./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-20.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_5a5288d8-9b15-498c-881c-1ece3756c334/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5288d8-9b15-498c-881c-1ece3756c334/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_5a5288d8-9b15-498c-881c-1ece3756c334/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5288d8-9b15-498c-881c-1ece3756c334/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-20.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5288d8-9b15-498c-881c-1ece3756c334/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_5a5288d8-9b15-498c-881c-1ece3756c334/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 d7483f4c602f1d80c3d31837b57d86164e65df5e6fa201344a2b0a8f22740044 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:40:07,295 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:40:07,364 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5288d8-9b15-498c-881c-1ece3756c334/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 02:40:07,370 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:40:07,370 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:40:07,401 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:40:07,402 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:40:07,402 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:40:07,403 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:40:07,403 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:40:07,404 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:40:07,404 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:40:07,404 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:40:07,405 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:40:07,405 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:40:07,406 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:40:07,406 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:40:07,406 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:40:07,407 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:40:07,407 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:40:07,407 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:40:07,407 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:40:07,407 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:40:07,407 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:40:07,407 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:40:07,407 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:40:07,407 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:40:07,407 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:40:07,407 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:40:07,407 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:40:07,408 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:40:07,408 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:40:07,408 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:40:07,408 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:40:07,408 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:40:07,408 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:40:07,408 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:40:07,408 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:40:07,408 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:40:07,408 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:40:07,408 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:40:07,408 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:40:07,409 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:40:07,409 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:40:07,409 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:40:07,409 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:40:07,409 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:40:07,410 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:40:07,411 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_5a5288d8-9b15-498c-881c-1ece3756c334/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 -> d7483f4c602f1d80c3d31837b57d86164e65df5e6fa201344a2b0a8f22740044 [2024-11-28 02:40:07,737 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:40:07,750 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:40:07,753 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:40:07,756 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:40:07,756 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:40:07,758 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5288d8-9b15-498c-881c-1ece3756c334/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-20.i [2024-11-28 02:40:10,690 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5288d8-9b15-498c-881c-1ece3756c334/bin/uautomizer-verify-aQ6SnzHsRB/data/5531febe3/e7cd37fa26384a9ea3db38c237699e87/FLAGb423aa28c [2024-11-28 02:40:11,092 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:40:11,093 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5288d8-9b15-498c-881c-1ece3756c334/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-20.i [2024-11-28 02:40:11,120 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5288d8-9b15-498c-881c-1ece3756c334/bin/uautomizer-verify-aQ6SnzHsRB/data/5531febe3/e7cd37fa26384a9ea3db38c237699e87/FLAGb423aa28c [2024-11-28 02:40:11,141 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5288d8-9b15-498c-881c-1ece3756c334/bin/uautomizer-verify-aQ6SnzHsRB/data/5531febe3/e7cd37fa26384a9ea3db38c237699e87 [2024-11-28 02:40:11,144 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:40:11,147 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:40:11,149 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:40:11,149 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:40:11,154 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:40:11,155 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:40:11" (1/1) ... [2024-11-28 02:40:11,156 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e2bef71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:11, skipping insertion in model container [2024-11-28 02:40:11,156 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:40:11" (1/1) ... [2024-11-28 02:40:11,191 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:40:11,377 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_5a5288d8-9b15-498c-881c-1ece3756c334/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-20.i[916,929] [2024-11-28 02:40:11,513 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:40:11,528 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:40:11,542 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_5a5288d8-9b15-498c-881c-1ece3756c334/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-20.i[916,929] [2024-11-28 02:40:11,621 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:40:11,651 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:40:11,653 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:11 WrapperNode [2024-11-28 02:40:11,653 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:40:11,654 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:40:11,654 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:40:11,655 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:40:11,661 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:11" (1/1) ... [2024-11-28 02:40:11,680 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:11" (1/1) ... [2024-11-28 02:40:11,760 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 265 [2024-11-28 02:40:11,761 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:40:11,764 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:40:11,765 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:40:11,765 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:40:11,777 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:11" (1/1) ... [2024-11-28 02:40:11,777 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:11" (1/1) ... [2024-11-28 02:40:11,786 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:11" (1/1) ... [2024-11-28 02:40:11,828 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 02:40:11,832 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:11" (1/1) ... [2024-11-28 02:40:11,832 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:11" (1/1) ... [2024-11-28 02:40:11,850 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:11" (1/1) ... [2024-11-28 02:40:11,855 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:11" (1/1) ... [2024-11-28 02:40:11,862 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:11" (1/1) ... [2024-11-28 02:40:11,869 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:11" (1/1) ... [2024-11-28 02:40:11,871 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:11" (1/1) ... [2024-11-28 02:40:11,877 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:40:11,877 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:40:11,878 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:40:11,878 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:40:11,879 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:11" (1/1) ... [2024-11-28 02:40:11,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:40:11,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5288d8-9b15-498c-881c-1ece3756c334/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:40:11,927 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5288d8-9b15-498c-881c-1ece3756c334/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:40:11,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5288d8-9b15-498c-881c-1ece3756c334/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:40:11,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:40:11,962 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 02:40:11,963 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 02:40:11,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 02:40:11,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:40:11,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:40:12,098 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:40:12,100 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:40:12,746 INFO L? ?]: Removed 38 outVars from TransFormulas that were not future-live. [2024-11-28 02:40:12,748 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:40:12,765 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:40:12,766 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-28 02:40:12,767 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:40:12 BoogieIcfgContainer [2024-11-28 02:40:12,767 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:40:12,769 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:40:12,770 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:40:12,774 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:40:12,775 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:40:11" (1/3) ... [2024-11-28 02:40:12,777 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@203cf62d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:40:12, skipping insertion in model container [2024-11-28 02:40:12,777 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:40:11" (2/3) ... [2024-11-28 02:40:12,778 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@203cf62d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:40:12, skipping insertion in model container [2024-11-28 02:40:12,778 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:40:12" (3/3) ... [2024-11-28 02:40:12,779 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-20.i [2024-11-28 02:40:12,797 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:40:12,799 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_100-1loop_file-20.i that has 2 procedures, 117 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 02:40:12,862 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:40:12,878 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;@257e232e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:40:12,879 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 02:40:12,883 INFO L276 IsEmpty]: Start isEmpty. Operand has 117 states, 83 states have (on average 1.4337349397590362) internal successors, (119), 84 states have internal predecessors, (119), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-28 02:40:12,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-11-28 02:40:12,899 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:40:12,900 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:40:12,900 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:40:12,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:40:12,906 INFO L85 PathProgramCache]: Analyzing trace with hash 1439534274, now seen corresponding path program 1 times [2024-11-28 02:40:12,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:40:12,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5388464] [2024-11-28 02:40:12,917 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:40:12,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:40:13,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:40:14,076 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-28 02:40:14,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:40:14,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5388464] [2024-11-28 02:40:14,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [5388464] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:40:14,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:40:14,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:40:14,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118695458] [2024-11-28 02:40:14,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:40:14,089 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:40:14,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:40:14,114 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:40:14,114 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:40:14,116 INFO L87 Difference]: Start difference. First operand has 117 states, 83 states have (on average 1.4337349397590362) internal successors, (119), 84 states have internal predecessors, (119), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-28 02:40:14,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:40:14,643 INFO L93 Difference]: Finished difference Result 384 states and 658 transitions. [2024-11-28 02:40:14,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:40:14,645 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 205 [2024-11-28 02:40:14,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:40:14,655 INFO L225 Difference]: With dead ends: 384 [2024-11-28 02:40:14,655 INFO L226 Difference]: Without dead ends: 258 [2024-11-28 02:40:14,659 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:40:14,662 INFO L435 NwaCegarLoop]: 217 mSDtfsCounter, 183 mSDsluCounter, 540 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 757 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 02:40:14,663 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 757 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 02:40:14,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2024-11-28 02:40:14,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 246. [2024-11-28 02:40:14,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 181 states have (on average 1.3977900552486189) internal successors, (253), 181 states have internal predecessors, (253), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-28 02:40:14,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 377 transitions. [2024-11-28 02:40:14,786 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 377 transitions. Word has length 205 [2024-11-28 02:40:14,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:40:14,792 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 377 transitions. [2024-11-28 02:40:14,793 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-28 02:40:14,793 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 377 transitions. [2024-11-28 02:40:14,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-11-28 02:40:14,799 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:40:14,800 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:40:14,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 02:40:14,801 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:40:14,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:40:14,804 INFO L85 PathProgramCache]: Analyzing trace with hash 1770352831, now seen corresponding path program 1 times [2024-11-28 02:40:14,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:40:14,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345854469] [2024-11-28 02:40:14,805 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:40:14,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:40:15,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:40:16,119 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-28 02:40:16,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:40:16,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345854469] [2024-11-28 02:40:16,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345854469] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:40:16,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:40:16,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 02:40:16,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701179108] [2024-11-28 02:40:16,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:40:16,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 02:40:16,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:40:16,125 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 02:40:16,125 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:40:16,126 INFO L87 Difference]: Start difference. First operand 246 states and 377 transitions. Second operand has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-28 02:40:16,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:40:16,991 INFO L93 Difference]: Finished difference Result 758 states and 1144 transitions. [2024-11-28 02:40:16,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 02:40:16,992 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 206 [2024-11-28 02:40:16,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:40:16,997 INFO L225 Difference]: With dead ends: 758 [2024-11-28 02:40:16,997 INFO L226 Difference]: Without dead ends: 515 [2024-11-28 02:40:16,999 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:40:17,000 INFO L435 NwaCegarLoop]: 210 mSDtfsCounter, 145 mSDsluCounter, 744 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 954 SdHoareTripleChecker+Invalid, 452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 02:40:17,000 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 954 Invalid, 452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 02:40:17,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2024-11-28 02:40:17,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 425. [2024-11-28 02:40:17,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 425 states, 346 states have (on average 1.439306358381503) internal successors, (498), 348 states have internal predecessors, (498), 74 states have call successors, (74), 4 states have call predecessors, (74), 4 states have return successors, (74), 72 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-28 02:40:17,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 646 transitions. [2024-11-28 02:40:17,072 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 646 transitions. Word has length 206 [2024-11-28 02:40:17,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:40:17,073 INFO L471 AbstractCegarLoop]: Abstraction has 425 states and 646 transitions. [2024-11-28 02:40:17,073 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-28 02:40:17,073 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 646 transitions. [2024-11-28 02:40:17,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-11-28 02:40:17,078 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:40:17,082 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:40:17,082 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 02:40:17,083 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:40:17,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:40:17,083 INFO L85 PathProgramCache]: Analyzing trace with hash -223791875, now seen corresponding path program 1 times [2024-11-28 02:40:17,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:40:17,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495260229] [2024-11-28 02:40:17,084 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:40:17,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:40:17,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:40:17,532 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-28 02:40:17,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:40:17,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495260229] [2024-11-28 02:40:17,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495260229] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:40:17,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:40:17,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:40:17,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127027244] [2024-11-28 02:40:17,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:40:17,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:40:17,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:40:17,537 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:40:17,539 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:40:17,539 INFO L87 Difference]: Start difference. First operand 425 states and 646 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-28 02:40:17,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:40:17,920 INFO L93 Difference]: Finished difference Result 1159 states and 1755 transitions. [2024-11-28 02:40:17,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:40:17,921 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 206 [2024-11-28 02:40:17,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:40:17,933 INFO L225 Difference]: With dead ends: 1159 [2024-11-28 02:40:17,935 INFO L226 Difference]: Without dead ends: 737 [2024-11-28 02:40:17,937 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 02:40:17,939 INFO L435 NwaCegarLoop]: 255 mSDtfsCounter, 144 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 586 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 02:40:17,940 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 586 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 02:40:17,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 737 states. [2024-11-28 02:40:18,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 737 to 526. [2024-11-28 02:40:18,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 526 states, 447 states have (on average 1.4563758389261745) internal successors, (651), 449 states have internal predecessors, (651), 74 states have call successors, (74), 4 states have call predecessors, (74), 4 states have return successors, (74), 72 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-28 02:40:18,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 799 transitions. [2024-11-28 02:40:18,033 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 799 transitions. Word has length 206 [2024-11-28 02:40:18,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:40:18,035 INFO L471 AbstractCegarLoop]: Abstraction has 526 states and 799 transitions. [2024-11-28 02:40:18,035 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-28 02:40:18,035 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 799 transitions. [2024-11-28 02:40:18,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2024-11-28 02:40:18,040 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:40:18,040 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:40:18,041 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 02:40:18,041 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:40:18,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:40:18,044 INFO L85 PathProgramCache]: Analyzing trace with hash -306190743, now seen corresponding path program 1 times [2024-11-28 02:40:18,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:40:18,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127130544] [2024-11-28 02:40:18,045 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:40:18,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:40:18,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:40:21,685 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-28 02:40:21,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:40:21,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127130544] [2024-11-28 02:40:21,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127130544] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:40:21,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:40:21,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 02:40:21,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959318090] [2024-11-28 02:40:21,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:40:21,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 02:40:21,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:40:21,688 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 02:40:21,688 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:40:21,688 INFO L87 Difference]: Start difference. First operand 526 states and 799 transitions. Second operand has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-28 02:40:22,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:40:22,927 INFO L93 Difference]: Finished difference Result 1552 states and 2286 transitions. [2024-11-28 02:40:22,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 02:40:22,928 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 207 [2024-11-28 02:40:22,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:40:22,934 INFO L225 Difference]: With dead ends: 1552 [2024-11-28 02:40:22,934 INFO L226 Difference]: Without dead ends: 1029 [2024-11-28 02:40:22,936 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:40:22,937 INFO L435 NwaCegarLoop]: 137 mSDtfsCounter, 330 mSDsluCounter, 417 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 330 SdHoareTripleChecker+Valid, 554 SdHoareTripleChecker+Invalid, 356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:40:22,937 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [330 Valid, 554 Invalid, 356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-28 02:40:22,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1029 states. [2024-11-28 02:40:23,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1029 to 652. [2024-11-28 02:40:23,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 652 states, 573 states have (on average 1.4659685863874345) internal successors, (840), 575 states have internal predecessors, (840), 74 states have call successors, (74), 4 states have call predecessors, (74), 4 states have return successors, (74), 72 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-28 02:40:23,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 652 states and 988 transitions. [2024-11-28 02:40:23,031 INFO L78 Accepts]: Start accepts. Automaton has 652 states and 988 transitions. Word has length 207 [2024-11-28 02:40:23,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:40:23,031 INFO L471 AbstractCegarLoop]: Abstraction has 652 states and 988 transitions. [2024-11-28 02:40:23,032 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-28 02:40:23,032 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 988 transitions. [2024-11-28 02:40:23,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2024-11-28 02:40:23,035 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:40:23,035 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:40:23,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 02:40:23,036 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:40:23,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:40:23,037 INFO L85 PathProgramCache]: Analyzing trace with hash -1586054421, now seen corresponding path program 1 times [2024-11-28 02:40:23,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:40:23,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275057995] [2024-11-28 02:40:23,038 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:40:23,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:40:23,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:40:24,975 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-28 02:40:24,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:40:24,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275057995] [2024-11-28 02:40:24,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275057995] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:40:24,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:40:24,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 02:40:24,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333944700] [2024-11-28 02:40:24,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:40:24,976 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 02:40:24,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:40:24,977 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 02:40:24,977 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:40:24,978 INFO L87 Difference]: Start difference. First operand 652 states and 988 transitions. Second operand has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 9 states have internal predecessors, (55), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-28 02:40:26,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:40:26,712 INFO L93 Difference]: Finished difference Result 1926 states and 2864 transitions. [2024-11-28 02:40:26,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 02:40:26,713 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 9 states have internal predecessors, (55), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 207 [2024-11-28 02:40:26,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:40:26,719 INFO L225 Difference]: With dead ends: 1926 [2024-11-28 02:40:26,720 INFO L226 Difference]: Without dead ends: 1277 [2024-11-28 02:40:26,722 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=60, Invalid=96, Unknown=0, NotChecked=0, Total=156 [2024-11-28 02:40:26,725 INFO L435 NwaCegarLoop]: 180 mSDtfsCounter, 353 mSDsluCounter, 530 mSDsCounter, 0 mSdLazyCounter, 389 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 353 SdHoareTripleChecker+Valid, 710 SdHoareTripleChecker+Invalid, 398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-28 02:40:26,726 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [353 Valid, 710 Invalid, 398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 389 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-28 02:40:26,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1277 states. [2024-11-28 02:40:26,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1277 to 666. [2024-11-28 02:40:26,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 666 states, 587 states have (on average 1.4667802385008517) internal successors, (861), 589 states have internal predecessors, (861), 74 states have call successors, (74), 4 states have call predecessors, (74), 4 states have return successors, (74), 72 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-28 02:40:26,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 666 states and 1009 transitions. [2024-11-28 02:40:26,801 INFO L78 Accepts]: Start accepts. Automaton has 666 states and 1009 transitions. Word has length 207 [2024-11-28 02:40:26,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:40:26,805 INFO L471 AbstractCegarLoop]: Abstraction has 666 states and 1009 transitions. [2024-11-28 02:40:26,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 9 states have internal predecessors, (55), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-28 02:40:26,805 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 1009 transitions. [2024-11-28 02:40:26,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2024-11-28 02:40:26,808 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:40:26,810 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:40:26,810 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 02:40:26,810 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:40:26,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:40:26,811 INFO L85 PathProgramCache]: Analyzing trace with hash 236902827, now seen corresponding path program 1 times [2024-11-28 02:40:26,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:40:26,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990327362] [2024-11-28 02:40:26,812 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:40:26,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:40:26,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:40:28,402 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-28 02:40:28,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:40:28,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990327362] [2024-11-28 02:40:28,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990327362] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:40:28,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:40:28,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 02:40:28,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015059734] [2024-11-28 02:40:28,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:40:28,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 02:40:28,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:40:28,407 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 02:40:28,407 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:40:28,407 INFO L87 Difference]: Start difference. First operand 666 states and 1009 transitions. Second operand has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 9 states have internal predecessors, (55), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-28 02:40:29,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:40:29,884 INFO L93 Difference]: Finished difference Result 1812 states and 2727 transitions. [2024-11-28 02:40:29,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 02:40:29,885 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 9 states have internal predecessors, (55), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 207 [2024-11-28 02:40:29,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:40:29,891 INFO L225 Difference]: With dead ends: 1812 [2024-11-28 02:40:29,891 INFO L226 Difference]: Without dead ends: 1149 [2024-11-28 02:40:29,893 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-11-28 02:40:29,894 INFO L435 NwaCegarLoop]: 142 mSDtfsCounter, 296 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 324 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 507 SdHoareTripleChecker+Invalid, 333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-28 02:40:29,894 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [296 Valid, 507 Invalid, 333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 324 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-28 02:40:29,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1149 states. [2024-11-28 02:40:29,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1149 to 716. [2024-11-28 02:40:29,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 716 states, 637 states have (on average 1.4740973312401884) internal successors, (939), 639 states have internal predecessors, (939), 74 states have call successors, (74), 4 states have call predecessors, (74), 4 states have return successors, (74), 72 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-28 02:40:29,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 1087 transitions. [2024-11-28 02:40:29,945 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 1087 transitions. Word has length 207 [2024-11-28 02:40:29,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:40:29,946 INFO L471 AbstractCegarLoop]: Abstraction has 716 states and 1087 transitions. [2024-11-28 02:40:29,946 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 9 states have internal predecessors, (55), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-28 02:40:29,946 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 1087 transitions. [2024-11-28 02:40:29,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2024-11-28 02:40:29,949 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:40:29,949 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:40:29,950 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 02:40:29,950 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:40:29,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:40:29,950 INFO L85 PathProgramCache]: Analyzing trace with hash 91669247, now seen corresponding path program 1 times [2024-11-28 02:40:29,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:40:29,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412134725] [2024-11-28 02:40:29,951 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:40:29,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:40:29,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:40:30,078 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-28 02:40:30,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:40:30,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412134725] [2024-11-28 02:40:30,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412134725] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:40:30,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:40:30,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:40:30,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247155203] [2024-11-28 02:40:30,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:40:30,080 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:40:30,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:40:30,080 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:40:30,081 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:40:30,081 INFO L87 Difference]: Start difference. First operand 716 states and 1087 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-28 02:40:30,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:40:30,215 INFO L93 Difference]: Finished difference Result 1813 states and 2750 transitions. [2024-11-28 02:40:30,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:40:30,216 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 207 [2024-11-28 02:40:30,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:40:30,224 INFO L225 Difference]: With dead ends: 1813 [2024-11-28 02:40:30,224 INFO L226 Difference]: Without dead ends: 1100 [2024-11-28 02:40:30,226 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 02:40:30,227 INFO L435 NwaCegarLoop]: 315 mSDtfsCounter, 148 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 459 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:40:30,227 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 459 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:40:30,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1100 states. [2024-11-28 02:40:30,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1100 to 891. [2024-11-28 02:40:30,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 891 states, 812 states have (on average 1.4901477832512315) internal successors, (1210), 814 states have internal predecessors, (1210), 74 states have call successors, (74), 4 states have call predecessors, (74), 4 states have return successors, (74), 72 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-28 02:40:30,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 891 states to 891 states and 1358 transitions. [2024-11-28 02:40:30,297 INFO L78 Accepts]: Start accepts. Automaton has 891 states and 1358 transitions. Word has length 207 [2024-11-28 02:40:30,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:40:30,297 INFO L471 AbstractCegarLoop]: Abstraction has 891 states and 1358 transitions. [2024-11-28 02:40:30,297 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-28 02:40:30,298 INFO L276 IsEmpty]: Start isEmpty. Operand 891 states and 1358 transitions. [2024-11-28 02:40:30,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-11-28 02:40:30,303 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:40:30,303 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:40:30,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 02:40:30,303 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:40:30,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:40:30,304 INFO L85 PathProgramCache]: Analyzing trace with hash -515082686, now seen corresponding path program 1 times [2024-11-28 02:40:30,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:40:30,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450471756] [2024-11-28 02:40:30,304 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:40:30,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:40:30,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:40:30,559 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-28 02:40:30,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:40:30,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450471756] [2024-11-28 02:40:30,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450471756] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:40:30,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:40:30,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:40:30,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255321719] [2024-11-28 02:40:30,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:40:30,561 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:40:30,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:40:30,562 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:40:30,562 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:40:30,563 INFO L87 Difference]: Start difference. First operand 891 states and 1358 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-28 02:40:30,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:40:30,623 INFO L93 Difference]: Finished difference Result 1783 states and 2719 transitions. [2024-11-28 02:40:30,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:40:30,623 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 208 [2024-11-28 02:40:30,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:40:30,630 INFO L225 Difference]: With dead ends: 1783 [2024-11-28 02:40:30,630 INFO L226 Difference]: Without dead ends: 895 [2024-11-28 02:40:30,632 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:40:30,633 INFO L435 NwaCegarLoop]: 174 mSDtfsCounter, 0 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:40:30,633 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 510 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:40:30,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 895 states. [2024-11-28 02:40:30,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 895 to 895. [2024-11-28 02:40:30,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 895 states, 816 states have (on average 1.4877450980392157) internal successors, (1214), 818 states have internal predecessors, (1214), 74 states have call successors, (74), 4 states have call predecessors, (74), 4 states have return successors, (74), 72 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-28 02:40:30,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 895 states and 1362 transitions. [2024-11-28 02:40:30,712 INFO L78 Accepts]: Start accepts. Automaton has 895 states and 1362 transitions. Word has length 208 [2024-11-28 02:40:30,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:40:30,713 INFO L471 AbstractCegarLoop]: Abstraction has 895 states and 1362 transitions. [2024-11-28 02:40:30,713 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-28 02:40:30,713 INFO L276 IsEmpty]: Start isEmpty. Operand 895 states and 1362 transitions. [2024-11-28 02:40:30,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-11-28 02:40:30,719 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:40:30,719 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:40:30,719 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 02:40:30,719 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:40:30,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:40:30,720 INFO L85 PathProgramCache]: Analyzing trace with hash 1290355648, now seen corresponding path program 1 times [2024-11-28 02:40:30,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:40:30,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164029767] [2024-11-28 02:40:30,720 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:40:30,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:40:30,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:40:31,151 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-28 02:40:31,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:40:31,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164029767] [2024-11-28 02:40:31,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164029767] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:40:31,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:40:31,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:40:31,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709881598] [2024-11-28 02:40:31,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:40:31,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:40:31,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:40:31,156 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:40:31,156 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:40:31,156 INFO L87 Difference]: Start difference. First operand 895 states and 1362 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-28 02:40:32,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:40:32,017 INFO L93 Difference]: Finished difference Result 2432 states and 3688 transitions. [2024-11-28 02:40:32,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:40:32,018 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 208 [2024-11-28 02:40:32,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:40:32,026 INFO L225 Difference]: With dead ends: 2432 [2024-11-28 02:40:32,026 INFO L226 Difference]: Without dead ends: 1540 [2024-11-28 02:40:32,028 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:40:32,029 INFO L435 NwaCegarLoop]: 203 mSDtfsCounter, 166 mSDsluCounter, 427 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 630 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 02:40:32,029 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 630 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 02:40:32,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1540 states. [2024-11-28 02:40:32,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1540 to 1263. [2024-11-28 02:40:32,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1263 states, 1172 states have (on average 1.5025597269624573) internal successors, (1761), 1176 states have internal predecessors, (1761), 82 states have call successors, (82), 8 states have call predecessors, (82), 8 states have return successors, (82), 78 states have call predecessors, (82), 82 states have call successors, (82) [2024-11-28 02:40:32,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1263 states to 1263 states and 1925 transitions. [2024-11-28 02:40:32,106 INFO L78 Accepts]: Start accepts. Automaton has 1263 states and 1925 transitions. Word has length 208 [2024-11-28 02:40:32,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:40:32,107 INFO L471 AbstractCegarLoop]: Abstraction has 1263 states and 1925 transitions. [2024-11-28 02:40:32,107 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-28 02:40:32,107 INFO L276 IsEmpty]: Start isEmpty. Operand 1263 states and 1925 transitions. [2024-11-28 02:40:32,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-11-28 02:40:32,110 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:40:32,110 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:40:32,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 02:40:32,111 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:40:32,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:40:32,111 INFO L85 PathProgramCache]: Analyzing trace with hash -1732730012, now seen corresponding path program 1 times [2024-11-28 02:40:32,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:40:32,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825144652] [2024-11-28 02:40:32,111 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:40:32,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:40:32,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:40:32,650 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 30 proven. 60 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2024-11-28 02:40:32,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:40:32,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825144652] [2024-11-28 02:40:32,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825144652] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:40:32,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [459718717] [2024-11-28 02:40:32,653 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:40:32,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:40:32,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5288d8-9b15-498c-881c-1ece3756c334/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:40:32,658 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5288d8-9b15-498c-881c-1ece3756c334/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:40:32,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5288d8-9b15-498c-881c-1ece3756c334/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 02:40:32,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:40:32,883 INFO L256 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-28 02:40:32,900 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:40:34,249 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 872 proven. 114 refuted. 0 times theorem prover too weak. 874 trivial. 0 not checked. [2024-11-28 02:40:34,250 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:40:34,926 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 30 proven. 60 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2024-11-28 02:40:34,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [459718717] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:40:34,927 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 02:40:34,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 10, 6] total 19 [2024-11-28 02:40:34,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442748955] [2024-11-28 02:40:34,927 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 02:40:34,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-28 02:40:34,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:40:34,931 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-28 02:40:34,931 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=258, Unknown=0, NotChecked=0, Total=342 [2024-11-28 02:40:34,931 INFO L87 Difference]: Start difference. First operand 1263 states and 1925 transitions. Second operand has 19 states, 19 states have (on average 6.2105263157894735) internal successors, (118), 18 states have internal predecessors, (118), 6 states have call successors, (82), 4 states have call predecessors, (82), 7 states have return successors, (83), 6 states have call predecessors, (83), 6 states have call successors, (83) [2024-11-28 02:40:37,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:40:37,206 INFO L93 Difference]: Finished difference Result 2681 states and 4008 transitions. [2024-11-28 02:40:37,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-28 02:40:37,207 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 6.2105263157894735) internal successors, (118), 18 states have internal predecessors, (118), 6 states have call successors, (82), 4 states have call predecessors, (82), 7 states have return successors, (83), 6 states have call predecessors, (83), 6 states have call successors, (83) Word has length 209 [2024-11-28 02:40:37,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:40:37,214 INFO L225 Difference]: With dead ends: 2681 [2024-11-28 02:40:37,214 INFO L226 Difference]: Without dead ends: 1421 [2024-11-28 02:40:37,217 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 460 GetRequests, 412 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 704 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=529, Invalid=1921, Unknown=0, NotChecked=0, Total=2450 [2024-11-28 02:40:37,218 INFO L435 NwaCegarLoop]: 175 mSDtfsCounter, 519 mSDsluCounter, 882 mSDsCounter, 0 mSdLazyCounter, 1010 mSolverCounterSat, 377 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 531 SdHoareTripleChecker+Valid, 1057 SdHoareTripleChecker+Invalid, 1387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 377 IncrementalHoareTripleChecker+Valid, 1010 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-28 02:40:37,218 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [531 Valid, 1057 Invalid, 1387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [377 Valid, 1010 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-28 02:40:37,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1421 states. [2024-11-28 02:40:37,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1421 to 1087. [2024-11-28 02:40:37,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1087 states, 937 states have (on average 1.424759871931697) internal successors, (1335), 943 states have internal predecessors, (1335), 129 states have call successors, (129), 20 states have call predecessors, (129), 20 states have return successors, (129), 123 states have call predecessors, (129), 129 states have call successors, (129) [2024-11-28 02:40:37,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1087 states to 1087 states and 1593 transitions. [2024-11-28 02:40:37,350 INFO L78 Accepts]: Start accepts. Automaton has 1087 states and 1593 transitions. Word has length 209 [2024-11-28 02:40:37,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:40:37,351 INFO L471 AbstractCegarLoop]: Abstraction has 1087 states and 1593 transitions. [2024-11-28 02:40:37,351 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 6.2105263157894735) internal successors, (118), 18 states have internal predecessors, (118), 6 states have call successors, (82), 4 states have call predecessors, (82), 7 states have return successors, (83), 6 states have call predecessors, (83), 6 states have call successors, (83) [2024-11-28 02:40:37,351 INFO L276 IsEmpty]: Start isEmpty. Operand 1087 states and 1593 transitions. [2024-11-28 02:40:37,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-11-28 02:40:37,354 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:40:37,354 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:40:37,365 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5288d8-9b15-498c-881c-1ece3756c334/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 02:40:37,558 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5288d8-9b15-498c-881c-1ece3756c334/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-28 02:40:37,559 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:40:37,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:40:37,559 INFO L85 PathProgramCache]: Analyzing trace with hash -1064135639, now seen corresponding path program 1 times [2024-11-28 02:40:37,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:40:37,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990336529] [2024-11-28 02:40:37,560 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:40:37,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:40:37,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:40:40,193 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-28 02:40:40,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:40:40,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990336529] [2024-11-28 02:40:40,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990336529] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:40:40,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:40:40,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 02:40:40,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046179847] [2024-11-28 02:40:40,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:40:40,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 02:40:40,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:40:40,195 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 02:40:40,196 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:40:40,196 INFO L87 Difference]: Start difference. First operand 1087 states and 1593 transitions. Second operand has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-28 02:40:41,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:40:41,548 INFO L93 Difference]: Finished difference Result 2598 states and 3723 transitions. [2024-11-28 02:40:41,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 02:40:41,549 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 209 [2024-11-28 02:40:41,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:40:41,558 INFO L225 Difference]: With dead ends: 2598 [2024-11-28 02:40:41,558 INFO L226 Difference]: Without dead ends: 1763 [2024-11-28 02:40:41,560 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2024-11-28 02:40:41,561 INFO L435 NwaCegarLoop]: 138 mSDtfsCounter, 324 mSDsluCounter, 468 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 324 SdHoareTripleChecker+Valid, 606 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-28 02:40:41,561 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [324 Valid, 606 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-28 02:40:41,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1763 states. [2024-11-28 02:40:41,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1763 to 1106. [2024-11-28 02:40:41,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1106 states, 956 states have (on average 1.4320083682008369) internal successors, (1369), 962 states have internal predecessors, (1369), 129 states have call successors, (129), 20 states have call predecessors, (129), 20 states have return successors, (129), 123 states have call predecessors, (129), 129 states have call successors, (129) [2024-11-28 02:40:41,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1106 states to 1106 states and 1627 transitions. [2024-11-28 02:40:41,684 INFO L78 Accepts]: Start accepts. Automaton has 1106 states and 1627 transitions. Word has length 209 [2024-11-28 02:40:41,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:40:41,685 INFO L471 AbstractCegarLoop]: Abstraction has 1106 states and 1627 transitions. [2024-11-28 02:40:41,685 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-28 02:40:41,685 INFO L276 IsEmpty]: Start isEmpty. Operand 1106 states and 1627 transitions. [2024-11-28 02:40:41,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-11-28 02:40:41,688 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:40:41,688 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:40:41,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 02:40:41,688 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:40:41,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:40:41,689 INFO L85 PathProgramCache]: Analyzing trace with hash -2075252889, now seen corresponding path program 1 times [2024-11-28 02:40:41,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:40:41,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020169146] [2024-11-28 02:40:41,689 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:40:41,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:40:41,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:40:44,898 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-28 02:40:44,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:40:44,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020169146] [2024-11-28 02:40:44,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020169146] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:40:44,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:40:44,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-28 02:40:44,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297065771] [2024-11-28 02:40:44,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:40:44,900 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 02:40:44,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:40:44,901 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 02:40:44,901 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-28 02:40:44,901 INFO L87 Difference]: Start difference. First operand 1106 states and 1627 transitions. Second operand has 10 states, 10 states have (on average 5.7) internal successors, (57), 10 states have internal predecessors, (57), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-28 02:40:46,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:40:46,985 INFO L93 Difference]: Finished difference Result 2652 states and 3815 transitions. [2024-11-28 02:40:46,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 02:40:46,985 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.7) internal successors, (57), 10 states have internal predecessors, (57), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 209 [2024-11-28 02:40:46,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:40:46,994 INFO L225 Difference]: With dead ends: 2652 [2024-11-28 02:40:46,994 INFO L226 Difference]: Without dead ends: 1798 [2024-11-28 02:40:46,996 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=93, Invalid=147, Unknown=0, NotChecked=0, Total=240 [2024-11-28 02:40:46,996 INFO L435 NwaCegarLoop]: 136 mSDtfsCounter, 405 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 384 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 405 SdHoareTripleChecker+Valid, 475 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-28 02:40:46,997 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [405 Valid, 475 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 384 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-28 02:40:46,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1798 states. [2024-11-28 02:40:47,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1798 to 1112. [2024-11-28 02:40:47,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1112 states, 962 states have (on average 1.4324324324324325) internal successors, (1378), 968 states have internal predecessors, (1378), 129 states have call successors, (129), 20 states have call predecessors, (129), 20 states have return successors, (129), 123 states have call predecessors, (129), 129 states have call successors, (129) [2024-11-28 02:40:47,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 1112 states and 1636 transitions. [2024-11-28 02:40:47,105 INFO L78 Accepts]: Start accepts. Automaton has 1112 states and 1636 transitions. Word has length 209 [2024-11-28 02:40:47,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:40:47,106 INFO L471 AbstractCegarLoop]: Abstraction has 1112 states and 1636 transitions. [2024-11-28 02:40:47,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.7) internal successors, (57), 10 states have internal predecessors, (57), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-28 02:40:47,106 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 1636 transitions. [2024-11-28 02:40:47,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-11-28 02:40:47,109 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:40:47,109 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:40:47,109 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 02:40:47,109 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:40:47,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:40:47,111 INFO L85 PathProgramCache]: Analyzing trace with hash 1198646053, now seen corresponding path program 1 times [2024-11-28 02:40:47,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:40:47,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201948896] [2024-11-28 02:40:47,111 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:40:47,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:40:47,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:40:47,709 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-28 02:40:47,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:40:47,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201948896] [2024-11-28 02:40:47,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201948896] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:40:47,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:40:47,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 02:40:47,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342621589] [2024-11-28 02:40:47,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:40:47,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 02:40:47,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:40:47,712 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 02:40:47,712 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:40:47,712 INFO L87 Difference]: Start difference. First operand 1112 states and 1636 transitions. Second operand has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 9 states have internal predecessors, (57), 3 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-11-28 02:40:49,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:40:49,948 INFO L93 Difference]: Finished difference Result 5025 states and 7314 transitions. [2024-11-28 02:40:49,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 02:40:49,949 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 9 states have internal predecessors, (57), 3 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 209 [2024-11-28 02:40:49,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:40:49,965 INFO L225 Difference]: With dead ends: 5025 [2024-11-28 02:40:49,965 INFO L226 Difference]: Without dead ends: 4083 [2024-11-28 02:40:49,969 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=107, Invalid=199, Unknown=0, NotChecked=0, Total=306 [2024-11-28 02:40:49,969 INFO L435 NwaCegarLoop]: 352 mSDtfsCounter, 685 mSDsluCounter, 987 mSDsCounter, 0 mSdLazyCounter, 1097 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 685 SdHoareTripleChecker+Valid, 1339 SdHoareTripleChecker+Invalid, 1217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 1097 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-28 02:40:49,969 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [685 Valid, 1339 Invalid, 1217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 1097 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-28 02:40:49,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4083 states. [2024-11-28 02:40:50,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4083 to 2286. [2024-11-28 02:40:50,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2286 states, 2022 states have (on average 1.4332344213649852) internal successors, (2898), 2034 states have internal predecessors, (2898), 227 states have call successors, (227), 36 states have call predecessors, (227), 36 states have return successors, (227), 215 states have call predecessors, (227), 227 states have call successors, (227) [2024-11-28 02:40:50,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2286 states to 2286 states and 3352 transitions. [2024-11-28 02:40:50,243 INFO L78 Accepts]: Start accepts. Automaton has 2286 states and 3352 transitions. Word has length 209 [2024-11-28 02:40:50,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:40:50,243 INFO L471 AbstractCegarLoop]: Abstraction has 2286 states and 3352 transitions. [2024-11-28 02:40:50,244 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 9 states have internal predecessors, (57), 3 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-11-28 02:40:50,244 INFO L276 IsEmpty]: Start isEmpty. Operand 2286 states and 3352 transitions. [2024-11-28 02:40:50,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-11-28 02:40:50,248 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:40:50,248 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:40:50,249 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-28 02:40:50,249 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:40:50,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:40:50,250 INFO L85 PathProgramCache]: Analyzing trace with hash 213783138, now seen corresponding path program 1 times [2024-11-28 02:40:50,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:40:50,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636014267] [2024-11-28 02:40:50,250 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:40:50,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:40:50,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:40:52,665 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-28 02:40:52,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:40:52,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636014267] [2024-11-28 02:40:52,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636014267] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:40:52,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:40:52,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-28 02:40:52,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982349133] [2024-11-28 02:40:52,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:40:52,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 02:40:52,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:40:52,667 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 02:40:52,667 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-28 02:40:52,667 INFO L87 Difference]: Start difference. First operand 2286 states and 3352 transitions. Second operand has 11 states, 11 states have (on average 5.181818181818182) internal successors, (57), 11 states have internal predecessors, (57), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-28 02:40:55,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:40:55,508 INFO L93 Difference]: Finished difference Result 4157 states and 5979 transitions. [2024-11-28 02:40:55,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-28 02:40:55,509 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.181818181818182) internal successors, (57), 11 states have internal predecessors, (57), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 209 [2024-11-28 02:40:55,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:40:55,522 INFO L225 Difference]: With dead ends: 4157 [2024-11-28 02:40:55,522 INFO L226 Difference]: Without dead ends: 3615 [2024-11-28 02:40:55,524 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2024-11-28 02:40:55,525 INFO L435 NwaCegarLoop]: 235 mSDtfsCounter, 431 mSDsluCounter, 1318 mSDsCounter, 0 mSdLazyCounter, 1121 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 431 SdHoareTripleChecker+Valid, 1553 SdHoareTripleChecker+Invalid, 1155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 1121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-28 02:40:55,525 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [431 Valid, 1553 Invalid, 1155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 1121 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-28 02:40:55,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3615 states. [2024-11-28 02:40:55,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3615 to 2313. [2024-11-28 02:40:55,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2313 states, 2049 states have (on average 1.4333821376281113) internal successors, (2937), 2061 states have internal predecessors, (2937), 227 states have call successors, (227), 36 states have call predecessors, (227), 36 states have return successors, (227), 215 states have call predecessors, (227), 227 states have call successors, (227) [2024-11-28 02:40:55,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2313 states to 2313 states and 3391 transitions. [2024-11-28 02:40:55,786 INFO L78 Accepts]: Start accepts. Automaton has 2313 states and 3391 transitions. Word has length 209 [2024-11-28 02:40:55,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:40:55,787 INFO L471 AbstractCegarLoop]: Abstraction has 2313 states and 3391 transitions. [2024-11-28 02:40:55,787 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.181818181818182) internal successors, (57), 11 states have internal predecessors, (57), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-28 02:40:55,787 INFO L276 IsEmpty]: Start isEmpty. Operand 2313 states and 3391 transitions. [2024-11-28 02:40:55,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-11-28 02:40:55,789 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:40:55,790 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:40:55,790 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-28 02:40:55,790 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:40:55,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:40:55,790 INFO L85 PathProgramCache]: Analyzing trace with hash -797334112, now seen corresponding path program 1 times [2024-11-28 02:40:55,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:40:55,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577478968] [2024-11-28 02:40:55,791 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:40:55,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:40:55,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:40:57,552 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-28 02:40:57,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:40:57,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577478968] [2024-11-28 02:40:57,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577478968] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:40:57,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:40:57,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-28 02:40:57,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931421785] [2024-11-28 02:40:57,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:40:57,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 02:40:57,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:40:57,554 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 02:40:57,554 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-28 02:40:57,554 INFO L87 Difference]: Start difference. First operand 2313 states and 3391 transitions. Second operand has 10 states, 10 states have (on average 5.7) internal successors, (57), 10 states have internal predecessors, (57), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-28 02:40:58,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:40:58,715 INFO L93 Difference]: Finished difference Result 5660 states and 8176 transitions. [2024-11-28 02:40:58,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 02:40:58,716 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.7) internal successors, (57), 10 states have internal predecessors, (57), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 209 [2024-11-28 02:40:58,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:40:58,728 INFO L225 Difference]: With dead ends: 5660 [2024-11-28 02:40:58,728 INFO L226 Difference]: Without dead ends: 3606 [2024-11-28 02:40:58,731 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=58, Invalid=98, Unknown=0, NotChecked=0, Total=156 [2024-11-28 02:40:58,732 INFO L435 NwaCegarLoop]: 192 mSDtfsCounter, 222 mSDsluCounter, 618 mSDsCounter, 0 mSdLazyCounter, 414 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 810 SdHoareTripleChecker+Invalid, 422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 414 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 02:40:58,732 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 810 Invalid, 422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 414 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 02:40:58,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3606 states. [2024-11-28 02:40:59,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3606 to 2558. [2024-11-28 02:40:59,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2558 states, 2294 states have (on average 1.4315605928509154) internal successors, (3284), 2306 states have internal predecessors, (3284), 227 states have call successors, (227), 36 states have call predecessors, (227), 36 states have return successors, (227), 215 states have call predecessors, (227), 227 states have call successors, (227) [2024-11-28 02:40:59,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2558 states to 2558 states and 3738 transitions. [2024-11-28 02:40:59,030 INFO L78 Accepts]: Start accepts. Automaton has 2558 states and 3738 transitions. Word has length 209 [2024-11-28 02:40:59,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:40:59,031 INFO L471 AbstractCegarLoop]: Abstraction has 2558 states and 3738 transitions. [2024-11-28 02:40:59,031 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.7) internal successors, (57), 10 states have internal predecessors, (57), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-28 02:40:59,031 INFO L276 IsEmpty]: Start isEmpty. Operand 2558 states and 3738 transitions. [2024-11-28 02:40:59,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-11-28 02:40:59,033 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:40:59,034 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:40:59,034 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-28 02:40:59,034 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:40:59,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:40:59,035 INFO L85 PathProgramCache]: Analyzing trace with hash 636348179, now seen corresponding path program 1 times [2024-11-28 02:40:59,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:40:59,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829874014] [2024-11-28 02:40:59,035 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:40:59,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:40:59,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:40:59,464 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 12 proven. 78 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2024-11-28 02:40:59,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:40:59,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829874014] [2024-11-28 02:40:59,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829874014] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:40:59,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1392538537] [2024-11-28 02:40:59,465 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:40:59,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:40:59,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5288d8-9b15-498c-881c-1ece3756c334/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:40:59,467 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5288d8-9b15-498c-881c-1ece3756c334/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:40:59,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5288d8-9b15-498c-881c-1ece3756c334/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 02:40:59,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:40:59,633 INFO L256 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-28 02:40:59,638 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:41:00,459 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 482 proven. 150 refuted. 0 times theorem prover too weak. 1228 trivial. 0 not checked. [2024-11-28 02:41:00,459 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:41:00,768 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 12 proven. 78 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2024-11-28 02:41:00,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1392538537] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:41:00,768 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 02:41:00,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9, 6] total 14 [2024-11-28 02:41:00,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641580581] [2024-11-28 02:41:00,768 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 02:41:00,769 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 02:41:00,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:41:00,769 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 02:41:00,769 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2024-11-28 02:41:00,770 INFO L87 Difference]: Start difference. First operand 2558 states and 3738 transitions. Second operand has 14 states, 14 states have (on average 7.857142857142857) internal successors, (110), 14 states have internal predecessors, (110), 4 states have call successors, (83), 3 states have call predecessors, (83), 5 states have return successors, (84), 4 states have call predecessors, (84), 4 states have call successors, (84) [2024-11-28 02:41:02,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:41:02,432 INFO L93 Difference]: Finished difference Result 5428 states and 7701 transitions. [2024-11-28 02:41:02,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-28 02:41:02,432 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 7.857142857142857) internal successors, (110), 14 states have internal predecessors, (110), 4 states have call successors, (83), 3 states have call predecessors, (83), 5 states have return successors, (84), 4 states have call predecessors, (84), 4 states have call successors, (84) Word has length 210 [2024-11-28 02:41:02,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:41:02,445 INFO L225 Difference]: With dead ends: 5428 [2024-11-28 02:41:02,445 INFO L226 Difference]: Without dead ends: 3078 [2024-11-28 02:41:02,448 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 456 GetRequests, 418 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 331 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=424, Invalid=1058, Unknown=0, NotChecked=0, Total=1482 [2024-11-28 02:41:02,449 INFO L435 NwaCegarLoop]: 171 mSDtfsCounter, 688 mSDsluCounter, 599 mSDsCounter, 0 mSdLazyCounter, 876 mSolverCounterSat, 188 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 694 SdHoareTripleChecker+Valid, 770 SdHoareTripleChecker+Invalid, 1064 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 188 IncrementalHoareTripleChecker+Valid, 876 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-28 02:41:02,449 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [694 Valid, 770 Invalid, 1064 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [188 Valid, 876 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-28 02:41:02,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3078 states. [2024-11-28 02:41:02,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3078 to 1437. [2024-11-28 02:41:02,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1437 states, 1215 states have (on average 1.4024691358024692) internal successors, (1704), 1220 states have internal predecessors, (1704), 183 states have call successors, (183), 38 states have call predecessors, (183), 38 states have return successors, (183), 178 states have call predecessors, (183), 183 states have call successors, (183) [2024-11-28 02:41:02,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1437 states to 1437 states and 2070 transitions. [2024-11-28 02:41:02,695 INFO L78 Accepts]: Start accepts. Automaton has 1437 states and 2070 transitions. Word has length 210 [2024-11-28 02:41:02,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:41:02,696 INFO L471 AbstractCegarLoop]: Abstraction has 1437 states and 2070 transitions. [2024-11-28 02:41:02,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 7.857142857142857) internal successors, (110), 14 states have internal predecessors, (110), 4 states have call successors, (83), 3 states have call predecessors, (83), 5 states have return successors, (84), 4 states have call predecessors, (84), 4 states have call successors, (84) [2024-11-28 02:41:02,696 INFO L276 IsEmpty]: Start isEmpty. Operand 1437 states and 2070 transitions. [2024-11-28 02:41:02,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-11-28 02:41:02,697 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:41:02,698 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:41:02,708 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5288d8-9b15-498c-881c-1ece3756c334/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 02:41:02,898 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5288d8-9b15-498c-881c-1ece3756c334/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-28 02:41:02,899 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:41:02,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:41:02,899 INFO L85 PathProgramCache]: Analyzing trace with hash 323196620, now seen corresponding path program 1 times [2024-11-28 02:41:02,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:41:02,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812305654] [2024-11-28 02:41:02,900 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:41:02,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:41:03,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:41:05,225 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-28 02:41:05,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:41:05,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812305654] [2024-11-28 02:41:05,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812305654] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:41:05,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:41:05,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 02:41:05,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294845406] [2024-11-28 02:41:05,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:41:05,226 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 02:41:05,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:41:05,227 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 02:41:05,227 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:41:05,227 INFO L87 Difference]: Start difference. First operand 1437 states and 2070 transitions. Second operand has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-28 02:41:06,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:41:06,139 INFO L93 Difference]: Finished difference Result 2895 states and 4198 transitions. [2024-11-28 02:41:06,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 02:41:06,139 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 211 [2024-11-28 02:41:06,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:41:06,147 INFO L225 Difference]: With dead ends: 2895 [2024-11-28 02:41:06,147 INFO L226 Difference]: Without dead ends: 2283 [2024-11-28 02:41:06,149 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:41:06,149 INFO L435 NwaCegarLoop]: 135 mSDtfsCounter, 222 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 268 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 02:41:06,149 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 464 Invalid, 272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 268 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 02:41:06,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2283 states. [2024-11-28 02:41:06,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2283 to 1471. [2024-11-28 02:41:06,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1471 states, 1249 states have (on average 1.4067253803042434) internal successors, (1757), 1254 states have internal predecessors, (1757), 183 states have call successors, (183), 38 states have call predecessors, (183), 38 states have return successors, (183), 178 states have call predecessors, (183), 183 states have call successors, (183) [2024-11-28 02:41:06,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1471 states to 1471 states and 2123 transitions. [2024-11-28 02:41:06,361 INFO L78 Accepts]: Start accepts. Automaton has 1471 states and 2123 transitions. Word has length 211 [2024-11-28 02:41:06,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:41:06,361 INFO L471 AbstractCegarLoop]: Abstraction has 1471 states and 2123 transitions. [2024-11-28 02:41:06,362 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-28 02:41:06,362 INFO L276 IsEmpty]: Start isEmpty. Operand 1471 states and 2123 transitions. [2024-11-28 02:41:06,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-11-28 02:41:06,363 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:41:06,363 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:41:06,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-28 02:41:06,364 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:41:06,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:41:06,364 INFO L85 PathProgramCache]: Analyzing trace with hash -687920630, now seen corresponding path program 1 times [2024-11-28 02:41:06,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:41:06,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401304248] [2024-11-28 02:41:06,365 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:41:06,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:41:06,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:41:09,261 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-28 02:41:09,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:41:09,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401304248] [2024-11-28 02:41:09,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401304248] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:41:09,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:41:09,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-28 02:41:09,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770820780] [2024-11-28 02:41:09,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:41:09,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 02:41:09,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:41:09,262 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 02:41:09,262 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2024-11-28 02:41:09,263 INFO L87 Difference]: Start difference. First operand 1471 states and 2123 transitions. Second operand has 12 states, 12 states have (on average 4.916666666666667) internal successors, (59), 12 states have internal predecessors, (59), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-28 02:41:11,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:41:11,007 INFO L93 Difference]: Finished difference Result 4062 states and 5841 transitions. [2024-11-28 02:41:11,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 02:41:11,008 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.916666666666667) internal successors, (59), 12 states have internal predecessors, (59), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 211 [2024-11-28 02:41:11,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:41:11,018 INFO L225 Difference]: With dead ends: 4062 [2024-11-28 02:41:11,018 INFO L226 Difference]: Without dead ends: 2859 [2024-11-28 02:41:11,020 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2024-11-28 02:41:11,021 INFO L435 NwaCegarLoop]: 185 mSDtfsCounter, 517 mSDsluCounter, 462 mSDsCounter, 0 mSdLazyCounter, 625 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 517 SdHoareTripleChecker+Valid, 647 SdHoareTripleChecker+Invalid, 637 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 625 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-28 02:41:11,021 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [517 Valid, 647 Invalid, 637 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 625 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-28 02:41:11,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2859 states. [2024-11-28 02:41:11,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2859 to 1659. [2024-11-28 02:41:11,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1659 states, 1437 states have (on average 1.420320111343076) internal successors, (2041), 1442 states have internal predecessors, (2041), 183 states have call successors, (183), 38 states have call predecessors, (183), 38 states have return successors, (183), 178 states have call predecessors, (183), 183 states have call successors, (183) [2024-11-28 02:41:11,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1659 states to 1659 states and 2407 transitions. [2024-11-28 02:41:11,238 INFO L78 Accepts]: Start accepts. Automaton has 1659 states and 2407 transitions. Word has length 211 [2024-11-28 02:41:11,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:41:11,241 INFO L471 AbstractCegarLoop]: Abstraction has 1659 states and 2407 transitions. [2024-11-28 02:41:11,241 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.916666666666667) internal successors, (59), 12 states have internal predecessors, (59), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-28 02:41:11,241 INFO L276 IsEmpty]: Start isEmpty. Operand 1659 states and 2407 transitions. [2024-11-28 02:41:11,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-11-28 02:41:11,243 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:41:11,243 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:41:11,243 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-28 02:41:11,243 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:41:11,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:41:11,244 INFO L85 PathProgramCache]: Analyzing trace with hash -1708988984, now seen corresponding path program 1 times [2024-11-28 02:41:11,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:41:11,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754771096] [2024-11-28 02:41:11,244 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:41:11,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:41:11,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:41:11,835 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-28 02:41:11,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:41:11,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754771096] [2024-11-28 02:41:11,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754771096] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:41:11,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:41:11,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 02:41:11,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907311861] [2024-11-28 02:41:11,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:41:11,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 02:41:11,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:41:11,838 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 02:41:11,838 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:41:11,839 INFO L87 Difference]: Start difference. First operand 1659 states and 2407 transitions. Second operand has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 3 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-11-28 02:41:12,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:41:12,829 INFO L93 Difference]: Finished difference Result 4012 states and 5839 transitions. [2024-11-28 02:41:12,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:41:12,829 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 3 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 211 [2024-11-28 02:41:12,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:41:12,840 INFO L225 Difference]: With dead ends: 4012 [2024-11-28 02:41:12,841 INFO L226 Difference]: Without dead ends: 2430 [2024-11-28 02:41:12,842 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:41:12,843 INFO L435 NwaCegarLoop]: 367 mSDtfsCounter, 324 mSDsluCounter, 481 mSDsCounter, 0 mSdLazyCounter, 329 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 324 SdHoareTripleChecker+Valid, 848 SdHoareTripleChecker+Invalid, 422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 02:41:12,843 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [324 Valid, 848 Invalid, 422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 329 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 02:41:12,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2430 states. [2024-11-28 02:41:13,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2430 to 1581. [2024-11-28 02:41:13,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1581 states, 1359 states have (on average 1.40691685062546) internal successors, (1912), 1364 states have internal predecessors, (1912), 183 states have call successors, (183), 38 states have call predecessors, (183), 38 states have return successors, (183), 178 states have call predecessors, (183), 183 states have call successors, (183) [2024-11-28 02:41:13,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1581 states to 1581 states and 2278 transitions. [2024-11-28 02:41:13,007 INFO L78 Accepts]: Start accepts. Automaton has 1581 states and 2278 transitions. Word has length 211 [2024-11-28 02:41:13,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:41:13,008 INFO L471 AbstractCegarLoop]: Abstraction has 1581 states and 2278 transitions. [2024-11-28 02:41:13,008 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 3 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-11-28 02:41:13,008 INFO L276 IsEmpty]: Start isEmpty. Operand 1581 states and 2278 transitions. [2024-11-28 02:41:13,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-11-28 02:41:13,009 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:41:13,009 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:41:13,010 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-28 02:41:13,010 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:41:13,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:41:13,010 INFO L85 PathProgramCache]: Analyzing trace with hash -1365747122, now seen corresponding path program 1 times [2024-11-28 02:41:13,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:41:13,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68837149] [2024-11-28 02:41:13,010 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:41:13,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:41:13,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:41:23,013 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-28 02:41:23,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:41:23,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68837149] [2024-11-28 02:41:23,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68837149] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:41:23,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:41:23,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-28 02:41:23,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544926659] [2024-11-28 02:41:23,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:41:23,018 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-28 02:41:23,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:41:23,020 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-28 02:41:23,020 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2024-11-28 02:41:23,020 INFO L87 Difference]: Start difference. First operand 1581 states and 2278 transitions. Second operand has 15 states, 15 states have (on average 3.933333333333333) internal successors, (59), 15 states have internal predecessors, (59), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-28 02:41:50,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:41:50,803 INFO L93 Difference]: Finished difference Result 3763 states and 5393 transitions. [2024-11-28 02:41:50,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-28 02:41:50,804 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.933333333333333) internal successors, (59), 15 states have internal predecessors, (59), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 211 [2024-11-28 02:41:50,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:41:50,812 INFO L225 Difference]: With dead ends: 3763 [2024-11-28 02:41:50,812 INFO L226 Difference]: Without dead ends: 3003 [2024-11-28 02:41:50,814 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163 ImplicationChecksByTransitivity, 20.2s TimeCoverageRelationStatistics Valid=260, Invalid=732, Unknown=0, NotChecked=0, Total=992 [2024-11-28 02:41:50,815 INFO L435 NwaCegarLoop]: 180 mSDtfsCounter, 846 mSDsluCounter, 1154 mSDsCounter, 0 mSdLazyCounter, 1435 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 846 SdHoareTripleChecker+Valid, 1334 SdHoareTripleChecker+Invalid, 1463 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1435 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2024-11-28 02:41:50,815 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [846 Valid, 1334 Invalid, 1463 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1435 Invalid, 0 Unknown, 0 Unchecked, 9.9s Time] [2024-11-28 02:41:50,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3003 states. [2024-11-28 02:41:51,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3003 to 1633. [2024-11-28 02:41:51,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1633 states, 1411 states have (on average 1.410347271438696) internal successors, (1990), 1416 states have internal predecessors, (1990), 183 states have call successors, (183), 38 states have call predecessors, (183), 38 states have return successors, (183), 178 states have call predecessors, (183), 183 states have call successors, (183) [2024-11-28 02:41:51,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1633 states to 1633 states and 2356 transitions. [2024-11-28 02:41:51,058 INFO L78 Accepts]: Start accepts. Automaton has 1633 states and 2356 transitions. Word has length 211 [2024-11-28 02:41:51,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:41:51,058 INFO L471 AbstractCegarLoop]: Abstraction has 1633 states and 2356 transitions. [2024-11-28 02:41:51,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.933333333333333) internal successors, (59), 15 states have internal predecessors, (59), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-28 02:41:51,059 INFO L276 IsEmpty]: Start isEmpty. Operand 1633 states and 2356 transitions. [2024-11-28 02:41:51,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-11-28 02:41:51,060 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:41:51,060 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:41:51,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-28 02:41:51,061 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:41:51,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:41:51,061 INFO L85 PathProgramCache]: Analyzing trace with hash 1918102924, now seen corresponding path program 1 times [2024-11-28 02:41:51,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:41:51,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405613633] [2024-11-28 02:41:51,062 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:41:51,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:41:51,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:41:54,145 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-28 02:41:54,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:41:54,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405613633] [2024-11-28 02:41:54,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405613633] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:41:54,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:41:54,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-28 02:41:54,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831164318] [2024-11-28 02:41:54,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:41:54,146 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 02:41:54,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:41:54,147 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 02:41:54,147 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2024-11-28 02:41:54,147 INFO L87 Difference]: Start difference. First operand 1633 states and 2356 transitions. Second operand has 12 states, 12 states have (on average 4.916666666666667) internal successors, (59), 12 states have internal predecessors, (59), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-28 02:41:55,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:41:55,299 INFO L93 Difference]: Finished difference Result 3854 states and 5528 transitions. [2024-11-28 02:41:55,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 02:41:55,300 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.916666666666667) internal successors, (59), 12 states have internal predecessors, (59), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 211 [2024-11-28 02:41:55,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:41:55,308 INFO L225 Difference]: With dead ends: 3854 [2024-11-28 02:41:55,308 INFO L226 Difference]: Without dead ends: 2483 [2024-11-28 02:41:55,310 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=61, Invalid=95, Unknown=0, NotChecked=0, Total=156 [2024-11-28 02:41:55,311 INFO L435 NwaCegarLoop]: 185 mSDtfsCounter, 574 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 429 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 574 SdHoareTripleChecker+Valid, 563 SdHoareTripleChecker+Invalid, 442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-28 02:41:55,312 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [574 Valid, 563 Invalid, 442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 429 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-28 02:41:55,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2483 states. [2024-11-28 02:41:55,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2483 to 1519. [2024-11-28 02:41:55,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1519 states, 1297 states have (on average 1.389360061680802) internal successors, (1802), 1302 states have internal predecessors, (1802), 183 states have call successors, (183), 38 states have call predecessors, (183), 38 states have return successors, (183), 178 states have call predecessors, (183), 183 states have call successors, (183) [2024-11-28 02:41:55,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1519 states to 1519 states and 2168 transitions. [2024-11-28 02:41:55,521 INFO L78 Accepts]: Start accepts. Automaton has 1519 states and 2168 transitions. Word has length 211 [2024-11-28 02:41:55,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:41:55,522 INFO L471 AbstractCegarLoop]: Abstraction has 1519 states and 2168 transitions. [2024-11-28 02:41:55,522 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.916666666666667) internal successors, (59), 12 states have internal predecessors, (59), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-28 02:41:55,522 INFO L276 IsEmpty]: Start isEmpty. Operand 1519 states and 2168 transitions. [2024-11-28 02:41:55,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-11-28 02:41:55,523 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:41:55,523 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:41:55,523 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-28 02:41:55,524 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:41:55,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:41:55,524 INFO L85 PathProgramCache]: Analyzing trace with hash -806872819, now seen corresponding path program 1 times [2024-11-28 02:41:55,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:41:55,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287959461] [2024-11-28 02:41:55,524 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:41:55,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:41:55,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:41:56,003 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-28 02:41:56,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:41:56,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287959461] [2024-11-28 02:41:56,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287959461] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:41:56,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:41:56,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 02:41:56,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491950761] [2024-11-28 02:41:56,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:41:56,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 02:41:56,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:41:56,006 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 02:41:56,007 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:41:56,007 INFO L87 Difference]: Start difference. First operand 1519 states and 2168 transitions. Second operand has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-28 02:41:57,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:41:57,178 INFO L93 Difference]: Finished difference Result 4841 states and 6872 transitions. [2024-11-28 02:41:57,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 02:41:57,180 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 213 [2024-11-28 02:41:57,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:41:57,192 INFO L225 Difference]: With dead ends: 4841 [2024-11-28 02:41:57,192 INFO L226 Difference]: Without dead ends: 3399 [2024-11-28 02:41:57,195 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-28 02:41:57,203 INFO L435 NwaCegarLoop]: 192 mSDtfsCounter, 518 mSDsluCounter, 642 mSDsCounter, 0 mSdLazyCounter, 480 mSolverCounterSat, 188 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 518 SdHoareTripleChecker+Valid, 834 SdHoareTripleChecker+Invalid, 668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 188 IncrementalHoareTripleChecker+Valid, 480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 02:41:57,203 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [518 Valid, 834 Invalid, 668 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [188 Valid, 480 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 02:41:57,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3399 states. [2024-11-28 02:41:57,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3399 to 2403. [2024-11-28 02:41:57,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2403 states, 2089 states have (on average 1.401627573001436) internal successors, (2928), 2096 states have internal predecessors, (2928), 259 states have call successors, (259), 54 states have call predecessors, (259), 54 states have return successors, (259), 252 states have call predecessors, (259), 259 states have call successors, (259) [2024-11-28 02:41:57,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2403 states to 2403 states and 3446 transitions. [2024-11-28 02:41:57,619 INFO L78 Accepts]: Start accepts. Automaton has 2403 states and 3446 transitions. Word has length 213 [2024-11-28 02:41:57,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:41:57,620 INFO L471 AbstractCegarLoop]: Abstraction has 2403 states and 3446 transitions. [2024-11-28 02:41:57,620 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-28 02:41:57,620 INFO L276 IsEmpty]: Start isEmpty. Operand 2403 states and 3446 transitions. [2024-11-28 02:41:57,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-11-28 02:41:57,621 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:41:57,622 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:41:57,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-28 02:41:57,622 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:41:57,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:41:57,622 INFO L85 PathProgramCache]: Analyzing trace with hash -843654338, now seen corresponding path program 1 times [2024-11-28 02:41:57,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:41:57,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403965741] [2024-11-28 02:41:57,623 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:41:57,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:41:57,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:41:58,210 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-28 02:41:58,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:41:58,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403965741] [2024-11-28 02:41:58,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403965741] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:41:58,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:41:58,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 02:41:58,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610488271] [2024-11-28 02:41:58,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:41:58,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 02:41:58,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:41:58,212 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 02:41:58,212 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:41:58,213 INFO L87 Difference]: Start difference. First operand 2403 states and 3446 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-28 02:41:59,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:41:59,557 INFO L93 Difference]: Finished difference Result 5064 states and 7218 transitions. [2024-11-28 02:41:59,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:41:59,558 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 213 [2024-11-28 02:41:59,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:41:59,567 INFO L225 Difference]: With dead ends: 5064 [2024-11-28 02:41:59,568 INFO L226 Difference]: Without dead ends: 2738 [2024-11-28 02:41:59,572 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-28 02:41:59,572 INFO L435 NwaCegarLoop]: 201 mSDtfsCounter, 469 mSDsluCounter, 621 mSDsCounter, 0 mSdLazyCounter, 437 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 469 SdHoareTripleChecker+Valid, 822 SdHoareTripleChecker+Invalid, 480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-28 02:41:59,572 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [469 Valid, 822 Invalid, 480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 437 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-28 02:41:59,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2738 states. [2024-11-28 02:41:59,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2738 to 2483. [2024-11-28 02:41:59,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2483 states, 2169 states have (on average 1.3974181650530197) internal successors, (3031), 2176 states have internal predecessors, (3031), 259 states have call successors, (259), 54 states have call predecessors, (259), 54 states have return successors, (259), 252 states have call predecessors, (259), 259 states have call successors, (259) [2024-11-28 02:41:59,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2483 states to 2483 states and 3549 transitions. [2024-11-28 02:41:59,970 INFO L78 Accepts]: Start accepts. Automaton has 2483 states and 3549 transitions. Word has length 213 [2024-11-28 02:41:59,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:41:59,971 INFO L471 AbstractCegarLoop]: Abstraction has 2483 states and 3549 transitions. [2024-11-28 02:41:59,971 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-28 02:41:59,971 INFO L276 IsEmpty]: Start isEmpty. Operand 2483 states and 3549 transitions. [2024-11-28 02:41:59,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-11-28 02:41:59,972 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:41:59,972 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:41:59,973 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-28 02:41:59,973 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:41:59,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:41:59,973 INFO L85 PathProgramCache]: Analyzing trace with hash -163595968, now seen corresponding path program 1 times [2024-11-28 02:41:59,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:41:59,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504446988] [2024-11-28 02:41:59,973 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:41:59,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:42:00,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:42:02,186 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-28 02:42:02,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:42:02,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504446988] [2024-11-28 02:42:02,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504446988] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:42:02,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:42:02,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-28 02:42:02,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592664820] [2024-11-28 02:42:02,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:42:02,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 02:42:02,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:42:02,187 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 02:42:02,188 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-11-28 02:42:02,188 INFO L87 Difference]: Start difference. First operand 2483 states and 3549 transitions. Second operand has 10 states, 10 states have (on average 6.1) internal successors, (61), 10 states have internal predecessors, (61), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-28 02:42:03,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:42:03,425 INFO L93 Difference]: Finished difference Result 5476 states and 7771 transitions. [2024-11-28 02:42:03,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 02:42:03,426 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.1) internal successors, (61), 10 states have internal predecessors, (61), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 213 [2024-11-28 02:42:03,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:42:03,436 INFO L225 Difference]: With dead ends: 5476 [2024-11-28 02:42:03,437 INFO L226 Difference]: Without dead ends: 3070 [2024-11-28 02:42:03,441 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=56, Invalid=76, Unknown=0, NotChecked=0, Total=132 [2024-11-28 02:42:03,441 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 294 mSDsluCounter, 441 mSDsCounter, 0 mSdLazyCounter, 499 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 294 SdHoareTripleChecker+Valid, 573 SdHoareTripleChecker+Invalid, 515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-28 02:42:03,441 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [294 Valid, 573 Invalid, 515 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 499 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-28 02:42:03,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3070 states. [2024-11-28 02:42:03,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3070 to 2428. [2024-11-28 02:42:03,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2428 states, 2114 states have (on average 1.3987701040681173) internal successors, (2957), 2121 states have internal predecessors, (2957), 259 states have call successors, (259), 54 states have call predecessors, (259), 54 states have return successors, (259), 252 states have call predecessors, (259), 259 states have call successors, (259) [2024-11-28 02:42:03,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2428 states to 2428 states and 3475 transitions. [2024-11-28 02:42:03,845 INFO L78 Accepts]: Start accepts. Automaton has 2428 states and 3475 transitions. Word has length 213 [2024-11-28 02:42:03,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:42:03,846 INFO L471 AbstractCegarLoop]: Abstraction has 2428 states and 3475 transitions. [2024-11-28 02:42:03,846 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.1) internal successors, (61), 10 states have internal predecessors, (61), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-28 02:42:03,846 INFO L276 IsEmpty]: Start isEmpty. Operand 2428 states and 3475 transitions. [2024-11-28 02:42:03,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-11-28 02:42:03,848 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:42:03,848 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:42:03,848 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-28 02:42:03,848 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:42:03,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:42:03,849 INFO L85 PathProgramCache]: Analyzing trace with hash -384170993, now seen corresponding path program 1 times [2024-11-28 02:42:03,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:42:03,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111906987] [2024-11-28 02:42:03,849 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:42:03,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:42:03,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:42:04,180 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-28 02:42:04,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:42:04,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111906987] [2024-11-28 02:42:04,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111906987] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:42:04,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:42:04,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 02:42:04,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369099685] [2024-11-28 02:42:04,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:42:04,181 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:42:04,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:42:04,181 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:42:04,182 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:42:04,182 INFO L87 Difference]: Start difference. First operand 2428 states and 3475 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-28 02:42:04,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:42:04,645 INFO L93 Difference]: Finished difference Result 4657 states and 6646 transitions. [2024-11-28 02:42:04,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:42:04,646 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 213 [2024-11-28 02:42:04,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:42:04,655 INFO L225 Difference]: With dead ends: 4657 [2024-11-28 02:42:04,656 INFO L226 Difference]: Without dead ends: 2306 [2024-11-28 02:42:04,659 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:42:04,660 INFO L435 NwaCegarLoop]: 190 mSDtfsCounter, 203 mSDsluCounter, 420 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 610 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:42:04,660 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 610 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 02:42:04,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2306 states. [2024-11-28 02:42:05,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2306 to 2218. [2024-11-28 02:42:05,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2218 states, 1904 states have (on average 1.3581932773109244) internal successors, (2586), 1911 states have internal predecessors, (2586), 259 states have call successors, (259), 54 states have call predecessors, (259), 54 states have return successors, (259), 252 states have call predecessors, (259), 259 states have call successors, (259) [2024-11-28 02:42:05,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2218 states to 2218 states and 3104 transitions. [2024-11-28 02:42:05,029 INFO L78 Accepts]: Start accepts. Automaton has 2218 states and 3104 transitions. Word has length 213 [2024-11-28 02:42:05,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:42:05,030 INFO L471 AbstractCegarLoop]: Abstraction has 2218 states and 3104 transitions. [2024-11-28 02:42:05,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-28 02:42:05,030 INFO L276 IsEmpty]: Start isEmpty. Operand 2218 states and 3104 transitions. [2024-11-28 02:42:05,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-11-28 02:42:05,031 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:42:05,031 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:42:05,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-28 02:42:05,032 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:42:05,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:42:05,032 INFO L85 PathProgramCache]: Analyzing trace with hash -420952512, now seen corresponding path program 1 times [2024-11-28 02:42:05,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:42:05,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33471512] [2024-11-28 02:42:05,032 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:42:05,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:42:05,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:42:05,186 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-28 02:42:05,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:42:05,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33471512] [2024-11-28 02:42:05,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33471512] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:42:05,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:42:05,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:42:05,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136023131] [2024-11-28 02:42:05,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:42:05,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:42:05,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:42:05,188 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:42:05,188 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:42:05,190 INFO L87 Difference]: Start difference. First operand 2218 states and 3104 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-28 02:42:05,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:42:05,866 INFO L93 Difference]: Finished difference Result 6081 states and 8493 transitions. [2024-11-28 02:42:05,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:42:05,867 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 213 [2024-11-28 02:42:05,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:42:05,878 INFO L225 Difference]: With dead ends: 6081 [2024-11-28 02:42:05,878 INFO L226 Difference]: Without dead ends: 3940 [2024-11-28 02:42:05,881 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 02:42:05,882 INFO L435 NwaCegarLoop]: 211 mSDtfsCounter, 87 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:42:05,882 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 371 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:42:05,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3940 states. [2024-11-28 02:42:06,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3940 to 3899. [2024-11-28 02:42:06,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3899 states, 3309 states have (on average 1.3363553943789666) internal successors, (4422), 3322 states have internal predecessors, (4422), 487 states have call successors, (487), 102 states have call predecessors, (487), 102 states have return successors, (487), 474 states have call predecessors, (487), 487 states have call successors, (487) [2024-11-28 02:42:06,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3899 states to 3899 states and 5396 transitions. [2024-11-28 02:42:06,523 INFO L78 Accepts]: Start accepts. Automaton has 3899 states and 5396 transitions. Word has length 213 [2024-11-28 02:42:06,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:42:06,523 INFO L471 AbstractCegarLoop]: Abstraction has 3899 states and 5396 transitions. [2024-11-28 02:42:06,523 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-28 02:42:06,524 INFO L276 IsEmpty]: Start isEmpty. Operand 3899 states and 5396 transitions. [2024-11-28 02:42:06,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-11-28 02:42:06,525 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:42:06,525 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:42:06,525 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-28 02:42:06,526 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:42:06,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:42:06,526 INFO L85 PathProgramCache]: Analyzing trace with hash 259105858, now seen corresponding path program 1 times [2024-11-28 02:42:06,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:42:06,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610570940] [2024-11-28 02:42:06,526 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:42:06,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:42:06,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:42:08,706 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-28 02:42:08,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:42:08,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610570940] [2024-11-28 02:42:08,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610570940] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:42:08,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:42:08,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-28 02:42:08,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995727937] [2024-11-28 02:42:08,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:42:08,708 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 02:42:08,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:42:08,709 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 02:42:08,709 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2024-11-28 02:42:08,709 INFO L87 Difference]: Start difference. First operand 3899 states and 5396 transitions. Second operand has 11 states, 11 states have (on average 5.545454545454546) internal successors, (61), 11 states have internal predecessors, (61), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-28 02:42:10,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:42:10,457 INFO L93 Difference]: Finished difference Result 9803 states and 13422 transitions. [2024-11-28 02:42:10,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-28 02:42:10,458 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.545454545454546) internal successors, (61), 11 states have internal predecessors, (61), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 213 [2024-11-28 02:42:10,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:42:10,472 INFO L225 Difference]: With dead ends: 9803 [2024-11-28 02:42:10,472 INFO L226 Difference]: Without dead ends: 5981 [2024-11-28 02:42:10,478 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2024-11-28 02:42:10,479 INFO L435 NwaCegarLoop]: 189 mSDtfsCounter, 284 mSDsluCounter, 514 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 SdHoareTripleChecker+Valid, 703 SdHoareTripleChecker+Invalid, 536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:42:10,480 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [284 Valid, 703 Invalid, 536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-28 02:42:10,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5981 states. [2024-11-28 02:42:11,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5981 to 3618. [2024-11-28 02:42:11,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3618 states, 3028 states have (on average 1.3249669749009247) internal successors, (4012), 3041 states have internal predecessors, (4012), 487 states have call successors, (487), 102 states have call predecessors, (487), 102 states have return successors, (487), 474 states have call predecessors, (487), 487 states have call successors, (487) [2024-11-28 02:42:11,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3618 states to 3618 states and 4986 transitions. [2024-11-28 02:42:11,259 INFO L78 Accepts]: Start accepts. Automaton has 3618 states and 4986 transitions. Word has length 213 [2024-11-28 02:42:11,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:42:11,259 INFO L471 AbstractCegarLoop]: Abstraction has 3618 states and 4986 transitions. [2024-11-28 02:42:11,260 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.545454545454546) internal successors, (61), 11 states have internal predecessors, (61), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-28 02:42:11,260 INFO L276 IsEmpty]: Start isEmpty. Operand 3618 states and 4986 transitions. [2024-11-28 02:42:11,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-11-28 02:42:11,261 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:42:11,261 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:42:11,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-28 02:42:11,262 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:42:11,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:42:11,262 INFO L85 PathProgramCache]: Analyzing trace with hash 1775796397, now seen corresponding path program 1 times [2024-11-28 02:42:11,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:42:11,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048085687] [2024-11-28 02:42:11,263 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:42:11,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:42:11,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:42:13,487 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 48 proven. 126 refuted. 0 times theorem prover too weak. 1686 trivial. 0 not checked. [2024-11-28 02:42:13,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:42:13,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048085687] [2024-11-28 02:42:13,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048085687] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:42:13,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1325957904] [2024-11-28 02:42:13,487 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:42:13,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:42:13,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5288d8-9b15-498c-881c-1ece3756c334/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:42:13,494 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5288d8-9b15-498c-881c-1ece3756c334/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:42:13,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5288d8-9b15-498c-881c-1ece3756c334/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 02:42:13,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:42:13,734 INFO L256 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-28 02:42:13,746 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:42:16,623 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 670 proven. 321 refuted. 0 times theorem prover too weak. 869 trivial. 0 not checked. [2024-11-28 02:42:16,623 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:42:19,384 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 48 proven. 129 refuted. 0 times theorem prover too weak. 1683 trivial. 0 not checked. [2024-11-28 02:42:19,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1325957904] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:42:19,384 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 02:42:19,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 21, 12] total 39 [2024-11-28 02:42:19,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524081936] [2024-11-28 02:42:19,385 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 02:42:19,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2024-11-28 02:42:19,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:42:19,386 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2024-11-28 02:42:19,387 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=230, Invalid=1252, Unknown=0, NotChecked=0, Total=1482 [2024-11-28 02:42:19,387 INFO L87 Difference]: Start difference. First operand 3618 states and 4986 transitions. Second operand has 39 states, 37 states have (on average 4.405405405405405) internal successors, (163), 35 states have internal predecessors, (163), 10 states have call successors, (79), 6 states have call predecessors, (79), 10 states have return successors, (81), 10 states have call predecessors, (81), 10 states have call successors, (81) [2024-11-28 02:42:29,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:42:29,985 INFO L93 Difference]: Finished difference Result 7049 states and 9578 transitions. [2024-11-28 02:42:29,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-11-28 02:42:29,986 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 37 states have (on average 4.405405405405405) internal successors, (163), 35 states have internal predecessors, (163), 10 states have call successors, (79), 6 states have call predecessors, (79), 10 states have return successors, (81), 10 states have call predecessors, (81), 10 states have call successors, (81) Word has length 214 [2024-11-28 02:42:29,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:42:29,998 INFO L225 Difference]: With dead ends: 7049 [2024-11-28 02:42:29,998 INFO L226 Difference]: Without dead ends: 6063 [2024-11-28 02:42:30,004 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 532 GetRequests, 414 SyntacticMatches, 1 SemanticMatches, 117 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3816 ImplicationChecksByTransitivity, 7.3s TimeCoverageRelationStatistics Valid=2808, Invalid=11234, Unknown=0, NotChecked=0, Total=14042 [2024-11-28 02:42:30,004 INFO L435 NwaCegarLoop]: 241 mSDtfsCounter, 1771 mSDsluCounter, 2172 mSDsCounter, 0 mSdLazyCounter, 3922 mSolverCounterSat, 428 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1780 SdHoareTripleChecker+Valid, 2413 SdHoareTripleChecker+Invalid, 4350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 428 IncrementalHoareTripleChecker+Valid, 3922 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2024-11-28 02:42:30,005 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1780 Valid, 2413 Invalid, 4350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [428 Valid, 3922 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2024-11-28 02:42:30,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6063 states. [2024-11-28 02:42:30,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6063 to 2776. [2024-11-28 02:42:30,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2776 states, 2267 states have (on average 1.305690339655933) internal successors, (2960), 2268 states have internal predecessors, (2960), 403 states have call successors, (403), 105 states have call predecessors, (403), 105 states have return successors, (403), 402 states have call predecessors, (403), 403 states have call successors, (403) [2024-11-28 02:42:30,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2776 states to 2776 states and 3766 transitions. [2024-11-28 02:42:30,738 INFO L78 Accepts]: Start accepts. Automaton has 2776 states and 3766 transitions. Word has length 214 [2024-11-28 02:42:30,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:42:30,739 INFO L471 AbstractCegarLoop]: Abstraction has 2776 states and 3766 transitions. [2024-11-28 02:42:30,739 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 37 states have (on average 4.405405405405405) internal successors, (163), 35 states have internal predecessors, (163), 10 states have call successors, (79), 6 states have call predecessors, (79), 10 states have return successors, (81), 10 states have call predecessors, (81), 10 states have call successors, (81) [2024-11-28 02:42:30,739 INFO L276 IsEmpty]: Start isEmpty. Operand 2776 states and 3766 transitions. [2024-11-28 02:42:30,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-11-28 02:42:30,740 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:42:30,741 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:42:30,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5288d8-9b15-498c-881c-1ece3756c334/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-28 02:42:30,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5288d8-9b15-498c-881c-1ece3756c334/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-28 02:42:30,944 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:42:30,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:42:30,945 INFO L85 PathProgramCache]: Analyzing trace with hash 86852655, now seen corresponding path program 1 times [2024-11-28 02:42:30,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:42:30,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092119334] [2024-11-28 02:42:30,945 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:42:30,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:42:31,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 02:42:31,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1571467342] [2024-11-28 02:42:31,127 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:42:31,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:42:31,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5288d8-9b15-498c-881c-1ece3756c334/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:42:31,129 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5288d8-9b15-498c-881c-1ece3756c334/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:42:31,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5288d8-9b15-498c-881c-1ece3756c334/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 02:42:31,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:42:31,328 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:42:31,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:42:31,626 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 02:42:31,626 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 02:42:31,627 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 02:42:31,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5288d8-9b15-498c-881c-1ece3756c334/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-28 02:42:31,836 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5288d8-9b15-498c-881c-1ece3756c334/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-28 02:42:31,845 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:42:32,114 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 02:42:32,122 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:42:32 BoogieIcfgContainer [2024-11-28 02:42:32,122 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 02:42:32,123 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 02:42:32,123 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 02:42:32,123 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 02:42:32,124 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:40:12" (3/4) ... [2024-11-28 02:42:32,127 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 02:42:32,128 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 02:42:32,129 INFO L158 Benchmark]: Toolchain (without parser) took 140982.76ms. Allocated memory was 142.6MB in the beginning and 1.1GB in the end (delta: 922.7MB). Free memory was 118.7MB in the beginning and 884.6MB in the end (delta: -766.0MB). Peak memory consumption was 155.1MB. Max. memory is 16.1GB. [2024-11-28 02:42:32,129 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 78.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:42:32,130 INFO L158 Benchmark]: CACSL2BoogieTranslator took 505.15ms. Allocated memory is still 142.6MB. Free memory was 118.7MB in the beginning and 101.8MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 02:42:32,130 INFO L158 Benchmark]: Boogie Procedure Inliner took 109.73ms. Allocated memory is still 142.6MB. Free memory was 101.5MB in the beginning and 96.2MB in the end (delta: 5.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:42:32,130 INFO L158 Benchmark]: Boogie Preprocessor took 112.36ms. Allocated memory is still 142.6MB. Free memory was 96.2MB in the beginning and 87.5MB in the end (delta: 8.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 02:42:32,130 INFO L158 Benchmark]: RCFGBuilder took 889.73ms. Allocated memory is still 142.6MB. Free memory was 87.5MB in the beginning and 102.8MB in the end (delta: -15.3MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. [2024-11-28 02:42:32,131 INFO L158 Benchmark]: TraceAbstraction took 139352.67ms. Allocated memory was 142.6MB in the beginning and 1.1GB in the end (delta: 922.7MB). Free memory was 102.2MB in the beginning and 884.8MB in the end (delta: -782.6MB). Peak memory consumption was 140.6MB. Max. memory is 16.1GB. [2024-11-28 02:42:32,131 INFO L158 Benchmark]: Witness Printer took 5.56ms. Allocated memory is still 1.1GB. Free memory was 884.8MB in the beginning and 884.6MB in the end (delta: 144.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:42:32,132 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 78.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 505.15ms. Allocated memory is still 142.6MB. Free memory was 118.7MB in the beginning and 101.8MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 109.73ms. Allocated memory is still 142.6MB. Free memory was 101.5MB in the beginning and 96.2MB in the end (delta: 5.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 112.36ms. Allocated memory is still 142.6MB. Free memory was 96.2MB in the beginning and 87.5MB in the end (delta: 8.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 889.73ms. Allocated memory is still 142.6MB. Free memory was 87.5MB in the beginning and 102.8MB in the end (delta: -15.3MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. * TraceAbstraction took 139352.67ms. Allocated memory was 142.6MB in the beginning and 1.1GB in the end (delta: 922.7MB). Free memory was 102.2MB in the beginning and 884.8MB in the end (delta: -782.6MB). Peak memory consumption was 140.6MB. Max. memory is 16.1GB. * Witness Printer took 5.56ms. Allocated memory is still 1.1GB. Free memory was 884.8MB in the beginning and 884.6MB in the end (delta: 144.3kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 106, overapproximation of someBinaryFLOATComparisonOperation at line 164, overapproximation of someBinaryFLOATComparisonOperation at line 199, overapproximation of someBinaryFLOATComparisonOperation at line 166, overapproximation of someBinaryFLOATComparisonOperation at line 168, overapproximation of someBinaryFLOATComparisonOperation at line 199, overapproximation of bitwiseOr at line 73, overapproximation of bitwiseOr at line 199, overapproximation of someBinaryDOUBLEComparisonOperation at line 199, overapproximation of someUnaryFLOAToperation at line 106. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 4; [L23] unsigned char var_1_2 = 0; [L24] unsigned char var_1_3 = 1; [L25] unsigned char var_1_5 = 100; [L26] unsigned char var_1_6 = 1; [L27] unsigned short int var_1_7 = 0; [L28] unsigned short int var_1_8 = 21062; [L29] signed long int var_1_9 = -4; [L30] unsigned long int var_1_10 = 256; [L31] unsigned long int var_1_11 = 2706779013; [L32] float var_1_13 = 25.1; [L33] float var_1_15 = 9.25; [L34] float var_1_16 = 0.8; [L35] float var_1_17 = 9.75; [L36] signed long int var_1_18 = 10; [L37] signed long int var_1_19 = 2050467977; [L38] unsigned short int var_1_20 = 1; [L39] unsigned short int var_1_21 = 63087; [L40] unsigned char var_1_22 = 1; [L41] double var_1_23 = 25.3; [L42] double var_1_24 = 999.1; [L43] unsigned char var_1_25 = 5; [L44] unsigned char var_1_26 = 200; [L45] unsigned char var_1_27 = 32; [L46] unsigned char var_1_28 = 4; [L47] unsigned char var_1_29 = 100; [L48] unsigned char var_1_30 = 2; [L49] unsigned char var_1_31 = 0; [L50] unsigned char var_1_32 = 5; [L51] float var_1_33 = 0.8; [L52] unsigned short int last_1_var_1_20 = 1; [L53] unsigned char last_1_var_1_22 = 1; VAL [isInitial=0, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2706779013, var_1_13=251/10, var_1_15=37/4, var_1_16=4/5, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=100, var_1_6=1, var_1_7=0, var_1_8=21062, var_1_9=-4] [L203] isInitial = 1 [L204] FCALL initially() [L205] int k_loop; [L206] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2706779013, var_1_13=251/10, var_1_15=37/4, var_1_16=4/5, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=100, var_1_6=1, var_1_7=0, var_1_8=21062, var_1_9=-4] [L206] COND TRUE k_loop < 1 VAL [isInitial=1, k_loop=0, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2706779013, var_1_13=251/10, var_1_15=37/4, var_1_16=4/5, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=100, var_1_6=1, var_1_7=0, var_1_8=21062, var_1_9=-4] [L207] CALL updateLastVariables() [L195] last_1_var_1_20 = var_1_20 [L196] last_1_var_1_22 = var_1_22 VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2706779013, var_1_13=251/10, var_1_15=37/4, var_1_16=4/5, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=100, var_1_6=1, var_1_7=0, var_1_8=21062, var_1_9=-4] [L207] RET updateLastVariables() [L208] CALL updateVariables() [L145] var_1_2 = __VERIFIER_nondet_uchar() [L146] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2706779013, var_1_13=251/10, var_1_15=37/4, var_1_16=4/5, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=100, var_1_6=1, var_1_7=0, var_1_8=21062, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2706779013, var_1_13=251/10, var_1_15=37/4, var_1_16=4/5, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=100, var_1_6=1, var_1_7=0, var_1_8=21062, var_1_9=-4] [L146] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2706779013, var_1_13=251/10, var_1_15=37/4, var_1_16=4/5, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=100, var_1_6=1, var_1_7=0, var_1_8=21062, var_1_9=-4] [L147] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2706779013, var_1_13=251/10, var_1_15=37/4, var_1_16=4/5, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=100, var_1_6=1, var_1_7=0, var_1_8=21062, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2706779013, var_1_13=251/10, var_1_15=37/4, var_1_16=4/5, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=100, var_1_6=1, var_1_7=0, var_1_8=21062, var_1_9=-4] [L147] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2706779013, var_1_13=251/10, var_1_15=37/4, var_1_16=4/5, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=100, var_1_6=1, var_1_7=0, var_1_8=21062, var_1_9=-4] [L148] var_1_3 = __VERIFIER_nondet_uchar() [L149] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2706779013, var_1_13=251/10, var_1_15=37/4, var_1_16=4/5, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_5=100, var_1_6=1, var_1_7=0, var_1_8=21062, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2706779013, var_1_13=251/10, var_1_15=37/4, var_1_16=4/5, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_5=100, var_1_6=1, var_1_7=0, var_1_8=21062, var_1_9=-4] [L149] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2706779013, var_1_13=251/10, var_1_15=37/4, var_1_16=4/5, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_5=100, var_1_6=1, var_1_7=0, var_1_8=21062, var_1_9=-4] [L150] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2706779013, var_1_13=251/10, var_1_15=37/4, var_1_16=4/5, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=100, var_1_6=1, var_1_7=0, var_1_8=21062, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2706779013, var_1_13=251/10, var_1_15=37/4, var_1_16=4/5, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=100, var_1_6=1, var_1_7=0, var_1_8=21062, var_1_9=-4] [L150] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2706779013, var_1_13=251/10, var_1_15=37/4, var_1_16=4/5, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=100, var_1_6=1, var_1_7=0, var_1_8=21062, var_1_9=-4] [L151] var_1_5 = __VERIFIER_nondet_uchar() [L152] CALL assume_abort_if_not(var_1_5 >= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2706779013, var_1_13=251/10, var_1_15=37/4, var_1_16=4/5, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=1, var_1_7=0, var_1_8=21062, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2706779013, var_1_13=251/10, var_1_15=37/4, var_1_16=4/5, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=1, var_1_7=0, var_1_8=21062, var_1_9=-4] [L152] RET assume_abort_if_not(var_1_5 >= 64) VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2706779013, var_1_13=251/10, var_1_15=37/4, var_1_16=4/5, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=1, var_1_7=0, var_1_8=21062, var_1_9=-4] [L153] CALL assume_abort_if_not(var_1_5 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2706779013, var_1_13=251/10, var_1_15=37/4, var_1_16=4/5, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=1, var_1_7=0, var_1_8=21062, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2706779013, var_1_13=251/10, var_1_15=37/4, var_1_16=4/5, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=1, var_1_7=0, var_1_8=21062, var_1_9=-4] [L153] RET assume_abort_if_not(var_1_5 <= 127) VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2706779013, var_1_13=251/10, var_1_15=37/4, var_1_16=4/5, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=1, var_1_7=0, var_1_8=21062, var_1_9=-4] [L154] var_1_6 = __VERIFIER_nondet_uchar() [L155] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2706779013, var_1_13=251/10, var_1_15=37/4, var_1_16=4/5, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_7=0, var_1_8=21062, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2706779013, var_1_13=251/10, var_1_15=37/4, var_1_16=4/5, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_7=0, var_1_8=21062, var_1_9=-4] [L155] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2706779013, var_1_13=251/10, var_1_15=37/4, var_1_16=4/5, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_7=0, var_1_8=21062, var_1_9=-4] [L156] CALL assume_abort_if_not(var_1_6 <= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2706779013, var_1_13=251/10, var_1_15=37/4, var_1_16=4/5, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=21062, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2706779013, var_1_13=251/10, var_1_15=37/4, var_1_16=4/5, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=21062, var_1_9=-4] [L156] RET assume_abort_if_not(var_1_6 <= 64) VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2706779013, var_1_13=251/10, var_1_15=37/4, var_1_16=4/5, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=21062, var_1_9=-4] [L157] var_1_8 = __VERIFIER_nondet_ushort() [L158] CALL assume_abort_if_not(var_1_8 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2706779013, var_1_13=251/10, var_1_15=37/4, var_1_16=4/5, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2706779013, var_1_13=251/10, var_1_15=37/4, var_1_16=4/5, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L158] RET assume_abort_if_not(var_1_8 >= 16383) VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2706779013, var_1_13=251/10, var_1_15=37/4, var_1_16=4/5, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L159] CALL assume_abort_if_not(var_1_8 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2706779013, var_1_13=251/10, var_1_15=37/4, var_1_16=4/5, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2706779013, var_1_13=251/10, var_1_15=37/4, var_1_16=4/5, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L159] RET assume_abort_if_not(var_1_8 <= 32767) VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=2706779013, var_1_13=251/10, var_1_15=37/4, var_1_16=4/5, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L160] var_1_11 = __VERIFIER_nondet_ulong() [L161] CALL assume_abort_if_not(var_1_11 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=6442450943, var_1_13=251/10, var_1_15=37/4, var_1_16=4/5, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=6442450943, var_1_13=251/10, var_1_15=37/4, var_1_16=4/5, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L161] RET assume_abort_if_not(var_1_11 >= 2147483647) VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=6442450943, var_1_13=251/10, var_1_15=37/4, var_1_16=4/5, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L162] CALL assume_abort_if_not(var_1_11 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=6442450943, var_1_13=251/10, var_1_15=37/4, var_1_16=4/5, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=6442450943, var_1_13=251/10, var_1_15=37/4, var_1_16=4/5, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L162] RET assume_abort_if_not(var_1_11 <= 4294967294) VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=6442450943, var_1_13=251/10, var_1_15=37/4, var_1_16=4/5, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L163] var_1_15 = __VERIFIER_nondet_float() [L164] CALL assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=6442450943, var_1_13=251/10, var_1_16=4/5, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=6442450943, var_1_13=251/10, var_1_16=4/5, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L164] RET assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=6442450943, var_1_13=251/10, var_1_16=4/5, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L165] var_1_16 = __VERIFIER_nondet_float() [L166] CALL assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=6442450943, var_1_13=251/10, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=6442450943, var_1_13=251/10, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L166] RET assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=6442450943, var_1_13=251/10, var_1_17=39/4, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L167] var_1_17 = __VERIFIER_nondet_float() [L168] CALL assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=6442450943, var_1_13=251/10, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=6442450943, var_1_13=251/10, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L168] RET assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=6442450943, var_1_13=251/10, var_1_18=10, var_1_19=2050467977, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L169] var_1_19 = __VERIFIER_nondet_long() [L170] CALL assume_abort_if_not(var_1_19 >= 1610612734) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=6442450943, var_1_13=251/10, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=6442450943, var_1_13=251/10, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L170] RET assume_abort_if_not(var_1_19 >= 1610612734) VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=6442450943, var_1_13=251/10, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L171] CALL assume_abort_if_not(var_1_19 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=6442450943, var_1_13=251/10, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=6442450943, var_1_13=251/10, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L171] RET assume_abort_if_not(var_1_19 <= 2147483646) VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=6442450943, var_1_13=251/10, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=63087, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L172] var_1_21 = __VERIFIER_nondet_ushort() [L173] CALL assume_abort_if_not(var_1_21 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=6442450943, var_1_13=251/10, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=32767, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=6442450943, var_1_13=251/10, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=32767, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L173] RET assume_abort_if_not(var_1_21 >= 32767) VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=6442450943, var_1_13=251/10, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=32767, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L174] CALL assume_abort_if_not(var_1_21 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=6442450943, var_1_13=251/10, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=32767, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=6442450943, var_1_13=251/10, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=32767, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L174] RET assume_abort_if_not(var_1_21 <= 65534) VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=6442450943, var_1_13=251/10, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=32767, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=200, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L175] var_1_26 = __VERIFIER_nondet_uchar() [L176] CALL assume_abort_if_not(var_1_26 >= 190) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=6442450943, var_1_13=251/10, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=32767, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=190, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=6442450943, var_1_13=251/10, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=32767, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=190, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L176] RET assume_abort_if_not(var_1_26 >= 190) VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=6442450943, var_1_13=251/10, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=32767, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=190, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L177] CALL assume_abort_if_not(var_1_26 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=6442450943, var_1_13=251/10, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=32767, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=190, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=6442450943, var_1_13=251/10, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=32767, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=190, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L177] RET assume_abort_if_not(var_1_26 <= 254) VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=6442450943, var_1_13=251/10, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=32767, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=190, var_1_27=32, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L178] var_1_27 = __VERIFIER_nondet_uchar() [L179] CALL assume_abort_if_not(var_1_27 >= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=6442450943, var_1_13=251/10, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=32767, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=190, var_1_27=31, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=6442450943, var_1_13=251/10, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=32767, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=190, var_1_27=31, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L179] RET assume_abort_if_not(var_1_27 >= 31) VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=6442450943, var_1_13=251/10, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=32767, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=190, var_1_27=31, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L180] CALL assume_abort_if_not(var_1_27 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=6442450943, var_1_13=251/10, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=32767, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=190, var_1_27=31, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=6442450943, var_1_13=251/10, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=32767, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=190, var_1_27=31, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L180] RET assume_abort_if_not(var_1_27 <= 63) VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=6442450943, var_1_13=251/10, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=32767, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=190, var_1_27=31, var_1_28=4, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L181] var_1_28 = __VERIFIER_nondet_uchar() [L182] CALL assume_abort_if_not(var_1_28 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=6442450943, var_1_13=251/10, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=32767, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=190, var_1_27=31, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=6442450943, var_1_13=251/10, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=32767, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=190, var_1_27=31, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L182] RET assume_abort_if_not(var_1_28 >= 0) VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=6442450943, var_1_13=251/10, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=32767, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=190, var_1_27=31, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L183] CALL assume_abort_if_not(var_1_28 <= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=6442450943, var_1_13=251/10, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=32767, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=6442450943, var_1_13=251/10, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=32767, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L183] RET assume_abort_if_not(var_1_28 <= 31) VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=6442450943, var_1_13=251/10, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=32767, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=100, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L184] var_1_29 = __VERIFIER_nondet_uchar() [L185] CALL assume_abort_if_not(var_1_29 >= 95) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=6442450943, var_1_13=251/10, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=32767, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=6442450943, var_1_13=251/10, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=32767, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L185] RET assume_abort_if_not(var_1_29 >= 95) VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=6442450943, var_1_13=251/10, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=32767, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L186] CALL assume_abort_if_not(var_1_29 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=6442450943, var_1_13=251/10, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=32767, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=6442450943, var_1_13=251/10, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=32767, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L186] RET assume_abort_if_not(var_1_29 <= 127) VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=6442450943, var_1_13=251/10, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=32767, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=2, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L187] var_1_30 = __VERIFIER_nondet_uchar() [L188] CALL assume_abort_if_not(var_1_30 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=6442450943, var_1_13=251/10, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=32767, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=6442450943, var_1_13=251/10, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=32767, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L188] RET assume_abort_if_not(var_1_30 >= 0) VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=6442450943, var_1_13=251/10, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=32767, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L189] CALL assume_abort_if_not(var_1_30 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=6442450943, var_1_13=251/10, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=32767, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=0, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=6442450943, var_1_13=251/10, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=32767, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=0, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L189] RET assume_abort_if_not(var_1_30 <= 32) VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=6442450943, var_1_13=251/10, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=32767, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=0, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L190] var_1_31 = __VERIFIER_nondet_uchar() [L191] CALL assume_abort_if_not(var_1_31 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=6442450943, var_1_13=251/10, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=32767, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=6442450943, var_1_13=251/10, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=32767, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L191] RET assume_abort_if_not(var_1_31 >= 0) VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=6442450943, var_1_13=251/10, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=32767, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L192] CALL assume_abort_if_not(var_1_31 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=6442450943, var_1_13=251/10, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=32767, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=0, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=6442450943, var_1_13=251/10, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=32767, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=0, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L192] RET assume_abort_if_not(var_1_31 <= 63) VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=256, var_1_11=6442450943, var_1_13=251/10, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=32767, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=0, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L208] RET updateVariables() [L209] CALL step() [L57] unsigned char stepLocal_10 = last_1_var_1_22; [L58] signed long int stepLocal_9 = last_1_var_1_20; VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, stepLocal_10=1, stepLocal_9=1, var_1_10=256, var_1_11=6442450943, var_1_13=251/10, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=32767, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=0, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L59] COND TRUE last_1_var_1_22 || stepLocal_10 VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, stepLocal_9=1, var_1_10=256, var_1_11=6442450943, var_1_13=251/10, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=32767, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=5, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=0, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L60] COND TRUE \read(last_1_var_1_22) [L61] var_1_25 = var_1_5 VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, stepLocal_9=1, var_1_10=256, var_1_11=6442450943, var_1_13=251/10, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=32767, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=64, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=0, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L72] var_1_10 = (var_1_11 - last_1_var_1_20) VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, stepLocal_9=1, var_1_10=6442450942, var_1_11=6442450943, var_1_13=251/10, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=32767, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=64, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=0, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L73] EXPR var_1_10 ^ var_1_25 VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, stepLocal_9=1, var_1_10=6442450942, var_1_11=6442450943, var_1_13=251/10, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=32767, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=64, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=0, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L73] unsigned long int stepLocal_4 = var_1_10 ^ var_1_25; [L74] COND FALSE !(var_1_6 >= stepLocal_4) VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, stepLocal_9=1, var_1_10=6442450942, var_1_11=6442450943, var_1_13=251/10, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=32767, var_1_22=1, var_1_23=253/10, var_1_24=9991/10, var_1_25=64, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=0, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L77] COND TRUE ! (var_1_2 && var_1_3) [L78] var_1_22 = ((var_1_21 > var_1_11) && (! 1)) VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, stepLocal_9=1, var_1_10=6442450942, var_1_11=6442450943, var_1_13=251/10, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=32767, var_1_22=0, var_1_23=253/10, var_1_24=9991/10, var_1_25=64, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=0, var_1_31=0, var_1_32=5, var_1_33=4/5, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L80] var_1_32 = var_1_5 [L81] var_1_33 = var_1_15 [L82] unsigned char stepLocal_1 = var_1_22; [L83] unsigned char stepLocal_0 = var_1_25; VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, stepLocal_0=64, stepLocal_1=0, stepLocal_9=1, var_1_10=6442450942, var_1_11=6442450943, var_1_13=251/10, var_1_15=2, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=32767, var_1_22=0, var_1_23=253/10, var_1_24=9991/10, var_1_25=64, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=0, var_1_31=0, var_1_32=64, var_1_33=2, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L84] COND FALSE !(var_1_22 || stepLocal_1) VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, stepLocal_0=64, stepLocal_9=1, var_1_10=6442450942, var_1_11=6442450943, var_1_13=251/10, var_1_15=2, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=32767, var_1_22=0, var_1_23=253/10, var_1_24=9991/10, var_1_25=64, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=0, var_1_31=0, var_1_32=64, var_1_33=2, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L89] unsigned long int stepLocal_3 = var_1_10; VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, stepLocal_0=64, stepLocal_3=6442450942, stepLocal_9=1, var_1_10=6442450942, var_1_11=6442450943, var_1_13=251/10, var_1_15=2, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=32767, var_1_22=0, var_1_23=253/10, var_1_24=9991/10, var_1_25=64, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=0, var_1_31=0, var_1_32=64, var_1_33=2, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=-4] [L90] COND TRUE var_1_25 <= stepLocal_3 [L91] var_1_9 = var_1_25 VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, stepLocal_0=64, stepLocal_9=1, var_1_10=6442450942, var_1_11=6442450943, var_1_13=251/10, var_1_15=2, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=32767, var_1_22=0, var_1_23=253/10, var_1_24=9991/10, var_1_25=64, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=0, var_1_31=0, var_1_32=64, var_1_33=2, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=64] [L93] unsigned long int stepLocal_5 = (3451179663u - var_1_6) * var_1_8; VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, stepLocal_0=64, stepLocal_5=56540676418929, stepLocal_9=1, var_1_10=6442450942, var_1_11=6442450943, var_1_13=251/10, var_1_15=2, var_1_18=10, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=32767, var_1_22=0, var_1_23=253/10, var_1_24=9991/10, var_1_25=64, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=0, var_1_31=0, var_1_32=64, var_1_33=2, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=64] [L94] COND FALSE !(\read(var_1_22)) [L99] var_1_18 = ((((var_1_8) > (((((var_1_25) < 0 ) ? -(var_1_25) : (var_1_25))))) ? (var_1_8) : (((((var_1_25) < 0 ) ? -(var_1_25) : (var_1_25)))))) VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, stepLocal_0=64, stepLocal_5=56540676418929, stepLocal_9=1, var_1_10=6442450942, var_1_11=6442450943, var_1_13=251/10, var_1_15=2, var_1_18=16383, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=32767, var_1_22=0, var_1_23=253/10, var_1_24=9991/10, var_1_25=64, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=0, var_1_31=0, var_1_32=64, var_1_33=2, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=64] [L101] signed long int stepLocal_2 = var_1_18; VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, stepLocal_0=64, stepLocal_2=16383, stepLocal_5=56540676418929, stepLocal_9=1, var_1_10=6442450942, var_1_11=6442450943, var_1_13=251/10, var_1_15=2, var_1_18=16383, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=32767, var_1_22=0, var_1_23=253/10, var_1_24=9991/10, var_1_25=64, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=0, var_1_31=0, var_1_32=64, var_1_33=2, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=64] [L102] COND FALSE !((var_1_6 / var_1_5) > stepLocal_2) VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, stepLocal_0=64, stepLocal_5=56540676418929, stepLocal_9=1, var_1_10=6442450942, var_1_11=6442450943, var_1_13=251/10, var_1_15=2, var_1_18=16383, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=32767, var_1_22=0, var_1_23=253/10, var_1_24=9991/10, var_1_25=64, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=0, var_1_31=0, var_1_32=64, var_1_33=2, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=64] [L105] COND TRUE ((((var_1_25) < 0 ) ? -(var_1_25) : (var_1_25))) >= var_1_6 [L106] var_1_23 = ((((((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17)))) < (var_1_16)) ? (((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17)))) : (var_1_16))) VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, stepLocal_0=64, stepLocal_5=56540676418929, stepLocal_9=1, var_1_10=6442450942, var_1_11=6442450943, var_1_13=251/10, var_1_15=2, var_1_16=4, var_1_17=0, var_1_18=16383, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=32767, var_1_22=0, var_1_23=3, var_1_24=9991/10, var_1_25=64, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=0, var_1_31=0, var_1_32=64, var_1_33=2, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=64] [L114] signed long int stepLocal_7 = 4; [L115] unsigned long int stepLocal_6 = var_1_10; VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, stepLocal_0=64, stepLocal_5=56540676418929, stepLocal_6=6442450942, stepLocal_7=4, stepLocal_9=1, var_1_10=6442450942, var_1_11=6442450943, var_1_13=251/10, var_1_15=2, var_1_16=4, var_1_17=0, var_1_18=16383, var_1_19=1610612734, var_1_1=4, var_1_20=1, var_1_21=32767, var_1_22=0, var_1_23=3, var_1_24=9991/10, var_1_25=64, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=0, var_1_31=0, var_1_32=64, var_1_33=2, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=64] [L116] COND TRUE var_1_7 < stepLocal_6 [L117] var_1_20 = ((var_1_5 + ((((var_1_7) > (var_1_6)) ? (var_1_7) : (var_1_6)))) + 16) VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, stepLocal_0=64, stepLocal_5=56540676418929, stepLocal_7=4, stepLocal_9=1, var_1_10=6442450942, var_1_11=6442450943, var_1_13=251/10, var_1_15=2, var_1_16=4, var_1_17=0, var_1_18=16383, var_1_19=1610612734, var_1_1=4, var_1_20=80, var_1_21=32767, var_1_22=0, var_1_23=3, var_1_24=9991/10, var_1_25=64, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=0, var_1_31=0, var_1_32=64, var_1_33=2, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=64] [L129] unsigned short int stepLocal_8 = var_1_20; VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, stepLocal_0=64, stepLocal_5=56540676418929, stepLocal_7=4, stepLocal_8=80, stepLocal_9=1, var_1_10=6442450942, var_1_11=6442450943, var_1_13=251/10, var_1_15=2, var_1_16=4, var_1_17=0, var_1_18=16383, var_1_19=1610612734, var_1_1=4, var_1_20=80, var_1_21=32767, var_1_22=0, var_1_23=3, var_1_24=9991/10, var_1_25=64, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=0, var_1_31=0, var_1_32=64, var_1_33=2, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=64] [L130] COND FALSE !(stepLocal_8 > var_1_18) [L141] var_1_24 = var_1_16 VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, stepLocal_0=64, stepLocal_5=56540676418929, stepLocal_7=4, stepLocal_9=1, var_1_10=6442450942, var_1_11=6442450943, var_1_13=251/10, var_1_15=2, var_1_16=4, var_1_17=0, var_1_18=16383, var_1_19=1610612734, var_1_1=4, var_1_20=80, var_1_21=32767, var_1_22=0, var_1_23=3, var_1_24=4, var_1_25=64, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=0, var_1_31=0, var_1_32=64, var_1_33=2, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=64] [L209] RET step() [L210] CALL, EXPR property() [L199] EXPR (((((var_1_22 || var_1_22) ? ((var_1_25 == ((64 + var_1_5) - (var_1_6 + 10))) ? (var_1_1 == ((signed short int) var_1_25)) : 1) : 1) && (((var_1_6 / var_1_5) > var_1_18) ? (var_1_7 == ((unsigned short int) ((var_1_8 - var_1_5) + var_1_6))) : 1)) && ((var_1_25 <= var_1_10) ? (var_1_9 == ((signed long int) var_1_25)) : 1)) && (var_1_10 == ((unsigned long int) (var_1_11 - last_1_var_1_20)))) && ((var_1_6 >= (var_1_10 ^ var_1_25)) ? (var_1_13 == ((float) ((((var_1_15) > ((var_1_16 - var_1_17))) ? (var_1_15) : ((var_1_16 - var_1_17)))))) : 1) VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=6442450942, var_1_11=6442450943, var_1_13=251/10, var_1_15=2, var_1_16=4, var_1_17=0, var_1_18=16383, var_1_19=1610612734, var_1_1=4, var_1_20=80, var_1_21=32767, var_1_22=0, var_1_23=3, var_1_24=4, var_1_25=64, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=0, var_1_31=0, var_1_32=64, var_1_33=2, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=64] [L199] EXPR var_1_10 ^ var_1_25 VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=6442450942, var_1_11=6442450943, var_1_13=251/10, var_1_15=2, var_1_16=4, var_1_17=0, var_1_18=16383, var_1_19=1610612734, var_1_1=4, var_1_20=80, var_1_21=32767, var_1_22=0, var_1_23=3, var_1_24=4, var_1_25=64, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=0, var_1_31=0, var_1_32=64, var_1_33=2, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=64] [L199] EXPR (((((var_1_22 || var_1_22) ? ((var_1_25 == ((64 + var_1_5) - (var_1_6 + 10))) ? (var_1_1 == ((signed short int) var_1_25)) : 1) : 1) && (((var_1_6 / var_1_5) > var_1_18) ? (var_1_7 == ((unsigned short int) ((var_1_8 - var_1_5) + var_1_6))) : 1)) && ((var_1_25 <= var_1_10) ? (var_1_9 == ((signed long int) var_1_25)) : 1)) && (var_1_10 == ((unsigned long int) (var_1_11 - last_1_var_1_20)))) && ((var_1_6 >= (var_1_10 ^ var_1_25)) ? (var_1_13 == ((float) ((((var_1_15) > ((var_1_16 - var_1_17))) ? (var_1_15) : ((var_1_16 - var_1_17)))))) : 1) VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=6442450942, var_1_11=6442450943, var_1_13=251/10, var_1_15=2, var_1_16=4, var_1_17=0, var_1_18=16383, var_1_19=1610612734, var_1_1=4, var_1_20=80, var_1_21=32767, var_1_22=0, var_1_23=3, var_1_24=4, var_1_25=64, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=0, var_1_31=0, var_1_32=64, var_1_33=2, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=64] [L199] EXPR (((((((((((var_1_22 || var_1_22) ? ((var_1_25 == ((64 + var_1_5) - (var_1_6 + 10))) ? (var_1_1 == ((signed short int) var_1_25)) : 1) : 1) && (((var_1_6 / var_1_5) > var_1_18) ? (var_1_7 == ((unsigned short int) ((var_1_8 - var_1_5) + var_1_6))) : 1)) && ((var_1_25 <= var_1_10) ? (var_1_9 == ((signed long int) var_1_25)) : 1)) && (var_1_10 == ((unsigned long int) (var_1_11 - last_1_var_1_20)))) && ((var_1_6 >= (var_1_10 ^ var_1_25)) ? (var_1_13 == ((float) ((((var_1_15) > ((var_1_16 - var_1_17))) ? (var_1_15) : ((var_1_16 - var_1_17)))))) : 1)) && (var_1_22 ? ((var_1_9 != ((3451179663u - var_1_6) * var_1_8)) ? (var_1_18 == ((signed long int) (var_1_25 - ((var_1_19 - var_1_10) - var_1_6)))) : 1) : (var_1_18 == ((signed long int) ((((var_1_8) > (((((var_1_25) < 0 ) ? -(var_1_25) : (var_1_25))))) ? (var_1_8) : (((((var_1_25) < 0 ) ? -(var_1_25) : (var_1_25)))))))))) && ((var_1_7 < var_1_10) ? (var_1_20 == ((unsigned short int) ((var_1_5 + ((((var_1_7) > (var_1_6)) ? (var_1_7) : (var_1_6)))) + 16))) : (var_1_22 ? ((4 >= var_1_32) ? (var_1_20 == ((unsigned short int) ((((var_1_21 - (var_1_8 - 16)) < 0 ) ? -(var_1_21 - (var_1_8 - 16)) : (var_1_21 - (var_1_8 - 16)))))) : (var_1_20 == ((unsigned short int) var_1_8))) : (var_1_20 == ((unsigned short int) var_1_6))))) && ((! (var_1_2 && var_1_3)) ? (var_1_22 == ((unsigned char) ((var_1_21 > var_1_11) && (! 1)))) : 1)) && ((((((var_1_25) < 0 ) ? -(var_1_25) : (var_1_25))) >= var_1_6) ? (var_1_23 == ((double) ((((((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17)))) < (var_1_16)) ? (((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17)))) : (var_1_16))))) : ((var_1_5 <= var_1_7) ? (var_1_23 == ((double) var_1_15)) : (var_1_23 == ((double) var_1_17))))) && ((var_1_20 > var_1_18) ? ((! var_1_22) ? (var_1_24 == ((double) (((((var_1_17 - var_1_16)) > (var_1_15)) ? ((var_1_17 - var_1_16)) : (var_1_15))))) : ((! (var_1_9 <= var_1_20)) ? (var_1_24 == ((double) 9.8)) : (var_1_24 == ((double) var_1_15)))) : (var_1_24 == ((double) var_1_16)))) && ((last_1_var_1_22 || last_1_var_1_22) ? (last_1_var_1_22 ? (var_1_25 == ((unsigned char) var_1_5)) : ((last_1_var_1_20 < (1u * (100u >> var_1_6))) ? (var_1_25 == ((unsigned char) var_1_6)) : (var_1_25 == ((unsigned char) var_1_5)))) : (var_1_25 == ((unsigned char) ((var_1_26 - (var_1_27 - var_1_28)) - ((var_1_29 - var_1_30) - var_1_31))))) VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=6442450942, var_1_11=6442450943, var_1_13=251/10, var_1_15=2, var_1_16=4, var_1_17=0, var_1_18=16383, var_1_19=1610612734, var_1_1=4, var_1_20=80, var_1_21=32767, var_1_22=0, var_1_23=3, var_1_24=4, var_1_25=64, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=0, var_1_31=0, var_1_32=64, var_1_33=2, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=64] [L199-L200] return (((((((((((((var_1_22 || var_1_22) ? ((var_1_25 == ((64 + var_1_5) - (var_1_6 + 10))) ? (var_1_1 == ((signed short int) var_1_25)) : 1) : 1) && (((var_1_6 / var_1_5) > var_1_18) ? (var_1_7 == ((unsigned short int) ((var_1_8 - var_1_5) + var_1_6))) : 1)) && ((var_1_25 <= var_1_10) ? (var_1_9 == ((signed long int) var_1_25)) : 1)) && (var_1_10 == ((unsigned long int) (var_1_11 - last_1_var_1_20)))) && ((var_1_6 >= (var_1_10 ^ var_1_25)) ? (var_1_13 == ((float) ((((var_1_15) > ((var_1_16 - var_1_17))) ? (var_1_15) : ((var_1_16 - var_1_17)))))) : 1)) && (var_1_22 ? ((var_1_9 != ((3451179663u - var_1_6) * var_1_8)) ? (var_1_18 == ((signed long int) (var_1_25 - ((var_1_19 - var_1_10) - var_1_6)))) : 1) : (var_1_18 == ((signed long int) ((((var_1_8) > (((((var_1_25) < 0 ) ? -(var_1_25) : (var_1_25))))) ? (var_1_8) : (((((var_1_25) < 0 ) ? -(var_1_25) : (var_1_25)))))))))) && ((var_1_7 < var_1_10) ? (var_1_20 == ((unsigned short int) ((var_1_5 + ((((var_1_7) > (var_1_6)) ? (var_1_7) : (var_1_6)))) + 16))) : (var_1_22 ? ((4 >= var_1_32) ? (var_1_20 == ((unsigned short int) ((((var_1_21 - (var_1_8 - 16)) < 0 ) ? -(var_1_21 - (var_1_8 - 16)) : (var_1_21 - (var_1_8 - 16)))))) : (var_1_20 == ((unsigned short int) var_1_8))) : (var_1_20 == ((unsigned short int) var_1_6))))) && ((! (var_1_2 && var_1_3)) ? (var_1_22 == ((unsigned char) ((var_1_21 > var_1_11) && (! 1)))) : 1)) && ((((((var_1_25) < 0 ) ? -(var_1_25) : (var_1_25))) >= var_1_6) ? (var_1_23 == ((double) ((((((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17)))) < (var_1_16)) ? (((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17)))) : (var_1_16))))) : ((var_1_5 <= var_1_7) ? (var_1_23 == ((double) var_1_15)) : (var_1_23 == ((double) var_1_17))))) && ((var_1_20 > var_1_18) ? ((! var_1_22) ? (var_1_24 == ((double) (((((var_1_17 - var_1_16)) > (var_1_15)) ? ((var_1_17 - var_1_16)) : (var_1_15))))) : ((! (var_1_9 <= var_1_20)) ? (var_1_24 == ((double) 9.8)) : (var_1_24 == ((double) var_1_15)))) : (var_1_24 == ((double) var_1_16)))) && ((last_1_var_1_22 || last_1_var_1_22) ? (last_1_var_1_22 ? (var_1_25 == ((unsigned char) var_1_5)) : ((last_1_var_1_20 < (1u * (100u >> var_1_6))) ? (var_1_25 == ((unsigned char) var_1_6)) : (var_1_25 == ((unsigned char) var_1_5)))) : (var_1_25 == ((unsigned char) ((var_1_26 - (var_1_27 - var_1_28)) - ((var_1_29 - var_1_30) - var_1_31)))))) && (var_1_32 == ((unsigned char) var_1_5))) && (var_1_33 == ((float) var_1_15)) ; [L210] RET, EXPR property() [L210] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=6442450942, var_1_11=6442450943, var_1_13=251/10, var_1_15=2, var_1_16=4, var_1_17=0, var_1_18=16383, var_1_19=1610612734, var_1_1=4, var_1_20=80, var_1_21=32767, var_1_22=0, var_1_23=3, var_1_24=4, var_1_25=64, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=0, var_1_31=0, var_1_32=64, var_1_33=2, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=64] [L19] reach_error() VAL [isInitial=1, last_1_var_1_20=1, last_1_var_1_22=1, var_1_10=6442450942, var_1_11=6442450943, var_1_13=251/10, var_1_15=2, var_1_16=4, var_1_17=0, var_1_18=16383, var_1_19=1610612734, var_1_1=4, var_1_20=80, var_1_21=32767, var_1_22=0, var_1_23=3, var_1_24=4, var_1_25=64, var_1_26=190, var_1_27=31, var_1_28=0, var_1_29=95, var_1_2=0, var_1_30=0, var_1_31=0, var_1_32=64, var_1_33=2, var_1_3=1, var_1_5=64, var_1_6=0, var_1_7=0, var_1_8=16383, var_1_9=64] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 117 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 139.0s, OverallIterations: 29, TraceHistogramMax: 31, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 71.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11175 SdHoareTripleChecker+Valid, 35.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11148 mSDsluCounter, 22459 SdHoareTripleChecker+Invalid, 32.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 16819 mSDsCounter, 1742 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16346 IncrementalHoareTripleChecker+Invalid, 18088 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1742 mSolverCounterUnsat, 5640 mSDtfsCounter, 16346 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1813 GetRequests, 1382 SyntacticMatches, 8 SemanticMatches, 423 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5195 ImplicationChecksByTransitivity, 37.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3899occurred in iteration=26, InterpolantAutomatonStates: 365, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 6.9s AutomataMinimizationTime, 28 MinimizatonAttempts, 22552 StatesRemovedByMinimization, 27 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 3.9s SatisfiabilityAnalysisTime, 54.4s InterpolantComputationTime, 6933 NumberOfCodeBlocks, 6933 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 7104 ConstructedInterpolants, 0 QuantifiedInterpolants, 53876 SizeOfPredicates, 15 NumberOfNonLiveVariables, 1436 ConjunctsInSsa, 63 ConjunctsInUnsatCore, 34 InterpolantComputations, 25 PerfectInterpolantSequences, 62124/63240 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 02:42:32,350 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5288d8-9b15-498c-881c-1ece3756c334/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2024-11-28 02:42:32,384 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5288d8-9b15-498c-881c-1ece3756c334/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137 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_5a5288d8-9b15-498c-881c-1ece3756c334/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5288d8-9b15-498c-881c-1ece3756c334/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_5a5288d8-9b15-498c-881c-1ece3756c334/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5288d8-9b15-498c-881c-1ece3756c334/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-20.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5288d8-9b15-498c-881c-1ece3756c334/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_5a5288d8-9b15-498c-881c-1ece3756c334/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 d7483f4c602f1d80c3d31837b57d86164e65df5e6fa201344a2b0a8f22740044 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:42:34,918 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:42:35,048 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5288d8-9b15-498c-881c-1ece3756c334/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 02:42:35,059 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:42:35,059 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:42:35,109 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:42:35,110 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:42:35,111 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:42:35,112 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:42:35,112 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:42:35,112 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:42:35,112 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:42:35,113 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:42:35,113 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:42:35,113 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:42:35,114 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:42:35,115 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:42:35,115 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:42:35,115 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:42:35,115 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:42:35,115 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:42:35,115 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:42:35,115 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:42:35,116 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 02:42:35,116 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 02:42:35,116 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 02:42:35,116 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:42:35,116 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:42:35,116 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:42:35,116 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:42:35,116 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:42:35,116 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:42:35,116 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:42:35,116 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:42:35,116 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:42:35,116 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:42:35,117 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:42:35,117 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:42:35,117 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:42:35,117 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:42:35,117 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:42:35,117 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:42:35,117 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:42:35,117 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:42:35,117 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 02:42:35,117 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 02:42:35,117 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:42:35,117 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:42:35,117 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:42:35,118 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:42:35,118 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_5a5288d8-9b15-498c-881c-1ece3756c334/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 -> d7483f4c602f1d80c3d31837b57d86164e65df5e6fa201344a2b0a8f22740044 [2024-11-28 02:42:35,428 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:42:35,438 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:42:35,442 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:42:35,443 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:42:35,444 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:42:35,445 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5288d8-9b15-498c-881c-1ece3756c334/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-20.i [2024-11-28 02:42:38,529 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5288d8-9b15-498c-881c-1ece3756c334/bin/uautomizer-verify-aQ6SnzHsRB/data/e37126fe3/0c44073b8e48458daabbb63707d6401a/FLAGf834186c6 [2024-11-28 02:42:38,798 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:42:38,805 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5288d8-9b15-498c-881c-1ece3756c334/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-20.i [2024-11-28 02:42:38,832 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5288d8-9b15-498c-881c-1ece3756c334/bin/uautomizer-verify-aQ6SnzHsRB/data/e37126fe3/0c44073b8e48458daabbb63707d6401a/FLAGf834186c6 [2024-11-28 02:42:38,864 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5288d8-9b15-498c-881c-1ece3756c334/bin/uautomizer-verify-aQ6SnzHsRB/data/e37126fe3/0c44073b8e48458daabbb63707d6401a [2024-11-28 02:42:38,867 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:42:38,868 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:42:38,871 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:42:38,871 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:42:38,877 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:42:38,878 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:42:38" (1/1) ... [2024-11-28 02:42:38,879 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@db53025 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:42:38, skipping insertion in model container [2024-11-28 02:42:38,882 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:42:38" (1/1) ... [2024-11-28 02:42:38,915 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:42:39,089 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_5a5288d8-9b15-498c-881c-1ece3756c334/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-20.i[916,929] [2024-11-28 02:42:39,212 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:42:39,234 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:42:39,246 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_5a5288d8-9b15-498c-881c-1ece3756c334/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-20.i[916,929] [2024-11-28 02:42:39,319 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:42:39,341 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:42:39,342 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:42:39 WrapperNode [2024-11-28 02:42:39,342 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:42:39,343 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:42:39,343 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:42:39,343 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:42:39,349 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:42:39" (1/1) ... [2024-11-28 02:42:39,360 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:42:39" (1/1) ... [2024-11-28 02:42:39,388 INFO L138 Inliner]: procedures = 27, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 209 [2024-11-28 02:42:39,389 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:42:39,389 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:42:39,390 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:42:39,390 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:42:39,399 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:42:39" (1/1) ... [2024-11-28 02:42:39,399 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:42:39" (1/1) ... [2024-11-28 02:42:39,405 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:42:39" (1/1) ... [2024-11-28 02:42:39,419 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 02:42:39,420 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:42:39" (1/1) ... [2024-11-28 02:42:39,420 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:42:39" (1/1) ... [2024-11-28 02:42:39,431 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:42:39" (1/1) ... [2024-11-28 02:42:39,432 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:42:39" (1/1) ... [2024-11-28 02:42:39,436 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:42:39" (1/1) ... [2024-11-28 02:42:39,438 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:42:39" (1/1) ... [2024-11-28 02:42:39,440 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:42:39" (1/1) ... [2024-11-28 02:42:39,443 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:42:39,444 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:42:39,444 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:42:39,445 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:42:39,446 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:42:39" (1/1) ... [2024-11-28 02:42:39,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:42:39,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5288d8-9b15-498c-881c-1ece3756c334/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:42:39,492 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5288d8-9b15-498c-881c-1ece3756c334/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:42:39,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5288d8-9b15-498c-881c-1ece3756c334/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:42:39,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:42:39,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 02:42:39,528 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 02:42:39,529 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 02:42:39,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:42:39,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:42:39,663 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:42:39,666 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:42:43,915 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-11-28 02:42:43,916 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:42:43,929 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:42:43,929 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-28 02:42:43,930 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:42:43 BoogieIcfgContainer [2024-11-28 02:42:43,930 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:42:43,932 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:42:43,932 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:42:43,937 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:42:43,938 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:42:38" (1/3) ... [2024-11-28 02:42:43,938 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49f77a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:42:43, skipping insertion in model container [2024-11-28 02:42:43,939 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:42:39" (2/3) ... [2024-11-28 02:42:43,939 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49f77a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:42:43, skipping insertion in model container [2024-11-28 02:42:43,939 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:42:43" (3/3) ... [2024-11-28 02:42:43,940 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-20.i [2024-11-28 02:42:43,954 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:42:43,955 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_100-1loop_file-20.i that has 2 procedures, 94 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 02:42:44,023 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:42:44,035 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;@7bdcc85e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:42:44,035 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 02:42:44,039 INFO L276 IsEmpty]: Start isEmpty. Operand has 94 states, 60 states have (on average 1.4) internal successors, (84), 61 states have internal predecessors, (84), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-28 02:42:44,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-28 02:42:44,055 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:42:44,056 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:42:44,057 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:42:44,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:42:44,063 INFO L85 PathProgramCache]: Analyzing trace with hash 692349495, now seen corresponding path program 1 times [2024-11-28 02:42:44,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:42:44,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1162166229] [2024-11-28 02:42:44,079 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:42:44,080 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 02:42:44,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5288d8-9b15-498c-881c-1ece3756c334/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:42:44,083 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5288d8-9b15-498c-881c-1ece3756c334/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 02:42:44,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5288d8-9b15-498c-881c-1ece3756c334/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 02:42:44,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:42:44,521 INFO L256 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 02:42:44,532 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:42:45,884 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-28 02:42:45,884 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:42:45,885 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:42:45,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1162166229] [2024-11-28 02:42:45,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1162166229] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:42:45,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:42:45,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:42:45,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761207449] [2024-11-28 02:42:45,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:42:45,894 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:42:45,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:42:45,918 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:42:45,919 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:42:45,921 INFO L87 Difference]: Start difference. First operand has 94 states, 60 states have (on average 1.4) internal successors, (84), 61 states have internal predecessors, (84), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-28 02:42:49,127 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.86s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:42:52,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.18s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:42:55,916 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.18s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:42:55,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:42:55,918 INFO L93 Difference]: Finished difference Result 307 states and 540 transitions. [2024-11-28 02:42:55,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:42:55,940 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 199 [2024-11-28 02:42:55,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:42:55,951 INFO L225 Difference]: With dead ends: 307 [2024-11-28 02:42:55,952 INFO L226 Difference]: Without dead ends: 204 [2024-11-28 02:42:55,956 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:42:55,961 INFO L435 NwaCegarLoop]: 168 mSDtfsCounter, 127 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2024-11-28 02:42:55,961 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 429 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 9.9s Time] [2024-11-28 02:42:55,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2024-11-28 02:42:56,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 174. [2024-11-28 02:42:56,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 109 states have (on average 1.3027522935779816) internal successors, (142), 109 states have internal predecessors, (142), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-28 02:42:56,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 266 transitions. [2024-11-28 02:42:56,045 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 266 transitions. Word has length 199 [2024-11-28 02:42:56,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:42:56,046 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 266 transitions. [2024-11-28 02:42:56,046 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-28 02:42:56,046 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 266 transitions. [2024-11-28 02:42:56,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-11-28 02:42:56,054 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:42:56,055 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:42:56,065 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5288d8-9b15-498c-881c-1ece3756c334/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 02:42:56,256 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5288d8-9b15-498c-881c-1ece3756c334/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 02:42:56,256 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:42:56,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:42:56,257 INFO L85 PathProgramCache]: Analyzing trace with hash -1102120139, now seen corresponding path program 1 times [2024-11-28 02:42:56,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:42:56,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [193497030] [2024-11-28 02:42:56,258 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:42:56,258 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 02:42:56,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5288d8-9b15-498c-881c-1ece3756c334/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:42:56,260 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5288d8-9b15-498c-881c-1ece3756c334/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 02:42:56,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5288d8-9b15-498c-881c-1ece3756c334/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 02:42:56,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:42:56,708 INFO L256 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-28 02:42:56,715 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:43:02,626 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 722 proven. 264 refuted. 0 times theorem prover too weak. 874 trivial. 0 not checked. [2024-11-28 02:43:02,627 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:43:05,352 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:43:05,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [193497030] [2024-11-28 02:43:05,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [193497030] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:43:05,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [136814729] [2024-11-28 02:43:05,352 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:43:05,353 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-28 02:43:05,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5288d8-9b15-498c-881c-1ece3756c334/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-28 02:43:05,363 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5288d8-9b15-498c-881c-1ece3756c334/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-28 02:43:05,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5288d8-9b15-498c-881c-1ece3756c334/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-28 02:43:06,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:43:06,439 INFO L256 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 02:43:06,446 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:43:07,551 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 850 proven. 60 refuted. 0 times theorem prover too weak. 950 trivial. 0 not checked. [2024-11-28 02:43:07,551 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:43:08,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [136814729] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:43:08,107 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 02:43:08,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 6] total 19 [2024-11-28 02:43:08,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137626896] [2024-11-28 02:43:08,108 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 02:43:08,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-28 02:43:08,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:43:08,111 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-28 02:43:08,112 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=493, Unknown=0, NotChecked=0, Total=600 [2024-11-28 02:43:08,112 INFO L87 Difference]: Start difference. First operand 174 states and 266 transitions. Second operand has 19 states, 19 states have (on average 5.105263157894737) internal successors, (97), 17 states have internal predecessors, (97), 6 states have call successors, (57), 6 states have call predecessors, (57), 8 states have return successors, (58), 6 states have call predecessors, (58), 6 states have call successors, (58) [2024-11-28 02:43:18,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.66s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:43:24,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.25s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:43:25,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:43:25,260 INFO L93 Difference]: Finished difference Result 518 states and 738 transitions. [2024-11-28 02:43:25,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-28 02:43:25,261 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 5.105263157894737) internal successors, (97), 17 states have internal predecessors, (97), 6 states have call successors, (57), 6 states have call predecessors, (57), 8 states have return successors, (58), 6 states have call predecessors, (58), 6 states have call successors, (58) Word has length 200 [2024-11-28 02:43:25,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:43:25,266 INFO L225 Difference]: With dead ends: 518 [2024-11-28 02:43:25,266 INFO L226 Difference]: Without dead ends: 347 [2024-11-28 02:43:25,270 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 485 GetRequests, 428 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 841 ImplicationChecksByTransitivity, 8.3s TimeCoverageRelationStatistics Valid=795, Invalid=2627, Unknown=0, NotChecked=0, Total=3422 [2024-11-28 02:43:25,273 INFO L435 NwaCegarLoop]: 90 mSDtfsCounter, 453 mSDsluCounter, 518 mSDsCounter, 0 mSdLazyCounter, 940 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 454 SdHoareTripleChecker+Valid, 608 SdHoareTripleChecker+Invalid, 1019 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 940 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:43:25,274 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [454 Valid, 608 Invalid, 1019 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 940 Invalid, 0 Unknown, 0 Unchecked, 12.1s Time] [2024-11-28 02:43:25,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2024-11-28 02:43:25,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 267. [2024-11-28 02:43:25,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 182 states have (on average 1.2582417582417582) internal successors, (229), 184 states have internal predecessors, (229), 70 states have call successors, (70), 14 states have call predecessors, (70), 14 states have return successors, (70), 68 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-28 02:43:25,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 369 transitions. [2024-11-28 02:43:25,340 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 369 transitions. Word has length 200 [2024-11-28 02:43:25,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:43:25,342 INFO L471 AbstractCegarLoop]: Abstraction has 267 states and 369 transitions. [2024-11-28 02:43:25,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 5.105263157894737) internal successors, (97), 17 states have internal predecessors, (97), 6 states have call successors, (57), 6 states have call predecessors, (57), 8 states have return successors, (58), 6 states have call predecessors, (58), 6 states have call successors, (58) [2024-11-28 02:43:25,343 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 369 transitions. [2024-11-28 02:43:25,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-11-28 02:43:25,350 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:43:25,352 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:43:25,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5288d8-9b15-498c-881c-1ece3756c334/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-28 02:43:25,562 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5288d8-9b15-498c-881c-1ece3756c334/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 02:43:25,756 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5288d8-9b15-498c-881c-1ece3756c334/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5288d8-9b15-498c-881c-1ece3756c334/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 02:43:25,757 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:43:25,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:43:25,757 INFO L85 PathProgramCache]: Analyzing trace with hash 1110876405, now seen corresponding path program 1 times [2024-11-28 02:43:25,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:43:25,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1045613353] [2024-11-28 02:43:25,758 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:43:25,758 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 02:43:25,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5288d8-9b15-498c-881c-1ece3756c334/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:43:25,762 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5288d8-9b15-498c-881c-1ece3756c334/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 02:43:25,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5288d8-9b15-498c-881c-1ece3756c334/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 02:43:26,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:43:26,073 INFO L256 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-28 02:43:26,081 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:44:12,246 WARN L286 SmtUtils]: Spent 5.71s on a formula simplification that was a NOOP. DAG size: 92 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 02:45:00,640 WARN L286 SmtUtils]: Spent 5.20s on a formula simplification that was a NOOP. DAG size: 99 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)