./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-97.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b05668-6207-47a3-a004-fc5f8260fc40/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b05668-6207-47a3-a004-fc5f8260fc40/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b05668-6207-47a3-a004-fc5f8260fc40/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b05668-6207-47a3-a004-fc5f8260fc40/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-97.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b05668-6207-47a3-a004-fc5f8260fc40/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b05668-6207-47a3-a004-fc5f8260fc40/bin/uautomizer-verify-aQ6SnzHsRB --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 c2b5d83791f5c517cc904865b76453ec006da14f7434583f731bc2f7adcccacf --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:49:33,559 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:49:33,665 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b05668-6207-47a3-a004-fc5f8260fc40/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 03:49:33,675 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:49:33,675 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:49:33,715 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:49:33,717 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:49:33,717 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:49:33,718 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:49:33,718 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:49:33,719 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:49:33,719 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:49:33,719 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:49:33,719 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:49:33,720 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:49:33,720 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:49:33,720 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:49:33,720 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:49:33,720 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:49:33,721 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:49:33,721 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:49:33,721 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:49:33,721 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:49:33,721 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:49:33,722 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:49:33,722 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:49:33,722 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:49:33,722 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:49:33,723 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:49:33,723 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:49:33,724 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:49:33,724 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:49:33,724 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:49:33,725 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:49:33,725 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:49:33,725 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:49:33,725 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:49:33,725 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:49:33,725 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:49:33,726 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:49:33,726 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:49:33,726 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:49:33,726 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:49:33,726 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:49:33,726 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:49:33,726 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:49:33,726 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:49:33,727 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:49:33,727 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_f4b05668-6207-47a3-a004-fc5f8260fc40/bin/uautomizer-verify-aQ6SnzHsRB 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 -> c2b5d83791f5c517cc904865b76453ec006da14f7434583f731bc2f7adcccacf [2024-11-28 03:49:34,119 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:49:34,128 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:49:34,131 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:49:34,132 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:49:34,133 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:49:34,134 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b05668-6207-47a3-a004-fc5f8260fc40/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-97.i [2024-11-28 03:49:37,689 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b05668-6207-47a3-a004-fc5f8260fc40/bin/uautomizer-verify-aQ6SnzHsRB/data/35acadbec/0e0945cf028e4c95b485602f947a8d0e/FLAGa94189786 [2024-11-28 03:49:38,041 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:49:38,042 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b05668-6207-47a3-a004-fc5f8260fc40/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-97.i [2024-11-28 03:49:38,057 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b05668-6207-47a3-a004-fc5f8260fc40/bin/uautomizer-verify-aQ6SnzHsRB/data/35acadbec/0e0945cf028e4c95b485602f947a8d0e/FLAGa94189786 [2024-11-28 03:49:38,083 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b05668-6207-47a3-a004-fc5f8260fc40/bin/uautomizer-verify-aQ6SnzHsRB/data/35acadbec/0e0945cf028e4c95b485602f947a8d0e [2024-11-28 03:49:38,089 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:49:38,091 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:49:38,095 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:49:38,095 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:49:38,101 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:49:38,104 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:49:38" (1/1) ... [2024-11-28 03:49:38,105 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4341b9b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:49:38, skipping insertion in model container [2024-11-28 03:49:38,106 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:49:38" (1/1) ... [2024-11-28 03:49:38,136 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:49:38,314 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_f4b05668-6207-47a3-a004-fc5f8260fc40/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-97.i[919,932] [2024-11-28 03:49:38,409 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:49:38,423 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:49:38,437 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_f4b05668-6207-47a3-a004-fc5f8260fc40/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-97.i[919,932] [2024-11-28 03:49:38,497 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:49:38,519 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:49:38,519 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:49:38 WrapperNode [2024-11-28 03:49:38,520 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:49:38,521 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:49:38,521 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:49:38,522 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:49:38,530 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:49:38" (1/1) ... [2024-11-28 03:49:38,553 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:49:38" (1/1) ... [2024-11-28 03:49:38,627 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 251 [2024-11-28 03:49:38,627 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:49:38,628 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:49:38,628 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:49:38,628 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:49:38,640 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:49:38" (1/1) ... [2024-11-28 03:49:38,640 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:49:38" (1/1) ... [2024-11-28 03:49:38,648 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:49:38" (1/1) ... [2024-11-28 03:49:38,689 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-28 03:49:38,693 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:49:38" (1/1) ... [2024-11-28 03:49:38,693 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:49:38" (1/1) ... [2024-11-28 03:49:38,723 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:49:38" (1/1) ... [2024-11-28 03:49:38,726 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:49:38" (1/1) ... [2024-11-28 03:49:38,735 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:49:38" (1/1) ... [2024-11-28 03:49:38,748 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:49:38" (1/1) ... [2024-11-28 03:49:38,751 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:49:38" (1/1) ... [2024-11-28 03:49:38,763 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:49:38,766 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:49:38,766 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:49:38,766 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:49:38,767 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:49:38" (1/1) ... [2024-11-28 03:49:38,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:49:38,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b05668-6207-47a3-a004-fc5f8260fc40/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:49:38,812 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b05668-6207-47a3-a004-fc5f8260fc40/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:49:38,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b05668-6207-47a3-a004-fc5f8260fc40/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:49:38,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:49:38,848 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 03:49:38,848 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 03:49:38,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 03:49:38,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:49:38,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:49:38,949 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:49:38,952 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:49:39,752 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-28 03:49:39,752 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:49:39,765 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:49:39,766 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 03:49:39,766 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:49:39 BoogieIcfgContainer [2024-11-28 03:49:39,766 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:49:39,769 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:49:39,769 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:49:39,776 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:49:39,776 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:49:38" (1/3) ... [2024-11-28 03:49:39,777 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6acf175b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:49:39, skipping insertion in model container [2024-11-28 03:49:39,777 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:49:38" (2/3) ... [2024-11-28 03:49:39,777 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6acf175b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:49:39, skipping insertion in model container [2024-11-28 03:49:39,777 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:49:39" (3/3) ... [2024-11-28 03:49:39,779 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-97.i [2024-11-28 03:49:39,798 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:49:39,800 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-97.i that has 2 procedures, 106 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 03:49:39,903 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:49:39,923 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;@3de1d560, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:49:39,924 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 03:49:39,928 INFO L276 IsEmpty]: Start isEmpty. Operand has 106 states, 83 states have (on average 1.5180722891566265) internal successors, (126), 84 states have internal predecessors, (126), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-28 03:49:39,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-28 03:49:39,946 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:49:39,948 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:49:39,949 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:49:39,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:49:39,959 INFO L85 PathProgramCache]: Analyzing trace with hash -1183361948, now seen corresponding path program 1 times [2024-11-28 03:49:39,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:49:39,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858757355] [2024-11-28 03:49:39,970 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:49:39,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:49:40,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:49:40,339 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2024-11-28 03:49:40,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:49:40,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858757355] [2024-11-28 03:49:40,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858757355] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:49:40,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1377195036] [2024-11-28 03:49:40,343 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:49:40,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:49:40,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b05668-6207-47a3-a004-fc5f8260fc40/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:49:40,348 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b05668-6207-47a3-a004-fc5f8260fc40/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:49:40,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b05668-6207-47a3-a004-fc5f8260fc40/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 03:49:40,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:49:40,559 INFO L256 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 03:49:40,570 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:49:40,614 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2024-11-28 03:49:40,615 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:49:40,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1377195036] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:49:40,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:49:40,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 03:49:40,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418327917] [2024-11-28 03:49:40,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:49:40,624 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 03:49:40,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:49:40,647 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 03:49:40,648 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:49:40,651 INFO L87 Difference]: Start difference. First operand has 106 states, 83 states have (on average 1.5180722891566265) internal successors, (126), 84 states have internal predecessors, (126), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-28 03:49:40,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:49:40,696 INFO L93 Difference]: Finished difference Result 205 states and 346 transitions. [2024-11-28 03:49:40,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 03:49:40,699 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 140 [2024-11-28 03:49:40,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:49:40,712 INFO L225 Difference]: With dead ends: 205 [2024-11-28 03:49:40,712 INFO L226 Difference]: Without dead ends: 102 [2024-11-28 03:49:40,717 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:49:40,722 INFO L435 NwaCegarLoop]: 156 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, 156 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 [2024-11-28 03:49:40,723 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:49:40,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2024-11-28 03:49:40,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2024-11-28 03:49:40,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 80 states have (on average 1.45) internal successors, (116), 80 states have internal predecessors, (116), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-28 03:49:40,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 156 transitions. [2024-11-28 03:49:40,770 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 156 transitions. Word has length 140 [2024-11-28 03:49:40,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:49:40,771 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 156 transitions. [2024-11-28 03:49:40,771 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-28 03:49:40,771 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 156 transitions. [2024-11-28 03:49:40,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-28 03:49:40,775 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:49:40,775 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:49:40,786 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b05668-6207-47a3-a004-fc5f8260fc40/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 03:49:40,980 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b05668-6207-47a3-a004-fc5f8260fc40/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 03:49:40,980 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:49:40,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:49:40,981 INFO L85 PathProgramCache]: Analyzing trace with hash 1120654700, now seen corresponding path program 1 times [2024-11-28 03:49:40,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:49:40,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965126825] [2024-11-28 03:49:40,982 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:49:40,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:49:41,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:49:41,480 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-28 03:49:41,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:49:41,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965126825] [2024-11-28 03:49:41,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965126825] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:49:41,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:49:41,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:49:41,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853082662] [2024-11-28 03:49:41,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:49:41,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:49:41,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:49:41,483 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:49:41,483 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:49:41,483 INFO L87 Difference]: Start difference. First operand 102 states and 156 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 03:49:41,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:49:41,624 INFO L93 Difference]: Finished difference Result 286 states and 439 transitions. [2024-11-28 03:49:41,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:49:41,624 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 140 [2024-11-28 03:49:41,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:49:41,630 INFO L225 Difference]: With dead ends: 286 [2024-11-28 03:49:41,631 INFO L226 Difference]: Without dead ends: 187 [2024-11-28 03:49:41,632 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 [2024-11-28 03:49:41,635 INFO L435 NwaCegarLoop]: 244 mSDtfsCounter, 139 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:49:41,636 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 360 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:49:41,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2024-11-28 03:49:41,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 170. [2024-11-28 03:49:41,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 127 states have (on average 1.3700787401574803) internal successors, (174), 127 states have internal predecessors, (174), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-28 03:49:41,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 254 transitions. [2024-11-28 03:49:41,699 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 254 transitions. Word has length 140 [2024-11-28 03:49:41,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:49:41,700 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 254 transitions. [2024-11-28 03:49:41,700 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 03:49:41,701 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 254 transitions. [2024-11-28 03:49:41,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-28 03:49:41,707 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:49:41,707 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:49:41,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 03:49:41,709 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:49:41,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:49:41,710 INFO L85 PathProgramCache]: Analyzing trace with hash -159208978, now seen corresponding path program 1 times [2024-11-28 03:49:41,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:49:41,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399172121] [2024-11-28 03:49:41,710 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:49:41,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:49:41,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:49:42,296 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-28 03:49:42,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:49:42,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399172121] [2024-11-28 03:49:42,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399172121] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:49:42,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:49:42,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:49:42,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79801033] [2024-11-28 03:49:42,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:49:42,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:49:42,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:49:42,302 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:49:42,302 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:49:42,302 INFO L87 Difference]: Start difference. First operand 170 states and 254 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 03:49:42,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:49:42,411 INFO L93 Difference]: Finished difference Result 394 states and 594 transitions. [2024-11-28 03:49:42,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:49:42,412 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 140 [2024-11-28 03:49:42,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:49:42,416 INFO L225 Difference]: With dead ends: 394 [2024-11-28 03:49:42,416 INFO L226 Difference]: Without dead ends: 227 [2024-11-28 03:49:42,418 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 [2024-11-28 03:49:42,419 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 51 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:49:42,419 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 290 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:49:42,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2024-11-28 03:49:42,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 212. [2024-11-28 03:49:42,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 148 states have (on average 1.3310810810810811) internal successors, (197), 148 states have internal predecessors, (197), 60 states have call successors, (60), 3 states have call predecessors, (60), 3 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-28 03:49:42,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 317 transitions. [2024-11-28 03:49:42,480 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 317 transitions. Word has length 140 [2024-11-28 03:49:42,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:49:42,481 INFO L471 AbstractCegarLoop]: Abstraction has 212 states and 317 transitions. [2024-11-28 03:49:42,481 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 03:49:42,481 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 317 transitions. [2024-11-28 03:49:42,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-28 03:49:42,487 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:49:42,487 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:49:42,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 03:49:42,492 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:49:42,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:49:42,492 INFO L85 PathProgramCache]: Analyzing trace with hash 263492848, now seen corresponding path program 1 times [2024-11-28 03:49:42,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:49:42,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764820297] [2024-11-28 03:49:42,493 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:49:42,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:49:42,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:49:43,174 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-28 03:49:43,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:49:43,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764820297] [2024-11-28 03:49:43,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764820297] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:49:43,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:49:43,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:49:43,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720865245] [2024-11-28 03:49:43,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:49:43,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:49:43,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:49:43,177 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:49:43,177 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:49:43,177 INFO L87 Difference]: Start difference. First operand 212 states and 317 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 03:49:43,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:49:43,722 INFO L93 Difference]: Finished difference Result 555 states and 836 transitions. [2024-11-28 03:49:43,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:49:43,723 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 140 [2024-11-28 03:49:43,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:49:43,727 INFO L225 Difference]: With dead ends: 555 [2024-11-28 03:49:43,727 INFO L226 Difference]: Without dead ends: 388 [2024-11-28 03:49:43,733 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:49:43,734 INFO L435 NwaCegarLoop]: 228 mSDtfsCounter, 236 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:49:43,736 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 534 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 03:49:43,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2024-11-28 03:49:43,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 371. [2024-11-28 03:49:43,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 371 states, 265 states have (on average 1.3396226415094339) internal successors, (355), 265 states have internal predecessors, (355), 100 states have call successors, (100), 5 states have call predecessors, (100), 5 states have return successors, (100), 100 states have call predecessors, (100), 100 states have call successors, (100) [2024-11-28 03:49:43,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 555 transitions. [2024-11-28 03:49:43,795 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 555 transitions. Word has length 140 [2024-11-28 03:49:43,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:49:43,796 INFO L471 AbstractCegarLoop]: Abstraction has 371 states and 555 transitions. [2024-11-28 03:49:43,796 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 03:49:43,797 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 555 transitions. [2024-11-28 03:49:43,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-28 03:49:43,799 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:49:43,799 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:49:43,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 03:49:43,800 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:49:43,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:49:43,801 INFO L85 PathProgramCache]: Analyzing trace with hash -2115822692, now seen corresponding path program 1 times [2024-11-28 03:49:43,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:49:43,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616951423] [2024-11-28 03:49:43,801 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:49:43,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:49:43,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:49:44,681 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-28 03:49:44,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:49:44,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616951423] [2024-11-28 03:49:44,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616951423] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:49:44,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:49:44,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 03:49:44,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658258227] [2024-11-28 03:49:44,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:49:44,684 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 03:49:44,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:49:44,685 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 03:49:44,685 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:49:44,686 INFO L87 Difference]: Start difference. First operand 371 states and 555 transitions. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 03:49:45,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:49:45,486 INFO L93 Difference]: Finished difference Result 896 states and 1332 transitions. [2024-11-28 03:49:45,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:49:45,490 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 141 [2024-11-28 03:49:45,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:49:45,502 INFO L225 Difference]: With dead ends: 896 [2024-11-28 03:49:45,502 INFO L226 Difference]: Without dead ends: 570 [2024-11-28 03:49:45,504 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:49:45,505 INFO L435 NwaCegarLoop]: 186 mSDtfsCounter, 323 mSDsluCounter, 360 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 323 SdHoareTripleChecker+Valid, 546 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 03:49:45,506 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [323 Valid, 546 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 03:49:45,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2024-11-28 03:49:45,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 540. [2024-11-28 03:49:45,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 392 states have (on average 1.316326530612245) internal successors, (516), 392 states have internal predecessors, (516), 140 states have call successors, (140), 7 states have call predecessors, (140), 7 states have return successors, (140), 140 states have call predecessors, (140), 140 states have call successors, (140) [2024-11-28 03:49:45,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 796 transitions. [2024-11-28 03:49:45,616 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 796 transitions. Word has length 141 [2024-11-28 03:49:45,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:49:45,617 INFO L471 AbstractCegarLoop]: Abstraction has 540 states and 796 transitions. [2024-11-28 03:49:45,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 03:49:45,618 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 796 transitions. [2024-11-28 03:49:45,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-28 03:49:45,620 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:49:45,620 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:49:45,620 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 03:49:45,620 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:49:45,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:49:45,621 INFO L85 PathProgramCache]: Analyzing trace with hash 1495744966, now seen corresponding path program 1 times [2024-11-28 03:49:45,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:49:45,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357349003] [2024-11-28 03:49:45,622 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:49:45,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:49:45,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:49:46,100 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-28 03:49:46,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:49:46,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357349003] [2024-11-28 03:49:46,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357349003] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:49:46,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:49:46,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:49:46,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179419142] [2024-11-28 03:49:46,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:49:46,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:49:46,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:49:46,102 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:49:46,102 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:49:46,105 INFO L87 Difference]: Start difference. First operand 540 states and 796 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 03:49:46,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:49:46,389 INFO L93 Difference]: Finished difference Result 1141 states and 1706 transitions. [2024-11-28 03:49:46,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:49:46,389 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 142 [2024-11-28 03:49:46,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:49:46,398 INFO L225 Difference]: With dead ends: 1141 [2024-11-28 03:49:46,398 INFO L226 Difference]: Without dead ends: 646 [2024-11-28 03:49:46,403 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:49:46,404 INFO L435 NwaCegarLoop]: 152 mSDtfsCounter, 301 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 301 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:49:46,404 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [301 Valid, 483 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:49:46,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 646 states. [2024-11-28 03:49:46,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 646 to 600. [2024-11-28 03:49:46,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 600 states, 448 states have (on average 1.3169642857142858) internal successors, (590), 452 states have internal predecessors, (590), 142 states have call successors, (142), 9 states have call predecessors, (142), 9 states have return successors, (142), 138 states have call predecessors, (142), 142 states have call successors, (142) [2024-11-28 03:49:46,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 874 transitions. [2024-11-28 03:49:46,551 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 874 transitions. Word has length 142 [2024-11-28 03:49:46,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:49:46,555 INFO L471 AbstractCegarLoop]: Abstraction has 600 states and 874 transitions. [2024-11-28 03:49:46,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 03:49:46,555 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 874 transitions. [2024-11-28 03:49:46,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-28 03:49:46,557 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:49:46,557 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:49:46,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 03:49:46,559 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:49:46,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:49:46,560 INFO L85 PathProgramCache]: Analyzing trace with hash -372113381, now seen corresponding path program 1 times [2024-11-28 03:49:46,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:49:46,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805878568] [2024-11-28 03:49:46,560 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:49:46,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:49:46,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:49:47,249 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-28 03:49:47,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:49:47,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805878568] [2024-11-28 03:49:47,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805878568] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:49:47,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:49:47,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:49:47,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622906098] [2024-11-28 03:49:47,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:49:47,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:49:47,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:49:47,251 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:49:47,251 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:49:47,251 INFO L87 Difference]: Start difference. First operand 600 states and 874 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 03:49:47,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:49:47,469 INFO L93 Difference]: Finished difference Result 1193 states and 1746 transitions. [2024-11-28 03:49:47,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:49:47,469 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 142 [2024-11-28 03:49:47,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:49:47,477 INFO L225 Difference]: With dead ends: 1193 [2024-11-28 03:49:47,477 INFO L226 Difference]: Without dead ends: 637 [2024-11-28 03:49:47,480 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 [2024-11-28 03:49:47,481 INFO L435 NwaCegarLoop]: 236 mSDtfsCounter, 129 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 568 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:49:47,482 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 568 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:49:47,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2024-11-28 03:49:47,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 600. [2024-11-28 03:49:47,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 600 states, 448 states have (on average 1.296875) internal successors, (581), 452 states have internal predecessors, (581), 142 states have call successors, (142), 9 states have call predecessors, (142), 9 states have return successors, (142), 138 states have call predecessors, (142), 142 states have call successors, (142) [2024-11-28 03:49:47,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 865 transitions. [2024-11-28 03:49:47,651 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 865 transitions. Word has length 142 [2024-11-28 03:49:47,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:49:47,653 INFO L471 AbstractCegarLoop]: Abstraction has 600 states and 865 transitions. [2024-11-28 03:49:47,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 03:49:47,653 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 865 transitions. [2024-11-28 03:49:47,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-28 03:49:47,655 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:49:47,657 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:49:47,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 03:49:47,657 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:49:47,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:49:47,658 INFO L85 PathProgramCache]: Analyzing trace with hash -1661701271, now seen corresponding path program 1 times [2024-11-28 03:49:47,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:49:47,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439742128] [2024-11-28 03:49:47,658 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:49:47,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:49:47,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:49:48,021 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-28 03:49:48,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:49:48,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439742128] [2024-11-28 03:49:48,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439742128] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:49:48,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:49:48,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:49:48,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695814945] [2024-11-28 03:49:48,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:49:48,022 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:49:48,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:49:48,023 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:49:48,023 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:49:48,023 INFO L87 Difference]: Start difference. First operand 600 states and 865 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 03:49:48,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:49:48,754 INFO L93 Difference]: Finished difference Result 915 states and 1333 transitions. [2024-11-28 03:49:48,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:49:48,755 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 145 [2024-11-28 03:49:48,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:49:48,761 INFO L225 Difference]: With dead ends: 915 [2024-11-28 03:49:48,761 INFO L226 Difference]: Without dead ends: 675 [2024-11-28 03:49:48,763 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:49:48,763 INFO L435 NwaCegarLoop]: 310 mSDtfsCounter, 252 mSDsluCounter, 540 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 850 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 03:49:48,764 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 850 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 03:49:48,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 675 states. [2024-11-28 03:49:48,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 675 to 600. [2024-11-28 03:49:48,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 600 states, 448 states have (on average 1.2946428571428572) internal successors, (580), 452 states have internal predecessors, (580), 142 states have call successors, (142), 9 states have call predecessors, (142), 9 states have return successors, (142), 138 states have call predecessors, (142), 142 states have call successors, (142) [2024-11-28 03:49:48,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 864 transitions. [2024-11-28 03:49:48,933 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 864 transitions. Word has length 145 [2024-11-28 03:49:48,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:49:48,933 INFO L471 AbstractCegarLoop]: Abstraction has 600 states and 864 transitions. [2024-11-28 03:49:48,934 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 03:49:48,934 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 864 transitions. [2024-11-28 03:49:48,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-28 03:49:48,936 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:49:48,936 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:49:48,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 03:49:48,937 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:49:48,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:49:48,938 INFO L85 PathProgramCache]: Analyzing trace with hash 2077653650, now seen corresponding path program 1 times [2024-11-28 03:49:48,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:49:48,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279359572] [2024-11-28 03:49:48,938 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:49:48,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:49:49,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:49:59,545 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-28 03:49:59,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:49:59,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279359572] [2024-11-28 03:49:59,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279359572] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:49:59,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:49:59,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-28 03:49:59,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135642473] [2024-11-28 03:49:59,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:49:59,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 03:49:59,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:49:59,547 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 03:49:59,547 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:49:59,548 INFO L87 Difference]: Start difference. First operand 600 states and 864 transitions. Second operand has 10 states, 10 states have (on average 4.9) internal successors, (49), 10 states have internal predecessors, (49), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 03:50:03,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:50:03,342 INFO L93 Difference]: Finished difference Result 1396 states and 1927 transitions. [2024-11-28 03:50:03,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 03:50:03,343 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.9) internal successors, (49), 10 states have internal predecessors, (49), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 146 [2024-11-28 03:50:03,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:50:03,350 INFO L225 Difference]: With dead ends: 1396 [2024-11-28 03:50:03,350 INFO L226 Difference]: Without dead ends: 1001 [2024-11-28 03:50:03,352 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2024-11-28 03:50:03,352 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 222 mSDsluCounter, 372 mSDsCounter, 0 mSdLazyCounter, 364 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 520 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-28 03:50:03,353 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 520 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 364 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-28 03:50:03,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1001 states. [2024-11-28 03:50:03,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1001 to 914. [2024-11-28 03:50:03,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 914 states, 741 states have (on average 1.2645074224021593) internal successors, (937), 752 states have internal predecessors, (937), 156 states have call successors, (156), 16 states have call predecessors, (156), 16 states have return successors, (156), 145 states have call predecessors, (156), 156 states have call successors, (156) [2024-11-28 03:50:03,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 914 states to 914 states and 1249 transitions. [2024-11-28 03:50:03,544 INFO L78 Accepts]: Start accepts. Automaton has 914 states and 1249 transitions. Word has length 146 [2024-11-28 03:50:03,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:50:03,545 INFO L471 AbstractCegarLoop]: Abstraction has 914 states and 1249 transitions. [2024-11-28 03:50:03,545 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.9) internal successors, (49), 10 states have internal predecessors, (49), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 03:50:03,546 INFO L276 IsEmpty]: Start isEmpty. Operand 914 states and 1249 transitions. [2024-11-28 03:50:03,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-28 03:50:03,548 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:50:03,548 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:50:03,549 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 03:50:03,549 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:50:03,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:50:03,550 INFO L85 PathProgramCache]: Analyzing trace with hash 272215316, now seen corresponding path program 1 times [2024-11-28 03:50:03,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:50:03,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387557873] [2024-11-28 03:50:03,550 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:50:03,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:50:03,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:50:03,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [404930897] [2024-11-28 03:50:03,663 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:50:03,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:50:03,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b05668-6207-47a3-a004-fc5f8260fc40/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:50:03,665 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b05668-6207-47a3-a004-fc5f8260fc40/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:50:03,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b05668-6207-47a3-a004-fc5f8260fc40/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 03:50:03,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:50:03,847 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:50:03,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:50:04,082 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 03:50:04,082 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 03:50:04,083 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 03:50:04,099 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b05668-6207-47a3-a004-fc5f8260fc40/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 03:50:04,287 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b05668-6207-47a3-a004-fc5f8260fc40/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:50:04,292 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:50:04,437 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 03:50:04,441 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:50:04 BoogieIcfgContainer [2024-11-28 03:50:04,442 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 03:50:04,442 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:50:04,443 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:50:04,443 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:50:04,444 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:49:39" (3/4) ... [2024-11-28 03:50:04,447 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 03:50:04,448 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:50:04,449 INFO L158 Benchmark]: Toolchain (without parser) took 26358.28ms. Allocated memory was 117.4MB in the beginning and 285.2MB in the end (delta: 167.8MB). Free memory was 92.3MB in the beginning and 202.5MB in the end (delta: -110.1MB). Peak memory consumption was 62.4MB. Max. memory is 16.1GB. [2024-11-28 03:50:04,449 INFO L158 Benchmark]: CDTParser took 0.54ms. Allocated memory is still 117.4MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:50:04,450 INFO L158 Benchmark]: CACSL2BoogieTranslator took 425.36ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 75.9MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 03:50:04,450 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.50ms. Allocated memory is still 117.4MB. Free memory was 75.9MB in the beginning and 70.0MB in the end (delta: 6.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:50:04,451 INFO L158 Benchmark]: Boogie Preprocessor took 135.26ms. Allocated memory is still 117.4MB. Free memory was 70.0MB in the beginning and 62.0MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:50:04,451 INFO L158 Benchmark]: RCFGBuilder took 1000.52ms. Allocated memory is still 117.4MB. Free memory was 62.0MB in the beginning and 80.5MB in the end (delta: -18.6MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. [2024-11-28 03:50:04,451 INFO L158 Benchmark]: TraceAbstraction took 24672.94ms. Allocated memory was 117.4MB in the beginning and 285.2MB in the end (delta: 167.8MB). Free memory was 79.9MB in the beginning and 202.5MB in the end (delta: -122.5MB). Peak memory consumption was 39.7MB. Max. memory is 16.1GB. [2024-11-28 03:50:04,452 INFO L158 Benchmark]: Witness Printer took 5.51ms. Allocated memory is still 285.2MB. Free memory was 202.5MB in the beginning and 202.5MB in the end (delta: 37.2kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:50:04,454 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54ms. Allocated memory is still 117.4MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 425.36ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 75.9MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.50ms. Allocated memory is still 117.4MB. Free memory was 75.9MB in the beginning and 70.0MB in the end (delta: 6.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 135.26ms. Allocated memory is still 117.4MB. Free memory was 70.0MB in the beginning and 62.0MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1000.52ms. Allocated memory is still 117.4MB. Free memory was 62.0MB in the beginning and 80.5MB in the end (delta: -18.6MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. * TraceAbstraction took 24672.94ms. Allocated memory was 117.4MB in the beginning and 285.2MB in the end (delta: 167.8MB). Free memory was 79.9MB in the beginning and 202.5MB in the end (delta: -122.5MB). Peak memory consumption was 39.7MB. Max. memory is 16.1GB. * Witness Printer took 5.51ms. Allocated memory is still 285.2MB. Free memory was 202.5MB in the beginning and 202.5MB in the end (delta: 37.2kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 174, overapproximation of someBinaryFLOATComparisonOperation at line 140, overapproximation of someBinaryFLOATComparisonOperation at line 138, overapproximation of someBinaryFLOATComparisonOperation at line 88, overapproximation of someBinaryDOUBLEComparisonOperation at line 79, overapproximation of someBinaryDOUBLEComparisonOperation at line 168, overapproximation of someBinaryDOUBLEComparisonOperation at line 70, overapproximation of someBinaryDOUBLEComparisonOperation at line 166. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 2; [L23] signed long int var_1_5 = 5; [L24] unsigned char var_1_8 = 0; [L25] float var_1_9 = 128.6; [L26] float var_1_10 = 32.5; [L27] unsigned char var_1_11 = 16; [L28] unsigned char var_1_12 = 64; [L29] unsigned char var_1_13 = 4; [L30] unsigned char var_1_14 = 4; [L31] unsigned long int var_1_15 = 0; [L32] signed short int var_1_16 = 0; [L33] signed char var_1_17 = 1; [L34] signed char var_1_18 = -1; [L35] signed char var_1_19 = 0; [L36] signed long int var_1_20 = -64; [L37] unsigned char var_1_22 = 0; [L38] unsigned char var_1_23 = 0; [L39] signed short int var_1_24 = -4; [L40] unsigned short int var_1_29 = 8; [L41] unsigned short int var_1_33 = 48416; [L42] unsigned char var_1_35 = 4; [L43] unsigned long int var_1_37 = 32; [L44] unsigned char var_1_38 = 8; [L45] double var_1_40 = 31.75; [L46] double var_1_41 = 5.5; [L47] signed char var_1_43 = 100; [L48] signed long int last_1_var_1_5 = 5; VAL [isInitial=0, last_1_var_1_5=5, var_1_10=65/2, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_29=8, var_1_33=48416, var_1_35=4, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_43=100, var_1_5=5, var_1_8=0, var_1_9=643/5] [L178] isInitial = 1 [L179] FCALL initially() [L181] CALL updateLastVariables() [L171] last_1_var_1_5 = var_1_5 VAL [isInitial=1, last_1_var_1_5=5, var_1_10=65/2, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_29=8, var_1_33=48416, var_1_35=4, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_43=100, var_1_5=5, var_1_8=0, var_1_9=643/5] [L181] RET updateLastVariables() [L182] CALL updateVariables() [L137] var_1_9 = __VERIFIER_nondet_float() [L138] CALL assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_10=65/2, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_29=8, var_1_33=48416, var_1_35=4, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_43=100, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_10=65/2, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_29=8, var_1_33=48416, var_1_35=4, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_43=100, var_1_5=5, var_1_8=0] [L138] RET assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_5=5, var_1_10=65/2, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_29=8, var_1_33=48416, var_1_35=4, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_43=100, var_1_5=5, var_1_8=0] [L139] var_1_10 = __VERIFIER_nondet_float() [L140] CALL assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_29=8, var_1_33=48416, var_1_35=4, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_43=100, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_29=8, var_1_33=48416, var_1_35=4, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_43=100, var_1_5=5, var_1_8=0] [L140] RET assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_29=8, var_1_33=48416, var_1_35=4, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_43=100, var_1_5=5, var_1_8=0] [L141] var_1_11 = __VERIFIER_nondet_uchar() [L142] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_29=8, var_1_33=48416, var_1_35=4, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_43=100, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_29=8, var_1_33=48416, var_1_35=4, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_43=100, var_1_5=5, var_1_8=0] [L142] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_5=5, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_29=8, var_1_33=48416, var_1_35=4, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_43=100, var_1_5=5, var_1_8=0] [L143] CALL assume_abort_if_not(var_1_11 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_29=8, var_1_33=48416, var_1_35=4, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_43=100, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_29=8, var_1_33=48416, var_1_35=4, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_43=100, var_1_5=5, var_1_8=0] [L143] RET assume_abort_if_not(var_1_11 <= 127) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_29=8, var_1_33=48416, var_1_35=4, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_43=100, var_1_5=5, var_1_8=0] [L144] var_1_12 = __VERIFIER_nondet_uchar() [L145] CALL assume_abort_if_not(var_1_12 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=65, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_29=8, var_1_33=48416, var_1_35=4, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_43=100, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=65, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_29=8, var_1_33=48416, var_1_35=4, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_43=100, var_1_5=5, var_1_8=0] [L145] RET assume_abort_if_not(var_1_12 >= 63) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=65, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_29=8, var_1_33=48416, var_1_35=4, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_43=100, var_1_5=5, var_1_8=0] [L146] CALL assume_abort_if_not(var_1_12 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=65, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_29=8, var_1_33=48416, var_1_35=4, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_43=100, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=65, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_29=8, var_1_33=48416, var_1_35=4, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_43=100, var_1_5=5, var_1_8=0] [L146] RET assume_abort_if_not(var_1_12 <= 127) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=65, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_29=8, var_1_33=48416, var_1_35=4, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_43=100, var_1_5=5, var_1_8=0] [L147] var_1_13 = __VERIFIER_nondet_uchar() [L148] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=65, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_29=8, var_1_33=48416, var_1_35=4, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_43=100, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=65, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_29=8, var_1_33=48416, var_1_35=4, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_43=100, var_1_5=5, var_1_8=0] [L148] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=65, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_29=8, var_1_33=48416, var_1_35=4, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_43=100, var_1_5=5, var_1_8=0] [L149] CALL assume_abort_if_not(var_1_13 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=65, var_1_13=0, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_29=8, var_1_33=48416, var_1_35=4, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_43=100, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=65, var_1_13=0, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_29=8, var_1_33=48416, var_1_35=4, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_43=100, var_1_5=5, var_1_8=0] [L149] RET assume_abort_if_not(var_1_13 <= 63) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=65, var_1_13=0, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_29=8, var_1_33=48416, var_1_35=4, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_43=100, var_1_5=5, var_1_8=0] [L150] var_1_14 = __VERIFIER_nondet_uchar() [L151] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=65, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_29=8, var_1_33=48416, var_1_35=4, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_43=100, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=65, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_29=8, var_1_33=48416, var_1_35=4, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_43=100, var_1_5=5, var_1_8=0] [L151] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=65, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_29=8, var_1_33=48416, var_1_35=4, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_43=100, var_1_5=5, var_1_8=0] [L152] CALL assume_abort_if_not(var_1_14 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=65, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_29=8, var_1_33=48416, var_1_35=4, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_43=100, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=65, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_29=8, var_1_33=48416, var_1_35=4, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_43=100, var_1_5=5, var_1_8=0] [L152] RET assume_abort_if_not(var_1_14 <= 127) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=65, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_29=8, var_1_33=48416, var_1_35=4, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_43=100, var_1_5=5, var_1_8=0] [L153] var_1_18 = __VERIFIER_nondet_char() [L154] CALL assume_abort_if_not(var_1_18 >= -31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=65, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_29=8, var_1_33=48416, var_1_35=4, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_43=100, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=65, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_29=8, var_1_33=48416, var_1_35=4, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_43=100, var_1_5=5, var_1_8=0] [L154] RET assume_abort_if_not(var_1_18 >= -31) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=65, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_29=8, var_1_33=48416, var_1_35=4, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_43=100, var_1_5=5, var_1_8=0] [L155] CALL assume_abort_if_not(var_1_18 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=65, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_29=8, var_1_33=48416, var_1_35=4, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_43=100, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=65, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_29=8, var_1_33=48416, var_1_35=4, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_43=100, var_1_5=5, var_1_8=0] [L155] RET assume_abort_if_not(var_1_18 <= 32) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=65, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_29=8, var_1_33=48416, var_1_35=4, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_43=100, var_1_5=5, var_1_8=0] [L156] var_1_19 = __VERIFIER_nondet_char() [L157] CALL assume_abort_if_not(var_1_19 >= -15) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=65, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_29=8, var_1_33=48416, var_1_35=4, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_43=100, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=65, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_29=8, var_1_33=48416, var_1_35=4, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_43=100, var_1_5=5, var_1_8=0] [L157] RET assume_abort_if_not(var_1_19 >= -15) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=65, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_29=8, var_1_33=48416, var_1_35=4, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_43=100, var_1_5=5, var_1_8=0] [L158] CALL assume_abort_if_not(var_1_19 <= 16) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=65, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_29=8, var_1_33=48416, var_1_35=4, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_43=100, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=65, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_29=8, var_1_33=48416, var_1_35=4, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_43=100, var_1_5=5, var_1_8=0] [L158] RET assume_abort_if_not(var_1_19 <= 16) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=65, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_29=8, var_1_33=48416, var_1_35=4, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_43=100, var_1_5=5, var_1_8=0] [L159] var_1_23 = __VERIFIER_nondet_uchar() [L160] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=65, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_24=-4, var_1_29=8, var_1_33=48416, var_1_35=4, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_43=100, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=65, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_24=-4, var_1_29=8, var_1_33=48416, var_1_35=4, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_43=100, var_1_5=5, var_1_8=0] [L160] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=65, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_24=-4, var_1_29=8, var_1_33=48416, var_1_35=4, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_43=100, var_1_5=5, var_1_8=0] [L161] CALL assume_abort_if_not(var_1_23 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=65, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_29=8, var_1_33=48416, var_1_35=4, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_43=100, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=65, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_29=8, var_1_33=48416, var_1_35=4, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_43=100, var_1_5=5, var_1_8=0] [L161] RET assume_abort_if_not(var_1_23 <= 0) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=65, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_29=8, var_1_33=48416, var_1_35=4, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_43=100, var_1_5=5, var_1_8=0] [L162] var_1_33 = __VERIFIER_nondet_ushort() [L163] CALL assume_abort_if_not(var_1_33 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=65, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_29=8, var_1_33=32767, var_1_35=4, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_43=100, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=65, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_29=8, var_1_33=32767, var_1_35=4, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_43=100, var_1_5=5, var_1_8=0] [L163] RET assume_abort_if_not(var_1_33 >= 32767) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=65, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_29=8, var_1_33=32767, var_1_35=4, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_43=100, var_1_5=5, var_1_8=0] [L164] CALL assume_abort_if_not(var_1_33 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=65, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_29=8, var_1_33=32767, var_1_35=4, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_43=100, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=65, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_29=8, var_1_33=32767, var_1_35=4, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_43=100, var_1_5=5, var_1_8=0] [L164] RET assume_abort_if_not(var_1_33 <= 65534) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=65, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_29=8, var_1_33=32767, var_1_35=4, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_43=100, var_1_5=5, var_1_8=0] [L165] var_1_40 = __VERIFIER_nondet_double() [L166] CALL assume_abort_if_not((var_1_40 >= 0.0F && var_1_40 <= -1.0e-20F) || (var_1_40 <= 9223372.036854776000e+12F && var_1_40 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=65, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_29=8, var_1_33=32767, var_1_35=4, var_1_37=32, var_1_38=8, var_1_41=11/2, var_1_43=100, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=65, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_29=8, var_1_33=32767, var_1_35=4, var_1_37=32, var_1_38=8, var_1_41=11/2, var_1_43=100, var_1_5=5, var_1_8=0] [L166] RET assume_abort_if_not((var_1_40 >= 0.0F && var_1_40 <= -1.0e-20F) || (var_1_40 <= 9223372.036854776000e+12F && var_1_40 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=65, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_29=8, var_1_33=32767, var_1_35=4, var_1_37=32, var_1_38=8, var_1_41=11/2, var_1_43=100, var_1_5=5, var_1_8=0] [L167] var_1_41 = __VERIFIER_nondet_double() [L168] CALL assume_abort_if_not((var_1_41 >= 0.0F && var_1_41 <= -1.0e-20F) || (var_1_41 <= 9223372.036854776000e+12F && var_1_41 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=65, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_29=8, var_1_33=32767, var_1_35=4, var_1_37=32, var_1_38=8, var_1_43=100, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=65, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_29=8, var_1_33=32767, var_1_35=4, var_1_37=32, var_1_38=8, var_1_43=100, var_1_5=5, var_1_8=0] [L168] RET assume_abort_if_not((var_1_41 >= 0.0F && var_1_41 <= -1.0e-20F) || (var_1_41 <= 9223372.036854776000e+12F && var_1_41 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=65, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_29=8, var_1_33=32767, var_1_35=4, var_1_37=32, var_1_38=8, var_1_43=100, var_1_5=5, var_1_8=0] [L182] RET updateVariables() [L183] CALL step() [L52] COND FALSE !(\read(var_1_23)) [L57] var_1_24 = ((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=65, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=0, var_1_29=8, var_1_33=32767, var_1_35=4, var_1_37=32, var_1_38=8, var_1_43=100, var_1_5=5, var_1_8=0] [L59] COND FALSE !((var_1_20 / var_1_12) < var_1_11) [L62] var_1_29 = ((((((((((((var_1_12) < (var_1_8)) ? (var_1_12) : (var_1_8)))) > (var_1_12)) ? (((((var_1_12) < (var_1_8)) ? (var_1_12) : (var_1_8)))) : (var_1_12)))) > ((var_1_33 - var_1_11))) ? (((((((((var_1_12) < (var_1_8)) ? (var_1_12) : (var_1_8)))) > (var_1_12)) ? (((((var_1_12) < (var_1_8)) ? (var_1_12) : (var_1_8)))) : (var_1_12)))) : ((var_1_33 - var_1_11)))) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=65, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=0, var_1_29=32767, var_1_33=32767, var_1_35=4, var_1_37=32, var_1_38=8, var_1_43=100, var_1_5=5, var_1_8=0] [L64] COND FALSE !(\read(var_1_22)) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=65, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=0, var_1_29=32767, var_1_33=32767, var_1_35=4, var_1_37=32, var_1_38=8, var_1_43=100, var_1_5=5, var_1_8=0] [L67] COND TRUE ((((var_1_8) < (var_1_12)) ? (var_1_8) : (var_1_12))) >= var_1_20 [L68] var_1_37 = var_1_8 VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=65, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=0, var_1_29=32767, var_1_33=32767, var_1_35=4, var_1_37=0, var_1_38=8, var_1_43=100, var_1_5=5, var_1_8=0] [L70] COND FALSE !((var_1_9 * (var_1_40 - var_1_41)) >= var_1_9) [L77] var_1_38 = var_1_14 VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=65, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=0, var_1_29=32767, var_1_33=32767, var_1_35=4, var_1_37=0, var_1_38=0, var_1_43=100, var_1_5=5, var_1_8=0] [L79] COND FALSE !(((((var_1_10) > (64.75f)) ? (var_1_10) : (64.75f))) <= var_1_40) [L86] var_1_43 = var_1_13 VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=65, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=0, var_1_29=32767, var_1_33=32767, var_1_35=4, var_1_37=0, var_1_38=0, var_1_43=0, var_1_5=5, var_1_8=0] [L88] COND FALSE !(var_1_9 > var_1_10) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=65, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=0, var_1_29=32767, var_1_33=32767, var_1_35=4, var_1_37=0, var_1_38=0, var_1_43=0, var_1_5=5, var_1_8=0] [L91] var_1_20 = var_1_8 [L92] var_1_22 = var_1_23 VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=65, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_29=32767, var_1_33=32767, var_1_35=4, var_1_37=0, var_1_38=0, var_1_43=0, var_1_5=5, var_1_8=0] [L93] COND FALSE !(\read(var_1_22)) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=65, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_29=32767, var_1_33=32767, var_1_35=4, var_1_37=0, var_1_38=0, var_1_43=0, var_1_5=5, var_1_8=0] [L96] var_1_16 = (((((var_1_15) < (((((var_1_13) > (var_1_12)) ? (var_1_13) : (var_1_12))))) ? (var_1_15) : (((((var_1_13) > (var_1_12)) ? (var_1_13) : (var_1_12)))))) - var_1_11) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=65, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_29=32767, var_1_33=32767, var_1_35=4, var_1_37=0, var_1_38=0, var_1_43=0, var_1_5=5, var_1_8=0] [L97] COND FALSE !(\read(var_1_22)) [L104] var_1_17 = -32 VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=65, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=-32, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_29=32767, var_1_33=32767, var_1_35=4, var_1_37=0, var_1_38=0, var_1_43=0, var_1_5=5, var_1_8=0] [L106] unsigned long int stepLocal_1 = var_1_20 + var_1_15; [L107] signed long int stepLocal_0 = var_1_20; VAL [isInitial=1, last_1_var_1_5=5, stepLocal_0=0, stepLocal_1=0, var_1_11=0, var_1_12=65, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=-32, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_29=32767, var_1_33=32767, var_1_35=4, var_1_37=0, var_1_38=0, var_1_43=0, var_1_5=5, var_1_8=0] [L108] COND TRUE stepLocal_1 < -200 VAL [isInitial=1, last_1_var_1_5=5, stepLocal_0=0, var_1_11=0, var_1_12=65, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=-32, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_29=32767, var_1_33=32767, var_1_35=4, var_1_37=0, var_1_38=0, var_1_43=0, var_1_5=5, var_1_8=0] [L109] COND FALSE !(\read(var_1_22)) [L116] var_1_1 = var_1_20 VAL [isInitial=1, last_1_var_1_5=5, stepLocal_0=0, var_1_11=0, var_1_12=65, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=-32, var_1_18=-31, var_1_19=-15, var_1_1=0, var_1_20=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_29=32767, var_1_33=32767, var_1_35=4, var_1_37=0, var_1_38=0, var_1_43=0, var_1_5=5, var_1_8=0] [L121] signed long int stepLocal_4 = 256; [L122] unsigned char stepLocal_3 = var_1_22; [L123] unsigned long int stepLocal_2 = var_1_15; VAL [isInitial=1, last_1_var_1_5=5, stepLocal_0=0, stepLocal_2=0, stepLocal_3=0, stepLocal_4=256, var_1_11=0, var_1_12=65, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=-32, var_1_18=-31, var_1_19=-15, var_1_1=0, var_1_20=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_29=32767, var_1_33=32767, var_1_35=4, var_1_37=0, var_1_38=0, var_1_43=0, var_1_5=5, var_1_8=0] [L124] COND FALSE !(stepLocal_4 > (var_1_15 - (last_1_var_1_5 + var_1_8))) VAL [isInitial=1, last_1_var_1_5=5, stepLocal_0=0, stepLocal_2=0, stepLocal_3=0, var_1_11=0, var_1_12=65, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=-32, var_1_18=-31, var_1_19=-15, var_1_1=0, var_1_20=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_29=32767, var_1_33=32767, var_1_35=4, var_1_37=0, var_1_38=0, var_1_43=0, var_1_5=5, var_1_8=0] [L127] COND FALSE !(stepLocal_3 || var_1_22) [L132] var_1_5 = -10000 VAL [isInitial=1, last_1_var_1_5=5, stepLocal_0=0, stepLocal_2=0, var_1_11=0, var_1_12=65, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=-32, var_1_18=-31, var_1_19=-15, var_1_1=0, var_1_20=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_29=32767, var_1_33=32767, var_1_35=4, var_1_37=0, var_1_38=0, var_1_43=0, var_1_5=-10000, var_1_8=0] [L183] RET step() [L184] CALL, EXPR property() [L174] EXPR (((var_1_20 + var_1_15) < -200) ? (var_1_22 ? ((var_1_20 > (- var_1_15)) ? (var_1_1 == ((unsigned long int) var_1_20)) : (var_1_1 == ((unsigned long int) var_1_20))) : (var_1_1 == ((unsigned long int) var_1_20))) : (var_1_1 == ((unsigned long int) var_1_20))) && ((256 > (var_1_15 - (last_1_var_1_5 + var_1_8))) ? (var_1_5 == ((signed long int) last_1_var_1_5)) : ((var_1_22 || var_1_22) ? ((((32 * -25) | last_1_var_1_5) >= var_1_15) ? (var_1_5 == ((signed long int) var_1_8)) : 1) : (var_1_5 == ((signed long int) -10000)))) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=65, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=-32, var_1_18=-31, var_1_19=-15, var_1_1=0, var_1_20=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_29=32767, var_1_33=32767, var_1_35=4, var_1_37=0, var_1_38=0, var_1_43=0, var_1_5=-10000, var_1_8=0] [L174] EXPR (256 > (var_1_15 - (last_1_var_1_5 + var_1_8))) ? (var_1_5 == ((signed long int) last_1_var_1_5)) : ((var_1_22 || var_1_22) ? ((((32 * -25) | last_1_var_1_5) >= var_1_15) ? (var_1_5 == ((signed long int) var_1_8)) : 1) : (var_1_5 == ((signed long int) -10000))) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=65, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=-32, var_1_18=-31, var_1_19=-15, var_1_1=0, var_1_20=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_29=32767, var_1_33=32767, var_1_35=4, var_1_37=0, var_1_38=0, var_1_43=0, var_1_5=-10000, var_1_8=0] [L174] EXPR (var_1_22 || var_1_22) ? ((((32 * -25) | last_1_var_1_5) >= var_1_15) ? (var_1_5 == ((signed long int) var_1_8)) : 1) : (var_1_5 == ((signed long int) -10000)) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=65, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=-32, var_1_18=-31, var_1_19=-15, var_1_1=0, var_1_20=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_29=32767, var_1_33=32767, var_1_35=4, var_1_37=0, var_1_38=0, var_1_43=0, var_1_5=-10000, var_1_8=0] [L174] EXPR (256 > (var_1_15 - (last_1_var_1_5 + var_1_8))) ? (var_1_5 == ((signed long int) last_1_var_1_5)) : ((var_1_22 || var_1_22) ? ((((32 * -25) | last_1_var_1_5) >= var_1_15) ? (var_1_5 == ((signed long int) var_1_8)) : 1) : (var_1_5 == ((signed long int) -10000))) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=65, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=-32, var_1_18=-31, var_1_19=-15, var_1_1=0, var_1_20=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_29=32767, var_1_33=32767, var_1_35=4, var_1_37=0, var_1_38=0, var_1_43=0, var_1_5=-10000, var_1_8=0] [L174] EXPR (((var_1_20 + var_1_15) < -200) ? (var_1_22 ? ((var_1_20 > (- var_1_15)) ? (var_1_1 == ((unsigned long int) var_1_20)) : (var_1_1 == ((unsigned long int) var_1_20))) : (var_1_1 == ((unsigned long int) var_1_20))) : (var_1_1 == ((unsigned long int) var_1_20))) && ((256 > (var_1_15 - (last_1_var_1_5 + var_1_8))) ? (var_1_5 == ((signed long int) last_1_var_1_5)) : ((var_1_22 || var_1_22) ? ((((32 * -25) | last_1_var_1_5) >= var_1_15) ? (var_1_5 == ((signed long int) var_1_8)) : 1) : (var_1_5 == ((signed long int) -10000)))) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=65, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=-32, var_1_18=-31, var_1_19=-15, var_1_1=0, var_1_20=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_29=32767, var_1_33=32767, var_1_35=4, var_1_37=0, var_1_38=0, var_1_43=0, var_1_5=-10000, var_1_8=0] [L174] EXPR (((((((var_1_20 + var_1_15) < -200) ? (var_1_22 ? ((var_1_20 > (- var_1_15)) ? (var_1_1 == ((unsigned long int) var_1_20)) : (var_1_1 == ((unsigned long int) var_1_20))) : (var_1_1 == ((unsigned long int) var_1_20))) : (var_1_1 == ((unsigned long int) var_1_20))) && ((256 > (var_1_15 - (last_1_var_1_5 + var_1_8))) ? (var_1_5 == ((signed long int) last_1_var_1_5)) : ((var_1_22 || var_1_22) ? ((((32 * -25) | last_1_var_1_5) >= var_1_15) ? (var_1_5 == ((signed long int) var_1_8)) : 1) : (var_1_5 == ((signed long int) -10000))))) && ((var_1_9 > var_1_10) ? (var_1_8 == ((unsigned char) (((((var_1_11 + (var_1_12 - var_1_13))) < ((5 + var_1_14))) ? ((var_1_11 + (var_1_12 - var_1_13))) : ((5 + var_1_14)))))) : 1)) && (var_1_22 ? (var_1_15 == ((unsigned long int) var_1_8)) : 1)) && (var_1_16 == ((signed short int) (((((var_1_15) < (((((var_1_13) > (var_1_12)) ? (var_1_13) : (var_1_12))))) ? (var_1_15) : (((((var_1_13) > (var_1_12)) ? (var_1_13) : (var_1_12)))))) - var_1_11)))) && (var_1_22 ? ((var_1_14 < (var_1_13 & (var_1_15 / 2))) ? (var_1_17 == ((signed char) (var_1_13 + (var_1_18 + (var_1_19 + 5))))) : (var_1_17 == ((signed char) var_1_18))) : (var_1_17 == ((signed char) -32))) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=65, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=-32, var_1_18=-31, var_1_19=-15, var_1_1=0, var_1_20=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_29=32767, var_1_33=32767, var_1_35=4, var_1_37=0, var_1_38=0, var_1_43=0, var_1_5=-10000, var_1_8=0] [L174-L175] return (((((((((var_1_20 + var_1_15) < -200) ? (var_1_22 ? ((var_1_20 > (- var_1_15)) ? (var_1_1 == ((unsigned long int) var_1_20)) : (var_1_1 == ((unsigned long int) var_1_20))) : (var_1_1 == ((unsigned long int) var_1_20))) : (var_1_1 == ((unsigned long int) var_1_20))) && ((256 > (var_1_15 - (last_1_var_1_5 + var_1_8))) ? (var_1_5 == ((signed long int) last_1_var_1_5)) : ((var_1_22 || var_1_22) ? ((((32 * -25) | last_1_var_1_5) >= var_1_15) ? (var_1_5 == ((signed long int) var_1_8)) : 1) : (var_1_5 == ((signed long int) -10000))))) && ((var_1_9 > var_1_10) ? (var_1_8 == ((unsigned char) (((((var_1_11 + (var_1_12 - var_1_13))) < ((5 + var_1_14))) ? ((var_1_11 + (var_1_12 - var_1_13))) : ((5 + var_1_14)))))) : 1)) && (var_1_22 ? (var_1_15 == ((unsigned long int) var_1_8)) : 1)) && (var_1_16 == ((signed short int) (((((var_1_15) < (((((var_1_13) > (var_1_12)) ? (var_1_13) : (var_1_12))))) ? (var_1_15) : (((((var_1_13) > (var_1_12)) ? (var_1_13) : (var_1_12)))))) - var_1_11)))) && (var_1_22 ? ((var_1_14 < (var_1_13 & (var_1_15 / 2))) ? (var_1_17 == ((signed char) (var_1_13 + (var_1_18 + (var_1_19 + 5))))) : (var_1_17 == ((signed char) var_1_18))) : (var_1_17 == ((signed char) -32)))) && (var_1_20 == ((signed long int) var_1_8))) && (var_1_22 == ((unsigned char) var_1_23)) ; [L184] RET, EXPR property() [L184] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=65, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=-32, var_1_18=-31, var_1_19=-15, var_1_1=0, var_1_20=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_29=32767, var_1_33=32767, var_1_35=4, var_1_37=0, var_1_38=0, var_1_43=0, var_1_5=-10000, var_1_8=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=65, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=-32, var_1_18=-31, var_1_19=-15, var_1_1=0, var_1_20=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_29=32767, var_1_33=32767, var_1_35=4, var_1_37=0, var_1_38=0, var_1_43=0, var_1_5=-10000, var_1_8=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 106 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 24.4s, OverallIterations: 10, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 6.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1653 SdHoareTripleChecker+Valid, 3.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1653 mSDsluCounter, 4307 SdHoareTripleChecker+Invalid, 3.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2492 mSDsCounter, 241 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1040 IncrementalHoareTripleChecker+Invalid, 1281 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 241 mSolverCounterUnsat, 1815 mSDtfsCounter, 1040 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 201 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 5.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=914occurred in iteration=9, InterpolantAutomatonStates: 43, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 9 MinimizatonAttempts, 324 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 14.2s InterpolantComputationTime, 1708 NumberOfCodeBlocks, 1708 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1406 ConstructedInterpolants, 0 QuantifiedInterpolants, 10808 SizeOfPredicates, 0 NumberOfNonLiveVariables, 345 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 10 InterpolantComputations, 9 PerfectInterpolantSequences, 7562/7600 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 [2024-11-28 03:50:04,527 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b05668-6207-47a3-a004-fc5f8260fc40/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b05668-6207-47a3-a004-fc5f8260fc40/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b05668-6207-47a3-a004-fc5f8260fc40/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b05668-6207-47a3-a004-fc5f8260fc40/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b05668-6207-47a3-a004-fc5f8260fc40/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-97.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b05668-6207-47a3-a004-fc5f8260fc40/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b05668-6207-47a3-a004-fc5f8260fc40/bin/uautomizer-verify-aQ6SnzHsRB --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 c2b5d83791f5c517cc904865b76453ec006da14f7434583f731bc2f7adcccacf --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:50:07,685 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:50:07,842 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b05668-6207-47a3-a004-fc5f8260fc40/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 03:50:07,849 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:50:07,850 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:50:07,879 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:50:07,880 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:50:07,880 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:50:07,881 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:50:07,881 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:50:07,881 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:50:07,881 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:50:07,882 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:50:07,882 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:50:07,882 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:50:07,882 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:50:07,882 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:50:07,883 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:50:07,883 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:50:07,883 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:50:07,883 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:50:07,883 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:50:07,884 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:50:07,884 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 03:50:07,884 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 03:50:07,884 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 03:50:07,884 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:50:07,884 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:50:07,885 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:50:07,885 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:50:07,885 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:50:07,885 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:50:07,885 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:50:07,885 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:50:07,886 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:50:07,886 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:50:07,886 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:50:07,886 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:50:07,886 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:50:07,886 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:50:07,887 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:50:07,887 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:50:07,887 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:50:07,887 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:50:07,887 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 03:50:07,887 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 03:50:07,888 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:50:07,888 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:50:07,888 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:50:07,888 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:50:07,888 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_f4b05668-6207-47a3-a004-fc5f8260fc40/bin/uautomizer-verify-aQ6SnzHsRB 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 -> c2b5d83791f5c517cc904865b76453ec006da14f7434583f731bc2f7adcccacf [2024-11-28 03:50:08,280 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:50:08,291 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:50:08,294 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:50:08,295 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:50:08,296 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:50:08,297 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b05668-6207-47a3-a004-fc5f8260fc40/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-97.i [2024-11-28 03:50:11,672 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b05668-6207-47a3-a004-fc5f8260fc40/bin/uautomizer-verify-aQ6SnzHsRB/data/be2e3cc6d/a1d58e1d537a41938970667747983acf/FLAG887ce8988 [2024-11-28 03:50:12,031 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:50:12,032 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b05668-6207-47a3-a004-fc5f8260fc40/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-97.i [2024-11-28 03:50:12,049 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b05668-6207-47a3-a004-fc5f8260fc40/bin/uautomizer-verify-aQ6SnzHsRB/data/be2e3cc6d/a1d58e1d537a41938970667747983acf/FLAG887ce8988 [2024-11-28 03:50:12,257 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b05668-6207-47a3-a004-fc5f8260fc40/bin/uautomizer-verify-aQ6SnzHsRB/data/be2e3cc6d/a1d58e1d537a41938970667747983acf [2024-11-28 03:50:12,261 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:50:12,263 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:50:12,265 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:50:12,265 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:50:12,276 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:50:12,278 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:50:12" (1/1) ... [2024-11-28 03:50:12,279 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f584973 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:50:12, skipping insertion in model container [2024-11-28 03:50:12,280 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:50:12" (1/1) ... [2024-11-28 03:50:12,317 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:50:12,527 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_f4b05668-6207-47a3-a004-fc5f8260fc40/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-97.i[919,932] [2024-11-28 03:50:12,632 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:50:12,651 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:50:12,663 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_f4b05668-6207-47a3-a004-fc5f8260fc40/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-97.i[919,932] [2024-11-28 03:50:12,719 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:50:12,742 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:50:12,743 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:50:12 WrapperNode [2024-11-28 03:50:12,743 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:50:12,744 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:50:12,744 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:50:12,745 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:50:12,753 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:50:12" (1/1) ... [2024-11-28 03:50:12,769 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:50:12" (1/1) ... [2024-11-28 03:50:12,809 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 168 [2024-11-28 03:50:12,809 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:50:12,810 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:50:12,810 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:50:12,810 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:50:12,827 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:50:12" (1/1) ... [2024-11-28 03:50:12,828 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:50:12" (1/1) ... [2024-11-28 03:50:12,833 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:50:12" (1/1) ... [2024-11-28 03:50:12,848 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-28 03:50:12,849 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:50:12" (1/1) ... [2024-11-28 03:50:12,849 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:50:12" (1/1) ... [2024-11-28 03:50:12,868 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:50:12" (1/1) ... [2024-11-28 03:50:12,875 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:50:12" (1/1) ... [2024-11-28 03:50:12,883 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:50:12" (1/1) ... [2024-11-28 03:50:12,889 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:50:12" (1/1) ... [2024-11-28 03:50:12,893 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:50:12" (1/1) ... [2024-11-28 03:50:12,906 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:50:12,907 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:50:12,907 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:50:12,907 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:50:12,912 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:50:12" (1/1) ... [2024-11-28 03:50:12,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:50:12,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b05668-6207-47a3-a004-fc5f8260fc40/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:50:12,964 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b05668-6207-47a3-a004-fc5f8260fc40/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:50:12,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b05668-6207-47a3-a004-fc5f8260fc40/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:50:12,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:50:12,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 03:50:12,996 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 03:50:12,996 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 03:50:12,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:50:12,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:50:13,114 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:50:13,117 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:50:21,894 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-28 03:50:21,895 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:50:21,915 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:50:21,916 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 03:50:21,917 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:50:21 BoogieIcfgContainer [2024-11-28 03:50:21,917 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:50:21,921 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:50:21,921 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:50:21,927 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:50:21,928 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:50:12" (1/3) ... [2024-11-28 03:50:21,929 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a603954 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:50:21, skipping insertion in model container [2024-11-28 03:50:21,929 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:50:12" (2/3) ... [2024-11-28 03:50:21,930 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a603954 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:50:21, skipping insertion in model container [2024-11-28 03:50:21,931 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:50:21" (3/3) ... [2024-11-28 03:50:21,932 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-97.i [2024-11-28 03:50:21,952 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:50:21,954 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-97.i that has 2 procedures, 75 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 03:50:22,039 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:50:22,063 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;@51c0ef3e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:50:22,063 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 03:50:22,068 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 52 states have (on average 1.4807692307692308) internal successors, (77), 53 states have internal predecessors, (77), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-28 03:50:22,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-28 03:50:22,085 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:50:22,086 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:50:22,087 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:50:22,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:50:22,097 INFO L85 PathProgramCache]: Analyzing trace with hash 1432092729, now seen corresponding path program 1 times [2024-11-28 03:50:22,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:50:22,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1022737825] [2024-11-28 03:50:22,114 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:50:22,115 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 [2024-11-28 03:50:22,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b05668-6207-47a3-a004-fc5f8260fc40/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:50:22,122 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b05668-6207-47a3-a004-fc5f8260fc40/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 03:50:22,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b05668-6207-47a3-a004-fc5f8260fc40/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 03:50:22,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:50:22,687 INFO L256 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 03:50:22,696 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:50:22,767 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 318 proven. 0 refuted. 0 times theorem prover too weak. 442 trivial. 0 not checked. [2024-11-28 03:50:22,767 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:50:22,768 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:50:22,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1022737825] [2024-11-28 03:50:22,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1022737825] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:50:22,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:50:22,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:50:22,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430527127] [2024-11-28 03:50:22,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:50:22,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 03:50:22,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:50:22,811 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 03:50:22,811 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:50:22,814 INFO L87 Difference]: Start difference. First operand has 75 states, 52 states have (on average 1.4807692307692308) internal successors, (77), 53 states have internal predecessors, (77), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-28 03:50:22,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:50:22,864 INFO L93 Difference]: Finished difference Result 142 states and 246 transitions. [2024-11-28 03:50:22,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 03:50:22,869 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 136 [2024-11-28 03:50:22,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:50:22,882 INFO L225 Difference]: With dead ends: 142 [2024-11-28 03:50:22,883 INFO L226 Difference]: Without dead ends: 70 [2024-11-28 03:50:22,887 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:50:22,891 INFO L435 NwaCegarLoop]: 105 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, 105 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 [2024-11-28 03:50:22,892 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:50:22,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2024-11-28 03:50:22,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2024-11-28 03:50:22,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 48 states have (on average 1.3541666666666667) internal successors, (65), 48 states have internal predecessors, (65), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-28 03:50:22,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 105 transitions. [2024-11-28 03:50:22,944 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 105 transitions. Word has length 136 [2024-11-28 03:50:22,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:50:22,945 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 105 transitions. [2024-11-28 03:50:22,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-28 03:50:22,946 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 105 transitions. [2024-11-28 03:50:22,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-28 03:50:22,950 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:50:22,950 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:50:22,964 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b05668-6207-47a3-a004-fc5f8260fc40/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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)] Forceful destruction successful, exit code 0 [2024-11-28 03:50:23,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b05668-6207-47a3-a004-fc5f8260fc40/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:50:23,151 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:50:23,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:50:23,152 INFO L85 PathProgramCache]: Analyzing trace with hash -1997912767, now seen corresponding path program 1 times [2024-11-28 03:50:23,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:50:23,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2087907588] [2024-11-28 03:50:23,154 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:50:23,154 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 [2024-11-28 03:50:23,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b05668-6207-47a3-a004-fc5f8260fc40/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:50:23,159 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b05668-6207-47a3-a004-fc5f8260fc40/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 03:50:23,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b05668-6207-47a3-a004-fc5f8260fc40/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 03:50:23,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:50:23,778 INFO L256 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:50:23,788 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:50:25,006 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-28 03:50:25,007 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:50:25,007 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:50:25,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2087907588] [2024-11-28 03:50:25,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2087907588] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:50:25,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:50:25,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:50:25,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658241126] [2024-11-28 03:50:25,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:50:25,013 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:50:25,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:50:25,014 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:50:25,015 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:50:25,016 INFO L87 Difference]: Start difference. First operand 70 states and 105 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 states have internal predecessors, (39), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 03:50:25,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:50:25,158 INFO L93 Difference]: Finished difference Result 201 states and 303 transitions. [2024-11-28 03:50:25,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:50:25,159 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 states have internal predecessors, (39), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 136 [2024-11-28 03:50:25,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:50:25,162 INFO L225 Difference]: With dead ends: 201 [2024-11-28 03:50:25,162 INFO L226 Difference]: Without dead ends: 134 [2024-11-28 03:50:25,163 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:50:25,164 INFO L435 NwaCegarLoop]: 100 mSDtfsCounter, 32 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:50:25,164 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 189 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:50:25,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2024-11-28 03:50:25,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 125. [2024-11-28 03:50:25,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 82 states have (on average 1.2926829268292683) internal successors, (106), 82 states have internal predecessors, (106), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-28 03:50:25,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 186 transitions. [2024-11-28 03:50:25,199 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 186 transitions. Word has length 136 [2024-11-28 03:50:25,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:50:25,200 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 186 transitions. [2024-11-28 03:50:25,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 states have internal predecessors, (39), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 03:50:25,200 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 186 transitions. [2024-11-28 03:50:25,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-28 03:50:25,232 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:50:25,232 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:50:25,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b05668-6207-47a3-a004-fc5f8260fc40/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 03:50:25,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b05668-6207-47a3-a004-fc5f8260fc40/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:50:25,433 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:50:25,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:50:25,434 INFO L85 PathProgramCache]: Analyzing trace with hash 708706627, now seen corresponding path program 1 times [2024-11-28 03:50:25,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:50:25,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [470544034] [2024-11-28 03:50:25,435 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:50:25,435 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 [2024-11-28 03:50:25,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b05668-6207-47a3-a004-fc5f8260fc40/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:50:25,439 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b05668-6207-47a3-a004-fc5f8260fc40/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 03:50:25,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b05668-6207-47a3-a004-fc5f8260fc40/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 03:50:25,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:50:25,879 INFO L256 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 03:50:25,884 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:50:26,401 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 289 proven. 12 refuted. 0 times theorem prover too weak. 459 trivial. 0 not checked. [2024-11-28 03:50:26,405 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:50:27,233 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 45 proven. 12 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-28 03:50:27,233 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:50:27,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [470544034] [2024-11-28 03:50:27,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [470544034] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:50:27,234 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 03:50:27,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2024-11-28 03:50:27,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995771177] [2024-11-28 03:50:27,234 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 03:50:27,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 03:50:27,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:50:27,236 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 03:50:27,236 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:50:27,237 INFO L87 Difference]: Start difference. First operand 125 states and 186 transitions. Second operand has 8 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-28 03:50:28,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:50:28,404 INFO L93 Difference]: Finished difference Result 197 states and 287 transitions. [2024-11-28 03:50:28,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 03:50:28,405 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 136 [2024-11-28 03:50:28,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:50:28,408 INFO L225 Difference]: With dead ends: 197 [2024-11-28 03:50:28,408 INFO L226 Difference]: Without dead ends: 75 [2024-11-28 03:50:28,409 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 278 GetRequests, 264 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=77, Invalid=133, Unknown=0, NotChecked=0, Total=210 [2024-11-28 03:50:28,413 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 102 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-28 03:50:28,414 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 149 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-28 03:50:28,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2024-11-28 03:50:28,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 71. [2024-11-28 03:50:28,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 48 states have (on average 1.2083333333333333) internal successors, (58), 48 states have internal predecessors, (58), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-28 03:50:28,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 98 transitions. [2024-11-28 03:50:28,448 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 98 transitions. Word has length 136 [2024-11-28 03:50:28,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:50:28,449 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 98 transitions. [2024-11-28 03:50:28,450 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-28 03:50:28,450 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 98 transitions. [2024-11-28 03:50:28,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-28 03:50:28,455 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:50:28,456 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:50:28,467 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b05668-6207-47a3-a004-fc5f8260fc40/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 03:50:28,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b05668-6207-47a3-a004-fc5f8260fc40/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:50:28,660 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:50:28,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:50:28,661 INFO L85 PathProgramCache]: Analyzing trace with hash 1409771205, now seen corresponding path program 1 times [2024-11-28 03:50:28,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:50:28,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1088868917] [2024-11-28 03:50:28,662 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:50:28,662 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 [2024-11-28 03:50:28,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b05668-6207-47a3-a004-fc5f8260fc40/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:50:28,667 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b05668-6207-47a3-a004-fc5f8260fc40/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 03:50:28,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b05668-6207-47a3-a004-fc5f8260fc40/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 03:50:29,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:50:29,107 INFO L256 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:50:29,112 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:50:30,488 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-28 03:50:30,489 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:50:30,489 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:50:30,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1088868917] [2024-11-28 03:50:30,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1088868917] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:50:30,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:50:30,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:50:30,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822771102] [2024-11-28 03:50:30,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:50:30,490 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:50:30,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:50:30,491 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:50:30,491 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:50:30,491 INFO L87 Difference]: Start difference. First operand 71 states and 98 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 03:50:31,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:50:31,316 INFO L93 Difference]: Finished difference Result 191 states and 268 transitions. [2024-11-28 03:50:31,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:50:31,318 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 136 [2024-11-28 03:50:31,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:50:31,320 INFO L225 Difference]: With dead ends: 191 [2024-11-28 03:50:31,321 INFO L226 Difference]: Without dead ends: 123 [2024-11-28 03:50:31,321 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:50:31,322 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 94 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 03:50:31,323 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 335 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 03:50:31,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-11-28 03:50:31,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 71. [2024-11-28 03:50:31,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 48 states have (on average 1.1875) internal successors, (57), 48 states have internal predecessors, (57), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-28 03:50:31,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 97 transitions. [2024-11-28 03:50:31,358 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 97 transitions. Word has length 136 [2024-11-28 03:50:31,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:50:31,359 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 97 transitions. [2024-11-28 03:50:31,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 03:50:31,360 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 97 transitions. [2024-11-28 03:50:31,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-28 03:50:31,362 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:50:31,363 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:50:31,377 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b05668-6207-47a3-a004-fc5f8260fc40/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 03:50:31,563 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b05668-6207-47a3-a004-fc5f8260fc40/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:50:31,563 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:50:31,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:50:31,564 INFO L85 PathProgramCache]: Analyzing trace with hash 1881339756, now seen corresponding path program 1 times [2024-11-28 03:50:31,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:50:31,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2041855896] [2024-11-28 03:50:31,565 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:50:31,565 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 [2024-11-28 03:50:31,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b05668-6207-47a3-a004-fc5f8260fc40/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:50:31,567 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b05668-6207-47a3-a004-fc5f8260fc40/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 03:50:31,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b05668-6207-47a3-a004-fc5f8260fc40/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 03:50:31,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:50:32,006 INFO L256 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 03:50:32,010 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:50:36,093 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-28 03:50:36,093 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:50:36,094 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:50:36,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2041855896] [2024-11-28 03:50:36,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2041855896] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:50:36,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:50:36,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:50:36,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98880915] [2024-11-28 03:50:36,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:50:36,095 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:50:36,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:50:36,096 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:50:36,096 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:50:36,097 INFO L87 Difference]: Start difference. First operand 71 states and 97 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 03:50:36,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:50:36,929 INFO L93 Difference]: Finished difference Result 214 states and 292 transitions. [2024-11-28 03:50:36,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:50:36,930 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 137 [2024-11-28 03:50:36,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:50:36,933 INFO L225 Difference]: With dead ends: 214 [2024-11-28 03:50:36,933 INFO L226 Difference]: Without dead ends: 146 [2024-11-28 03:50:36,934 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:50:36,935 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 66 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 03:50:36,935 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 300 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 03:50:36,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2024-11-28 03:50:36,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 137. [2024-11-28 03:50:36,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 92 states have (on average 1.184782608695652) internal successors, (109), 92 states have internal predecessors, (109), 40 states have call successors, (40), 4 states have call predecessors, (40), 4 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-28 03:50:36,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 189 transitions. [2024-11-28 03:50:36,977 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 189 transitions. Word has length 137 [2024-11-28 03:50:36,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:50:36,978 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 189 transitions. [2024-11-28 03:50:36,978 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 03:50:36,978 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 189 transitions. [2024-11-28 03:50:36,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-28 03:50:36,980 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:50:36,981 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:50:36,993 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b05668-6207-47a3-a004-fc5f8260fc40/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 03:50:37,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b05668-6207-47a3-a004-fc5f8260fc40/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:50:37,182 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:50:37,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:50:37,182 INFO L85 PathProgramCache]: Analyzing trace with hash -1402510290, now seen corresponding path program 1 times [2024-11-28 03:50:37,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:50:37,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [832820011] [2024-11-28 03:50:37,183 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:50:37,184 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 [2024-11-28 03:50:37,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b05668-6207-47a3-a004-fc5f8260fc40/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:50:37,186 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b05668-6207-47a3-a004-fc5f8260fc40/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 03:50:37,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b05668-6207-47a3-a004-fc5f8260fc40/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 03:50:37,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:50:37,618 INFO L256 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 03:50:37,620 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:50:39,649 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-28 03:50:39,649 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:50:39,649 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:50:39,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [832820011] [2024-11-28 03:50:39,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [832820011] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:50:39,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:50:39,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:50:39,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001433740] [2024-11-28 03:50:39,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:50:39,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:50:39,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:50:39,651 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:50:39,652 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:50:39,652 INFO L87 Difference]: Start difference. First operand 137 states and 189 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 03:50:40,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:50:40,242 INFO L93 Difference]: Finished difference Result 280 states and 384 transitions. [2024-11-28 03:50:40,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:50:40,243 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 137 [2024-11-28 03:50:40,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:50:40,246 INFO L225 Difference]: With dead ends: 280 [2024-11-28 03:50:40,246 INFO L226 Difference]: Without dead ends: 212 [2024-11-28 03:50:40,247 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:50:40,248 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 68 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 03:50:40,248 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 303 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 03:50:40,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2024-11-28 03:50:40,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 137. [2024-11-28 03:50:40,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 92 states have (on average 1.184782608695652) internal successors, (109), 92 states have internal predecessors, (109), 40 states have call successors, (40), 4 states have call predecessors, (40), 4 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-28 03:50:40,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 189 transitions. [2024-11-28 03:50:40,302 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 189 transitions. Word has length 137 [2024-11-28 03:50:40,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:50:40,303 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 189 transitions. [2024-11-28 03:50:40,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 03:50:40,303 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 189 transitions. [2024-11-28 03:50:40,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-28 03:50:40,305 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:50:40,305 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:50:40,320 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b05668-6207-47a3-a004-fc5f8260fc40/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 03:50:40,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b05668-6207-47a3-a004-fc5f8260fc40/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:50:40,509 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:50:40,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:50:40,509 INFO L85 PathProgramCache]: Analyzing trace with hash -1752660796, now seen corresponding path program 1 times [2024-11-28 03:50:40,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:50:40,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1338012336] [2024-11-28 03:50:40,510 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:50:40,510 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 [2024-11-28 03:50:40,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b05668-6207-47a3-a004-fc5f8260fc40/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:50:40,512 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b05668-6207-47a3-a004-fc5f8260fc40/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 03:50:40,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b05668-6207-47a3-a004-fc5f8260fc40/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 03:50:41,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:50:41,036 INFO L256 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-28 03:50:41,043 INFO L279 TraceCheckSpWp]: Computing forward predicates...