: Finished difference Result 652 states and 884 transitions. [2024-11-23 22:55:05,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 22:55:05,382 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 6 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 105 [2024-11-23 22:55:05,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:55:05,384 INFO L225 Difference]: With dead ends: 652 [2024-11-23 22:55:05,384 INFO L226 Difference]: Without dead ends: 446 [2024-11-23 22:55:05,385 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-23 22:55:05,386 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 210 mSDsluCounter, 534 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 653 SdHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-23 22:55:05,386 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 653 Invalid, 240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-23 22:55:05,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2024-11-23 22:55:05,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 284. [2024-11-23 22:55:05,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 252 states have (on average 1.3214285714285714) internal successors, (333), 253 states have internal predecessors, (333), 28 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-23 22:55:05,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 389 transitions. [2024-11-23 22:55:05,405 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 389 transitions. Word has length 105 [2024-11-23 22:55:05,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:55:05,405 INFO L471 AbstractCegarLoop]: Abstraction has 284 states and 389 transitions. [2024-11-23 22:55:05,406 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 6 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 22:55:05,406 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 389 transitions. [2024-11-23 22:55:05,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-23 22:55:05,407 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:55:05,407 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:55:05,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-23 22:55:05,607 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 22:55:05,608 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:55:05,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:55:05,608 INFO L85 PathProgramCache]: Analyzing trace with hash -933273785, now seen corresponding path program 1 times [2024-11-23 22:55:05,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 22:55:05,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [336109158] [2024-11-23 22:55:05,609 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:55:05,609 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 22:55:05,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 22:55:05,610 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 22:55:05,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2024-11-23 22:55:06,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:55:06,169 INFO L256 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-23 22:55:06,173 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:55:06,278 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-23 22:55:06,702 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 22:55:06,702 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 133 treesize of output 79 [2024-11-23 22:55:13,036 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 22:55:13,037 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 153 treesize of output 105 [2024-11-23 22:55:21,448 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 22:55:21,448 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 230 treesize of output 152 [2024-11-23 22:55:22,583 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 22:55:22,583 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 438 treesize of output 150 [2024-11-23 22:55:22,790 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 32 proven. 72 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-23 22:55:22,791 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 22:55:23,335 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 22:55:23,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [336109158] [2024-11-23 22:55:23,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [336109158] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 22:55:23,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1875021978] [2024-11-23 22:55:23,335 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:55:23,336 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-23 22:55:23,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-23 22:55:23,344 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-23 22:55:23,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-23 22:55:25,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:55:25,117 INFO L256 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-23 22:55:25,122 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:55:25,430 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2024-11-23 22:55:34,569 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 22:55:34,570 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 124 treesize of output 71 [2024-11-23 22:55:48,965 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 22:55:48,966 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 111 treesize of output 96 [2024-11-23 22:56:05,497 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 22:56:05,498 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 21 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 172 treesize of output 139 [2024-11-23 22:56:19,025 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 22:56:19,026 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 323 treesize of output 163 [2024-11-23 22:56:19,086 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 32 proven. 72 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-23 22:56:19,086 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 22:56:19,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1875021978] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 22:56:19,379 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-23 22:56:19,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2024-11-23 22:56:19,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739920547] [2024-11-23 22:56:19,379 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-23 22:56:19,379 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-23 22:56:19,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 22:56:19,380 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-23 22:56:19,380 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=453, Unknown=15, NotChecked=0, Total=552 [2024-11-23 22:56:19,381 INFO L87 Difference]: Start difference. First operand 284 states and 389 transitions. Second operand has 21 states, 21 states have (on average 5.095238095238095) internal successors, (107), 20 states have internal predecessors, (107), 6 states have call successors, (22), 6 states have call predecessors, (22), 6 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) [2024-11-23 22:56:24,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 22:56:28,172 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 22:56:32,187 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 22:56:36,191 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 22:56:56,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 22:57:00,495 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 22:57:04,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 22:57:08,513 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 22:57:28,635 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 22:57:32,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 22:57:36,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 22:57:40,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 22:57:44,673 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 22:57:48,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 22:57:52,684 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 22:57:56,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 22:58:00,693 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 22:58:04,701 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 22:58:08,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 22:58:12,711 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 22:58:16,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 22:58:20,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 22:58:24,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 22:58:28,787 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 22:58:32,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 22:58:36,946 WARN L539 Checker$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] [2024-11-23 22:58:57,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 22:59:01,207 WARN L539 Checker$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] [2024-11-23 22:59:05,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 22:59:09,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 22:59:13,234 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 22:59:17,239 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 22:59:21,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 22:59:25,256 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 22:59:29,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 22:59:33,327 WARN L539 Checker$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] [2024-11-23 22:59:37,380 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 22:59:41,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 22:59:45,481 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 22:59:49,484 WARN L539 Checker$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] [2024-11-23 22:59:53,495 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 22:59:57,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:00:01,511 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:00:05,518 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:00:09,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:00:13,531 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:00:17,538 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:00:21,542 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:00:25,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:00:29,564 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:00:33,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:00:37,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:00:41,633 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:00:45,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:00:49,690 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:00:53,697 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:00:57,897 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:01:01,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:01:05,908 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:01:09,912 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:01:13,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:01:17,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:01:22,020 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:01:26,026 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:01:30,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:01:34,040 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:01:38,082 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:01:42,089 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:01:46,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:01:50,162 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:01:54,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:01:58,175 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:02:02,209 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:02:06,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:02:10,283 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:02:14,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:02:18,293 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:02:22,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:02:26,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:02:30,332 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:02:34,404 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:02:38,408 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:02:42,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:02:46,419 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:02:50,454 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:02:54,458 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:02:58,540 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:03:02,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:03:06,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:03:10,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:03:14,593 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:03:18,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:03:22,661 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:03:26,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:03:30,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:03:34,677 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:03:55,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:03:55,642 INFO L93 Difference]: Finished difference Result 907 states and 1221 transitions. [2024-11-23 23:03:55,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-23 23:03:55,643 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 5.095238095238095) internal successors, (107), 20 states have internal predecessors, (107), 6 states have call successors, (22), 6 states have call predecessors, (22), 6 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) Word has length 106 [2024-11-23 23:03:55,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:03:55,647 INFO L225 Difference]: With dead ends: 907 [2024-11-23 23:03:55,647 INFO L226 Difference]: Without dead ends: 701 [2024-11-23 23:03:55,648 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 249 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 197 ImplicationChecksByTransitivity, 125.1s TimeCoverageRelationStatistics Valid=214, Invalid=878, Unknown=30, NotChecked=0, Total=1122 [2024-11-23 23:03:55,648 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 707 mSDsluCounter, 1137 mSDsCounter, 0 mSdLazyCounter, 730 mSolverCounterSat, 57 mSolverCounterUnsat, 96 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 393.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 707 SdHoareTripleChecker+Valid, 1256 SdHoareTripleChecker+Invalid, 883 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 730 IncrementalHoareTripleChecker+Invalid, 96 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 393.9s IncrementalHoareTripleChecker+Time [2024-11-23 23:03:55,649 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [707 Valid, 1256 Invalid, 883 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 730 Invalid, 96 Unknown, 0 Unchecked, 393.9s Time] [2024-11-23 23:03:55,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 701 states. [2024-11-23 23:03:55,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 701 to 617. [2024-11-23 23:03:55,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 617 states, 551 states have (on average 1.3194192377495462) internal successors, (727), 555 states have internal predecessors, (727), 54 states have call successors, (54), 11 states have call predecessors, (54), 11 states have return successors, (54), 50 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-23 23:03:55,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 617 states and 835 transitions. [2024-11-23 23:03:55,700 INFO L78 Accepts]: Start accepts. Automaton has 617 states and 835 transitions. Word has length 106 [2024-11-23 23:03:55,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:03:55,700 INFO L471 AbstractCegarLoop]: Abstraction has 617 states and 835 transitions. [2024-11-23 23:03:55,700 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 5.095238095238095) internal successors, (107), 20 states have internal predecessors, (107), 6 states have call successors, (22), 6 states have call predecessors, (22), 6 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) [2024-11-23 23:03:55,701 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 835 transitions. [2024-11-23 23:03:55,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-23 23:03:55,702 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:03:55,702 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:03:55,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Ended with exit code 0 [2024-11-23 23:03:55,910 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-23 23:03:56,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt [2024-11-23 23:03:56,104 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:03:56,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:03:56,104 INFO L85 PathProgramCache]: Analyzing trace with hash -360692248, now seen corresponding path program 1 times [2024-11-23 23:03:56,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:03:56,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1699197120] [2024-11-23 23:03:56,105 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:03:56,105 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:03:56,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:03:56,107 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:03:56,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2024-11-23 23:03:56,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:03:56,467 INFO L256 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-23 23:03:56,469 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:03:56,971 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 48 proven. 27 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-23 23:03:56,971 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:03:57,172 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 23:03:57,172 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:03:57,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1699197120] [2024-11-23 23:03:57,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1699197120] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-23 23:03:57,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:03:57,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 10 [2024-11-23 23:03:57,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309436088] [2024-11-23 23:03:57,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:03:57,174 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:03:57,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:03:57,174 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:03:57,174 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-23 23:03:57,174 INFO L87 Difference]: Start difference. First operand 617 states and 835 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 23:03:57,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:03:57,332 INFO L93 Difference]: Finished difference Result 1064 states and 1441 transitions. [2024-11-23 23:03:57,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:03:57,333 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 106 [2024-11-23 23:03:57,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:03:57,339 INFO L225 Difference]: With dead ends: 1064 [2024-11-23 23:03:57,339 INFO L226 Difference]: Without dead ends: 598 [2024-11-23 23:03:57,340 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-23 23:03:57,340 INFO L435 NwaCegarLoop]: 134 mSDtfsCounter, 114 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:03:57,340 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 390 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 23:03:57,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 598 states. [2024-11-23 23:03:57,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 598 to 596. [2024-11-23 23:03:57,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 596 states, 530 states have (on average 1.3094339622641509) internal successors, (694), 534 states have internal predecessors, (694), 54 states have call successors, (54), 11 states have call predecessors, (54), 11 states have return successors, (54), 50 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-23 23:03:57,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 802 transitions. [2024-11-23 23:03:57,413 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 802 transitions. Word has length 106 [2024-11-23 23:03:57,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:03:57,414 INFO L471 AbstractCegarLoop]: Abstraction has 596 states and 802 transitions. [2024-11-23 23:03:57,415 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 23:03:57,415 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 802 transitions. [2024-11-23 23:03:57,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-23 23:03:57,416 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:03:57,416 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:03:57,425 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Ended with exit code 0 [2024-11-23 23:03:57,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:03:57,617 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:03:57,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:03:57,618 INFO L85 PathProgramCache]: Analyzing trace with hash -1623229133, now seen corresponding path program 1 times [2024-11-23 23:03:57,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:03:57,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [470956283] [2024-11-23 23:03:57,618 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:03:57,618 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:03:57,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:03:57,620 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:03:57,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2024-11-23 23:03:58,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:03:58,045 INFO L256 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-23 23:03:58,048 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:03:58,078 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 9 [2024-11-23 23:03:58,468 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 31 treesize of output 19 [2024-11-23 23:03:58,516 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 23:03:58,516 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:03:58,517 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:03:58,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [470956283] [2024-11-23 23:03:58,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [470956283] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:03:58,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:03:58,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 23:03:58,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573908901] [2024-11-23 23:03:58,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:03:58,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 23:03:58,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:03:58,518 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 23:03:58,518 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:03:58,518 INFO L87 Difference]: Start difference. First operand 596 states and 802 transitions. Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 23:03:59,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:03:59,732 INFO L93 Difference]: Finished difference Result 1414 states and 1889 transitions. [2024-11-23 23:03:59,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 23:03:59,733 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 107 [2024-11-23 23:03:59,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:03:59,737 INFO L225 Difference]: With dead ends: 1414 [2024-11-23 23:03:59,737 INFO L226 Difference]: Without dead ends: 969 [2024-11-23 23:03:59,738 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-11-23 23:03:59,739 INFO L435 NwaCegarLoop]: 210 mSDtfsCounter, 237 mSDsluCounter, 781 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 991 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:03:59,739 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 991 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-23 23:03:59,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 969 states. [2024-11-23 23:03:59,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 969 to 766. [2024-11-23 23:03:59,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 766 states, 672 states have (on average 1.2991071428571428) internal successors, (873), 679 states have internal predecessors, (873), 76 states have call successors, (76), 17 states have call predecessors, (76), 17 states have return successors, (76), 69 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-23 23:03:59,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 766 states and 1025 transitions. [2024-11-23 23:03:59,824 INFO L78 Accepts]: Start accepts. Automaton has 766 states and 1025 transitions. Word has length 107 [2024-11-23 23:03:59,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:03:59,825 INFO L471 AbstractCegarLoop]: Abstraction has 766 states and 1025 transitions. [2024-11-23 23:03:59,825 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 23:03:59,825 INFO L276 IsEmpty]: Start isEmpty. Operand 766 states and 1025 transitions. [2024-11-23 23:03:59,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-23 23:03:59,827 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:03:59,827 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:03:59,838 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Ended with exit code 0 [2024-11-23 23:04:00,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:04:00,027 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:04:00,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:04:00,028 INFO L85 PathProgramCache]: Analyzing trace with hash 473321331, now seen corresponding path program 1 times [2024-11-23 23:04:00,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:04:00,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1175462167] [2024-11-23 23:04:00,028 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:04:00,028 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:04:00,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:04:00,030 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:04:00,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2024-11-23 23:04:00,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:04:00,421 INFO L256 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-23 23:04:00,424 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:04:00,433 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 16 [2024-11-23 23:04:00,437 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 16 treesize of output 12 [2024-11-23 23:04:00,688 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 38 treesize of output 26 [2024-11-23 23:04:00,699 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:04:00,699 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 52 treesize of output 26 [2024-11-23 23:04:00,831 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 23:04:00,831 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:04:00,832 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:04:00,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1175462167] [2024-11-23 23:04:00,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1175462167] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:04:00,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:04:00,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 23:04:00,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568010990] [2024-11-23 23:04:00,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:04:00,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:04:00,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:04:00,833 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:04:00,833 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:04:00,833 INFO L87 Difference]: Start difference. First operand 766 states and 1025 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 23:04:02,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:04:02,964 INFO L93 Difference]: Finished difference Result 1453 states and 1924 transitions. [2024-11-23 23:04:02,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:04:02,964 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 107 [2024-11-23 23:04:02,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:04:02,969 INFO L225 Difference]: With dead ends: 1453 [2024-11-23 23:04:02,969 INFO L226 Difference]: Without dead ends: 1008 [2024-11-23 23:04:02,970 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:04:02,971 INFO L435 NwaCegarLoop]: 168 mSDtfsCounter, 243 mSDsluCounter, 452 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 620 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:04:02,971 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [243 Valid, 620 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-23 23:04:02,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1008 states. [2024-11-23 23:04:03,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1008 to 976. [2024-11-23 23:04:03,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 976 states, 842 states have (on average 1.2814726840855106) internal successors, (1079), 852 states have internal predecessors, (1079), 104 states have call successors, (104), 29 states have call predecessors, (104), 29 states have return successors, (104), 94 states have call predecessors, (104), 104 states have call successors, (104) [2024-11-23 23:04:03,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 976 states to 976 states and 1287 transitions. [2024-11-23 23:04:03,088 INFO L78 Accepts]: Start accepts. Automaton has 976 states and 1287 transitions. Word has length 107 [2024-11-23 23:04:03,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:04:03,089 INFO L471 AbstractCegarLoop]: Abstraction has 976 states and 1287 transitions. [2024-11-23 23:04:03,089 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 23:04:03,089 INFO L276 IsEmpty]: Start isEmpty. Operand 976 states and 1287 transitions. [2024-11-23 23:04:03,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-23 23:04:03,091 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:04:03,092 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:04:03,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Ended with exit code 0 [2024-11-23 23:04:03,293 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:04:03,293 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:04:03,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:04:03,293 INFO L85 PathProgramCache]: Analyzing trace with hash -1727627786, now seen corresponding path program 1 times [2024-11-23 23:04:03,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:04:03,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1670736857] [2024-11-23 23:04:03,294 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:04:03,294 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:04:03,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:04:03,295 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:04:03,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2024-11-23 23:04:03,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:04:03,638 INFO L256 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 23:04:03,640 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:04:03,657 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 23:04:03,657 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:04:03,657 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:04:03,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1670736857] [2024-11-23 23:04:03,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1670736857] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:04:03,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:04:03,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:04:03,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038174561] [2024-11-23 23:04:03,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:04:03,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:04:03,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:04:03,659 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:04:03,659 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:04:03,659 INFO L87 Difference]: Start difference. First operand 976 states and 1287 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 23:04:03,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:04:03,778 INFO L93 Difference]: Finished difference Result 1624 states and 2151 transitions. [2024-11-23 23:04:03,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:04:03,778 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 107 [2024-11-23 23:04:03,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:04:03,782 INFO L225 Difference]: With dead ends: 1624 [2024-11-23 23:04:03,782 INFO L226 Difference]: Without dead ends: 968 [2024-11-23 23:04:03,784 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:04:03,784 INFO L435 NwaCegarLoop]: 133 mSDtfsCounter, 0 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:04:03,785 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 262 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:04:03,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 968 states. [2024-11-23 23:04:03,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 968 to 968. [2024-11-23 23:04:03,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 968 states, 834 states have (on average 1.2793764988009593) internal successors, (1067), 844 states have internal predecessors, (1067), 104 states have call successors, (104), 29 states have call predecessors, (104), 29 states have return successors, (104), 94 states have call predecessors, (104), 104 states have call successors, (104) [2024-11-23 23:04:03,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 968 states to 968 states and 1275 transitions. [2024-11-23 23:04:03,889 INFO L78 Accepts]: Start accepts. Automaton has 968 states and 1275 transitions. Word has length 107 [2024-11-23 23:04:03,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:04:03,890 INFO L471 AbstractCegarLoop]: Abstraction has 968 states and 1275 transitions. [2024-11-23 23:04:03,890 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 23:04:03,890 INFO L276 IsEmpty]: Start isEmpty. Operand 968 states and 1275 transitions. [2024-11-23 23:04:03,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-23 23:04:03,892 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:04:03,892 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:04:03,901 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -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)] Ended with exit code 0 [2024-11-23 23:04:04,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:04:04,093 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:04:04,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:04:04,093 INFO L85 PathProgramCache]: Analyzing trace with hash 1396094431, now seen corresponding path program 1 times [2024-11-23 23:04:04,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:04:04,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1272891038] [2024-11-23 23:04:04,094 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:04:04,094 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:04:04,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:04:04,096 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:04:04,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2024-11-23 23:04:04,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:04:04,424 INFO L256 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-23 23:04:04,426 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:04:04,830 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 27 treesize of output 15 [2024-11-23 23:04:04,879 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 48 proven. 27 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-23 23:04:04,879 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:04:05,122 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 23:04:05,122 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:04:05,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1272891038] [2024-11-23 23:04:05,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1272891038] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-23 23:04:05,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:04:05,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-11-23 23:04:05,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352642438] [2024-11-23 23:04:05,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:04:05,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:04:05,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:04:05,124 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:04:05,124 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-23 23:04:05,124 INFO L87 Difference]: Start difference. First operand 968 states and 1275 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 23:04:05,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:04:05,274 INFO L93 Difference]: Finished difference Result 1586 states and 2092 transitions. [2024-11-23 23:04:05,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:04:05,275 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 107 [2024-11-23 23:04:05,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:04:05,278 INFO L225 Difference]: With dead ends: 1586 [2024-11-23 23:04:05,279 INFO L226 Difference]: Without dead ends: 956 [2024-11-23 23:04:05,280 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-23 23:04:05,280 INFO L435 NwaCegarLoop]: 181 mSDtfsCounter, 114 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:04:05,280 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 469 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 23:04:05,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 956 states. [2024-11-23 23:04:05,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 956 to 928. [2024-11-23 23:04:05,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 928 states, 794 states have (on average 1.2720403022670026) internal successors, (1010), 804 states have internal predecessors, (1010), 104 states have call successors, (104), 29 states have call predecessors, (104), 29 states have return successors, (104), 94 states have call predecessors, (104), 104 states have call successors, (104) [2024-11-23 23:04:05,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 928 states to 928 states and 1218 transitions. [2024-11-23 23:04:05,376 INFO L78 Accepts]: Start accepts. Automaton has 928 states and 1218 transitions. Word has length 107 [2024-11-23 23:04:05,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:04:05,377 INFO L471 AbstractCegarLoop]: Abstraction has 928 states and 1218 transitions. [2024-11-23 23:04:05,377 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 23:04:05,377 INFO L276 IsEmpty]: Start isEmpty. Operand 928 states and 1218 transitions. [2024-11-23 23:04:05,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-23 23:04:05,378 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:04:05,378 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:04:05,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Ended with exit code 0 [2024-11-23 23:04:05,579 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:04:05,579 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:04:05,580 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:04:05,580 INFO L85 PathProgramCache]: Analyzing trace with hash -1911352305, now seen corresponding path program 1 times [2024-11-23 23:04:05,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:04:05,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1111257941] [2024-11-23 23:04:05,580 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:04:05,581 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:04:05,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:04:05,583 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:04:05,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2024-11-23 23:04:05,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:04:06,010 INFO L256 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-23 23:04:06,012 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:04:06,289 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:04:06,289 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 175 treesize of output 67 [2024-11-23 23:04:06,410 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 96 proven. 8 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-23 23:04:06,410 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:04:06,789 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:04:06,789 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 113 treesize of output 1 [2024-11-23 23:04:06,803 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 6 proven. 24 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-23 23:04:06,803 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:04:06,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1111257941] [2024-11-23 23:04:06,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1111257941] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:04:06,804 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-23 23:04:06,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 12 [2024-11-23 23:04:06,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255241167] [2024-11-23 23:04:06,804 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-23 23:04:06,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-23 23:04:06,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:04:06,805 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-23 23:04:06,805 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-23 23:04:06,805 INFO L87 Difference]: Start difference. First operand 928 states and 1218 transitions. Second operand has 12 states, 11 states have (on average 7.090909090909091) internal successors, (78), 12 states have internal predecessors, (78), 4 states have call successors, (21), 3 states have call predecessors, (21), 4 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) [2024-11-23 23:04:08,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:04:08,815 INFO L93 Difference]: Finished difference Result 1814 states and 2365 transitions. [2024-11-23 23:04:08,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-23 23:04:08,816 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.090909090909091) internal successors, (78), 12 states have internal predecessors, (78), 4 states have call successors, (21), 3 states have call predecessors, (21), 4 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) Word has length 108 [2024-11-23 23:04:08,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:04:08,822 INFO L225 Difference]: With dead ends: 1814 [2024-11-23 23:04:08,822 INFO L226 Difference]: Without dead ends: 960 [2024-11-23 23:04:08,824 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=96, Invalid=366, Unknown=0, NotChecked=0, Total=462 [2024-11-23 23:04:08,825 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 133 mSDsluCounter, 566 mSDsCounter, 0 mSdLazyCounter, 278 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 673 SdHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-23 23:04:08,825 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 673 Invalid, 288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 278 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-23 23:04:08,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 960 states. [2024-11-23 23:04:08,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 960 to 918. [2024-11-23 23:04:08,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 918 states, 784 states have (on average 1.2627551020408163) internal successors, (990), 794 states have internal predecessors, (990), 104 states have call successors, (104), 29 states have call predecessors, (104), 29 states have return successors, (104), 94 states have call predecessors, (104), 104 states have call successors, (104) [2024-11-23 23:04:08,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 918 states and 1198 transitions. [2024-11-23 23:04:08,951 INFO L78 Accepts]: Start accepts. Automaton has 918 states and 1198 transitions. Word has length 108 [2024-11-23 23:04:08,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:04:08,952 INFO L471 AbstractCegarLoop]: Abstraction has 918 states and 1198 transitions. [2024-11-23 23:04:08,952 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.090909090909091) internal successors, (78), 12 states have internal predecessors, (78), 4 states have call successors, (21), 3 states have call predecessors, (21), 4 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) [2024-11-23 23:04:08,952 INFO L276 IsEmpty]: Start isEmpty. Operand 918 states and 1198 transitions. [2024-11-23 23:04:08,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-23 23:04:08,953 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:04:08,954 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:04:08,963 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2024-11-23 23:04:09,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:04:09,154 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:04:09,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:04:09,155 INFO L85 PathProgramCache]: Analyzing trace with hash -1212580171, now seen corresponding path program 1 times [2024-11-23 23:04:09,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:04:09,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [868453249] [2024-11-23 23:04:09,155 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:04:09,155 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:04:09,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:04:09,157 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:04:09,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2024-11-23 23:04:09,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:04:09,562 INFO L256 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-23 23:04:09,566 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:04:09,574 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 20 treesize of output 16 [2024-11-23 23:04:09,786 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 [2024-11-23 23:04:10,040 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 39 treesize of output 27 [2024-11-23 23:04:10,050 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:04:10,050 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 53 treesize of output 27 [2024-11-23 23:04:10,278 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 23:04:10,279 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:04:10,279 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:04:10,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [868453249] [2024-11-23 23:04:10,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [868453249] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:04:10,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:04:10,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-23 23:04:10,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409040424] [2024-11-23 23:04:10,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:04:10,279 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 23:04:10,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:04:10,280 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 23:04:10,280 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-23 23:04:10,280 INFO L87 Difference]: Start difference. First operand 918 states and 1198 transitions. Second operand has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 9 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 23:04:12,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:04:12,502 INFO L93 Difference]: Finished difference Result 1521 states and 1985 transitions. [2024-11-23 23:04:12,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 23:04:12,502 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 9 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 108 [2024-11-23 23:04:12,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:04:12,505 INFO L225 Difference]: With dead ends: 1521 [2024-11-23 23:04:12,505 INFO L226 Difference]: Without dead ends: 911 [2024-11-23 23:04:12,506 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2024-11-23 23:04:12,507 INFO L435 NwaCegarLoop]: 153 mSDtfsCounter, 165 mSDsluCounter, 777 mSDsCounter, 0 mSdLazyCounter, 323 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 930 SdHoareTripleChecker+Invalid, 325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-23 23:04:12,507 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 930 Invalid, 325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 323 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-23 23:04:12,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 911 states. [2024-11-23 23:04:12,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 911 to 907. [2024-11-23 23:04:12,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 907 states, 773 states have (on average 1.257438551099612) internal successors, (972), 783 states have internal predecessors, (972), 104 states have call successors, (104), 29 states have call predecessors, (104), 29 states have return successors, (104), 94 states have call predecessors, (104), 104 states have call successors, (104) [2024-11-23 23:04:12,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 907 states and 1180 transitions. [2024-11-23 23:04:12,622 INFO L78 Accepts]: Start accepts. Automaton has 907 states and 1180 transitions. Word has length 108 [2024-11-23 23:04:12,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:04:12,625 INFO L471 AbstractCegarLoop]: Abstraction has 907 states and 1180 transitions. [2024-11-23 23:04:12,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 9 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 23:04:12,625 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 1180 transitions. [2024-11-23 23:04:12,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-23 23:04:12,626 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:04:12,626 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:04:12,636 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Ended with exit code 0 [2024-11-23 23:04:12,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:04:12,827 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:04:12,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:04:12,827 INFO L85 PathProgramCache]: Analyzing trace with hash 934091827, now seen corresponding path program 1 times [2024-11-23 23:04:12,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:04:12,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1372869850] [2024-11-23 23:04:12,828 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:04:12,828 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:04:12,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:04:12,832 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:04:12,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2024-11-23 23:04:13,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:04:13,370 INFO L256 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-23 23:04:13,375 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:04:13,481 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 21 [2024-11-23 23:04:14,074 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:04:14,075 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 153 treesize of output 87 [2024-11-23 23:04:20,395 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:04:20,395 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 200 treesize of output 140 [2024-11-23 23:04:20,991 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:04:20,992 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 91 treesize of output 79 [2024-11-23 23:04:22,637 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:04:22,637 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 266 treesize of output 86 [2024-11-23 23:04:22,811 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 32 proven. 72 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-23 23:04:22,811 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:04:23,350 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:04:23,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1372869850] [2024-11-23 23:04:23,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1372869850] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:04:23,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1976549816] [2024-11-23 23:04:23,350 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:04:23,350 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-23 23:04:23,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-23 23:04:23,352 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-23 23:04:23,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7641df60-4fc8-42c2-9f85-692d770811d4/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-23 23:04:25,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:04:25,110 INFO L256 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-23 23:04:25,115 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:04:25,341 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2024-11-23 23:04:30,209 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:04:30,209 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 121 treesize of output 79 [2024-11-23 23:04:36,647 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:04:36,648 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 15 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 164 treesize of output 128 [2024-11-23 23:04:37,349 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:04:37,349 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 28 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 216 treesize of output 174 [2024-11-23 23:04:41,046 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:04:41,046 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 364 treesize of output 188 [2024-11-23 23:04:41,085 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 32 proven. 72 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-23 23:04:41,085 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:05:03,031 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 23:05:03,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1976549816] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-23 23:05:03,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-23 23:05:03,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [11, 15] total 31 [2024-11-23 23:05:03,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679579676] [2024-11-23 23:05:03,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:05:03,032 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-23 23:05:03,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:05:03,032 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-23 23:05:03,033 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=820, Unknown=7, NotChecked=0, Total=992 [2024-11-23 23:05:03,033 INFO L87 Difference]: Start difference. First operand 907 states and 1180 transitions. Second operand has 11 states, 11 states have (on average 5.090909090909091) internal successors, (56), 11 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 23:05:27,944 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 23:05:31,963 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 23:05:35,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 23:05:39,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 23:05:44,005 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 23:05:48,021 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 23:05:52,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 23:05:56,057 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 23:06:00,069 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 23:06:04,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 23:06:08,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 23:06:12,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 23:06:16,128 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 23:06:20,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 23:06:24,153 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 23:06:28,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 23:06:32,182 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 23:06:36,194 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 23:06:40,209 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 23:06:44,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 23:06:48,236 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 23:06:52,253 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 23:06:56,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 23:07:00,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 23:07:04,303 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 23:07:08,317 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 23:07:12,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 23:07:16,352 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 23:07:20,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 23:07:24,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 23:07:28,618 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 23:07:32,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 23:07:36,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 23:07:40,684 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 23:07:44,697 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 23:07:49,865 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 23:07:53,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 23:07:57,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 23:08:01,955 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 23:08:05,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 23:08:09,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 23:08:13,996 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 23:08:18,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 23:08:22,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-23 23:08:26,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1]