/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe.epf -i ../../../trunk/examples/svcomp/ldv-races/race-2_5-container_of.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-7bb8cbd [2020-10-15 22:32:57,956 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 22:32:57,959 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 22:32:57,988 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 22:32:57,988 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 22:32:57,996 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 22:32:57,998 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 22:32:58,002 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 22:32:58,004 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 22:32:58,008 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 22:32:58,009 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 22:32:58,010 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 22:32:58,010 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 22:32:58,012 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 22:32:58,014 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 22:32:58,016 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 22:32:58,017 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 22:32:58,018 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 22:32:58,020 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 22:32:58,027 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 22:32:58,029 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 22:32:58,029 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 22:32:58,030 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 22:32:58,031 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 22:32:58,043 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 22:32:58,043 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 22:32:58,045 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 22:32:58,046 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 22:32:58,046 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 22:32:58,047 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 22:32:58,047 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 22:32:58,048 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 22:32:58,050 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 22:32:58,051 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 22:32:58,052 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 22:32:58,052 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 22:32:58,053 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 22:32:58,053 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 22:32:58,058 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 22:32:58,059 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 22:32:58,060 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 22:32:58,060 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-SemanticLbe.epf [2020-10-15 22:32:58,083 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 22:32:58,083 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 22:32:58,084 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 22:32:58,085 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 22:32:58,085 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 22:32:58,085 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 22:32:58,085 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 22:32:58,085 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 22:32:58,085 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 22:32:58,086 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 22:32:58,086 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 22:32:58,086 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 22:32:58,086 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 22:32:58,086 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 22:32:58,087 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 22:32:58,087 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 22:32:58,087 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 22:32:58,087 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 22:32:58,087 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 22:32:58,087 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 22:32:58,088 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 22:32:58,088 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 22:32:58,088 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 22:32:58,088 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 22:32:58,089 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 22:32:58,089 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 22:32:58,089 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 22:32:58,089 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 22:32:58,089 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-15 22:32:58,381 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 22:32:58,395 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 22:32:58,398 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 22:32:58,399 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 22:32:58,399 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 22:32:58,399 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_5-container_of.i [2020-10-15 22:32:58,455 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f0f50a5b/d8c27bdf5fe44038b004b7482870c560/FLAG8694fea3f [2020-10-15 22:32:59,031 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 22:32:59,031 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_5-container_of.i [2020-10-15 22:32:59,050 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f0f50a5b/d8c27bdf5fe44038b004b7482870c560/FLAG8694fea3f [2020-10-15 22:32:59,273 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f0f50a5b/d8c27bdf5fe44038b004b7482870c560 [2020-10-15 22:32:59,280 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 22:32:59,282 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-15 22:32:59,283 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 22:32:59,283 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 22:32:59,287 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 22:32:59,288 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:32:59" (1/1) ... [2020-10-15 22:32:59,290 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7aeaf3d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:32:59, skipping insertion in model container [2020-10-15 22:32:59,291 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:32:59" (1/1) ... [2020-10-15 22:32:59,298 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 22:32:59,372 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 22:33:00,122 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 22:33:00,131 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 22:33:00,189 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 22:33:00,617 INFO L208 MainTranslator]: Completed translation [2020-10-15 22:33:00,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:33:00 WrapperNode [2020-10-15 22:33:00,619 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 22:33:00,620 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-15 22:33:00,620 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-15 22:33:00,620 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-15 22:33:00,629 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:33:00" (1/1) ... [2020-10-15 22:33:00,671 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:33:00" (1/1) ... [2020-10-15 22:33:00,702 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-15 22:33:00,703 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 22:33:00,703 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 22:33:00,703 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 22:33:00,712 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:33:00" (1/1) ... [2020-10-15 22:33:00,713 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:33:00" (1/1) ... [2020-10-15 22:33:00,718 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:33:00" (1/1) ... [2020-10-15 22:33:00,718 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:33:00" (1/1) ... [2020-10-15 22:33:00,738 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:33:00" (1/1) ... [2020-10-15 22:33:00,741 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:33:00" (1/1) ... [2020-10-15 22:33:00,746 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:33:00" (1/1) ... [2020-10-15 22:33:00,754 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 22:33:00,755 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 22:33:00,755 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 22:33:00,755 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 22:33:00,756 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:33:00" (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 [2020-10-15 22:33:00,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 22:33:00,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-15 22:33:00,820 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-15 22:33:00,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-15 22:33:00,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 22:33:00,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 22:33:00,821 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2020-10-15 22:33:00,821 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2020-10-15 22:33:00,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 22:33:00,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 22:33:00,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-15 22:33:00,823 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-15 22:33:01,465 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 22:33:01,465 INFO L298 CfgBuilder]: Removed 24 assume(true) statements. [2020-10-15 22:33:01,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:33:01 BoogieIcfgContainer [2020-10-15 22:33:01,467 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 22:33:01,468 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 22:33:01,469 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 22:33:01,472 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 22:33:01,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 10:32:59" (1/3) ... [2020-10-15 22:33:01,473 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@491d354d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:33:01, skipping insertion in model container [2020-10-15 22:33:01,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:33:00" (2/3) ... [2020-10-15 22:33:01,473 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@491d354d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:33:01, skipping insertion in model container [2020-10-15 22:33:01,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:33:01" (3/3) ... [2020-10-15 22:33:01,475 INFO L111 eAbstractionObserver]: Analyzing ICFG race-2_5-container_of.i [2020-10-15 22:33:01,486 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-15 22:33:01,487 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-15 22:33:01,495 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2020-10-15 22:33:01,496 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-15 22:33:01,525 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,525 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,525 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,526 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,526 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,526 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,526 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,526 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,527 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,527 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,527 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,527 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,527 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,527 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,528 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,528 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,528 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,528 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,529 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,529 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,529 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,529 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,530 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,530 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,530 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,530 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,530 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,531 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,531 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,531 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,531 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,532 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,532 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,532 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,532 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,532 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,533 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,533 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,533 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,533 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,534 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,534 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,534 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,534 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,534 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,535 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,535 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,535 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,535 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,535 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,536 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,536 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,536 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,536 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,536 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,536 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,537 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,537 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,537 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,538 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,538 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,538 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,538 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,538 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,539 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,539 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,539 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,539 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,540 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,540 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,543 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,544 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,544 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,544 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,544 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,544 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,545 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,545 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,545 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,545 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,545 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,546 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,553 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,553 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,553 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,553 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,554 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,554 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,554 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,554 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,555 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,555 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,555 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,555 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:33:01,579 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-10-15 22:33:01,596 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-15 22:33:01,597 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-15 22:33:01,597 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-15 22:33:01,597 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 22:33:01,597 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 22:33:01,597 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-15 22:33:01,597 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 22:33:01,597 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 22:33:01,613 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-15 22:33:01,615 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 153 places, 157 transitions, 336 flow [2020-10-15 22:33:01,618 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 153 places, 157 transitions, 336 flow [2020-10-15 22:33:01,620 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 153 places, 157 transitions, 336 flow [2020-10-15 22:33:01,697 INFO L129 PetriNetUnfolder]: 13/215 cut-off events. [2020-10-15 22:33:01,697 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-15 22:33:01,703 INFO L80 FinitePrefix]: Finished finitePrefix Result has 226 conditions, 215 events. 13/215 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 443 event pairs, 0 based on Foata normal form. 0/191 useless extension candidates. Maximal degree in co-relation 97. Up to 4 conditions per place. [2020-10-15 22:33:01,708 INFO L117 LiptonReduction]: Number of co-enabled transitions 4004 [2020-10-15 22:33:01,955 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:33:01,975 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:33:01,979 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:33:01,993 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:33:01,994 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-15 22:33:01,995 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:95, output treesize:67 [2020-10-15 22:33:02,094 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:33:02,120 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:33:02,124 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:33:02,142 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:33:02,143 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-15 22:33:02,144 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:110, output treesize:112 [2020-10-15 22:33:02,157 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:33:02,179 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:33:02,183 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:33:02,201 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:33:02,202 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-15 22:33:02,203 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:110, output treesize:112 [2020-10-15 22:33:04,549 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:33:04,575 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:33:04,580 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:33:04,605 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:33:04,607 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-15 22:33:04,607 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:98, output treesize:100 [2020-10-15 22:33:04,621 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:33:04,643 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:33:04,648 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:33:04,667 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:33:04,668 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-15 22:33:04,668 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:100, output treesize:102 [2020-10-15 22:33:07,016 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:33:07,045 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:33:07,051 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:33:07,073 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:33:07,074 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-15 22:33:07,075 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:110, output treesize:112 [2020-10-15 22:33:07,088 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:33:07,117 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:33:07,121 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:33:07,145 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:33:07,146 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-15 22:33:07,147 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:110, output treesize:112 [2020-10-15 22:33:09,181 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:33:09,204 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:33:09,208 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:33:09,227 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:33:09,228 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-15 22:33:09,229 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:110, output treesize:112 [2020-10-15 22:33:09,243 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:33:09,273 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:33:09,278 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:33:09,298 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:33:09,299 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-15 22:33:09,300 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:110, output treesize:112 [2020-10-15 22:33:11,330 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:33:11,355 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:33:11,359 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:33:11,379 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:33:11,381 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-15 22:33:11,382 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:110, output treesize:112 [2020-10-15 22:33:11,395 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:33:11,423 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:33:11,428 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:33:11,447 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:33:11,448 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-15 22:33:11,449 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:110, output treesize:112 [2020-10-15 22:33:14,240 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:33:14,264 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:33:14,268 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:33:14,285 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:33:14,286 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-15 22:33:14,286 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:100, output treesize:102 [2020-10-15 22:33:14,298 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:33:14,323 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:33:14,326 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:33:14,342 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:33:14,343 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-15 22:33:14,344 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:104, output treesize:106 [2020-10-15 22:33:17,122 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:33:17,146 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:33:17,150 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:33:17,170 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:33:17,171 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-15 22:33:17,171 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-10-15 22:33:17,184 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:33:17,206 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:33:17,210 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:33:17,230 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:33:17,231 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-15 22:33:17,232 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-10-15 22:33:19,263 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:33:19,282 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:33:19,285 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:33:19,300 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:33:19,301 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-15 22:33:19,301 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:110, output treesize:112 [2020-10-15 22:33:19,310 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:33:19,331 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:33:19,341 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:33:19,360 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:33:19,361 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-15 22:33:19,362 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:110, output treesize:112 [2020-10-15 22:33:21,413 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:33:21,429 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:33:21,431 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:33:21,451 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:33:21,451 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-15 22:33:21,452 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:99, output treesize:71 [2020-10-15 22:33:21,533 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:33:21,556 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:33:21,559 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:33:21,573 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:33:21,574 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-15 22:33:21,575 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:110, output treesize:112 [2020-10-15 22:33:21,584 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:33:21,614 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:33:21,618 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:33:21,636 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:33:21,637 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-15 22:33:21,638 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:110, output treesize:112 [2020-10-15 22:33:24,206 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-10-15 22:33:24,219 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:33:24,291 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:33:24,298 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-15 22:33:24,375 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 22:33:24,376 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-10-15 22:33:24,376 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:148, output treesize:160 [2020-10-15 22:33:25,282 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-10-15 22:33:25,438 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-10-15 22:33:25,696 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 22:33:25,965 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 22:33:26,424 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 120 [2020-10-15 22:33:26,624 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-15 22:33:27,397 WARN L193 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 118 [2020-10-15 22:33:27,773 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-15 22:33:27,786 INFO L132 LiptonReduction]: Checked pairs total: 10131 [2020-10-15 22:33:27,786 INFO L134 LiptonReduction]: Total number of compositions: 167 [2020-10-15 22:33:27,792 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 45 places, 44 transitions, 110 flow [2020-10-15 22:33:27,825 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 495 states. [2020-10-15 22:33:27,827 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states. [2020-10-15 22:33:27,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-10-15 22:33:27,833 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 22:33:27,834 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-10-15 22:33:27,834 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 22:33:27,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 22:33:27,839 INFO L82 PathProgramCache]: Analyzing trace with hash 17244891, now seen corresponding path program 1 times [2020-10-15 22:33:27,849 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 22:33:27,849 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128902364] [2020-10-15 22:33:27,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 22:33:28,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 22:33:28,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 22:33:28,273 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128902364] [2020-10-15 22:33:28,274 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 22:33:28,274 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-15 22:33:28,274 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743599002] [2020-10-15 22:33:28,279 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 22:33:28,279 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 22:33:28,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 22:33:28,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 22:33:28,296 INFO L87 Difference]: Start difference. First operand 495 states. Second operand 3 states. [2020-10-15 22:33:28,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 22:33:28,456 INFO L93 Difference]: Finished difference Result 650 states and 1568 transitions. [2020-10-15 22:33:28,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 22:33:28,459 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-10-15 22:33:28,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 22:33:28,480 INFO L225 Difference]: With dead ends: 650 [2020-10-15 22:33:28,480 INFO L226 Difference]: Without dead ends: 612 [2020-10-15 22:33:28,481 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 22:33:28,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 612 states. [2020-10-15 22:33:28,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 612 to 516. [2020-10-15 22:33:28,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 516 states. [2020-10-15 22:33:28,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 1218 transitions. [2020-10-15 22:33:28,570 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 1218 transitions. Word has length 4 [2020-10-15 22:33:28,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 22:33:28,571 INFO L481 AbstractCegarLoop]: Abstraction has 516 states and 1218 transitions. [2020-10-15 22:33:28,571 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 22:33:28,571 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 1218 transitions. [2020-10-15 22:33:28,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-15 22:33:28,571 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 22:33:28,572 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-15 22:33:28,572 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 22:33:28,572 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 22:33:28,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 22:33:28,573 INFO L82 PathProgramCache]: Analyzing trace with hash -607545483, now seen corresponding path program 1 times [2020-10-15 22:33:28,573 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 22:33:28,573 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176918650] [2020-10-15 22:33:28,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 22:33:28,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 22:33:28,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 22:33:28,649 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176918650] [2020-10-15 22:33:28,649 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 22:33:28,650 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 22:33:28,650 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32787041] [2020-10-15 22:33:28,651 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-15 22:33:28,652 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 22:33:28,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-15 22:33:28,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-15 22:33:28,652 INFO L87 Difference]: Start difference. First operand 516 states and 1218 transitions. Second operand 4 states. [2020-10-15 22:33:28,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 22:33:28,817 INFO L93 Difference]: Finished difference Result 671 states and 1561 transitions. [2020-10-15 22:33:28,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-15 22:33:28,817 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2020-10-15 22:33:28,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 22:33:28,822 INFO L225 Difference]: With dead ends: 671 [2020-10-15 22:33:28,822 INFO L226 Difference]: Without dead ends: 586 [2020-10-15 22:33:28,823 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-15 22:33:28,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 586 states. [2020-10-15 22:33:28,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 586 to 554. [2020-10-15 22:33:28,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 554 states. [2020-10-15 22:33:28,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 1327 transitions. [2020-10-15 22:33:28,875 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 1327 transitions. Word has length 6 [2020-10-15 22:33:28,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 22:33:28,875 INFO L481 AbstractCegarLoop]: Abstraction has 554 states and 1327 transitions. [2020-10-15 22:33:28,875 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-15 22:33:28,875 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 1327 transitions. [2020-10-15 22:33:28,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-15 22:33:28,880 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 22:33:28,880 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 22:33:28,880 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 22:33:28,880 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 22:33:28,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 22:33:28,880 INFO L82 PathProgramCache]: Analyzing trace with hash -1181960415, now seen corresponding path program 1 times [2020-10-15 22:33:28,880 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 22:33:28,881 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174987303] [2020-10-15 22:33:28,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 22:33:28,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 22:33:28,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 22:33:28,991 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174987303] [2020-10-15 22:33:28,991 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 22:33:28,991 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 22:33:28,991 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098728961] [2020-10-15 22:33:28,991 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 22:33:28,992 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 22:33:28,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 22:33:28,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 22:33:28,992 INFO L87 Difference]: Start difference. First operand 554 states and 1327 transitions. Second operand 3 states. [2020-10-15 22:33:29,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 22:33:29,003 INFO L93 Difference]: Finished difference Result 234 states and 479 transitions. [2020-10-15 22:33:29,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 22:33:29,006 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-10-15 22:33:29,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 22:33:29,008 INFO L225 Difference]: With dead ends: 234 [2020-10-15 22:33:29,008 INFO L226 Difference]: Without dead ends: 234 [2020-10-15 22:33:29,008 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 22:33:29,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2020-10-15 22:33:29,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 234. [2020-10-15 22:33:29,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2020-10-15 22:33:29,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 479 transitions. [2020-10-15 22:33:29,016 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 479 transitions. Word has length 10 [2020-10-15 22:33:29,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 22:33:29,019 INFO L481 AbstractCegarLoop]: Abstraction has 234 states and 479 transitions. [2020-10-15 22:33:29,020 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 22:33:29,020 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 479 transitions. [2020-10-15 22:33:29,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-15 22:33:29,028 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 22:33:29,031 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 22:33:29,031 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 22:33:29,031 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 22:33:29,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 22:33:29,031 INFO L82 PathProgramCache]: Analyzing trace with hash 998255413, now seen corresponding path program 1 times [2020-10-15 22:33:29,032 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 22:33:29,032 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942609866] [2020-10-15 22:33:29,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 22:33:29,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 22:33:29,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 22:33:29,145 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942609866] [2020-10-15 22:33:29,145 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 22:33:29,145 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-15 22:33:29,146 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256116659] [2020-10-15 22:33:29,147 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 22:33:29,147 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 22:33:29,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 22:33:29,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 22:33:29,148 INFO L87 Difference]: Start difference. First operand 234 states and 479 transitions. Second operand 3 states. [2020-10-15 22:33:29,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 22:33:29,228 INFO L93 Difference]: Finished difference Result 279 states and 550 transitions. [2020-10-15 22:33:29,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 22:33:29,229 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2020-10-15 22:33:29,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 22:33:29,231 INFO L225 Difference]: With dead ends: 279 [2020-10-15 22:33:29,231 INFO L226 Difference]: Without dead ends: 279 [2020-10-15 22:33:29,231 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 22:33:29,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2020-10-15 22:33:29,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 246. [2020-10-15 22:33:29,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 246 states. [2020-10-15 22:33:29,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 499 transitions. [2020-10-15 22:33:29,238 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 499 transitions. Word has length 16 [2020-10-15 22:33:29,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 22:33:29,238 INFO L481 AbstractCegarLoop]: Abstraction has 246 states and 499 transitions. [2020-10-15 22:33:29,239 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 22:33:29,239 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 499 transitions. [2020-10-15 22:33:29,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-15 22:33:29,240 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 22:33:29,240 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 22:33:29,240 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-15 22:33:29,240 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 22:33:29,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 22:33:29,241 INFO L82 PathProgramCache]: Analyzing trace with hash 881145203, now seen corresponding path program 1 times [2020-10-15 22:33:29,241 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 22:33:29,241 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343218761] [2020-10-15 22:33:29,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 22:33:29,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 22:33:29,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 22:33:29,307 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343218761] [2020-10-15 22:33:29,307 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 22:33:29,307 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-15 22:33:29,307 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184930077] [2020-10-15 22:33:29,308 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 22:33:29,308 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 22:33:29,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 22:33:29,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 22:33:29,309 INFO L87 Difference]: Start difference. First operand 246 states and 499 transitions. Second operand 3 states. [2020-10-15 22:33:29,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 22:33:29,410 INFO L93 Difference]: Finished difference Result 283 states and 556 transitions. [2020-10-15 22:33:29,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 22:33:29,411 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-15 22:33:29,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 22:33:29,413 INFO L225 Difference]: With dead ends: 283 [2020-10-15 22:33:29,413 INFO L226 Difference]: Without dead ends: 283 [2020-10-15 22:33:29,413 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 22:33:29,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2020-10-15 22:33:29,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 258. [2020-10-15 22:33:29,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 258 states. [2020-10-15 22:33:29,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 527 transitions. [2020-10-15 22:33:29,420 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 527 transitions. Word has length 17 [2020-10-15 22:33:29,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 22:33:29,421 INFO L481 AbstractCegarLoop]: Abstraction has 258 states and 527 transitions. [2020-10-15 22:33:29,421 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 22:33:29,421 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 527 transitions. [2020-10-15 22:33:29,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-15 22:33:29,422 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 22:33:29,422 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 22:33:29,422 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-15 22:33:29,423 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 22:33:29,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 22:33:29,423 INFO L82 PathProgramCache]: Analyzing trace with hash -1369692559, now seen corresponding path program 1 times [2020-10-15 22:33:29,423 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 22:33:29,423 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867553056] [2020-10-15 22:33:29,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 22:33:29,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 22:33:29,476 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 22:33:29,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 22:33:29,521 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 22:33:29,569 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-15 22:33:29,570 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-15 22:33:29,570 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-15 22:33:29,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 10:33:29 BasicIcfg [2020-10-15 22:33:29,655 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-15 22:33:29,657 INFO L168 Benchmark]: Toolchain (without parser) took 30374.98 ms. Allocated memory was 251.7 MB in the beginning and 475.0 MB in the end (delta: 223.3 MB). Free memory was 204.1 MB in the beginning and 401.9 MB in the end (delta: -197.9 MB). Peak memory consumption was 25.5 MB. Max. memory is 14.2 GB. [2020-10-15 22:33:29,660 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 251.7 MB. Free memory is still 228.0 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-15 22:33:29,661 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1336.12 ms. Allocated memory was 251.7 MB in the beginning and 358.6 MB in the end (delta: 107.0 MB). Free memory was 204.1 MB in the beginning and 318.2 MB in the end (delta: -114.1 MB). Peak memory consumption was 109.1 MB. Max. memory is 14.2 GB. [2020-10-15 22:33:29,664 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.19 ms. Allocated memory is still 358.6 MB. Free memory was 318.2 MB in the beginning and 314.9 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 14.2 GB. [2020-10-15 22:33:29,665 INFO L168 Benchmark]: Boogie Preprocessor took 52.11 ms. Allocated memory is still 358.6 MB. Free memory was 314.9 MB in the beginning and 311.5 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 14.2 GB. [2020-10-15 22:33:29,665 INFO L168 Benchmark]: RCFGBuilder took 712.39 ms. Allocated memory is still 358.6 MB. Free memory was 311.5 MB in the beginning and 265.0 MB in the end (delta: 46.5 MB). Peak memory consumption was 46.5 MB. Max. memory is 14.2 GB. [2020-10-15 22:33:29,666 INFO L168 Benchmark]: TraceAbstraction took 28186.26 ms. Allocated memory was 358.6 MB in the beginning and 475.0 MB in the end (delta: 116.4 MB). Free memory was 261.7 MB in the beginning and 401.9 MB in the end (delta: -140.3 MB). There was no memory consumed. Max. memory is 14.2 GB. [2020-10-15 22:33:29,672 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 251.7 MB. Free memory is still 228.0 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 1336.12 ms. Allocated memory was 251.7 MB in the beginning and 358.6 MB in the end (delta: 107.0 MB). Free memory was 204.1 MB in the beginning and 318.2 MB in the end (delta: -114.1 MB). Peak memory consumption was 109.1 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 82.19 ms. Allocated memory is still 358.6 MB. Free memory was 318.2 MB in the beginning and 314.9 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 52.11 ms. Allocated memory is still 358.6 MB. Free memory was 314.9 MB in the beginning and 311.5 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 14.2 GB. * RCFGBuilder took 712.39 ms. Allocated memory is still 358.6 MB. Free memory was 311.5 MB in the beginning and 265.0 MB in the end (delta: 46.5 MB). Peak memory consumption was 46.5 MB. Max. memory is 14.2 GB. * TraceAbstraction took 28186.26 ms. Allocated memory was 358.6 MB in the beginning and 475.0 MB in the end (delta: 116.4 MB). Free memory was 261.7 MB in the beginning and 401.9 MB in the end (delta: -140.3 MB). There was no memory consumed. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 2823 VarBasedMoverChecksPositive, 73 VarBasedMoverChecksNegative, 5 SemBasedMoverChecksPositive, 59 SemBasedMoverChecksNegative, 9 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 19.9s, 204 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 26.1s, 153 PlacesBefore, 45 PlacesAfterwards, 157 TransitionsBefore, 44 TransitionsAfterwards, 4004 CoEnabledTransitionPairs, 7 FixpointIterations, 66 TrivialSequentialCompositions, 69 ConcurrentSequentialCompositions, 4 TrivialYvCompositions, 23 ConcurrentYvCompositions, 5 ChoiceCompositions, 167 TotalNumberOfCompositions, 10131 MoverChecksTotal - CounterExampleResult [Line: 1682]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L1683] 0 pthread_t t1,t2; [L1731] 0 return 0; [L1737] 0 int ret = my_drv_init(); [L1738] COND TRUE 0 ret==0 [L1739] 0 int probe_ret; [L1740] 0 struct my_data data; [L1706] 0 struct device *d = &data->dev; [L1708] 0 data->shared.a = 0 [L1709] 0 data->shared.b = 0 [L1710] 0 int res = __VERIFIER_nondet_int(); [L1711] COND FALSE 0 !(\read(res)) [L1713] FCALL, FORK 0 pthread_create(&t1, ((void *)0), my_callback, (void *)d) VAL [arg={7:24}, t1={6:0}, t2={5:0}] [L1696] 1 struct device *dev = (struct device*)arg; [L1697] 1 struct my_data *data; [L1698] 1 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); [L1698] 1 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) [L1700] 1 data->shared.a = 1 VAL [__mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, t1={6:0}, t2={5:0}] [L1701] EXPR 1 data->shared.b VAL [__mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, data->shared.b=0, dev={7:24}, t1={6:0}, t2={5:0}] [L1701] 1 data->shared.b = data->shared.b + 1 [L1703] 1 return 0; [L1714] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, (void *)d) VAL [\result={0:0}, __mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, t1={6:0}, t2={5:0}] [L1696] 2 struct device *dev = (struct device*)arg; [L1697] 2 struct my_data *data; [L1698] 2 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); [L1698] 2 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) [L1715] 0 return 0; [L1741] 0 probe_ret = my_drv_probe(&data) VAL [\result={0:0}, __mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, t1={6:0}, t2={5:0}] [L1742] COND TRUE 0 probe_ret==0 [L1721] 0 void *status; [L1722] 0 \read(t1) VAL [\result={0:0}, __mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, t1={6:0}, t2={5:0}] [L1722] FCALL, JOIN 1 pthread_join(t1, &status) VAL [\result={0:0}, __mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, t1={6:0}, t2={5:0}] [L1723] 0 data->shared.a = 3 VAL [\result={0:0}, __mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, t1={6:0}, t2={5:0}] [L1700] 2 data->shared.a = 1 VAL [\result={0:0}, __mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, t1={6:0}, t2={5:0}] [L1724] 0 data->shared.b = 3 VAL [\result={0:0}, __mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, t1={6:0}, t2={5:0}] [L1725] 0 data->shared.a [L1682] COND TRUE 0 !expression [L1682] 0 __VERIFIER_error() VAL [\result={0:0}, __mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, t1={6:0}, t2={5:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 132 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 27.9s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 26.2s, HoareTripleCheckerStatistics: 183 SDtfs, 82 SDslu, 100 SDs, 0 SdLazy, 173 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=554occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 186 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 71 NumberOfCodeBlocks, 71 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 48 ConstructedInterpolants, 0 QuantifiedInterpolants, 1470 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 incorrect! Received shutdown request...