/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-keepdead.epf -i ../../../trunk/examples/svcomp/pthread-wmm/thin002_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-e5469eb [2021-01-20 21:29:16,803 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-20 21:29:16,806 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-20 21:29:16,840 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-20 21:29:16,840 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-20 21:29:16,842 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-20 21:29:16,844 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-20 21:29:16,846 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-20 21:29:16,848 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-20 21:29:16,850 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-20 21:29:16,851 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-20 21:29:16,852 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-20 21:29:16,853 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-20 21:29:16,854 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-20 21:29:16,855 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-20 21:29:16,857 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-20 21:29:16,858 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-20 21:29:16,859 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-20 21:29:16,861 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-20 21:29:16,863 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-20 21:29:16,865 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-20 21:29:16,868 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-20 21:29:16,870 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-20 21:29:16,873 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-20 21:29:16,883 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-01-20 21:29:16,892 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-20 21:29:16,894 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-20 21:29:16,895 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-20 21:29:16,896 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-20 21:29:16,897 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-20 21:29:16,898 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-20 21:29:16,899 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-20 21:29:16,899 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-20 21:29:16,900 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-20 21:29:16,901 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-20 21:29:16,901 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-20 21:29:16,902 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-keepdead.epf [2021-01-20 21:29:16,962 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-20 21:29:16,962 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-20 21:29:16,964 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-20 21:29:16,964 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-20 21:29:16,965 INFO L138 SettingsManager]: * Use SBE=true [2021-01-20 21:29:16,965 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-20 21:29:16,965 INFO L138 SettingsManager]: * sizeof long=4 [2021-01-20 21:29:16,965 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-20 21:29:16,965 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-01-20 21:29:16,966 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-20 21:29:16,967 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-20 21:29:16,967 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-20 21:29:16,967 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-20 21:29:16,967 INFO L138 SettingsManager]: * sizeof long double=12 [2021-01-20 21:29:16,968 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-20 21:29:16,968 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-20 21:29:16,968 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-20 21:29:16,968 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-20 21:29:16,968 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-20 21:29:16,969 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-01-20 21:29:16,969 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-20 21:29:16,969 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-20 21:29:16,969 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-20 21:29:16,970 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-20 21:29:16,970 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-20 21:29:16,970 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-20 21:29:16,970 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-20 21:29:16,970 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-01-20 21:29:16,970 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-20 21:29:16,971 INFO L138 SettingsManager]: * Remove dead ends from automaton=false [2021-01-20 21:29:16,971 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2021-01-20 21:29:16,971 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-20 21:29:17,405 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-20 21:29:17,453 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-20 21:29:17,458 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-20 21:29:17,459 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-20 21:29:17,460 INFO L275 PluginConnector]: CDTParser initialized [2021-01-20 21:29:17,461 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/thin002_pso.oepc.i [2021-01-20 21:29:17,543 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95849695b/83bd525137b5442a85ef2c595d5d3c92/FLAG5e905e206 [2021-01-20 21:29:18,344 INFO L306 CDTParser]: Found 1 translation units. [2021-01-20 21:29:18,345 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin002_pso.oepc.i [2021-01-20 21:29:18,365 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95849695b/83bd525137b5442a85ef2c595d5d3c92/FLAG5e905e206 [2021-01-20 21:29:18,577 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95849695b/83bd525137b5442a85ef2c595d5d3c92 [2021-01-20 21:29:18,579 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-20 21:29:18,582 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-01-20 21:29:18,587 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-20 21:29:18,588 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-20 21:29:18,594 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-20 21:29:18,595 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.01 09:29:18" (1/1) ... [2021-01-20 21:29:18,599 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73db5d64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 09:29:18, skipping insertion in model container [2021-01-20 21:29:18,599 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.01 09:29:18" (1/1) ... [2021-01-20 21:29:18,612 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-20 21:29:18,677 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-20 21:29:19,089 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-20 21:29:19,105 INFO L203 MainTranslator]: Completed pre-run [2021-01-20 21:29:19,172 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-20 21:29:19,264 INFO L208 MainTranslator]: Completed translation [2021-01-20 21:29:19,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 09:29:19 WrapperNode [2021-01-20 21:29:19,265 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-20 21:29:19,266 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-20 21:29:19,266 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-20 21:29:19,266 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-20 21:29:19,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 09:29:19" (1/1) ... [2021-01-20 21:29:19,292 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 09:29:19" (1/1) ... [2021-01-20 21:29:19,317 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-20 21:29:19,318 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-20 21:29:19,318 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-20 21:29:19,318 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-20 21:29:19,328 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 09:29:19" (1/1) ... [2021-01-20 21:29:19,328 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 09:29:19" (1/1) ... [2021-01-20 21:29:19,332 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 09:29:19" (1/1) ... [2021-01-20 21:29:19,332 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 09:29:19" (1/1) ... [2021-01-20 21:29:19,357 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 09:29:19" (1/1) ... [2021-01-20 21:29:19,365 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 09:29:19" (1/1) ... [2021-01-20 21:29:19,368 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 09:29:19" (1/1) ... [2021-01-20 21:29:19,376 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-20 21:29:19,377 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-20 21:29:19,377 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-20 21:29:19,377 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-20 21:29:19,378 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 09:29:19" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-20 21:29:19,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-20 21:29:19,479 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-01-20 21:29:19,479 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-20 21:29:19,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-20 21:29:19,479 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-01-20 21:29:19,480 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-01-20 21:29:19,480 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-01-20 21:29:19,480 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-01-20 21:29:19,480 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-01-20 21:29:19,480 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-01-20 21:29:19,480 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-01-20 21:29:19,481 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-01-20 21:29:19,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-20 21:29:19,481 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-01-20 21:29:19,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-20 21:29:19,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-20 21:29:19,483 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-01-20 21:29:19,932 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-20 21:29:19,932 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2021-01-20 21:29:19,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.01 09:29:19 BoogieIcfgContainer [2021-01-20 21:29:19,935 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-20 21:29:19,937 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-20 21:29:19,937 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-20 21:29:19,940 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-20 21:29:19,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.01 09:29:18" (1/3) ... [2021-01-20 21:29:19,941 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@195019e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.01 09:29:19, skipping insertion in model container [2021-01-20 21:29:19,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 09:29:19" (2/3) ... [2021-01-20 21:29:19,942 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@195019e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.01 09:29:19, skipping insertion in model container [2021-01-20 21:29:19,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.01 09:29:19" (3/3) ... [2021-01-20 21:29:19,944 INFO L111 eAbstractionObserver]: Analyzing ICFG thin002_pso.oepc.i [2021-01-20 21:29:19,961 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-01-20 21:29:19,961 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-20 21:29:19,965 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-20 21:29:19,966 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-01-20 21:29:20,004 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 21:29:20,004 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 21:29:20,004 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 21:29:20,004 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 21:29:20,005 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 21:29:20,005 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 21:29:20,005 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 21:29:20,005 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 21:29:20,006 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 21:29:20,006 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 21:29:20,007 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 21:29:20,007 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 21:29:20,007 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 21:29:20,007 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 21:29:20,008 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 21:29:20,008 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 21:29:20,008 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 21:29:20,008 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 21:29:20,008 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 21:29:20,009 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 21:29:20,009 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 21:29:20,009 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 21:29:20,010 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 21:29:20,010 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 21:29:20,010 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 21:29:20,011 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 21:29:20,011 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 21:29:20,011 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 21:29:20,011 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 21:29:20,011 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 21:29:20,012 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 21:29:20,012 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 21:29:20,012 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 21:29:20,012 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 21:29:20,013 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 21:29:20,013 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 21:29:20,013 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 21:29:20,014 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 21:29:20,014 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 21:29:20,014 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 21:29:20,014 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 21:29:20,014 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 21:29:20,015 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 21:29:20,015 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 21:29:20,015 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 21:29:20,015 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 21:29:20,016 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 21:29:20,016 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 21:29:20,018 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 21:29:20,019 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 21:29:20,019 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 21:29:20,019 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 21:29:20,026 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 21:29:20,026 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 21:29:20,026 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 21:29:20,027 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 21:29:20,029 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 21:29:20,029 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 21:29:20,029 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 21:29:20,030 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 21:29:20,032 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 21:29:20,032 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 21:29:20,032 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 21:29:20,033 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 21:29:20,034 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-01-20 21:29:20,049 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-01-20 21:29:20,073 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-20 21:29:20,073 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-20 21:29:20,073 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-20 21:29:20,073 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-20 21:29:20,073 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-20 21:29:20,074 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-20 21:29:20,074 INFO L383 AbstractCegarLoop]: Minimize is NONE [2021-01-20 21:29:20,074 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-20 21:29:20,087 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 105 places, 95 transitions, 210 flow [2021-01-20 21:29:33,794 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 73649 states, 73647 states have (on average 4.471315871658044) internal successors, (329299), 73648 states have internal predecessors, (329299), 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) [2021-01-20 21:29:34,107 INFO L276 IsEmpty]: Start isEmpty. Operand has 73649 states, 73647 states have (on average 4.471315871658044) internal successors, (329299), 73648 states have internal predecessors, (329299), 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) [2021-01-20 21:29:34,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-01-20 21:29:34,314 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 21:29:34,316 INFO L504 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] [2021-01-20 21:29:34,317 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 21:29:34,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 21:29:34,325 INFO L82 PathProgramCache]: Analyzing trace with hash 207288984, now seen corresponding path program 1 times [2021-01-20 21:29:34,336 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 21:29:34,337 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805618359] [2021-01-20 21:29:34,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 21:29:34,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 21:29:34,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 21:29:34,919 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805618359] [2021-01-20 21:29:34,920 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 21:29:34,920 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-20 21:29:34,922 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642735537] [2021-01-20 21:29:34,935 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-20 21:29:34,935 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 21:29:34,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-20 21:29:34,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-01-20 21:29:35,058 INFO L87 Difference]: Start difference. First operand has 73649 states, 73647 states have (on average 4.471315871658044) internal successors, (329299), 73648 states have internal predecessors, (329299), 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 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 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) [2021-01-20 21:29:37,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 21:29:37,379 INFO L93 Difference]: Finished difference Result 93543 states and 406523 transitions. [2021-01-20 21:29:37,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-20 21:29:37,381 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 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 49 [2021-01-20 21:29:37,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 21:29:37,384 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-01-20 21:29:37,384 INFO L78 Accepts]: Start accepts. Automaton has 93543 states and 406523 transitions. Word has length 49 [2021-01-20 21:29:37,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 21:29:37,386 INFO L481 AbstractCegarLoop]: Abstraction has 93543 states and 406523 transitions. [2021-01-20 21:29:37,387 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 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) [2021-01-20 21:29:37,387 INFO L276 IsEmpty]: Start isEmpty. Operand 93543 states and 406523 transitions. [2021-01-20 21:29:37,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-01-20 21:29:37,481 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 21:29:37,481 INFO L504 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] [2021-01-20 21:29:37,482 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-20 21:29:37,485 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 21:29:37,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 21:29:37,486 INFO L82 PathProgramCache]: Analyzing trace with hash 1595300761, now seen corresponding path program 1 times [2021-01-20 21:29:37,487 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 21:29:37,487 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588423778] [2021-01-20 21:29:37,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 21:29:37,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 21:29:37,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 21:29:37,687 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588423778] [2021-01-20 21:29:37,688 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 21:29:37,688 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-20 21:29:37,688 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903358462] [2021-01-20 21:29:37,690 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-20 21:29:37,690 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 21:29:37,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-20 21:29:37,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-01-20 21:29:37,691 INFO L87 Difference]: Start difference. First operand 93543 states and 406523 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 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) [2021-01-20 21:29:39,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 21:29:39,481 INFO L93 Difference]: Finished difference Result 138623 states and 599247 transitions. [2021-01-20 21:29:39,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-20 21:29:39,482 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 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 51 [2021-01-20 21:29:39,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 21:29:39,490 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-01-20 21:29:39,490 INFO L78 Accepts]: Start accepts. Automaton has 138623 states and 599247 transitions. Word has length 51 [2021-01-20 21:29:39,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 21:29:39,491 INFO L481 AbstractCegarLoop]: Abstraction has 138623 states and 599247 transitions. [2021-01-20 21:29:39,491 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 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) [2021-01-20 21:29:39,491 INFO L276 IsEmpty]: Start isEmpty. Operand 138623 states and 599247 transitions. [2021-01-20 21:29:39,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-01-20 21:29:39,634 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 21:29:39,634 INFO L504 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] [2021-01-20 21:29:39,635 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-20 21:29:39,635 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 21:29:39,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 21:29:39,636 INFO L82 PathProgramCache]: Analyzing trace with hash 103864632, now seen corresponding path program 1 times [2021-01-20 21:29:39,636 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 21:29:39,639 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196616954] [2021-01-20 21:29:39,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 21:29:39,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 21:29:39,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 21:29:39,905 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196616954] [2021-01-20 21:29:39,905 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 21:29:39,905 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-20 21:29:39,905 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790297145] [2021-01-20 21:29:39,906 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-20 21:29:39,906 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 21:29:39,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-20 21:29:39,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-01-20 21:29:39,913 INFO L87 Difference]: Start difference. First operand 138623 states and 599247 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 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) [2021-01-20 21:29:40,395 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2021-01-20 21:29:42,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 21:29:42,899 INFO L93 Difference]: Finished difference Result 217863 states and 936639 transitions. [2021-01-20 21:29:42,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-20 21:29:42,899 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 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 53 [2021-01-20 21:29:42,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 21:29:42,900 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-01-20 21:29:42,901 INFO L78 Accepts]: Start accepts. Automaton has 217863 states and 936639 transitions. Word has length 53 [2021-01-20 21:29:42,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 21:29:42,901 INFO L481 AbstractCegarLoop]: Abstraction has 217863 states and 936639 transitions. [2021-01-20 21:29:42,902 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 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) [2021-01-20 21:29:42,902 INFO L276 IsEmpty]: Start isEmpty. Operand 217863 states and 936639 transitions. [2021-01-20 21:29:43,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-01-20 21:29:43,024 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 21:29:43,024 INFO L504 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] [2021-01-20 21:29:43,024 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-20 21:29:43,024 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 21:29:43,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 21:29:43,025 INFO L82 PathProgramCache]: Analyzing trace with hash 1670743673, now seen corresponding path program 1 times [2021-01-20 21:29:43,025 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 21:29:43,026 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384723514] [2021-01-20 21:29:43,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 21:29:43,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 21:29:43,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 21:29:43,223 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384723514] [2021-01-20 21:29:43,223 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 21:29:43,223 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-20 21:29:43,224 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973219586] [2021-01-20 21:29:43,224 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-20 21:29:43,224 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 21:29:43,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-20 21:29:43,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-01-20 21:29:43,226 INFO L87 Difference]: Start difference. First operand 217863 states and 936639 transitions. Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 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) [2021-01-20 21:29:47,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 21:29:47,653 INFO L93 Difference]: Finished difference Result 316363 states and 1346319 transitions. [2021-01-20 21:29:47,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-01-20 21:29:47,654 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 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 55 [2021-01-20 21:29:47,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 21:29:47,656 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2021-01-20 21:29:47,656 INFO L78 Accepts]: Start accepts. Automaton has 316363 states and 1346319 transitions. Word has length 55 [2021-01-20 21:29:47,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 21:29:47,659 INFO L481 AbstractCegarLoop]: Abstraction has 316363 states and 1346319 transitions. [2021-01-20 21:29:47,659 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 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) [2021-01-20 21:29:47,659 INFO L276 IsEmpty]: Start isEmpty. Operand 316363 states and 1346319 transitions. [2021-01-20 21:29:47,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-01-20 21:29:47,993 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 21:29:47,994 INFO L504 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] [2021-01-20 21:29:47,994 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-20 21:29:47,994 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 21:29:47,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 21:29:47,995 INFO L82 PathProgramCache]: Analyzing trace with hash -1313260234, now seen corresponding path program 1 times [2021-01-20 21:29:47,995 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 21:29:47,996 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910260454] [2021-01-20 21:29:48,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 21:29:48,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 21:29:48,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 21:29:48,211 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910260454] [2021-01-20 21:29:48,211 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 21:29:48,212 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-20 21:29:48,212 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332962931] [2021-01-20 21:29:48,212 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-20 21:29:48,212 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 21:29:48,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-20 21:29:48,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-01-20 21:29:48,214 INFO L87 Difference]: Start difference. First operand 316363 states and 1346319 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 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) [2021-01-20 21:29:54,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 21:29:54,877 INFO L93 Difference]: Finished difference Result 528523 states and 2222927 transitions. [2021-01-20 21:29:54,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-01-20 21:29:54,878 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 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 58 [2021-01-20 21:29:54,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 21:29:54,879 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2021-01-20 21:29:54,879 INFO L78 Accepts]: Start accepts. Automaton has 528523 states and 2222927 transitions. Word has length 58 [2021-01-20 21:29:54,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 21:29:54,880 INFO L481 AbstractCegarLoop]: Abstraction has 528523 states and 2222927 transitions. [2021-01-20 21:29:54,880 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 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) [2021-01-20 21:29:54,880 INFO L276 IsEmpty]: Start isEmpty. Operand 528523 states and 2222927 transitions. [2021-01-20 21:29:56,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-01-20 21:29:56,134 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 21:29:56,134 INFO L504 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] [2021-01-20 21:29:56,135 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-20 21:29:56,135 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 21:29:56,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 21:29:56,135 INFO L82 PathProgramCache]: Analyzing trace with hash 655749958, now seen corresponding path program 1 times [2021-01-20 21:29:56,136 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 21:29:56,136 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202507331] [2021-01-20 21:29:56,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 21:29:56,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 21:29:56,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 21:29:56,483 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202507331] [2021-01-20 21:29:56,483 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 21:29:56,483 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-20 21:29:56,483 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846003900] [2021-01-20 21:29:56,484 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-20 21:29:56,484 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 21:29:56,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-20 21:29:56,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-01-20 21:29:56,485 INFO L87 Difference]: Start difference. First operand 528523 states and 2222927 transitions. Second operand has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 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) [2021-01-20 21:30:05,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 21:30:05,941 INFO L93 Difference]: Finished difference Result 756203 states and 3156231 transitions. [2021-01-20 21:30:05,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-01-20 21:30:05,942 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 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 59 [2021-01-20 21:30:05,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 21:30:05,945 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2021-01-20 21:30:05,945 INFO L78 Accepts]: Start accepts. Automaton has 756203 states and 3156231 transitions. Word has length 59 [2021-01-20 21:30:05,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 21:30:05,947 INFO L481 AbstractCegarLoop]: Abstraction has 756203 states and 3156231 transitions. [2021-01-20 21:30:05,947 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 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) [2021-01-20 21:30:05,947 INFO L276 IsEmpty]: Start isEmpty. Operand 756203 states and 3156231 transitions. [2021-01-20 21:30:06,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-01-20 21:30:06,800 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 21:30:06,800 INFO L504 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] [2021-01-20 21:30:06,801 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-20 21:30:06,801 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 21:30:06,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 21:30:06,801 INFO L82 PathProgramCache]: Analyzing trace with hash 792710772, now seen corresponding path program 1 times [2021-01-20 21:30:06,802 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 21:30:06,802 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701783386] [2021-01-20 21:30:06,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 21:30:06,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 21:30:07,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 21:30:07,018 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701783386] [2021-01-20 21:30:07,019 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 21:30:07,019 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-20 21:30:07,019 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769363416] [2021-01-20 21:30:07,021 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-20 21:30:07,021 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 21:30:07,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-20 21:30:07,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-01-20 21:30:07,023 INFO L87 Difference]: Start difference. First operand 756203 states and 3156231 transitions. Second operand has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 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) [2021-01-20 21:30:19,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 21:30:19,797 INFO L93 Difference]: Finished difference Result 1071563 states and 4443759 transitions. [2021-01-20 21:30:19,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-01-20 21:30:19,798 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 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 60 [2021-01-20 21:30:19,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 21:30:19,799 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2021-01-20 21:30:19,799 INFO L78 Accepts]: Start accepts. Automaton has 1071563 states and 4443759 transitions. Word has length 60 [2021-01-20 21:30:19,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 21:30:19,799 INFO L481 AbstractCegarLoop]: Abstraction has 1071563 states and 4443759 transitions. [2021-01-20 21:30:19,799 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 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) [2021-01-20 21:30:19,799 INFO L276 IsEmpty]: Start isEmpty. Operand 1071563 states and 4443759 transitions. [2021-01-20 21:30:27,092 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-01-20 21:30:27,093 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-20 21:30:27,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.01 09:30:27 BasicIcfg [2021-01-20 21:30:27,100 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-20 21:30:27,103 INFO L168 Benchmark]: Toolchain (without parser) took 68519.90 ms. Allocated memory was 302.0 MB in the beginning and 15.6 GB in the end (delta: 15.3 GB). Free memory was 277.2 MB in the beginning and 7.1 GB in the end (delta: -6.8 GB). Peak memory consumption was 8.7 GB. Max. memory is 16.0 GB. [2021-01-20 21:30:27,112 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 302.0 MB. Free memory was 271.8 MB in the beginning and 271.6 MB in the end (delta: 153.9 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-01-20 21:30:27,113 INFO L168 Benchmark]: CACSL2BoogieTranslator took 677.67 ms. Allocated memory is still 302.0 MB. Free memory was 277.0 MB in the beginning and 245.8 MB in the end (delta: 31.2 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB. [2021-01-20 21:30:27,114 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.27 ms. Allocated memory is still 302.0 MB. Free memory was 245.8 MB in the beginning and 243.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-01-20 21:30:27,114 INFO L168 Benchmark]: Boogie Preprocessor took 57.90 ms. Allocated memory is still 302.0 MB. Free memory was 243.7 MB in the beginning and 284.8 MB in the end (delta: -41.1 MB). Peak memory consumption was 6.6 MB. Max. memory is 16.0 GB. [2021-01-20 21:30:27,115 INFO L168 Benchmark]: RCFGBuilder took 558.25 ms. Allocated memory is still 302.0 MB. Free memory was 284.8 MB in the beginning and 259.5 MB in the end (delta: 25.3 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2021-01-20 21:30:27,119 INFO L168 Benchmark]: TraceAbstraction took 67163.19 ms. Allocated memory was 302.0 MB in the beginning and 15.6 GB in the end (delta: 15.3 GB). Free memory was 259.5 MB in the beginning and 7.1 GB in the end (delta: -6.8 GB). Peak memory consumption was 8.7 GB. Max. memory is 16.0 GB. [2021-01-20 21:30:27,141 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 302.0 MB. Free memory was 271.8 MB in the beginning and 271.6 MB in the end (delta: 153.9 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 677.67 ms. Allocated memory is still 302.0 MB. Free memory was 277.0 MB in the beginning and 245.8 MB in the end (delta: 31.2 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 51.27 ms. Allocated memory is still 302.0 MB. Free memory was 245.8 MB in the beginning and 243.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 57.90 ms. Allocated memory is still 302.0 MB. Free memory was 243.7 MB in the beginning and 284.8 MB in the end (delta: -41.1 MB). Peak memory consumption was 6.6 MB. Max. memory is 16.0 GB. * RCFGBuilder took 558.25 ms. Allocated memory is still 302.0 MB. Free memory was 284.8 MB in the beginning and 259.5 MB in the end (delta: 25.3 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 67163.19 ms. Allocated memory was 302.0 MB in the beginning and 15.6 GB in the end (delta: 15.3 GB). Free memory was 259.5 MB in the beginning and 7.1 GB in the end (delta: -6.8 GB). Peak memory consumption was 8.7 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 17]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 93 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 67.0s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 40.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 13.7s, HoareTripleCheckerStatistics: 1058 SDtfs, 2425 SDslu, 3628 SDs, 0 SdLazy, 255 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 97 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1071563occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 385 NumberOfCodeBlocks, 385 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 378 ConstructedInterpolants, 0 QuantifiedInterpolants, 58732 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 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 proved your program to be correct! Received shutdown request...