/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/bench-exp3x3.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bc79526 [2022-01-18 00:31:55,042 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-18 00:31:55,044 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-18 00:31:55,062 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-18 00:31:55,068 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-18 00:31:55,068 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-18 00:31:55,069 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-18 00:31:55,070 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-18 00:31:55,071 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-18 00:31:55,075 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-18 00:31:55,078 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-18 00:31:55,079 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-18 00:31:55,080 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-18 00:31:55,109 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-18 00:31:55,109 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-18 00:31:55,110 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-18 00:31:55,111 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-18 00:31:55,120 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-18 00:31:55,121 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-18 00:31:55,121 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-18 00:31:55,122 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2022-01-18 00:31:55,146 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-18 00:31:55,146 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-18 00:31:55,146 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-18 00:31:55,147 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-18 00:31:55,147 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-18 00:31:55,147 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-18 00:31:55,147 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-18 00:31:55,148 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-18 00:31:55,148 INFO L138 SettingsManager]: * Use SBE=true [2022-01-18 00:31:55,148 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-18 00:31:55,148 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-18 00:31:55,148 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-18 00:31:55,148 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-18 00:31:55,148 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-18 00:31:55,148 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-18 00:31:55,148 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-18 00:31:55,149 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-18 00:31:55,149 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-18 00:31:55,149 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-18 00:31:55,149 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-18 00:31:55,149 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-18 00:31:55,149 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-18 00:31:55,149 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-18 00:31:55,149 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-18 00:31:55,149 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-18 00:31:55,149 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 00:31:55,150 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-18 00:31:55,150 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-18 00:31:55,150 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-18 00:31:55,150 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-18 00:31:55,150 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-18 00:31:55,150 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-18 00:31:55,150 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-18 00:31:55,150 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-18 00:31:55,324 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-18 00:31:55,341 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-18 00:31:55,342 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-18 00:31:55,343 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-18 00:31:55,355 INFO L275 PluginConnector]: CDTParser initialized [2022-01-18 00:31:55,355 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/bench-exp3x3.wvr.c [2022-01-18 00:31:55,423 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61b6f26e0/090a1fca2e994c65a7d9af27cb86c017/FLAG18776f323 [2022-01-18 00:31:55,776 INFO L306 CDTParser]: Found 1 translation units. [2022-01-18 00:31:55,777 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/bench-exp3x3.wvr.c [2022-01-18 00:31:55,784 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61b6f26e0/090a1fca2e994c65a7d9af27cb86c017/FLAG18776f323 [2022-01-18 00:31:55,797 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61b6f26e0/090a1fca2e994c65a7d9af27cb86c017 [2022-01-18 00:31:55,799 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-18 00:31:55,801 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-18 00:31:55,803 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-18 00:31:55,803 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-18 00:31:55,805 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-18 00:31:55,808 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 12:31:55" (1/1) ... [2022-01-18 00:31:55,808 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26cb08d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:31:55, skipping insertion in model container [2022-01-18 00:31:55,808 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 12:31:55" (1/1) ... [2022-01-18 00:31:55,813 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-18 00:31:55,830 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-18 00:31:55,984 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/bench-exp3x3.wvr.c[2625,2638] [2022-01-18 00:31:55,986 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 00:31:55,990 INFO L203 MainTranslator]: Completed pre-run [2022-01-18 00:31:56,005 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/bench-exp3x3.wvr.c[2625,2638] [2022-01-18 00:31:56,006 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 00:31:56,013 INFO L208 MainTranslator]: Completed translation [2022-01-18 00:31:56,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:31:56 WrapperNode [2022-01-18 00:31:56,014 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-18 00:31:56,014 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-18 00:31:56,014 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-18 00:31:56,014 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-18 00:31:56,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:31:56" (1/1) ... [2022-01-18 00:31:56,023 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:31:56" (1/1) ... [2022-01-18 00:31:56,038 INFO L137 Inliner]: procedures = 22, calls = 44, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 125 [2022-01-18 00:31:56,038 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-18 00:31:56,038 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-18 00:31:56,038 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-18 00:31:56,039 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-18 00:31:56,045 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:31:56" (1/1) ... [2022-01-18 00:31:56,045 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:31:56" (1/1) ... [2022-01-18 00:31:56,054 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:31:56" (1/1) ... [2022-01-18 00:31:56,054 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:31:56" (1/1) ... [2022-01-18 00:31:56,057 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:31:56" (1/1) ... [2022-01-18 00:31:56,070 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:31:56" (1/1) ... [2022-01-18 00:31:56,071 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:31:56" (1/1) ... [2022-01-18 00:31:56,072 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-18 00:31:56,073 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-18 00:31:56,073 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-18 00:31:56,073 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-18 00:31:56,073 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:31:56" (1/1) ... [2022-01-18 00:31:56,078 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 00:31:56,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 00:31:56,096 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-18 00:31:56,103 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-18 00:31:56,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-18 00:31:56,123 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-01-18 00:31:56,123 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-01-18 00:31:56,123 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-01-18 00:31:56,123 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-01-18 00:31:56,123 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-01-18 00:31:56,123 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-01-18 00:31:56,123 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-01-18 00:31:56,123 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-01-18 00:31:56,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-18 00:31:56,124 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2022-01-18 00:31:56,124 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2022-01-18 00:31:56,124 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2022-01-18 00:31:56,124 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2022-01-18 00:31:56,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-18 00:31:56,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-18 00:31:56,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-18 00:31:56,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-18 00:31:56,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-18 00:31:56,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-18 00:31:56,125 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-18 00:31:56,177 INFO L234 CfgBuilder]: Building ICFG [2022-01-18 00:31:56,178 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-18 00:31:56,374 INFO L275 CfgBuilder]: Performing block encoding [2022-01-18 00:31:56,380 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-18 00:31:56,380 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2022-01-18 00:31:56,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 12:31:56 BoogieIcfgContainer [2022-01-18 00:31:56,381 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-18 00:31:56,382 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-18 00:31:56,382 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-18 00:31:56,393 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-18 00:31:56,393 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.01 12:31:55" (1/3) ... [2022-01-18 00:31:56,393 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ed7df7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 12:31:56, skipping insertion in model container [2022-01-18 00:31:56,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:31:56" (2/3) ... [2022-01-18 00:31:56,394 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ed7df7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 12:31:56, skipping insertion in model container [2022-01-18 00:31:56,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 12:31:56" (3/3) ... [2022-01-18 00:31:56,395 INFO L111 eAbstractionObserver]: Analyzing ICFG bench-exp3x3.wvr.c [2022-01-18 00:31:56,397 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-18 00:31:56,398 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-18 00:31:56,398 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-18 00:31:56,398 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-18 00:31:56,455 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:31:56,455 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:31:56,456 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:31:56,456 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:31:56,457 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:31:56,457 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:31:56,457 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:31:56,457 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:31:56,458 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:31:56,458 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:31:56,458 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:31:56,458 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:31:56,459 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork5_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:31:56,459 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork5_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:31:56,459 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork5_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:31:56,459 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork5_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:31:56,460 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:31:56,460 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:31:56,460 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:31:56,461 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:31:56,461 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:31:56,461 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:31:56,462 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:31:56,462 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:31:56,463 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:31:56,464 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:31:56,465 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:31:56,465 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:31:56,466 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:31:56,466 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:31:56,466 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:31:56,467 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:31:56,467 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:31:56,467 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:31:56,468 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork5_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:31:56,468 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork5_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:31:56,482 INFO L148 ThreadInstanceAdder]: Constructed 6 joinOtherThreadTransitions. [2022-01-18 00:31:56,521 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-18 00:31:56,527 INFO L339 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, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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, mLoopAccelerationTechnique=FAST_UPR [2022-01-18 00:31:56,527 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-01-18 00:31:56,543 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 174 places, 169 transitions, 386 flow [2022-01-18 00:32:00,507 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 97705 states, 97704 states have (on average 7.496888561369033) internal successors, (732476), 97704 states have internal predecessors, (732476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:32:00,692 INFO L276 IsEmpty]: Start isEmpty. Operand has 97705 states, 97704 states have (on average 7.496888561369033) internal successors, (732476), 97704 states have internal predecessors, (732476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:32:01,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-01-18 00:32:01,485 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:32:01,486 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 00:32:01,487 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-01-18 00:32:01,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:32:01,490 INFO L85 PathProgramCache]: Analyzing trace with hash -1305752384, now seen corresponding path program 1 times [2022-01-18 00:32:01,495 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:32:01,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686788461] [2022-01-18 00:32:01,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:32:01,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:32:01,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:32:01,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:32:01,643 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:32:01,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686788461] [2022-01-18 00:32:01,644 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686788461] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:32:01,644 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:32:01,644 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-18 00:32:01,645 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256619755] [2022-01-18 00:32:01,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:32:01,648 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-18 00:32:01,648 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:32:01,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-18 00:32:01,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-18 00:32:01,899 INFO L87 Difference]: Start difference. First operand has 97705 states, 97704 states have (on average 7.496888561369033) internal successors, (732476), 97704 states have internal predecessors, (732476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 62.0) internal successors, (124), 2 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:32:03,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:32:03,722 INFO L93 Difference]: Finished difference Result 97705 states and 624075 transitions. [2022-01-18 00:32:03,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-18 00:32:03,733 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 62.0) internal successors, (124), 2 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-01-18 00:32:03,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:32:04,606 INFO L225 Difference]: With dead ends: 97705 [2022-01-18 00:32:04,607 INFO L226 Difference]: Without dead ends: 97703 [2022-01-18 00:32:04,608 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-18 00:32:04,610 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 126 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 [2022-01-18 00:32:04,610 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 126 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 00:32:05,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97703 states. [2022-01-18 00:32:08,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97703 to 97703. [2022-01-18 00:32:09,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97703 states, 97702 states have (on average 6.387515096927391) internal successors, (624073), 97702 states have internal predecessors, (624073), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:32:10,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97703 states to 97703 states and 624073 transitions. [2022-01-18 00:32:10,721 INFO L78 Accepts]: Start accepts. Automaton has 97703 states and 624073 transitions. Word has length 124 [2022-01-18 00:32:10,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:32:10,723 INFO L470 AbstractCegarLoop]: Abstraction has 97703 states and 624073 transitions. [2022-01-18 00:32:10,726 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 62.0) internal successors, (124), 2 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:32:10,730 INFO L276 IsEmpty]: Start isEmpty. Operand 97703 states and 624073 transitions. [2022-01-18 00:32:11,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-01-18 00:32:11,314 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:32:11,314 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 00:32:11,314 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-18 00:32:11,315 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-01-18 00:32:11,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:32:11,315 INFO L85 PathProgramCache]: Analyzing trace with hash 8260414, now seen corresponding path program 1 times [2022-01-18 00:32:11,315 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:32:11,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623481923] [2022-01-18 00:32:11,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:32:11,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:32:11,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:32:11,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:32:11,760 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:32:11,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623481923] [2022-01-18 00:32:11,761 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623481923] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:32:11,761 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:32:11,761 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-18 00:32:11,761 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566331231] [2022-01-18 00:32:11,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:32:11,762 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-18 00:32:11,762 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:32:11,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-18 00:32:11,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-01-18 00:32:11,763 INFO L87 Difference]: Start difference. First operand 97703 states and 624073 transitions. Second operand has 7 states, 7 states have (on average 17.714285714285715) internal successors, (124), 7 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:32:15,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:32:15,171 INFO L93 Difference]: Finished difference Result 195354 states and 1248094 transitions. [2022-01-18 00:32:15,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-18 00:32:15,172 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.714285714285715) internal successors, (124), 7 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-01-18 00:32:15,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:32:16,846 INFO L225 Difference]: With dead ends: 195354 [2022-01-18 00:32:16,863 INFO L226 Difference]: Without dead ends: 191343 [2022-01-18 00:32:16,866 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-01-18 00:32:16,867 INFO L933 BasicCegarLoop]: 102 mSDtfsCounter, 161 mSDsluCounter, 465 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-18 00:32:16,868 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [161 Valid, 510 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-18 00:32:17,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191343 states. [2022-01-18 00:32:23,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191343 to 122358. [2022-01-18 00:32:23,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122358 states, 122357 states have (on average 6.363297563686589) internal successors, (778594), 122357 states have internal predecessors, (778594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:32:25,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122358 states to 122358 states and 778594 transitions. [2022-01-18 00:32:25,465 INFO L78 Accepts]: Start accepts. Automaton has 122358 states and 778594 transitions. Word has length 124 [2022-01-18 00:32:25,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:32:25,468 INFO L470 AbstractCegarLoop]: Abstraction has 122358 states and 778594 transitions. [2022-01-18 00:32:25,468 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.714285714285715) internal successors, (124), 7 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:32:25,469 INFO L276 IsEmpty]: Start isEmpty. Operand 122358 states and 778594 transitions. [2022-01-18 00:32:25,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-01-18 00:32:25,981 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:32:25,981 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 00:32:25,981 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-18 00:32:25,981 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-01-18 00:32:25,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:32:25,982 INFO L85 PathProgramCache]: Analyzing trace with hash -988465056, now seen corresponding path program 1 times [2022-01-18 00:32:25,982 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:32:25,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896532204] [2022-01-18 00:32:25,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:32:25,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:32:26,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:32:26,317 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:32:26,317 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:32:26,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896532204] [2022-01-18 00:32:26,317 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896532204] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:32:26,317 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:32:26,317 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-18 00:32:26,317 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365580053] [2022-01-18 00:32:26,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:32:26,318 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-18 00:32:26,318 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:32:26,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-18 00:32:26,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-01-18 00:32:26,318 INFO L87 Difference]: Start difference. First operand 122358 states and 778594 transitions. Second operand has 6 states, 6 states have (on average 21.0) internal successors, (126), 6 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:32:29,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:32:29,200 INFO L93 Difference]: Finished difference Result 191343 states and 1204582 transitions. [2022-01-18 00:32:29,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-18 00:32:29,201 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 21.0) internal successors, (126), 6 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2022-01-18 00:32:29,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:32:31,619 INFO L225 Difference]: With dead ends: 191343 [2022-01-18 00:32:31,619 INFO L226 Difference]: Without dead ends: 187218 [2022-01-18 00:32:31,619 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2022-01-18 00:32:31,620 INFO L933 BasicCegarLoop]: 128 mSDtfsCounter, 213 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 00:32:31,620 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [213 Valid, 382 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 00:32:31,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187218 states. [2022-01-18 00:32:37,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187218 to 141552. [2022-01-18 00:32:37,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141552 states, 141551 states have (on average 6.3017004471886455) internal successors, (892012), 141551 states have internal predecessors, (892012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:32:39,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141552 states to 141552 states and 892012 transitions. [2022-01-18 00:32:39,278 INFO L78 Accepts]: Start accepts. Automaton has 141552 states and 892012 transitions. Word has length 126 [2022-01-18 00:32:39,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:32:39,279 INFO L470 AbstractCegarLoop]: Abstraction has 141552 states and 892012 transitions. [2022-01-18 00:32:39,279 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.0) internal successors, (126), 6 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:32:39,279 INFO L276 IsEmpty]: Start isEmpty. Operand 141552 states and 892012 transitions. [2022-01-18 00:32:40,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-01-18 00:32:40,632 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:32:40,632 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 00:32:40,633 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-18 00:32:40,636 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-01-18 00:32:40,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:32:40,636 INFO L85 PathProgramCache]: Analyzing trace with hash 673227334, now seen corresponding path program 1 times [2022-01-18 00:32:40,636 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:32:40,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893213353] [2022-01-18 00:32:40,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:32:40,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:32:40,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:32:40,737 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:32:40,737 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:32:40,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893213353] [2022-01-18 00:32:40,737 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893213353] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 00:32:40,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1731031506] [2022-01-18 00:32:40,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:32:40,737 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 00:32:40,738 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 00:32:40,744 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 00:32:40,744 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-01-18 00:32:40,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:32:40,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 7 conjunts are in the unsatisfiable core [2022-01-18 00:32:40,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 00:32:41,408 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:32:41,409 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 00:32:41,635 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:32:41,635 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1731031506] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 00:32:41,635 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 00:32:41,635 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2022-01-18 00:32:41,635 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004823573] [2022-01-18 00:32:41,635 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 00:32:41,636 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 00:32:41,636 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:32:41,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 00:32:41,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-01-18 00:32:41,637 INFO L87 Difference]: Start difference. First operand 141552 states and 892012 transitions. Second operand has 10 states, 10 states have (on average 19.0) internal successors, (190), 10 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:32:46,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:32:46,550 INFO L93 Difference]: Finished difference Result 317657 states and 2018006 transitions. [2022-01-18 00:32:46,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-18 00:32:46,551 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 19.0) internal successors, (190), 10 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2022-01-18 00:32:46,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:32:50,407 INFO L225 Difference]: With dead ends: 317657 [2022-01-18 00:32:50,408 INFO L226 Difference]: Without dead ends: 317657 [2022-01-18 00:32:50,408 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 246 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2022-01-18 00:32:50,409 INFO L933 BasicCegarLoop]: 166 mSDtfsCounter, 780 mSDsluCounter, 643 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 780 SdHoareTripleChecker+Valid, 737 SdHoareTripleChecker+Invalid, 301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 00:32:50,409 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [780 Valid, 737 Invalid, 301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 00:32:51,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317657 states. [2022-01-18 00:33:01,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317657 to 177331. [2022-01-18 00:33:01,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177331 states, 177330 states have (on average 6.343748942649298) internal successors, (1124937), 177330 states have internal predecessors, (1124937), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:33:03,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177331 states to 177331 states and 1124937 transitions. [2022-01-18 00:33:03,699 INFO L78 Accepts]: Start accepts. Automaton has 177331 states and 1124937 transitions. Word has length 126 [2022-01-18 00:33:03,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:33:03,700 INFO L470 AbstractCegarLoop]: Abstraction has 177331 states and 1124937 transitions. [2022-01-18 00:33:03,700 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 19.0) internal successors, (190), 10 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:33:03,700 INFO L276 IsEmpty]: Start isEmpty. Operand 177331 states and 1124937 transitions. [2022-01-18 00:33:05,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-01-18 00:33:05,191 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:33:05,191 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 00:33:05,208 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-01-18 00:33:05,407 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 00:33:05,407 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-01-18 00:33:05,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:33:05,408 INFO L85 PathProgramCache]: Analyzing trace with hash 846870858, now seen corresponding path program 2 times [2022-01-18 00:33:05,408 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:33:05,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918017199] [2022-01-18 00:33:05,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:33:05,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:33:05,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:33:05,742 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:33:05,742 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:33:05,742 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918017199] [2022-01-18 00:33:05,742 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918017199] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:33:05,742 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:33:05,742 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-18 00:33:05,742 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254290536] [2022-01-18 00:33:05,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:33:05,743 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-18 00:33:05,743 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:33:05,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-18 00:33:05,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-01-18 00:33:05,743 INFO L87 Difference]: Start difference. First operand 177331 states and 1124937 transitions. Second operand has 7 states, 7 states have (on average 18.0) internal successors, (126), 7 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:33:09,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:33:09,424 INFO L93 Difference]: Finished difference Result 222994 states and 1414296 transitions. [2022-01-18 00:33:09,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-18 00:33:09,424 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.0) internal successors, (126), 7 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2022-01-18 00:33:09,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:33:12,785 INFO L225 Difference]: With dead ends: 222994 [2022-01-18 00:33:12,785 INFO L226 Difference]: Without dead ends: 222994 [2022-01-18 00:33:12,786 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-01-18 00:33:12,787 INFO L933 BasicCegarLoop]: 130 mSDtfsCounter, 252 mSDsluCounter, 392 mSDsCounter, 0 mSdLazyCounter, 241 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 473 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 00:33:12,788 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [252 Valid, 473 Invalid, 249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 241 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 00:33:13,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222994 states. [2022-01-18 00:33:20,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222994 to 192171. [2022-01-18 00:33:20,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192171 states, 192170 states have (on average 6.363022323983973) internal successors, (1222782), 192170 states have internal predecessors, (1222782), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:33:23,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192171 states to 192171 states and 1222782 transitions. [2022-01-18 00:33:23,096 INFO L78 Accepts]: Start accepts. Automaton has 192171 states and 1222782 transitions. Word has length 126 [2022-01-18 00:33:23,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:33:23,097 INFO L470 AbstractCegarLoop]: Abstraction has 192171 states and 1222782 transitions. [2022-01-18 00:33:23,097 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.0) internal successors, (126), 7 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:33:23,097 INFO L276 IsEmpty]: Start isEmpty. Operand 192171 states and 1222782 transitions. [2022-01-18 00:33:24,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-01-18 00:33:24,502 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:33:24,502 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 00:33:24,502 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-18 00:33:24,502 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-01-18 00:33:24,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:33:24,504 INFO L85 PathProgramCache]: Analyzing trace with hash 2085725440, now seen corresponding path program 1 times [2022-01-18 00:33:24,504 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:33:24,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768178543] [2022-01-18 00:33:24,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:33:24,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:33:24,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:33:24,745 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:33:24,746 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:33:24,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768178543] [2022-01-18 00:33:24,746 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768178543] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:33:24,746 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:33:24,746 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-18 00:33:24,746 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558064325] [2022-01-18 00:33:24,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:33:24,746 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-18 00:33:24,746 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:33:24,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-18 00:33:24,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-01-18 00:33:24,747 INFO L87 Difference]: Start difference. First operand 192171 states and 1222782 transitions. Second operand has 6 states, 6 states have (on average 21.0) internal successors, (126), 6 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:33:27,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:33:27,892 INFO L93 Difference]: Finished difference Result 220026 states and 1375818 transitions. [2022-01-18 00:33:27,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-18 00:33:27,893 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 21.0) internal successors, (126), 6 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2022-01-18 00:33:27,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:33:30,205 INFO L225 Difference]: With dead ends: 220026 [2022-01-18 00:33:30,205 INFO L226 Difference]: Without dead ends: 214689 [2022-01-18 00:33:30,208 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2022-01-18 00:33:30,208 INFO L933 BasicCegarLoop]: 134 mSDtfsCounter, 196 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-18 00:33:30,209 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [196 Valid, 344 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-18 00:33:30,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214689 states. [2022-01-18 00:33:37,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214689 to 192828. [2022-01-18 00:33:38,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192828 states, 192827 states have (on average 6.32444626530517) internal successors, (1219524), 192827 states have internal predecessors, (1219524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:33:40,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192828 states to 192828 states and 1219524 transitions. [2022-01-18 00:33:40,929 INFO L78 Accepts]: Start accepts. Automaton has 192828 states and 1219524 transitions. Word has length 126 [2022-01-18 00:33:40,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:33:40,929 INFO L470 AbstractCegarLoop]: Abstraction has 192828 states and 1219524 transitions. [2022-01-18 00:33:40,929 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.0) internal successors, (126), 6 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:33:40,929 INFO L276 IsEmpty]: Start isEmpty. Operand 192828 states and 1219524 transitions. [2022-01-18 00:33:41,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-01-18 00:33:41,807 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:33:41,807 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 00:33:41,807 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-18 00:33:41,808 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-01-18 00:33:41,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:33:41,808 INFO L85 PathProgramCache]: Analyzing trace with hash -2105609728, now seen corresponding path program 1 times [2022-01-18 00:33:41,808 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:33:41,808 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034688325] [2022-01-18 00:33:41,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:33:41,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:33:41,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:33:42,141 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:33:42,141 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:33:42,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034688325] [2022-01-18 00:33:42,142 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034688325] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 00:33:42,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2049334349] [2022-01-18 00:33:42,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:33:42,142 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 00:33:42,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 00:33:42,147 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 00:33:42,185 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-01-18 00:33:42,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:33:42,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 7 conjunts are in the unsatisfiable core [2022-01-18 00:33:42,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 00:33:42,562 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:33:42,563 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 00:33:42,794 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:33:42,794 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2049334349] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 00:33:42,794 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 00:33:42,794 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2022-01-18 00:33:42,794 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490632776] [2022-01-18 00:33:42,794 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 00:33:42,794 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 00:33:42,795 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:33:42,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 00:33:42,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-01-18 00:33:42,795 INFO L87 Difference]: Start difference. First operand 192828 states and 1219524 transitions. Second operand has 10 states, 10 states have (on average 16.3) internal successors, (163), 10 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:33:51,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:33:51,800 INFO L93 Difference]: Finished difference Result 496496 states and 3133397 transitions. [2022-01-18 00:33:51,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-18 00:33:51,801 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 16.3) internal successors, (163), 10 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2022-01-18 00:33:51,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:33:59,090 INFO L225 Difference]: With dead ends: 496496 [2022-01-18 00:33:59,090 INFO L226 Difference]: Without dead ends: 496496 [2022-01-18 00:33:59,090 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 246 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2022-01-18 00:33:59,093 INFO L933 BasicCegarLoop]: 176 mSDtfsCounter, 1082 mSDsluCounter, 588 mSDsCounter, 0 mSdLazyCounter, 243 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1082 SdHoareTripleChecker+Valid, 695 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 00:33:59,093 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1082 Valid, 695 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 243 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 00:34:01,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 496496 states. [2022-01-18 00:34:17,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 496496 to 225124. [2022-01-18 00:34:17,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225124 states, 225123 states have (on average 6.399985785548345) internal successors, (1440784), 225123 states have internal predecessors, (1440784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:34:21,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225124 states to 225124 states and 1440784 transitions. [2022-01-18 00:34:21,151 INFO L78 Accepts]: Start accepts. Automaton has 225124 states and 1440784 transitions. Word has length 126 [2022-01-18 00:34:21,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:34:21,151 INFO L470 AbstractCegarLoop]: Abstraction has 225124 states and 1440784 transitions. [2022-01-18 00:34:21,151 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 16.3) internal successors, (163), 10 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:34:21,151 INFO L276 IsEmpty]: Start isEmpty. Operand 225124 states and 1440784 transitions. [2022-01-18 00:34:22,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-01-18 00:34:22,269 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:34:22,270 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 00:34:22,293 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-01-18 00:34:22,472 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-01-18 00:34:22,472 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-01-18 00:34:22,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:34:22,473 INFO L85 PathProgramCache]: Analyzing trace with hash -2029305396, now seen corresponding path program 2 times [2022-01-18 00:34:22,473 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:34:22,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372879907] [2022-01-18 00:34:22,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:34:22,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:34:22,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:34:23,120 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:34:23,120 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:34:23,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372879907] [2022-01-18 00:34:23,121 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [372879907] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 00:34:23,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1394994556] [2022-01-18 00:34:23,121 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-18 00:34:23,121 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 00:34:23,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 00:34:23,132 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 00:34:23,184 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-01-18 00:34:23,342 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-01-18 00:34:23,343 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-18 00:34:23,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 7 conjunts are in the unsatisfiable core [2022-01-18 00:34:23,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 00:34:23,664 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:34:23,664 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 00:34:23,881 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:34:23,881 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1394994556] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 00:34:23,881 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 00:34:23,881 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2022-01-18 00:34:23,881 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763323043] [2022-01-18 00:34:23,881 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 00:34:23,882 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 00:34:23,882 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:34:23,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 00:34:23,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-01-18 00:34:23,882 INFO L87 Difference]: Start difference. First operand 225124 states and 1440784 transitions. Second operand has 10 states, 10 states have (on average 16.9) internal successors, (169), 10 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:34:33,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:34:33,575 INFO L93 Difference]: Finished difference Result 525826 states and 3323238 transitions. [2022-01-18 00:34:33,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-18 00:34:33,575 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 16.9) internal successors, (169), 10 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2022-01-18 00:34:33,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:34:39,265 INFO L225 Difference]: With dead ends: 525826 [2022-01-18 00:34:39,265 INFO L226 Difference]: Without dead ends: 525826 [2022-01-18 00:34:39,265 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 246 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2022-01-18 00:34:39,271 INFO L933 BasicCegarLoop]: 166 mSDtfsCounter, 714 mSDsluCounter, 956 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 714 SdHoareTripleChecker+Valid, 1019 SdHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 00:34:39,271 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [714 Valid, 1019 Invalid, 347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 336 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 00:34:41,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 525826 states. [2022-01-18 00:34:59,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 525826 to 248588. [2022-01-18 00:34:59,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248588 states, 248587 states have (on average 6.406481433059653) internal successors, (1592568), 248587 states have internal predecessors, (1592568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:35:03,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248588 states to 248588 states and 1592568 transitions. [2022-01-18 00:35:03,222 INFO L78 Accepts]: Start accepts. Automaton has 248588 states and 1592568 transitions. Word has length 126 [2022-01-18 00:35:03,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:35:03,222 INFO L470 AbstractCegarLoop]: Abstraction has 248588 states and 1592568 transitions. [2022-01-18 00:35:03,222 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 16.9) internal successors, (169), 10 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:35:03,222 INFO L276 IsEmpty]: Start isEmpty. Operand 248588 states and 1592568 transitions. [2022-01-18 00:35:04,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-01-18 00:35:04,292 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:35:04,292 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 00:35:04,308 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-01-18 00:35:04,499 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 00:35:04,499 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-01-18 00:35:04,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:35:04,500 INFO L85 PathProgramCache]: Analyzing trace with hash -1176388288, now seen corresponding path program 1 times [2022-01-18 00:35:04,500 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:35:04,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691942078] [2022-01-18 00:35:04,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:35:04,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:35:04,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:35:04,602 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:35:04,602 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:35:04,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691942078] [2022-01-18 00:35:04,602 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691942078] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:35:04,602 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:35:04,602 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-18 00:35:04,603 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840769515] [2022-01-18 00:35:04,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:35:04,603 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-18 00:35:04,603 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:35:04,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-18 00:35:04,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-01-18 00:35:04,604 INFO L87 Difference]: Start difference. First operand 248588 states and 1592568 transitions. Second operand has 6 states, 6 states have (on average 21.0) internal successors, (126), 6 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:35:12,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:35:12,546 INFO L93 Difference]: Finished difference Result 460536 states and 2936688 transitions. [2022-01-18 00:35:12,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-18 00:35:12,547 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 21.0) internal successors, (126), 6 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2022-01-18 00:35:12,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:35:18,497 INFO L225 Difference]: With dead ends: 460536 [2022-01-18 00:35:18,497 INFO L226 Difference]: Without dead ends: 456351 [2022-01-18 00:35:18,497 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-01-18 00:35:18,501 INFO L933 BasicCegarLoop]: 162 mSDtfsCounter, 253 mSDsluCounter, 557 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 664 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-18 00:35:18,502 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [253 Valid, 664 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-18 00:35:19,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456351 states. [2022-01-18 00:35:35,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456351 to 278313. [2022-01-18 00:35:36,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278313 states, 278312 states have (on average 6.4494092960418525) internal successors, (1794948), 278312 states have internal predecessors, (1794948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:35:39,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278313 states to 278313 states and 1794948 transitions. [2022-01-18 00:35:39,510 INFO L78 Accepts]: Start accepts. Automaton has 278313 states and 1794948 transitions. Word has length 126 [2022-01-18 00:35:39,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:35:39,511 INFO L470 AbstractCegarLoop]: Abstraction has 278313 states and 1794948 transitions. [2022-01-18 00:35:39,511 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.0) internal successors, (126), 6 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:35:39,511 INFO L276 IsEmpty]: Start isEmpty. Operand 278313 states and 1794948 transitions. [2022-01-18 00:35:41,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-01-18 00:35:41,249 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:35:41,249 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 00:35:41,250 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-01-18 00:35:41,250 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-01-18 00:35:41,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:35:41,250 INFO L85 PathProgramCache]: Analyzing trace with hash -1299539072, now seen corresponding path program 1 times [2022-01-18 00:35:41,250 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:35:41,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043268939] [2022-01-18 00:35:41,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:35:41,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:35:41,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:35:41,354 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:35:41,354 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:35:41,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043268939] [2022-01-18 00:35:41,354 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043268939] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 00:35:41,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [848693665] [2022-01-18 00:35:41,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:35:41,354 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 00:35:41,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 00:35:41,368 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 00:35:41,382 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-01-18 00:35:41,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:35:41,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 7 conjunts are in the unsatisfiable core [2022-01-18 00:35:41,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 00:35:41,719 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:35:41,719 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 00:35:41,953 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:35:41,953 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [848693665] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 00:35:41,953 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 00:35:41,953 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2022-01-18 00:35:41,954 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976970244] [2022-01-18 00:35:41,954 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 00:35:41,954 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 00:35:41,954 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:35:41,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 00:35:41,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-01-18 00:35:41,954 INFO L87 Difference]: Start difference. First operand 278313 states and 1794948 transitions. Second operand has 10 states, 10 states have (on average 14.7) internal successors, (147), 10 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:35:54,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:35:54,097 INFO L93 Difference]: Finished difference Result 664638 states and 4214555 transitions. [2022-01-18 00:35:54,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-18 00:35:54,097 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 14.7) internal successors, (147), 10 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2022-01-18 00:35:54,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:36:08,187 INFO L225 Difference]: With dead ends: 664638 [2022-01-18 00:36:08,188 INFO L226 Difference]: Without dead ends: 664638 [2022-01-18 00:36:08,188 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 246 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2022-01-18 00:36:08,188 INFO L933 BasicCegarLoop]: 174 mSDtfsCounter, 1183 mSDsluCounter, 727 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1183 SdHoareTripleChecker+Valid, 816 SdHoareTripleChecker+Invalid, 294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 00:36:08,189 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1183 Valid, 816 Invalid, 294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 274 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 00:36:10,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 664638 states. [2022-01-18 00:36:30,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 664638 to 322330. [2022-01-18 00:36:31,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322330 states, 322329 states have (on average 6.467072463228565) internal successors, (2084525), 322329 states have internal predecessors, (2084525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:36:35,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322330 states to 322330 states and 2084525 transitions. [2022-01-18 00:36:35,953 INFO L78 Accepts]: Start accepts. Automaton has 322330 states and 2084525 transitions. Word has length 126 [2022-01-18 00:36:35,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:36:35,954 INFO L470 AbstractCegarLoop]: Abstraction has 322330 states and 2084525 transitions. [2022-01-18 00:36:35,954 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 14.7) internal successors, (147), 10 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:36:35,954 INFO L276 IsEmpty]: Start isEmpty. Operand 322330 states and 2084525 transitions. [2022-01-18 00:36:37,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-01-18 00:36:37,346 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:36:37,346 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 00:36:37,362 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-01-18 00:36:37,562 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 00:36:37,563 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-01-18 00:36:37,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:36:37,563 INFO L85 PathProgramCache]: Analyzing trace with hash 1418275072, now seen corresponding path program 2 times [2022-01-18 00:36:37,563 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:36:37,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523039996] [2022-01-18 00:36:37,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:36:37,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:36:37,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:36:37,685 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:36:37,686 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:36:37,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523039996] [2022-01-18 00:36:37,686 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523039996] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:36:37,686 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:36:37,686 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-18 00:36:37,686 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333956318] [2022-01-18 00:36:37,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:36:37,686 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-18 00:36:37,686 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:36:37,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-18 00:36:37,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-01-18 00:36:37,687 INFO L87 Difference]: Start difference. First operand 322330 states and 2084525 transitions. Second operand has 6 states, 6 states have (on average 21.0) internal successors, (126), 6 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:36:45,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:36:45,936 INFO L93 Difference]: Finished difference Result 465906 states and 2948472 transitions. [2022-01-18 00:36:45,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-18 00:36:45,936 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 21.0) internal successors, (126), 6 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2022-01-18 00:36:45,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:36:54,408 INFO L225 Difference]: With dead ends: 465906 [2022-01-18 00:36:54,409 INFO L226 Difference]: Without dead ends: 462396 [2022-01-18 00:36:54,409 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-01-18 00:36:54,423 INFO L933 BasicCegarLoop]: 162 mSDtfsCounter, 285 mSDsluCounter, 520 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 628 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 00:36:54,424 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [285 Valid, 628 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 00:36:55,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462396 states. [2022-01-18 00:37:11,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462396 to 336712. [2022-01-18 00:37:12,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 336712 states, 336711 states have (on average 6.463979495769369) internal successors, (2176493), 336711 states have internal predecessors, (2176493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:37:16,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336712 states to 336712 states and 2176493 transitions. [2022-01-18 00:37:16,801 INFO L78 Accepts]: Start accepts. Automaton has 336712 states and 2176493 transitions. Word has length 126 [2022-01-18 00:37:16,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:37:16,801 INFO L470 AbstractCegarLoop]: Abstraction has 336712 states and 2176493 transitions. [2022-01-18 00:37:16,801 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.0) internal successors, (126), 6 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:37:16,801 INFO L276 IsEmpty]: Start isEmpty. Operand 336712 states and 2176493 transitions. [2022-01-18 00:37:18,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-01-18 00:37:18,872 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:37:18,872 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 00:37:18,872 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-01-18 00:37:18,872 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-01-18 00:37:18,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:37:18,872 INFO L85 PathProgramCache]: Analyzing trace with hash -276745420, now seen corresponding path program 2 times [2022-01-18 00:37:18,873 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:37:18,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303685779] [2022-01-18 00:37:18,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:37:18,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:37:18,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:37:19,108 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:37:19,109 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:37:19,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303685779] [2022-01-18 00:37:19,109 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303685779] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:37:19,109 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:37:19,109 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-18 00:37:19,109 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189308054] [2022-01-18 00:37:19,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:37:19,109 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-18 00:37:19,109 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:37:19,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-18 00:37:19,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-01-18 00:37:19,110 INFO L87 Difference]: Start difference. First operand 336712 states and 2176493 transitions. Second operand has 7 states, 7 states have (on average 18.0) internal successors, (126), 7 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:37:26,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:37:26,664 INFO L93 Difference]: Finished difference Result 390041 states and 2519249 transitions. [2022-01-18 00:37:26,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-18 00:37:26,664 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.0) internal successors, (126), 7 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2022-01-18 00:37:26,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:37:33,338 INFO L225 Difference]: With dead ends: 390041 [2022-01-18 00:37:33,339 INFO L226 Difference]: Without dead ends: 390041 [2022-01-18 00:37:33,339 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-01-18 00:37:33,339 INFO L933 BasicCegarLoop]: 142 mSDtfsCounter, 369 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 369 SdHoareTripleChecker+Valid, 479 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-18 00:37:33,340 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [369 Valid, 479 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-18 00:37:33,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390041 states. [2022-01-18 00:37:49,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390041 to 374776. [2022-01-18 00:37:50,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 374776 states, 374775 states have (on average 6.476750050030018) internal successors, (2427324), 374775 states have internal predecessors, (2427324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:37:55,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374776 states to 374776 states and 2427324 transitions. [2022-01-18 00:37:55,375 INFO L78 Accepts]: Start accepts. Automaton has 374776 states and 2427324 transitions. Word has length 126 [2022-01-18 00:37:55,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:37:55,376 INFO L470 AbstractCegarLoop]: Abstraction has 374776 states and 2427324 transitions. [2022-01-18 00:37:55,376 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.0) internal successors, (126), 7 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:37:55,376 INFO L276 IsEmpty]: Start isEmpty. Operand 374776 states and 2427324 transitions. [2022-01-18 00:37:57,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-01-18 00:37:57,906 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:37:57,906 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 00:37:57,907 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-01-18 00:37:57,907 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-01-18 00:37:57,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:37:57,907 INFO L85 PathProgramCache]: Analyzing trace with hash -1905382040, now seen corresponding path program 1 times [2022-01-18 00:37:57,907 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:37:57,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591440741] [2022-01-18 00:37:57,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:37:57,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:37:57,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:37:58,415 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:37:58,415 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:37:58,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591440741] [2022-01-18 00:37:58,415 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591440741] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 00:37:58,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1290721094] [2022-01-18 00:37:58,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:37:58,415 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 00:37:58,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 00:37:58,428 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 00:37:58,484 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-01-18 00:37:58,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:37:58,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 17 conjunts are in the unsatisfiable core [2022-01-18 00:37:58,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 00:38:16,615 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:38:16,615 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 00:38:29,804 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:38:29,804 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1290721094] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 00:38:29,804 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 00:38:29,804 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 27 [2022-01-18 00:38:29,805 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414131872] [2022-01-18 00:38:29,805 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 00:38:29,808 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 00:38:29,808 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:38:29,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 00:38:29,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=552, Unknown=1, NotChecked=0, Total=702 [2022-01-18 00:38:29,809 INFO L87 Difference]: Start difference. First operand 374776 states and 2427324 transitions. Second operand has 27 states, 27 states have (on average 10.25925925925926) internal successors, (277), 27 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:38:32,334 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 00:38:34,852 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 00:38:37,654 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 00:38:39,666 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 00:38:41,674 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 00:38:44,085 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 00:38:45,381 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 00:38:49,038 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 00:38:57,647 WARN L228 SmtUtils]: Spent 6.90s on a formula simplification. DAG size of input: 58 DAG size of output: 35 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-01-18 00:38:59,906 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 00:39:01,914 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 00:39:10,203 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 00:39:12,211 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 00:39:14,220 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 00:39:18,579 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 00:39:20,588 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 00:39:22,596 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 00:39:34,592 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 00:39:38,879 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 00:39:40,908 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 00:39:42,937 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 00:39:44,943 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 00:39:48,473 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 00:39:50,801 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 00:39:52,809 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 00:39:54,843 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 00:39:56,023 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 00:39:58,431 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 00:40:07,452 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 00:40:09,468 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 00:40:11,477 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 00:40:13,488 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 00:40:21,295 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 00:40:23,895 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 00:40:31,729 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 00:40:34,033 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 00:40:35,468 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 00:40:38,707 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 00:40:40,713 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 00:40:42,544 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 00:40:45,067 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 00:40:46,697 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 00:40:48,710 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 00:40:50,978 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 00:40:53,597 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 00:40:54,673 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 00:40:56,678 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 00:41:02,810 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 00:41:05,530 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 00:41:07,453 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 00:41:10,900 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 00:41:12,931 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 00:41:15,693 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 00:41:18,501 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 00:41:20,608 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 00:41:26,014 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 00:41:28,021 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 00:41:30,028 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 00:41:32,198 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 00:41:35,035 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 00:41:37,047 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 00:41:39,514 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 00:41:42,371 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 00:41:44,379 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 00:41:46,390 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 00:41:49,142 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 00:41:52,584 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 00:42:10,120 WARN L228 SmtUtils]: Spent 10.91s on a formula simplification. DAG size of input: 105 DAG size of output: 97 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-01-18 00:42:15,122 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 00:42:20,019 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 00:42:21,219 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 00:42:22,838 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 00:42:25,425 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 00:42:27,431 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 00:42:30,371 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] Received shutdown request... [2022-01-18 00:42:50,147 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-01-18 00:42:50,159 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-01-18 00:42:50,868 WARN L244 SmtUtils]: Removed 9 from assertion stack [2022-01-18 00:42:50,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-18 00:42:50,869 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 241 SyntacticMatches, 3 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 590 ImplicationChecksByTransitivity, 89.5s TimeCoverageRelationStatistics Valid=400, Invalid=1564, Unknown=16, NotChecked=0, Total=1980 [2022-01-18 00:42:50,869 INFO L933 BasicCegarLoop]: 178 mSDtfsCounter, 1237 mSDsluCounter, 2367 mSDsCounter, 0 mSdLazyCounter, 1955 mSolverCounterSat, 87 mSolverCounterUnsat, 56 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 179.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1237 SdHoareTripleChecker+Valid, 2392 SdHoareTripleChecker+Invalid, 2098 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 1955 IncrementalHoareTripleChecker+Invalid, 56 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 180.2s IncrementalHoareTripleChecker+Time [2022-01-18 00:42:50,869 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1237 Valid, 2392 Invalid, 2098 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 1955 Invalid, 56 Unknown, 0 Unchecked, 180.2s Time] [2022-01-18 00:42:50,870 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 7 remaining) [2022-01-18 00:42:50,894 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-01-18 00:42:51,070 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-01-18 00:42:51,071 WARN L594 AbstractCegarLoop]: Verification canceled: while BasicCegarLoop was constructing difference of abstraction (374776states) and FLOYD_HOARE automaton (currently 29 states, 27 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 107 for 10330ms.. [2022-01-18 00:42:51,073 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (5 of 7 remaining) [2022-01-18 00:42:51,073 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (4 of 7 remaining) [2022-01-18 00:42:51,073 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (3 of 7 remaining) [2022-01-18 00:42:51,076 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION (2 of 7 remaining) [2022-01-18 00:42:51,076 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr4INUSE_VIOLATION (1 of 7 remaining) [2022-01-18 00:42:51,077 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr5INUSE_VIOLATION (0 of 7 remaining) [2022-01-18 00:42:51,078 INFO L732 BasicCegarLoop]: Path program histogram: [2, 2, 2, 2, 1, 1, 1, 1, 1] [2022-01-18 00:42:51,080 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-18 00:42:51,080 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-18 00:42:51,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.01 12:42:51 BasicIcfg [2022-01-18 00:42:51,082 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-18 00:42:51,083 INFO L158 Benchmark]: Toolchain (without parser) took 655281.79ms. Allocated memory was 448.8MB in the beginning and 16.0GB in the end (delta: 15.6GB). Free memory was 395.8MB in the beginning and 12.0GB in the end (delta: -11.6GB). Peak memory consumption was 4.0GB. Max. memory is 16.0GB. [2022-01-18 00:42:51,083 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 448.8MB. Free memory is still 412.3MB. There was no memory consumed. Max. memory is 16.0GB. [2022-01-18 00:42:51,085 INFO L158 Benchmark]: CACSL2BoogieTranslator took 210.79ms. Allocated memory is still 448.8MB. Free memory was 395.7MB in the beginning and 420.5MB in the end (delta: -24.9MB). Peak memory consumption was 10.6MB. Max. memory is 16.0GB. [2022-01-18 00:42:51,085 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.94ms. Allocated memory is still 448.8MB. Free memory was 419.5MB in the beginning and 418.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-18 00:42:51,087 INFO L158 Benchmark]: Boogie Preprocessor took 33.90ms. Allocated memory is still 448.8MB. Free memory was 418.4MB in the beginning and 416.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-18 00:42:51,087 INFO L158 Benchmark]: RCFGBuilder took 308.84ms. Allocated memory is still 448.8MB. Free memory was 416.3MB in the beginning and 399.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. [2022-01-18 00:42:51,094 INFO L158 Benchmark]: TraceAbstraction took 654700.19ms. Allocated memory was 448.8MB in the beginning and 16.0GB in the end (delta: 15.6GB). Free memory was 399.6MB in the beginning and 12.0GB in the end (delta: -11.6GB). Peak memory consumption was 4.0GB. Max. memory is 16.0GB. [2022-01-18 00:42:51,095 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 448.8MB. Free memory is still 412.3MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 210.79ms. Allocated memory is still 448.8MB. Free memory was 395.7MB in the beginning and 420.5MB in the end (delta: -24.9MB). Peak memory consumption was 10.6MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 23.94ms. Allocated memory is still 448.8MB. Free memory was 419.5MB in the beginning and 418.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 33.90ms. Allocated memory is still 448.8MB. Free memory was 418.4MB in the beginning and 416.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 308.84ms. Allocated memory is still 448.8MB. Free memory was 416.3MB in the beginning and 399.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. * TraceAbstraction took 654700.19ms. Allocated memory was 448.8MB in the beginning and 16.0GB in the end (delta: 15.6GB). Free memory was 399.6MB in the beginning and 12.0GB in the end (delta: -11.6GB). Peak memory consumption was 4.0GB. Max. memory is 16.0GB. * 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 - TimeoutResultAtElement [Line: 114]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while BasicCegarLoop was constructing difference of abstraction (374776states) and FLOYD_HOARE automaton (currently 29 states, 27 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 107 for 10330ms.. - TimeoutResultAtElement [Line: 101]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was constructing difference of abstraction (374776states) and FLOYD_HOARE automaton (currently 29 states, 27 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 107 for 10330ms.. - TimeoutResultAtElement [Line: 105]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was constructing difference of abstraction (374776states) and FLOYD_HOARE automaton (currently 29 states, 27 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 107 for 10330ms.. - TimeoutResultAtElement [Line: 100]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was constructing difference of abstraction (374776states) and FLOYD_HOARE automaton (currently 29 states, 27 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 107 for 10330ms.. - TimeoutResultAtElement [Line: 102]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was constructing difference of abstraction (374776states) and FLOYD_HOARE automaton (currently 29 states, 27 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 107 for 10330ms.. - TimeoutResultAtElement [Line: 104]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was constructing difference of abstraction (374776states) and FLOYD_HOARE automaton (currently 29 states, 27 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 107 for 10330ms.. - TimeoutResultAtElement [Line: 103]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was constructing difference of abstraction (374776states) and FLOYD_HOARE automaton (currently 29 states, 27 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 107 for 10330ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 13 procedures, 192 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 654.6s, OverallIterations: 13, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 17.1s, AutomataDifference: 398.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 56 mSolverCounterUnknown, 6725 SdHoareTripleChecker+Valid, 183.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6725 mSDsluCounter, 9265 SdHoareTripleChecker+Invalid, 181.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8124 mSDsCounter, 187 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4547 IncrementalHoareTripleChecker+Invalid, 4790 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 187 mSolverCounterUnsat, 1946 mSDtfsCounter, 4547 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1395 GetRequests, 1242 SyntacticMatches, 11 SemanticMatches, 141 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 733 ImplicationChecksByTransitivity, 90.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=374776occurred in iteration=12, InterpolantAutomatonStates: 97, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 195.9s AutomataMinimizationTime, 12 MinimizatonAttempts, 1517566 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 35.9s InterpolantComputationTime, 2268 NumberOfCodeBlocks, 2268 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 2877 ConstructedInterpolants, 0 QuantifiedInterpolants, 42578 SizeOfPredicates, 75 NumberOfNonLiveVariables, 1878 ConjunctsInSsa, 45 ConjunctsInUnsatCore, 23 InterpolantComputations, 8 PerfectInterpolantSequences, 6/24 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown