/usr/bin/java -Xmx8000000000 -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/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf -i ../../../trunk/examples/svcomp/ldv-races/race-3_2-container_of-global.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b09bf87 [2020-10-16 12:13:18,561 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 12:13:18,564 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 12:13:18,593 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 12:13:18,593 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 12:13:18,594 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 12:13:18,596 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 12:13:18,597 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 12:13:18,599 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 12:13:18,600 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 12:13:18,601 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 12:13:18,602 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 12:13:18,602 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 12:13:18,603 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 12:13:18,604 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 12:13:18,605 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 12:13:18,606 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 12:13:18,612 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 12:13:18,614 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 12:13:18,617 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 12:13:18,622 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 12:13:18,623 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 12:13:18,626 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 12:13:18,627 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 12:13:18,633 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-16 12:13:18,639 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 12:13:18,640 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 12:13:18,641 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 12:13:18,641 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 12:13:18,642 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 12:13:18,643 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 12:13:18,644 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 12:13:18,644 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 12:13:18,645 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 12:13:18,645 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 12:13:18,647 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 12:13:18,648 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf [2020-10-16 12:13:18,695 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 12:13:18,695 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 12:13:18,697 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 12:13:18,697 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 12:13:18,698 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 12:13:18,698 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 12:13:18,698 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 12:13:18,699 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 12:13:18,699 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 12:13:18,699 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 12:13:18,700 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 12:13:18,700 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 12:13:18,701 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 12:13:18,701 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 12:13:18,702 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 12:13:18,702 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 12:13:18,702 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 12:13:18,702 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 12:13:18,702 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 12:13:18,703 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 12:13:18,703 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 12:13:18,703 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 12:13:18,703 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 12:13:18,703 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-16 12:13:18,704 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 12:13:18,704 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 12:13:18,704 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 12:13:18,704 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-16 12:13:18,704 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-16 12:13:19,016 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 12:13:19,027 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 12:13:19,031 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 12:13:19,032 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 12:13:19,032 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 12:13:19,033 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-3_2-container_of-global.i [2020-10-16 12:13:19,095 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9a6932c03/a01bf32c42de45fe840c357d1a88ccac/FLAGb9e823a44 [2020-10-16 12:13:19,685 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 12:13:19,686 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-races/race-3_2-container_of-global.i [2020-10-16 12:13:19,713 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9a6932c03/a01bf32c42de45fe840c357d1a88ccac/FLAGb9e823a44 [2020-10-16 12:13:19,936 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9a6932c03/a01bf32c42de45fe840c357d1a88ccac [2020-10-16 12:13:19,944 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 12:13:19,945 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 12:13:19,946 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 12:13:19,947 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 12:13:19,950 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 12:13:19,951 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:13:19" (1/1) ... [2020-10-16 12:13:19,954 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49a23dfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:13:19, skipping insertion in model container [2020-10-16 12:13:19,954 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:13:19" (1/1) ... [2020-10-16 12:13:19,962 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 12:13:20,032 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 12:13:20,766 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 12:13:20,777 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 12:13:20,841 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 12:13:21,274 INFO L208 MainTranslator]: Completed translation [2020-10-16 12:13:21,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:13:21 WrapperNode [2020-10-16 12:13:21,276 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 12:13:21,278 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 12:13:21,278 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 12:13:21,278 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 12:13:21,287 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:13:21" (1/1) ... [2020-10-16 12:13:21,340 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:13:21" (1/1) ... [2020-10-16 12:13:21,372 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 12:13:21,373 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 12:13:21,373 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 12:13:21,373 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 12:13:21,384 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:13:21" (1/1) ... [2020-10-16 12:13:21,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:13:21" (1/1) ... [2020-10-16 12:13:21,388 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:13:21" (1/1) ... [2020-10-16 12:13:21,389 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:13:21" (1/1) ... [2020-10-16 12:13:21,404 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:13:21" (1/1) ... [2020-10-16 12:13:21,406 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:13:21" (1/1) ... [2020-10-16 12:13:21,411 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:13:21" (1/1) ... [2020-10-16 12:13:21,419 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 12:13:21,420 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 12:13:21,420 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 12:13:21,420 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 12:13:21,421 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:13:21" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-10-16 12:13:21,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 12:13:21,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-16 12:13:21,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-16 12:13:21,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 12:13:21,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 12:13:21,496 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2020-10-16 12:13:21,496 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2020-10-16 12:13:21,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 12:13:21,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 12:13:21,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-16 12:13:21,499 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-16 12:13:22,178 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 12:13:22,178 INFO L298 CfgBuilder]: Removed 24 assume(true) statements. [2020-10-16 12:13:22,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:13:22 BoogieIcfgContainer [2020-10-16 12:13:22,181 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 12:13:22,185 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 12:13:22,185 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 12:13:22,189 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 12:13:22,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 12:13:19" (1/3) ... [2020-10-16 12:13:22,190 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c6621b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:13:22, skipping insertion in model container [2020-10-16 12:13:22,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:13:21" (2/3) ... [2020-10-16 12:13:22,191 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c6621b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:13:22, skipping insertion in model container [2020-10-16 12:13:22,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:13:22" (3/3) ... [2020-10-16 12:13:22,193 INFO L111 eAbstractionObserver]: Analyzing ICFG race-3_2-container_of-global.i [2020-10-16 12:13:22,205 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-16 12:13:22,206 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-16 12:13:22,216 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2020-10-16 12:13:22,217 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 12:13:22,269 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:13:22,269 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:13:22,270 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:13:22,270 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:13:22,270 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:13:22,270 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:13:22,271 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:13:22,271 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:13:22,272 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:13:22,272 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:13:22,273 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:13:22,273 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:13:22,273 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:13:22,273 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:13:22,274 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:13:22,274 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:13:22,274 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:13:22,274 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:13:22,275 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:13:22,275 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:13:22,275 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:13:22,275 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:13:22,276 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:13:22,276 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:13:22,276 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:13:22,276 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:13:22,277 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:13:22,277 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:13:22,277 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:13:22,277 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:13:22,278 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:13:22,278 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:13:22,279 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:13:22,279 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:13:22,280 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:13:22,280 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:13:22,280 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:13:22,281 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:13:22,281 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:13:22,281 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:13:22,282 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:13:22,282 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:13:22,283 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:13:22,285 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:13:22,285 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:13:22,286 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:13:22,294 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:13:22,294 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:13:22,295 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:13:22,295 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:13:22,296 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:13:22,296 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:13:22,297 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:13:22,299 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:13:22,299 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:13:22,305 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:13:22,305 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:13:22,306 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:13:22,306 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:13:22,306 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:13:22,306 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:13:22,307 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:13:22,307 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:13:22,307 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:13:22,319 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-10-16 12:13:22,331 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-10-16 12:13:22,351 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 12:13:22,352 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-16 12:13:22,352 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-16 12:13:22,352 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 12:13:22,352 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 12:13:22,352 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 12:13:22,352 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 12:13:22,353 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 12:13:22,370 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-16 12:13:22,371 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 144 places, 148 transitions, 318 flow [2020-10-16 12:13:22,374 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 144 places, 148 transitions, 318 flow [2020-10-16 12:13:22,376 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 144 places, 148 transitions, 318 flow [2020-10-16 12:13:22,450 INFO L129 PetriNetUnfolder]: 11/186 cut-off events. [2020-10-16 12:13:22,450 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-16 12:13:22,456 INFO L80 FinitePrefix]: Finished finitePrefix Result has 197 conditions, 186 events. 11/186 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 334 event pairs, 0 based on Foata normal form. 0/166 useless extension candidates. Maximal degree in co-relation 104. Up to 4 conditions per place. [2020-10-16 12:13:22,461 INFO L117 LiptonReduction]: Number of co-enabled transitions 1980 [2020-10-16 12:13:23,193 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 12:13:23,218 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 12:13:23,223 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 12:13:23,235 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 12:13:23,237 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 12:13:23,237 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:95, output treesize:67 [2020-10-16 12:13:24,386 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 12:13:24,402 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 12:13:24,409 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 12:13:24,421 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 12:13:24,422 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 12:13:24,423 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:95, output treesize:67 [2020-10-16 12:13:25,292 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 12:13:25,313 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 12:13:25,316 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 12:13:25,329 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 12:13:25,331 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 12:13:25,331 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:102, output treesize:74 [2020-10-16 12:13:25,985 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 76 [2020-10-16 12:13:26,843 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 115 [2020-10-16 12:13:27,040 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-16 12:13:27,574 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 126 [2020-10-16 12:13:27,820 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-16 12:13:28,973 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 140 DAG size of output: 138 [2020-10-16 12:13:29,004 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 12:13:29,504 WARN L193 SmtUtils]: Spent 499.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-16 12:13:29,505 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 12:13:29,516 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 12:13:29,935 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-16 12:13:29,936 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 12:13:29,937 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. [2020-10-16 12:13:29,938 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:267, output treesize:279 [2020-10-16 12:13:30,368 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-16 12:13:30,380 INFO L132 LiptonReduction]: Checked pairs total: 4147 [2020-10-16 12:13:30,381 INFO L134 LiptonReduction]: Total number of compositions: 165 [2020-10-16 12:13:30,405 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 36 places, 34 transitions, 90 flow [2020-10-16 12:13:30,425 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 192 states. [2020-10-16 12:13:30,428 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states. [2020-10-16 12:13:30,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2020-10-16 12:13:30,434 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:13:30,434 INFO L422 BasicCegarLoop]: trace histogram [1] [2020-10-16 12:13:30,435 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]=== [2020-10-16 12:13:30,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:13:30,441 INFO L82 PathProgramCache]: Analyzing trace with hash 544, now seen corresponding path program 1 times [2020-10-16 12:13:30,451 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:13:30,451 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494680995] [2020-10-16 12:13:30,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:13:30,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:13:30,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:13:30,720 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494680995] [2020-10-16 12:13:30,720 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:13:30,721 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2020-10-16 12:13:30,722 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334597521] [2020-10-16 12:13:30,727 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-16 12:13:30,727 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:13:30,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-16 12:13:30,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-16 12:13:30,744 INFO L87 Difference]: Start difference. First operand 192 states. Second operand 2 states. [2020-10-16 12:13:30,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:13:30,784 INFO L93 Difference]: Finished difference Result 190 states and 416 transitions. [2020-10-16 12:13:30,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-16 12:13:30,786 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 1 [2020-10-16 12:13:30,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:13:30,806 INFO L225 Difference]: With dead ends: 190 [2020-10-16 12:13:30,806 INFO L226 Difference]: Without dead ends: 172 [2020-10-16 12:13:30,807 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-16 12:13:30,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2020-10-16 12:13:30,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 172. [2020-10-16 12:13:30,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2020-10-16 12:13:30,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 374 transitions. [2020-10-16 12:13:30,858 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 374 transitions. Word has length 1 [2020-10-16 12:13:30,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:13:30,859 INFO L481 AbstractCegarLoop]: Abstraction has 172 states and 374 transitions. [2020-10-16 12:13:30,859 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-16 12:13:30,859 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 374 transitions. [2020-10-16 12:13:30,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-10-16 12:13:30,859 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:13:30,860 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-10-16 12:13:30,860 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 12:13:30,860 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]=== [2020-10-16 12:13:30,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:13:30,861 INFO L82 PathProgramCache]: Analyzing trace with hash 16594450, now seen corresponding path program 1 times [2020-10-16 12:13:30,861 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:13:30,861 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054614987] [2020-10-16 12:13:30,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:13:30,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:13:31,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:13:31,075 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054614987] [2020-10-16 12:13:31,075 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:13:31,075 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 12:13:31,075 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009341161] [2020-10-16 12:13:31,077 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:13:31,077 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:13:31,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:13:31,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:13:31,078 INFO L87 Difference]: Start difference. First operand 172 states and 374 transitions. Second operand 3 states. [2020-10-16 12:13:31,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:13:31,171 INFO L93 Difference]: Finished difference Result 230 states and 503 transitions. [2020-10-16 12:13:31,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:13:31,172 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-10-16 12:13:31,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:13:31,176 INFO L225 Difference]: With dead ends: 230 [2020-10-16 12:13:31,176 INFO L226 Difference]: Without dead ends: 230 [2020-10-16 12:13:31,177 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 [2020-10-16 12:13:31,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2020-10-16 12:13:31,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 200. [2020-10-16 12:13:31,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2020-10-16 12:13:31,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 444 transitions. [2020-10-16 12:13:31,198 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 444 transitions. Word has length 4 [2020-10-16 12:13:31,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:13:31,198 INFO L481 AbstractCegarLoop]: Abstraction has 200 states and 444 transitions. [2020-10-16 12:13:31,199 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:13:31,199 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 444 transitions. [2020-10-16 12:13:31,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-16 12:13:31,199 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:13:31,199 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-16 12:13:31,200 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 12:13:31,200 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]=== [2020-10-16 12:13:31,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:13:31,200 INFO L82 PathProgramCache]: Analyzing trace with hash 514428411, now seen corresponding path program 1 times [2020-10-16 12:13:31,200 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:13:31,201 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395825737] [2020-10-16 12:13:31,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:13:31,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:13:31,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:13:31,278 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395825737] [2020-10-16 12:13:31,278 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:13:31,278 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 12:13:31,279 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834967400] [2020-10-16 12:13:31,279 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:13:31,279 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:13:31,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:13:31,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:13:31,280 INFO L87 Difference]: Start difference. First operand 200 states and 444 transitions. Second operand 3 states. [2020-10-16 12:13:31,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:13:31,371 INFO L93 Difference]: Finished difference Result 243 states and 536 transitions. [2020-10-16 12:13:31,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:13:31,372 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-10-16 12:13:31,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:13:31,375 INFO L225 Difference]: With dead ends: 243 [2020-10-16 12:13:31,375 INFO L226 Difference]: Without dead ends: 236 [2020-10-16 12:13:31,375 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 [2020-10-16 12:13:31,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2020-10-16 12:13:31,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 221. [2020-10-16 12:13:31,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2020-10-16 12:13:31,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 505 transitions. [2020-10-16 12:13:31,407 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 505 transitions. Word has length 5 [2020-10-16 12:13:31,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:13:31,407 INFO L481 AbstractCegarLoop]: Abstraction has 221 states and 505 transitions. [2020-10-16 12:13:31,408 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:13:31,408 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 505 transitions. [2020-10-16 12:13:31,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-16 12:13:31,412 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:13:31,412 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:13:31,412 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 12:13:31,413 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]=== [2020-10-16 12:13:31,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:13:31,419 INFO L82 PathProgramCache]: Analyzing trace with hash 1038453307, now seen corresponding path program 1 times [2020-10-16 12:13:31,419 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:13:31,419 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660922060] [2020-10-16 12:13:31,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:13:31,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:13:31,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:13:31,522 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660922060] [2020-10-16 12:13:31,522 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:13:31,522 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 12:13:31,522 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182210147] [2020-10-16 12:13:31,523 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:13:31,523 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:13:31,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:13:31,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:13:31,524 INFO L87 Difference]: Start difference. First operand 221 states and 505 transitions. Second operand 3 states. [2020-10-16 12:13:31,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:13:31,566 INFO L93 Difference]: Finished difference Result 86 states and 167 transitions. [2020-10-16 12:13:31,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:13:31,568 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-10-16 12:13:31,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:13:31,569 INFO L225 Difference]: With dead ends: 86 [2020-10-16 12:13:31,569 INFO L226 Difference]: Without dead ends: 86 [2020-10-16 12:13:31,570 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 [2020-10-16 12:13:31,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2020-10-16 12:13:31,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2020-10-16 12:13:31,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2020-10-16 12:13:31,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 167 transitions. [2020-10-16 12:13:31,584 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 167 transitions. Word has length 9 [2020-10-16 12:13:31,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:13:31,584 INFO L481 AbstractCegarLoop]: Abstraction has 86 states and 167 transitions. [2020-10-16 12:13:31,584 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:13:31,585 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 167 transitions. [2020-10-16 12:13:31,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-16 12:13:31,586 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:13:31,586 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:13:31,586 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-16 12:13:31,586 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]=== [2020-10-16 12:13:31,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:13:31,587 INFO L82 PathProgramCache]: Analyzing trace with hash 82727147, now seen corresponding path program 1 times [2020-10-16 12:13:31,587 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:13:31,588 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691961661] [2020-10-16 12:13:31,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:13:31,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:13:31,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:13:31,971 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691961661] [2020-10-16 12:13:31,972 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:13:31,972 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 12:13:31,974 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390017845] [2020-10-16 12:13:31,974 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 12:13:31,974 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:13:31,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 12:13:31,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-16 12:13:31,975 INFO L87 Difference]: Start difference. First operand 86 states and 167 transitions. Second operand 7 states. [2020-10-16 12:13:32,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:13:32,240 INFO L93 Difference]: Finished difference Result 145 states and 268 transitions. [2020-10-16 12:13:32,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 12:13:32,240 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2020-10-16 12:13:32,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:13:32,241 INFO L225 Difference]: With dead ends: 145 [2020-10-16 12:13:32,241 INFO L226 Difference]: Without dead ends: 145 [2020-10-16 12:13:32,242 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-10-16 12:13:32,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2020-10-16 12:13:32,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 103. [2020-10-16 12:13:32,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-10-16 12:13:32,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 191 transitions. [2020-10-16 12:13:32,246 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 191 transitions. Word has length 18 [2020-10-16 12:13:32,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:13:32,247 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 191 transitions. [2020-10-16 12:13:32,247 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 12:13:32,247 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 191 transitions. [2020-10-16 12:13:32,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-16 12:13:32,248 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:13:32,249 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:13:32,249 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-16 12:13:32,249 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]=== [2020-10-16 12:13:32,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:13:32,249 INFO L82 PathProgramCache]: Analyzing trace with hash 82727169, now seen corresponding path program 1 times [2020-10-16 12:13:32,250 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:13:32,250 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070966742] [2020-10-16 12:13:32,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:13:32,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:13:32,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:13:32,885 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070966742] [2020-10-16 12:13:32,885 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:13:32,885 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-16 12:13:32,885 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947247518] [2020-10-16 12:13:32,886 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-16 12:13:32,886 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:13:32,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-16 12:13:32,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-10-16 12:13:32,887 INFO L87 Difference]: Start difference. First operand 103 states and 191 transitions. Second operand 12 states. [2020-10-16 12:13:33,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:13:33,640 INFO L93 Difference]: Finished difference Result 157 states and 266 transitions. [2020-10-16 12:13:33,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-16 12:13:33,641 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 18 [2020-10-16 12:13:33,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:13:33,642 INFO L225 Difference]: With dead ends: 157 [2020-10-16 12:13:33,642 INFO L226 Difference]: Without dead ends: 136 [2020-10-16 12:13:33,642 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2020-10-16 12:13:33,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2020-10-16 12:13:33,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 103. [2020-10-16 12:13:33,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-10-16 12:13:33,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 190 transitions. [2020-10-16 12:13:33,647 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 190 transitions. Word has length 18 [2020-10-16 12:13:33,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:13:33,648 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 190 transitions. [2020-10-16 12:13:33,648 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-16 12:13:33,648 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 190 transitions. [2020-10-16 12:13:33,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-16 12:13:33,649 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:13:33,649 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:13:33,649 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-16 12:13:33,650 INFO L429 AbstractCegarLoop]: === Iteration 7 === [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]=== [2020-10-16 12:13:33,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:13:33,650 INFO L82 PathProgramCache]: Analyzing trace with hash 2133555757, now seen corresponding path program 2 times [2020-10-16 12:13:33,650 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:13:33,651 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615696994] [2020-10-16 12:13:33,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:13:33,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:13:34,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:13:34,053 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615696994] [2020-10-16 12:13:34,053 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:13:34,054 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-16 12:13:34,054 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523981012] [2020-10-16 12:13:34,054 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-16 12:13:34,054 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:13:34,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-16 12:13:34,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-10-16 12:13:34,055 INFO L87 Difference]: Start difference. First operand 103 states and 190 transitions. Second operand 10 states. [2020-10-16 12:13:34,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:13:34,656 INFO L93 Difference]: Finished difference Result 176 states and 300 transitions. [2020-10-16 12:13:34,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-16 12:13:34,657 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 18 [2020-10-16 12:13:34,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:13:34,658 INFO L225 Difference]: With dead ends: 176 [2020-10-16 12:13:34,658 INFO L226 Difference]: Without dead ends: 176 [2020-10-16 12:13:34,659 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=92, Invalid=148, Unknown=0, NotChecked=0, Total=240 [2020-10-16 12:13:34,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2020-10-16 12:13:34,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 123. [2020-10-16 12:13:34,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-10-16 12:13:34,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 227 transitions. [2020-10-16 12:13:34,663 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 227 transitions. Word has length 18 [2020-10-16 12:13:34,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:13:34,664 INFO L481 AbstractCegarLoop]: Abstraction has 123 states and 227 transitions. [2020-10-16 12:13:34,664 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-16 12:13:34,664 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 227 transitions. [2020-10-16 12:13:34,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-16 12:13:34,665 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:13:34,665 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:13:34,666 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-16 12:13:34,666 INFO L429 AbstractCegarLoop]: === Iteration 8 === [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]=== [2020-10-16 12:13:34,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:13:34,666 INFO L82 PathProgramCache]: Analyzing trace with hash 2133555779, now seen corresponding path program 2 times [2020-10-16 12:13:34,666 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:13:34,667 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216248904] [2020-10-16 12:13:34,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:13:34,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:13:35,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:13:35,265 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216248904] [2020-10-16 12:13:35,266 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:13:35,266 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-16 12:13:35,266 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345851677] [2020-10-16 12:13:35,266 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-16 12:13:35,267 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:13:35,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-16 12:13:35,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-10-16 12:13:35,267 INFO L87 Difference]: Start difference. First operand 123 states and 227 transitions. Second operand 12 states. [2020-10-16 12:13:35,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:13:35,908 INFO L93 Difference]: Finished difference Result 174 states and 298 transitions. [2020-10-16 12:13:35,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-16 12:13:35,908 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 18 [2020-10-16 12:13:35,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:13:35,910 INFO L225 Difference]: With dead ends: 174 [2020-10-16 12:13:35,910 INFO L226 Difference]: Without dead ends: 163 [2020-10-16 12:13:35,911 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2020-10-16 12:13:35,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2020-10-16 12:13:35,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 127. [2020-10-16 12:13:35,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2020-10-16 12:13:35,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 233 transitions. [2020-10-16 12:13:35,915 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 233 transitions. Word has length 18 [2020-10-16 12:13:35,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:13:35,916 INFO L481 AbstractCegarLoop]: Abstraction has 127 states and 233 transitions. [2020-10-16 12:13:35,916 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-16 12:13:35,916 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 233 transitions. [2020-10-16 12:13:35,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-16 12:13:35,917 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:13:35,917 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:13:35,917 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-16 12:13:35,917 INFO L429 AbstractCegarLoop]: === Iteration 9 === [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]=== [2020-10-16 12:13:35,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:13:35,918 INFO L82 PathProgramCache]: Analyzing trace with hash -1342972915, now seen corresponding path program 3 times [2020-10-16 12:13:35,918 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:13:35,918 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901386633] [2020-10-16 12:13:35,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:13:35,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:13:36,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:13:36,480 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901386633] [2020-10-16 12:13:36,480 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:13:36,480 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-16 12:13:36,481 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292111625] [2020-10-16 12:13:36,481 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-16 12:13:36,481 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:13:36,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-16 12:13:36,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-10-16 12:13:36,482 INFO L87 Difference]: Start difference. First operand 127 states and 233 transitions. Second operand 12 states. [2020-10-16 12:13:37,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:13:37,247 INFO L93 Difference]: Finished difference Result 176 states and 301 transitions. [2020-10-16 12:13:37,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 12:13:37,249 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 18 [2020-10-16 12:13:37,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:13:37,251 INFO L225 Difference]: With dead ends: 176 [2020-10-16 12:13:37,251 INFO L226 Difference]: Without dead ends: 161 [2020-10-16 12:13:37,251 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2020-10-16 12:13:37,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2020-10-16 12:13:37,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 125. [2020-10-16 12:13:37,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-10-16 12:13:37,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 229 transitions. [2020-10-16 12:13:37,256 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 229 transitions. Word has length 18 [2020-10-16 12:13:37,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:13:37,256 INFO L481 AbstractCegarLoop]: Abstraction has 125 states and 229 transitions. [2020-10-16 12:13:37,256 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-16 12:13:37,256 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 229 transitions. [2020-10-16 12:13:37,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-16 12:13:37,257 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:13:37,257 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:13:37,257 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-16 12:13:37,258 INFO L429 AbstractCegarLoop]: === Iteration 10 === [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]=== [2020-10-16 12:13:37,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:13:37,258 INFO L82 PathProgramCache]: Analyzing trace with hash 1672062081, now seen corresponding path program 4 times [2020-10-16 12:13:37,258 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:13:37,259 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522592626] [2020-10-16 12:13:37,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:13:37,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:13:37,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:13:37,775 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522592626] [2020-10-16 12:13:37,775 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:13:37,775 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-16 12:13:37,775 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737398424] [2020-10-16 12:13:37,776 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-16 12:13:37,776 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:13:37,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-16 12:13:37,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-10-16 12:13:37,776 INFO L87 Difference]: Start difference. First operand 125 states and 229 transitions. Second operand 12 states. [2020-10-16 12:13:38,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:13:38,489 INFO L93 Difference]: Finished difference Result 170 states and 294 transitions. [2020-10-16 12:13:38,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-16 12:13:38,490 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 18 [2020-10-16 12:13:38,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:13:38,492 INFO L225 Difference]: With dead ends: 170 [2020-10-16 12:13:38,492 INFO L226 Difference]: Without dead ends: 147 [2020-10-16 12:13:38,493 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2020-10-16 12:13:38,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2020-10-16 12:13:38,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 119. [2020-10-16 12:13:38,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-10-16 12:13:38,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 218 transitions. [2020-10-16 12:13:38,497 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 218 transitions. Word has length 18 [2020-10-16 12:13:38,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:13:38,498 INFO L481 AbstractCegarLoop]: Abstraction has 119 states and 218 transitions. [2020-10-16 12:13:38,498 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-16 12:13:38,498 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 218 transitions. [2020-10-16 12:13:38,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-16 12:13:38,499 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:13:38,499 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:13:38,499 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-16 12:13:38,499 INFO L429 AbstractCegarLoop]: === Iteration 11 === [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]=== [2020-10-16 12:13:38,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:13:38,500 INFO L82 PathProgramCache]: Analyzing trace with hash -285831053, now seen corresponding path program 5 times [2020-10-16 12:13:38,500 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:13:38,500 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557223019] [2020-10-16 12:13:38,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:13:38,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:13:38,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:13:38,986 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557223019] [2020-10-16 12:13:38,987 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:13:38,987 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-16 12:13:38,987 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573827927] [2020-10-16 12:13:38,987 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-16 12:13:38,988 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:13:38,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-16 12:13:38,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-10-16 12:13:38,988 INFO L87 Difference]: Start difference. First operand 119 states and 218 transitions. Second operand 11 states. [2020-10-16 12:13:39,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:13:39,523 INFO L93 Difference]: Finished difference Result 173 states and 306 transitions. [2020-10-16 12:13:39,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-16 12:13:39,523 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 18 [2020-10-16 12:13:39,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:13:39,526 INFO L225 Difference]: With dead ends: 173 [2020-10-16 12:13:39,526 INFO L226 Difference]: Without dead ends: 152 [2020-10-16 12:13:39,527 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2020-10-16 12:13:39,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2020-10-16 12:13:39,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 123. [2020-10-16 12:13:39,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-10-16 12:13:39,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 224 transitions. [2020-10-16 12:13:39,536 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 224 transitions. Word has length 18 [2020-10-16 12:13:39,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:13:39,536 INFO L481 AbstractCegarLoop]: Abstraction has 123 states and 224 transitions. [2020-10-16 12:13:39,536 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-16 12:13:39,536 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 224 transitions. [2020-10-16 12:13:39,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-16 12:13:39,537 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:13:39,537 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:13:39,537 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-16 12:13:39,537 INFO L429 AbstractCegarLoop]: === Iteration 12 === [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]=== [2020-10-16 12:13:39,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:13:39,538 INFO L82 PathProgramCache]: Analyzing trace with hash 311067339, now seen corresponding path program 6 times [2020-10-16 12:13:39,538 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:13:39,538 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287611457] [2020-10-16 12:13:39,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:13:39,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 12:13:39,570 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 12:13:39,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 12:13:39,594 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 12:13:39,628 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 12:13:39,628 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 12:13:39,629 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-16 12:13:39,629 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-16 12:13:39,629 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-16 12:13:39,630 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-16 12:13:39,635 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [497] [497] L1706-->L1708-2: Formula: (let ((.cse0 (select |#memory_int_In1271543617| ULTIMATE.start_my_drv_probe_~data.base_In1271543617))) (and (= |ULTIMATE.start_my_drv_probe_#t~mem32_Out1271543617| (select .cse0 (+ ULTIMATE.start_my_drv_probe_~data.offset_In1271543617 28))) (let ((.cse1 (= |ULTIMATE.start_my_drv_probe_#t~mem32_Out1271543617| 0))) (or (and (= |ULTIMATE.start_ldv_assert_#in~expression_Out1271543617| 1) .cse1) (and (= |ULTIMATE.start_ldv_assert_#in~expression_Out1271543617| 0) (not .cse1)))) (= (select .cse0 (+ ULTIMATE.start_my_drv_probe_~data.offset_In1271543617 24)) 0) (= ULTIMATE.start_ldv_assert_~expression_Out1271543617 1))) InVars {ULTIMATE.start_my_drv_probe_~data.base=ULTIMATE.start_my_drv_probe_~data.base_In1271543617, ULTIMATE.start_my_drv_probe_~data.offset=ULTIMATE.start_my_drv_probe_~data.offset_In1271543617, #memory_int=|#memory_int_In1271543617|} OutVars{ULTIMATE.start_my_drv_probe_#t~mem31=|ULTIMATE.start_my_drv_probe_#t~mem31_Out1271543617|, ULTIMATE.start_my_drv_probe_#t~mem32=|ULTIMATE.start_my_drv_probe_#t~mem32_Out1271543617|, ULTIMATE.start_my_drv_probe_~data.base=ULTIMATE.start_my_drv_probe_~data.base_In1271543617, ULTIMATE.start_my_drv_probe_~data.offset=ULTIMATE.start_my_drv_probe_~data.offset_In1271543617, #memory_int=|#memory_int_In1271543617|, ULTIMATE.start_ldv_assert_#in~expression=|ULTIMATE.start_ldv_assert_#in~expression_Out1271543617|, ULTIMATE.start_ldv_assert_~expression=ULTIMATE.start_ldv_assert_~expression_Out1271543617} AuxVars[] AssignedVars[ULTIMATE.start_my_drv_probe_#t~mem31, ULTIMATE.start_my_drv_probe_#t~mem32, ULTIMATE.start_ldv_assert_#in~expression, ULTIMATE.start_ldv_assert_~expression] because there is no mapped edge [2020-10-16 12:13:39,635 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [482] [482] L1708-2-->L1709-1: Formula: (and (<= |ULTIMATE.start_my_drv_probe_#t~nondet33_In1876598763| 2147483647) (<= 0 (+ |ULTIMATE.start_my_drv_probe_#t~nondet33_In1876598763| 2147483648)) (not (= ULTIMATE.start_ldv_assert_~expression_Out1876598763 0)) (= ULTIMATE.start_ldv_assert_~expression_Out1876598763 |ULTIMATE.start_ldv_assert_#in~expression_In1876598763|)) InVars {ULTIMATE.start_my_drv_probe_#t~nondet33=|ULTIMATE.start_my_drv_probe_#t~nondet33_In1876598763|, ULTIMATE.start_ldv_assert_#in~expression=|ULTIMATE.start_ldv_assert_#in~expression_In1876598763|} OutVars{ULTIMATE.start_my_drv_probe_#t~mem32=|ULTIMATE.start_my_drv_probe_#t~mem32_Out1876598763|, ULTIMATE.start_my_drv_probe_#t~nondet33=|ULTIMATE.start_my_drv_probe_#t~nondet33_In1876598763|, ULTIMATE.start_ldv_assert_#in~expression=|ULTIMATE.start_ldv_assert_#in~expression_In1876598763|, ULTIMATE.start_ldv_assert_~expression=ULTIMATE.start_ldv_assert_~expression_Out1876598763} AuxVars[] AssignedVars[ULTIMATE.start_my_drv_probe_#t~mem32, ULTIMATE.start_ldv_assert_~expression] because there is no mapped edge [2020-10-16 12:13:39,641 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [498] [498] L1721-3-->L1741-2: Formula: (let ((.cse1 (select |#memory_int_In-1595491746| |ULTIMATE.start_main_~#data~1.base_In-1595491746|))) (and (let ((.cse0 (= |ULTIMATE.start_main_#t~mem43_Out-1595491746| 2))) (or (and (= |ULTIMATE.start_ldv_assert_#in~expression_Out-1595491746| 0) (not .cse0)) (and .cse0 (= |ULTIMATE.start_ldv_assert_#in~expression_Out-1595491746| 1)))) (= ULTIMATE.start_ldv_assert_~expression_Out-1595491746 1) (= (select .cse1 (+ |ULTIMATE.start_main_~#data~1.offset_In-1595491746| 24)) 1) (= (select .cse1 (+ |ULTIMATE.start_main_~#data~1.offset_In-1595491746| 28)) |ULTIMATE.start_main_#t~mem43_Out-1595491746|))) InVars {#memory_int=|#memory_int_In-1595491746|, ULTIMATE.start_main_~#data~1.offset=|ULTIMATE.start_main_~#data~1.offset_In-1595491746|, ULTIMATE.start_main_~#data~1.base=|ULTIMATE.start_main_~#data~1.base_In-1595491746|} OutVars{ULTIMATE.start_main_#t~mem43=|ULTIMATE.start_main_#t~mem43_Out-1595491746|, ULTIMATE.start_my_drv_disconnect_~#status~0.offset=|ULTIMATE.start_my_drv_disconnect_~#status~0.offset_Out-1595491746|, ULTIMATE.start_my_drv_disconnect_~#status~0.base=|ULTIMATE.start_my_drv_disconnect_~#status~0.base_Out-1595491746|, ULTIMATE.start_main_#t~mem42=|ULTIMATE.start_main_#t~mem42_Out-1595491746|, #memory_int=|#memory_int_In-1595491746|, ULTIMATE.start_main_~#data~1.offset=|ULTIMATE.start_main_~#data~1.offset_In-1595491746|, ULTIMATE.start_ldv_assert_#in~expression=|ULTIMATE.start_ldv_assert_#in~expression_Out-1595491746|, ULTIMATE.start_main_~#data~1.base=|ULTIMATE.start_main_~#data~1.base_In-1595491746|, ULTIMATE.start_ldv_assert_~expression=ULTIMATE.start_ldv_assert_~expression_Out-1595491746} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem43, ULTIMATE.start_my_drv_disconnect_~#status~0.offset, ULTIMATE.start_my_drv_disconnect_~#status~0.base, ULTIMATE.start_main_#t~mem42, ULTIMATE.start_ldv_assert_#in~expression, ULTIMATE.start_ldv_assert_~expression] because there is no mapped edge [2020-10-16 12:13:39,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 12:13:39 BasicIcfg [2020-10-16 12:13:39,683 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 12:13:39,685 INFO L168 Benchmark]: Toolchain (without parser) took 19739.51 ms. Allocated memory was 138.9 MB in the beginning and 405.8 MB in the end (delta: 266.9 MB). Free memory was 98.4 MB in the beginning and 222.9 MB in the end (delta: -124.5 MB). Peak memory consumption was 142.3 MB. Max. memory is 7.1 GB. [2020-10-16 12:13:39,685 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-16 12:13:39,686 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1330.58 ms. Allocated memory was 138.9 MB in the beginning and 234.9 MB in the end (delta: 95.9 MB). Free memory was 98.2 MB in the beginning and 170.2 MB in the end (delta: -72.0 MB). Peak memory consumption was 79.5 MB. Max. memory is 7.1 GB. [2020-10-16 12:13:39,687 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.44 ms. Allocated memory is still 234.9 MB. Free memory was 170.2 MB in the beginning and 167.2 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2020-10-16 12:13:39,687 INFO L168 Benchmark]: Boogie Preprocessor took 46.80 ms. Allocated memory is still 234.9 MB. Free memory was 167.2 MB in the beginning and 164.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2020-10-16 12:13:39,688 INFO L168 Benchmark]: RCFGBuilder took 761.77 ms. Allocated memory is still 234.9 MB. Free memory was 164.3 MB in the beginning and 117.2 MB in the end (delta: 47.1 MB). Peak memory consumption was 47.1 MB. Max. memory is 7.1 GB. [2020-10-16 12:13:39,689 INFO L168 Benchmark]: TraceAbstraction took 17498.50 ms. Allocated memory was 234.9 MB in the beginning and 405.8 MB in the end (delta: 170.9 MB). Free memory was 117.2 MB in the beginning and 222.9 MB in the end (delta: -105.7 MB). Peak memory consumption was 65.2 MB. Max. memory is 7.1 GB. [2020-10-16 12:13:39,693 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1330.58 ms. Allocated memory was 138.9 MB in the beginning and 234.9 MB in the end (delta: 95.9 MB). Free memory was 98.2 MB in the beginning and 170.2 MB in the end (delta: -72.0 MB). Peak memory consumption was 79.5 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 94.44 ms. Allocated memory is still 234.9 MB. Free memory was 170.2 MB in the beginning and 167.2 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 46.80 ms. Allocated memory is still 234.9 MB. Free memory was 167.2 MB in the beginning and 164.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 761.77 ms. Allocated memory is still 234.9 MB. Free memory was 164.3 MB in the beginning and 117.2 MB in the end (delta: 47.1 MB). Peak memory consumption was 47.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 17498.50 ms. Allocated memory was 234.9 MB in the beginning and 405.8 MB in the end (delta: 170.9 MB). Free memory was 117.2 MB in the beginning and 222.9 MB in the end (delta: -105.7 MB). Peak memory consumption was 65.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1057 VarBasedMoverChecksPositive, 41 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 36 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 8.0s, 144 PlacesBefore, 36 PlacesAfterwards, 148 TransitionsBefore, 34 TransitionsAfterwards, 1980 CoEnabledTransitionPairs, 7 FixpointIterations, 86 TrivialSequentialCompositions, 46 ConcurrentSequentialCompositions, 10 TrivialYvCompositions, 17 ConcurrentYvCompositions, 6 ChoiceCompositions, 165 TotalNumberOfCompositions, 4147 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; [L1695] 0 struct device *my_dev; [L1727] 0 return 0; [L1733] 0 int ret = my_drv_init(); [L1734] COND TRUE 0 ret==0 [L1735] 0 int probe_ret; [L1736] 0 struct my_data data; [L1705] 0 data->shared.a = 0 [L1706] 0 data->shared.b = 0 [L1709] 0 int res = __VERIFIER_nondet_int(); [L1710] COND FALSE 0 !(\read(res)) [L1712] 0 my_dev = &data->dev [L1713] FCALL, FORK 0 pthread_create(&t1, ((void *)0), my_callback, ((void *)0)) VAL [arg={0:0}, my_dev={5:24}, t1={6:0}, t2={3:0}] [L1697] 1 struct my_data *data; [L1698] 1 const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); [L1698] 1 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) [L1699] 1 data->shared.a = 1 VAL [__mptr={5:24}, arg={0:0}, arg={0:0}, data={5:0}, my_dev={5:24}, t1={6:0}, t2={3:0}] [L1700] 1 data->shared.b VAL [__mptr={5:24}, arg={0:0}, arg={0:0}, data={5:0}, data->shared.b=0, my_dev={5:24}, t1={6:0}, t2={3:0}] [L1714] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, ((void *)0)) VAL [__mptr={5:24}, arg={0:0}, arg={0:0}, data={5:0}, data->shared.b=0, my_dev={5:24}, t1={6:0}, t2={3:0}] [L1715] 0 return 0; [L1737] 0 probe_ret = my_drv_probe(&data) [L1738] COND TRUE 0 probe_ret==0 [L1721] 0 void *status; [L1722] 0 \read(t1) VAL [__mptr={5:24}, arg={0:0}, arg={0:0}, data={5:0}, data->shared.b=0, my_dev={5:24}, t1={6:0}, t2={3:0}] [L1697] 2 struct my_data *data; [L1698] 2 const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); [L1698] 2 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) [L1699] 2 data->shared.a = 1 VAL [__mptr={5:24}, arg={0:0}, arg={0:0}, data={5:0}, data->shared.b=0, my_dev={5:24}, t1={6:0}, t2={3:0}] [L1700] EXPR 2 data->shared.b VAL [__mptr={5:24}, arg={0:0}, arg={0:0}, data={5:0}, data->shared.b=0, my_dev={5:24}, t1={6:0}, t2={3:0}] [L1700] 2 data->shared.b = data->shared.b + 1 [L1701] 2 return 0; [L1700] 1 data->shared.b = data->shared.b + 1 [L1701] 1 return 0; [L1722] FCALL, JOIN 1 pthread_join(t1, &status) VAL [\result={0:0}, __mptr={5:24}, arg={0:0}, arg={0:0}, data={5:0}, my_dev={5:24}, t1={6:0}, t2={3:0}] [L1723] 0 \read(t2) VAL [\result={0:0}, __mptr={5:24}, arg={0:0}, arg={0:0}, data={5:0}, my_dev={5:24}, t1={6:0}, t2={3:0}] [L1723] FCALL, JOIN 2 pthread_join(t2, &status) VAL [\result={0:0}, __mptr={5:24}, arg={0:0}, arg={0:0}, data={5:0}, my_dev={5:24}, t1={6:0}, t2={3:0}] [L1682] COND TRUE 0 !expression [L1682] 0 __VERIFIER_error() VAL [\result={0:0}, __mptr={5:24}, arg={0:0}, arg={0:0}, data={5:0}, my_dev={5:24}, t1={6:0}, t2={3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 127 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 17.2s, OverallIterations: 12, TraceHistogramMax: 1, AutomataDifference: 4.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 8.0s, HoareTripleCheckerStatistics: 271 SDtfs, 310 SDslu, 854 SDs, 0 SdLazy, 2117 SolverSat, 183 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 107 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 3.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=221occurred in iteration=3, 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, 11 MinimizatonAttempts, 302 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 163 NumberOfCodeBlocks, 163 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 134 ConstructedInterpolants, 0 QuantifiedInterpolants, 54607 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 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...