/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-McrAutomaton-WP.epf -i ../../../trunk/examples/svcomp/ldv-races/race-2_2-container_of.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b09bf87 [2020-10-16 13:52:22,567 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 13:52:22,570 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 13:52:22,594 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 13:52:22,594 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 13:52:22,596 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 13:52:22,597 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 13:52:22,598 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 13:52:22,600 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 13:52:22,601 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 13:52:22,602 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 13:52:22,603 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 13:52:22,603 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 13:52:22,604 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 13:52:22,605 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 13:52:22,606 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 13:52:22,607 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 13:52:22,608 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 13:52:22,609 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 13:52:22,611 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 13:52:22,612 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 13:52:22,613 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 13:52:22,615 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 13:52:22,615 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 13:52:22,618 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-16 13:52:22,618 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-16 13:52:22,618 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-16 13:52:22,619 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-16 13:52:22,619 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-16 13:52:22,620 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-16 13:52:22,621 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 13:52:22,621 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 13:52:22,622 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 13:52:22,623 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 13:52:22,624 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 13:52:22,624 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 13:52:22,624 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 13:52:22,625 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 13:52:22,625 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 13:52:22,626 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 13:52:22,626 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 13:52:22,627 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-McrAutomaton-WP.epf [2020-10-16 13:52:22,650 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 13:52:22,650 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 13:52:22,651 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 13:52:22,651 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 13:52:22,652 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 13:52:22,652 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 13:52:22,652 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 13:52:22,652 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 13:52:22,653 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 13:52:22,653 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 13:52:22,653 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 13:52:22,653 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 13:52:22,653 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 13:52:22,653 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 13:52:22,654 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 13:52:22,654 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 13:52:22,654 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 13:52:22,654 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 13:52:22,654 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 13:52:22,655 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 13:52:22,655 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 13:52:22,655 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 13:52:22,655 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 13:52:22,656 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-16 13:52:22,656 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 13:52:22,656 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 13:52:22,656 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 13:52:22,656 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-16 13:52:22,656 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-16 13:52:22,657 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-16 13:52:22,657 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-16 13:52:22,938 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 13:52:22,956 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 13:52:22,960 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 13:52:22,962 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 13:52:22,962 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 13:52:22,963 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_2-container_of.i [2020-10-16 13:52:23,030 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9c64f4b7b/0075cabd4875439fa5f130dda8ae4ad8/FLAG12d880295 [2020-10-16 13:52:23,614 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 13:52:23,615 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-races/race-2_2-container_of.i [2020-10-16 13:52:23,641 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9c64f4b7b/0075cabd4875439fa5f130dda8ae4ad8/FLAG12d880295 [2020-10-16 13:52:23,828 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9c64f4b7b/0075cabd4875439fa5f130dda8ae4ad8 [2020-10-16 13:52:23,836 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 13:52:23,838 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 13:52:23,839 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 13:52:23,839 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 13:52:23,843 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 13:52:23,843 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:52:23" (1/1) ... [2020-10-16 13:52:23,846 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e2fb2e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:52:23, skipping insertion in model container [2020-10-16 13:52:23,846 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:52:23" (1/1) ... [2020-10-16 13:52:23,854 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 13:52:23,919 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 13:52:24,685 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 13:52:24,694 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 13:52:24,752 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 13:52:25,198 INFO L208 MainTranslator]: Completed translation [2020-10-16 13:52:25,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:52:25 WrapperNode [2020-10-16 13:52:25,200 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 13:52:25,200 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 13:52:25,201 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 13:52:25,201 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 13:52:25,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:52:25" (1/1) ... [2020-10-16 13:52:25,244 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:52:25" (1/1) ... [2020-10-16 13:52:25,274 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 13:52:25,275 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 13:52:25,275 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 13:52:25,275 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 13:52:25,284 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:52:25" (1/1) ... [2020-10-16 13:52:25,285 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:52:25" (1/1) ... [2020-10-16 13:52:25,290 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:52:25" (1/1) ... [2020-10-16 13:52:25,291 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:52:25" (1/1) ... [2020-10-16 13:52:25,307 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:52:25" (1/1) ... [2020-10-16 13:52:25,309 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:52:25" (1/1) ... [2020-10-16 13:52:25,315 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:52:25" (1/1) ... [2020-10-16 13:52:25,322 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 13:52:25,323 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 13:52:25,323 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 13:52:25,323 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 13:52:25,324 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:52:25" (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 13:52:25,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 13:52:25,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-16 13:52:25,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-16 13:52:25,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 13:52:25,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 13:52:25,407 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2020-10-16 13:52:25,408 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2020-10-16 13:52:25,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 13:52:25,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 13:52:25,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-16 13:52:25,411 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 13:52:25,962 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 13:52:25,963 INFO L298 CfgBuilder]: Removed 20 assume(true) statements. [2020-10-16 13:52:25,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:52:25 BoogieIcfgContainer [2020-10-16 13:52:25,965 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 13:52:25,966 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 13:52:25,967 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 13:52:25,970 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 13:52:25,971 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 01:52:23" (1/3) ... [2020-10-16 13:52:25,972 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15fbc1f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:52:25, skipping insertion in model container [2020-10-16 13:52:25,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:52:25" (2/3) ... [2020-10-16 13:52:25,972 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15fbc1f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:52:25, skipping insertion in model container [2020-10-16 13:52:25,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:52:25" (3/3) ... [2020-10-16 13:52:25,974 INFO L111 eAbstractionObserver]: Analyzing ICFG race-2_2-container_of.i [2020-10-16 13:52:25,986 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-16 13:52:25,986 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-16 13:52:25,995 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2020-10-16 13:52:25,996 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 13:52:26,028 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,028 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,028 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,029 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,029 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,029 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,029 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,029 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,030 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,030 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,030 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,030 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,031 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,031 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,031 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,031 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,031 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,032 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,032 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,032 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,033 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,033 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,033 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,033 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,033 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,034 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,034 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,034 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,035 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,035 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,035 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,035 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,035 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,036 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,036 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,036 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,036 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,037 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,037 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,037 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,037 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,038 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,038 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,038 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,038 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,038 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,039 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,039 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,039 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,040 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,040 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,040 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,040 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,040 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,041 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,041 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,041 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,041 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,045 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,046 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,046 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,046 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,046 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,046 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,047 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,047 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,047 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,047 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,048 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,055 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,055 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,055 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,056 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,056 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,056 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,056 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,057 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,057 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,057 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,057 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:26,069 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-10-16 13:52:26,083 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-16 13:52:26,103 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 13:52:26,103 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-16 13:52:26,103 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-16 13:52:26,103 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-16 13:52:26,104 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 13:52:26,104 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 13:52:26,104 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 13:52:26,104 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 13:52:26,120 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-16 13:52:26,121 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 129 places, 131 transitions, 284 flow [2020-10-16 13:52:26,124 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 129 places, 131 transitions, 284 flow [2020-10-16 13:52:26,126 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 129 places, 131 transitions, 284 flow [2020-10-16 13:52:26,200 INFO L129 PetriNetUnfolder]: 9/169 cut-off events. [2020-10-16 13:52:26,201 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-16 13:52:26,206 INFO L80 FinitePrefix]: Finished finitePrefix Result has 180 conditions, 169 events. 9/169 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 347 event pairs, 0 based on Foata normal form. 0/153 useless extension candidates. Maximal degree in co-relation 86. Up to 4 conditions per place. [2020-10-16 13:52:26,210 INFO L117 LiptonReduction]: Number of co-enabled transitions 2200 [2020-10-16 13:52:26,807 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 13:52:26,826 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 13:52:26,830 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 13:52:26,843 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 13:52:26,844 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 13:52:26,845 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:95, output treesize:67 [2020-10-16 13:52:28,067 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 13:52:28,090 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 13:52:28,094 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 13:52:28,117 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 13:52:28,119 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 13:52:28,119 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:102, output treesize:74 [2020-10-16 13:52:28,773 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 74 [2020-10-16 13:52:28,794 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 13:52:28,878 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 13:52:28,889 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 13:52:28,949 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 13:52:28,951 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 13:52:28,951 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:148, output treesize:160 [2020-10-16 13:52:29,504 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2020-10-16 13:52:30,124 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-16 13:52:30,452 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-16 13:52:30,656 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-16 13:52:30,870 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-16 13:52:31,022 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 56 [2020-10-16 13:52:31,060 INFO L132 LiptonReduction]: Checked pairs total: 4067 [2020-10-16 13:52:31,060 INFO L134 LiptonReduction]: Total number of compositions: 138 [2020-10-16 13:52:31,067 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 34 places, 32 transitions, 86 flow [2020-10-16 13:52:31,088 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 190 states. [2020-10-16 13:52:31,090 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states. [2020-10-16 13:52:31,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-10-16 13:52:31,096 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:52:31,097 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-10-16 13:52:31,097 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:52:31,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:52:31,103 INFO L82 PathProgramCache]: Analyzing trace with hash 14364445, now seen corresponding path program 1 times [2020-10-16 13:52:31,125 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:52:31,126 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28333015] [2020-10-16 13:52:31,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:52:31,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 13:52:31,477 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 13:52:31,478 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28333015] [2020-10-16 13:52:31,479 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 13:52:31,479 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 13:52:31,480 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1291116887] [2020-10-16 13:52:31,481 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 13:52:31,484 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 13:52:31,496 INFO L258 McrAutomatonBuilder]: Finished intersection with 5 states and 4 transitions. [2020-10-16 13:52:31,496 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 13:52:31,500 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 13:52:31,501 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 13:52:31,501 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 13:52:31,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 13:52:31,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 13:52:31,516 INFO L87 Difference]: Start difference. First operand 190 states. Second operand 3 states. [2020-10-16 13:52:31,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 13:52:31,619 INFO L93 Difference]: Finished difference Result 248 states and 560 transitions. [2020-10-16 13:52:31,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 13:52:31,621 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-10-16 13:52:31,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 13:52:31,635 INFO L225 Difference]: With dead ends: 248 [2020-10-16 13:52:31,635 INFO L226 Difference]: Without dead ends: 230 [2020-10-16 13:52:31,637 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 13:52:31,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2020-10-16 13:52:31,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 200. [2020-10-16 13:52:31,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2020-10-16 13:52:31,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 444 transitions. [2020-10-16 13:52:31,699 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 444 transitions. Word has length 4 [2020-10-16 13:52:31,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 13:52:31,699 INFO L481 AbstractCegarLoop]: Abstraction has 200 states and 444 transitions. [2020-10-16 13:52:31,699 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 13:52:31,700 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 444 transitions. [2020-10-16 13:52:31,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-16 13:52:31,700 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:52:31,700 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-16 13:52:31,701 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 13:52:31,701 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:52:31,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:52:31,701 INFO L82 PathProgramCache]: Analyzing trace with hash 445298819, now seen corresponding path program 1 times [2020-10-16 13:52:31,704 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:52:31,727 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318450652] [2020-10-16 13:52:31,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:52:31,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 13:52:31,828 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 13:52:31,828 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318450652] [2020-10-16 13:52:31,829 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 13:52:31,829 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 13:52:31,829 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1730192524] [2020-10-16 13:52:31,829 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 13:52:31,831 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 13:52:31,832 INFO L258 McrAutomatonBuilder]: Finished intersection with 6 states and 5 transitions. [2020-10-16 13:52:31,832 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 13:52:31,832 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 13:52:31,834 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 13:52:31,834 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 13:52:31,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 13:52:31,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 13:52:31,835 INFO L87 Difference]: Start difference. First operand 200 states and 444 transitions. Second operand 3 states. [2020-10-16 13:52:31,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 13:52:31,902 INFO L93 Difference]: Finished difference Result 243 states and 536 transitions. [2020-10-16 13:52:31,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 13:52:31,903 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-10-16 13:52:31,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 13:52:31,906 INFO L225 Difference]: With dead ends: 243 [2020-10-16 13:52:31,906 INFO L226 Difference]: Without dead ends: 236 [2020-10-16 13:52:31,907 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 13:52:31,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2020-10-16 13:52:31,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 221. [2020-10-16 13:52:31,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2020-10-16 13:52:31,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 505 transitions. [2020-10-16 13:52:31,926 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 505 transitions. Word has length 5 [2020-10-16 13:52:31,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 13:52:31,927 INFO L481 AbstractCegarLoop]: Abstraction has 221 states and 505 transitions. [2020-10-16 13:52:31,927 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 13:52:31,927 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 505 transitions. [2020-10-16 13:52:31,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-16 13:52:31,928 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:52:31,928 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 13:52:31,929 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 13:52:31,929 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:52:31,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:52:31,929 INFO L82 PathProgramCache]: Analyzing trace with hash -1770707455, now seen corresponding path program 1 times [2020-10-16 13:52:31,931 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:52:31,931 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72152199] [2020-10-16 13:52:31,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:52:31,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 13:52:31,992 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 13:52:31,992 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72152199] [2020-10-16 13:52:31,992 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 13:52:31,992 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 13:52:31,993 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [95835551] [2020-10-16 13:52:31,993 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 13:52:31,994 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 13:52:31,996 INFO L258 McrAutomatonBuilder]: Finished intersection with 10 states and 9 transitions. [2020-10-16 13:52:31,996 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 13:52:31,997 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 13:52:31,997 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 13:52:31,997 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 13:52:31,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 13:52:31,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 13:52:31,998 INFO L87 Difference]: Start difference. First operand 221 states and 505 transitions. Second operand 3 states. [2020-10-16 13:52:32,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 13:52:32,017 INFO L93 Difference]: Finished difference Result 86 states and 167 transitions. [2020-10-16 13:52:32,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 13:52:32,017 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-10-16 13:52:32,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 13:52:32,018 INFO L225 Difference]: With dead ends: 86 [2020-10-16 13:52:32,018 INFO L226 Difference]: Without dead ends: 86 [2020-10-16 13:52:32,019 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 13:52:32,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2020-10-16 13:52:32,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2020-10-16 13:52:32,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2020-10-16 13:52:32,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 167 transitions. [2020-10-16 13:52:32,024 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 167 transitions. Word has length 9 [2020-10-16 13:52:32,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 13:52:32,025 INFO L481 AbstractCegarLoop]: Abstraction has 86 states and 167 transitions. [2020-10-16 13:52:32,025 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 13:52:32,025 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 167 transitions. [2020-10-16 13:52:32,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-16 13:52:32,026 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:52:32,026 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 13:52:32,027 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 13:52:32,027 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:52:32,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:52:32,027 INFO L82 PathProgramCache]: Analyzing trace with hash 1268591532, now seen corresponding path program 1 times [2020-10-16 13:52:32,028 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:52:32,029 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408787933] [2020-10-16 13:52:32,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:52:32,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 13:52:32,351 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 13:52:32,352 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408787933] [2020-10-16 13:52:32,353 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 13:52:32,353 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-16 13:52:32,353 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [90586780] [2020-10-16 13:52:32,353 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 13:52:32,360 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 13:52:32,375 INFO L258 McrAutomatonBuilder]: Finished intersection with 26 states and 32 transitions. [2020-10-16 13:52:32,376 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 13:52:32,394 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-10-16 13:52:32,417 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:32,420 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:32,438 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 13:52:32,465 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 1 [2020-10-16 13:52:32,465 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:32,469 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 1 [2020-10-16 13:52:32,470 INFO L545 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:32,475 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 13:52:32,475 INFO L513 ElimStorePlain]: Eliminatee |#memory_$Pointer$.offset| vanished before elimination [2020-10-16 13:52:32,475 INFO L513 ElimStorePlain]: Eliminatee |v_#memory_$Pointer$.base_78| vanished before elimination [2020-10-16 13:52:32,477 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2020-10-16 13:52:32,477 INFO L244 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:108, output treesize:26 [2020-10-16 13:52:32,487 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-10-16 13:52:32,502 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:32,505 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:32,513 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:32,534 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 13:52:32,539 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 1 [2020-10-16 13:52:32,539 INFO L545 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:32,544 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 1 [2020-10-16 13:52:32,545 INFO L545 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:32,552 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 1 [2020-10-16 13:52:32,553 INFO L545 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:32,561 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 13:52:32,561 INFO L513 ElimStorePlain]: Eliminatee |#memory_$Pointer$.offset| vanished before elimination [2020-10-16 13:52:32,561 INFO L513 ElimStorePlain]: Eliminatee |v_#memory_$Pointer$.base_79| vanished before elimination [2020-10-16 13:52:32,563 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-2 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2020-10-16 13:52:32,563 INFO L244 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:153, output treesize:30 [2020-10-16 13:52:32,564 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 13:52:32,564 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-16 13:52:32,564 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 13:52:32,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-16 13:52:32,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2020-10-16 13:52:32,565 INFO L87 Difference]: Start difference. First operand 86 states and 167 transitions. Second operand 13 states. [2020-10-16 13:52:33,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 13:52:33,489 INFO L93 Difference]: Finished difference Result 86 states and 166 transitions. [2020-10-16 13:52:33,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-16 13:52:33,490 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 18 [2020-10-16 13:52:33,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 13:52:33,491 INFO L225 Difference]: With dead ends: 86 [2020-10-16 13:52:33,491 INFO L226 Difference]: Without dead ends: 74 [2020-10-16 13:52:33,492 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=237, Invalid=465, Unknown=0, NotChecked=0, Total=702 [2020-10-16 13:52:33,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2020-10-16 13:52:33,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2020-10-16 13:52:33,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2020-10-16 13:52:33,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 145 transitions. [2020-10-16 13:52:33,497 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 145 transitions. Word has length 18 [2020-10-16 13:52:33,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 13:52:33,497 INFO L481 AbstractCegarLoop]: Abstraction has 74 states and 145 transitions. [2020-10-16 13:52:33,497 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-16 13:52:33,497 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 145 transitions. [2020-10-16 13:52:33,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-16 13:52:33,498 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:52:33,499 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 13:52:33,499 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-16 13:52:33,499 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:52:33,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:52:33,499 INFO L82 PathProgramCache]: Analyzing trace with hash 1297219722, now seen corresponding path program 1 times [2020-10-16 13:52:33,503 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:52:33,504 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580706106] [2020-10-16 13:52:33,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:52:33,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 13:52:33,802 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 13:52:33,802 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580706106] [2020-10-16 13:52:33,803 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 13:52:33,803 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-16 13:52:33,803 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1154123786] [2020-10-16 13:52:33,803 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 13:52:33,809 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 13:52:33,818 INFO L258 McrAutomatonBuilder]: Finished intersection with 26 states and 32 transitions. [2020-10-16 13:52:33,820 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 13:52:33,837 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 1 [2020-10-16 13:52:33,837 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:33,841 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 1 [2020-10-16 13:52:33,842 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:33,850 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 1 [2020-10-16 13:52:33,851 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:33,873 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 13:52:33,873 INFO L513 ElimStorePlain]: Eliminatee |v_#memory_$Pointer$.base_80| vanished before elimination [2020-10-16 13:52:33,882 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 1 [2020-10-16 13:52:33,882 INFO L545 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:33,891 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 1 [2020-10-16 13:52:33,891 INFO L545 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:33,897 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 1 [2020-10-16 13:52:33,897 INFO L545 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:33,904 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 13:52:33,904 INFO L513 ElimStorePlain]: Eliminatee |v_#memory_$Pointer$.offset_80| vanished before elimination [2020-10-16 13:52:33,905 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 4 dim-2 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2020-10-16 13:52:33,906 INFO L244 ElimStorePlain]: Needed 7 recursive calls to eliminate 5 variables, input treesize:153, output treesize:30 [2020-10-16 13:52:33,917 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 13:52:33,917 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-16 13:52:33,917 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 13:52:33,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-16 13:52:33,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-16 13:52:33,918 INFO L87 Difference]: Start difference. First operand 74 states and 145 transitions. Second operand 8 states. [2020-10-16 13:52:34,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 13:52:34,170 INFO L93 Difference]: Finished difference Result 117 states and 209 transitions. [2020-10-16 13:52:34,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 13:52:34,171 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 18 [2020-10-16 13:52:34,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 13:52:34,172 INFO L225 Difference]: With dead ends: 117 [2020-10-16 13:52:34,172 INFO L226 Difference]: Without dead ends: 117 [2020-10-16 13:52:34,173 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-10-16 13:52:34,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2020-10-16 13:52:34,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 94. [2020-10-16 13:52:34,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2020-10-16 13:52:34,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 175 transitions. [2020-10-16 13:52:34,178 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 175 transitions. Word has length 18 [2020-10-16 13:52:34,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 13:52:34,178 INFO L481 AbstractCegarLoop]: Abstraction has 94 states and 175 transitions. [2020-10-16 13:52:34,178 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-16 13:52:34,178 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 175 transitions. [2020-10-16 13:52:34,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-16 13:52:34,179 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:52:34,180 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 13:52:34,180 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-16 13:52:34,180 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:52:34,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:52:34,180 INFO L82 PathProgramCache]: Analyzing trace with hash 1297219740, now seen corresponding path program 1 times [2020-10-16 13:52:34,184 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:52:34,185 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761982612] [2020-10-16 13:52:34,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:52:34,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 13:52:34,945 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 13:52:34,946 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761982612] [2020-10-16 13:52:34,946 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 13:52:34,946 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-16 13:52:34,946 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1007541540] [2020-10-16 13:52:34,946 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 13:52:34,951 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 13:52:34,958 INFO L258 McrAutomatonBuilder]: Finished intersection with 26 states and 32 transitions. [2020-10-16 13:52:34,959 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 13:52:34,969 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:34,972 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:34,974 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:34,994 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 13:52:34,995 INFO L513 ElimStorePlain]: Eliminatee |#memory_$Pointer$.base| vanished before elimination [2020-10-16 13:52:35,000 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 1 [2020-10-16 13:52:35,001 INFO L545 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:35,010 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 1 [2020-10-16 13:52:35,010 INFO L545 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:35,014 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 1 [2020-10-16 13:52:35,015 INFO L545 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:35,022 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 13:52:35,022 INFO L513 ElimStorePlain]: Eliminatee |v_#memory_$Pointer$.offset_82| vanished before elimination [2020-10-16 13:52:35,022 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-10-16 13:52:35,023 INFO L244 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:153, output treesize:30 [2020-10-16 13:52:35,137 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:35,141 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:35,145 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:35,148 INFO L545 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:35,152 INFO L545 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:35,155 INFO L545 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:35,252 INFO L625 ElimStorePlain]: treesize reduction 46, result has 77.5 percent of original size [2020-10-16 13:52:35,255 INFO L545 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:35,257 INFO L545 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:35,260 INFO L545 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:35,264 INFO L545 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:35,267 INFO L545 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:35,295 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 13:52:35,295 INFO L513 ElimStorePlain]: Eliminatee |#memory_$Pointer$.base| vanished before elimination [2020-10-16 13:52:35,295 INFO L513 ElimStorePlain]: Eliminatee |#memory_$Pointer$.offset| vanished before elimination [2020-10-16 13:52:35,295 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-2 vars, End of recursive call: and 5 xjuncts. [2020-10-16 13:52:35,296 INFO L244 ElimStorePlain]: Needed 12 recursive calls to eliminate 4 variables, input treesize:300, output treesize:76 [2020-10-16 13:52:35,380 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:35,383 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:35,386 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:35,390 INFO L545 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:35,394 INFO L545 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:35,397 INFO L545 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:35,527 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 54 [2020-10-16 13:52:35,527 INFO L625 ElimStorePlain]: treesize reduction 5, result has 97.8 percent of original size [2020-10-16 13:52:35,535 INFO L545 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:35,538 INFO L545 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:35,542 INFO L545 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:35,545 INFO L545 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:35,548 INFO L545 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:35,551 INFO L545 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:35,584 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 13:52:35,584 INFO L513 ElimStorePlain]: Eliminatee |#memory_$Pointer$.base| vanished before elimination [2020-10-16 13:52:35,585 INFO L513 ElimStorePlain]: Eliminatee |#memory_$Pointer$.offset| vanished before elimination [2020-10-16 13:52:35,585 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-2 vars, End of recursive call: and 6 xjuncts. [2020-10-16 13:52:35,585 INFO L244 ElimStorePlain]: Needed 13 recursive calls to eliminate 4 variables, input treesize:351, output treesize:104 [2020-10-16 13:52:35,731 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:35,733 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:35,739 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:35,743 INFO L545 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:35,748 INFO L545 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:35,750 INFO L545 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:36,066 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 67 [2020-10-16 13:52:36,067 INFO L625 ElimStorePlain]: treesize reduction 191, result has 55.9 percent of original size [2020-10-16 13:52:36,070 INFO L545 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:36,072 INFO L545 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:36,153 INFO L625 ElimStorePlain]: treesize reduction 141, result has 29.5 percent of original size [2020-10-16 13:52:36,153 INFO L513 ElimStorePlain]: Eliminatee |#memory_$Pointer$.base| vanished before elimination [2020-10-16 13:52:36,153 INFO L513 ElimStorePlain]: Eliminatee |#memory_$Pointer$.offset| vanished before elimination [2020-10-16 13:52:36,154 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-2 vars, End of recursive call: and 7 xjuncts. [2020-10-16 13:52:36,154 INFO L244 ElimStorePlain]: Needed 9 recursive calls to eliminate 4 variables, input treesize:553, output treesize:59 [2020-10-16 13:52:36,484 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 38 [2020-10-16 13:52:36,487 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 7 new interpolants: [2720#(and (= |ULTIMATE.start_main_~#data~1.offset| 0) (or (and (= |ULTIMATE.start_main_~#data~1.offset| my_callbackThread1of1ForFork1_~data~0.offset) (= |ULTIMATE.start_main_~#data~1.base| my_callbackThread1of1ForFork1_~data~0.base) (= 1 |my_callbackThread1of1ForFork1_#t~mem30|)) (and (= (select (select |#memory_int| |ULTIMATE.start_main_~#data~1.base|) (+ |ULTIMATE.start_main_~#data~1.offset| 28)) 2) (not (and (= |ULTIMATE.start_main_~#data~1.offset| my_callbackThread1of1ForFork1_~data~0.offset) (= |ULTIMATE.start_main_~#data~1.base| my_callbackThread1of1ForFork1_~data~0.base))))) (= (select |#valid| |ULTIMATE.start_main_~#data~1.base|) 1)), 2721#(and (= |ULTIMATE.start_main_~#data~1.offset| 0) (or (and (= (select (select |#memory_int| |ULTIMATE.start_main_~#data~1.base|) (+ |ULTIMATE.start_main_~#data~1.offset| 28)) 2) (or (not (= |ULTIMATE.start_main_~#data~1.offset| my_callbackThread1of1ForFork1_~data~0.offset)) (not (= |ULTIMATE.start_main_~#data~1.base| my_callbackThread1of1ForFork1_~data~0.base)))) (and (= (select (select |#memory_int| my_callbackThread1of1ForFork1_~data~0.base) (+ my_callbackThread1of1ForFork1_~data~0.offset 28)) 1) (= |ULTIMATE.start_main_~#data~1.offset| my_callbackThread1of1ForFork1_~data~0.offset) (= |ULTIMATE.start_main_~#data~1.base| my_callbackThread1of1ForFork1_~data~0.base))) (= (select |#valid| |ULTIMATE.start_main_~#data~1.base|) 1)), 2722#(and (or (= (select (select |#memory_int| |my_callbackThread1of1ForFork1_#in~arg.base|) (+ |my_callbackThread1of1ForFork1_#in~arg.offset| 4)) 1) (not (= |ULTIMATE.start_main_~#data~1.base| |my_callbackThread1of1ForFork1_#in~arg.base|)) (not (= |my_callbackThread1of1ForFork1_#in~arg.offset| (+ |ULTIMATE.start_main_~#data~1.offset| 24)))) (= |ULTIMATE.start_main_~#data~1.offset| 0) (or (and (= (select (select |#memory_int| |ULTIMATE.start_main_~#data~1.base|) (+ |ULTIMATE.start_main_~#data~1.offset| 28)) 2) (not (and (= |ULTIMATE.start_main_~#data~1.base| |my_callbackThread1of1ForFork1_#in~arg.base|) (= (+ |ULTIMATE.start_main_~#data~1.offset| 28) |my_callbackThread1of1ForFork1_#in~arg.offset|)))) (= |my_callbackThread1of1ForFork1_#in~arg.offset| (+ |ULTIMATE.start_main_~#data~1.offset| 24))) (or (= |ULTIMATE.start_main_~#data~1.base| |my_callbackThread1of1ForFork1_#in~arg.base|) (and (= (select (select |#memory_int| |ULTIMATE.start_main_~#data~1.base|) (+ |ULTIMATE.start_main_~#data~1.offset| 28)) 2) (not (and (= |ULTIMATE.start_main_~#data~1.base| |my_callbackThread1of1ForFork1_#in~arg.base|) (= (+ |ULTIMATE.start_main_~#data~1.offset| 28) |my_callbackThread1of1ForFork1_#in~arg.offset|))))) (= (select |#valid| |ULTIMATE.start_main_~#data~1.base|) 1)), 2723#(and (= |ULTIMATE.start_main_~#data~1.offset| 0) (or (not (= |ULTIMATE.start_main_~#data~1.base| |my_callbackThread1of1ForFork1_#in~arg.base|)) (not (= (+ |ULTIMATE.start_main_~#data~1.offset| 28) |my_callbackThread1of1ForFork1_#in~arg.offset|))) (or (= |ULTIMATE.start_main_~#data~1.base| |my_callbackThread1of1ForFork1_#in~arg.base|) (and (= (select (select |#memory_int| |ULTIMATE.start_main_~#data~1.base|) (+ |ULTIMATE.start_main_~#data~1.offset| 28)) 2) (not (and (= |ULTIMATE.start_main_~#data~1.base| my_callbackThread1of1ForFork0_~data~0.base) (= |ULTIMATE.start_main_~#data~1.offset| my_callbackThread1of1ForFork0_~data~0.offset)))) (and (= |ULTIMATE.start_main_~#data~1.base| my_callbackThread1of1ForFork0_~data~0.base) (= |ULTIMATE.start_main_~#data~1.offset| my_callbackThread1of1ForFork0_~data~0.offset) (= 1 |my_callbackThread1of1ForFork0_#t~mem30|))) (or (and (= (select (select |#memory_int| |ULTIMATE.start_main_~#data~1.base|) (+ |ULTIMATE.start_main_~#data~1.offset| 28)) 2) (not (and (= |ULTIMATE.start_main_~#data~1.base| my_callbackThread1of1ForFork0_~data~0.base) (= |ULTIMATE.start_main_~#data~1.offset| my_callbackThread1of1ForFork0_~data~0.offset)))) (and (= |ULTIMATE.start_main_~#data~1.base| my_callbackThread1of1ForFork0_~data~0.base) (= |ULTIMATE.start_main_~#data~1.offset| my_callbackThread1of1ForFork0_~data~0.offset) (= 1 |my_callbackThread1of1ForFork0_#t~mem30|)) (= (+ |ULTIMATE.start_main_~#data~1.offset| 24) |my_callbackThread1of1ForFork1_#in~arg.offset|)) (= (select |#valid| |ULTIMATE.start_main_~#data~1.base|) 1) (or (not (= (+ |ULTIMATE.start_main_~#data~1.offset| 24) |my_callbackThread1of1ForFork1_#in~arg.offset|)) (not (= |ULTIMATE.start_main_~#data~1.base| |my_callbackThread1of1ForFork1_#in~arg.base|)) (and (= |my_callbackThread1of1ForFork0_#t~mem30| 0) (= my_callbackThread1of1ForFork0_~data~0.base |my_callbackThread1of1ForFork1_#in~arg.base|) (= |my_callbackThread1of1ForFork1_#in~arg.offset| (+ my_callbackThread1of1ForFork0_~data~0.offset 24))) (and (not (and (= my_callbackThread1of1ForFork0_~data~0.base |my_callbackThread1of1ForFork1_#in~arg.base|) (= |my_callbackThread1of1ForFork1_#in~arg.offset| (+ my_callbackThread1of1ForFork0_~data~0.offset 24)))) (= (select (select |#memory_int| |my_callbackThread1of1ForFork1_#in~arg.base|) (+ |my_callbackThread1of1ForFork1_#in~arg.offset| 4)) 1)))), 2724#(and (= |ULTIMATE.start_main_~#data~1.base| |my_callbackThread1of1ForFork1_#in~arg.base|) (= |ULTIMATE.start_main_~#data~1.offset| 0) (or (= (select (select |#memory_int| |my_callbackThread1of1ForFork1_#in~arg.base|) (+ |my_callbackThread1of1ForFork1_#in~arg.offset| 4)) 1) (= (+ my_callbackThread1of1ForFork0_~data~0.offset 24) |my_callbackThread1of1ForFork1_#in~arg.offset|)) (or (= |my_callbackThread1of1ForFork0_#t~mem30| 0) (not (= my_callbackThread1of1ForFork0_~data~0.base |my_callbackThread1of1ForFork1_#in~arg.base|)) (not (= (+ my_callbackThread1of1ForFork0_~data~0.offset 24) |my_callbackThread1of1ForFork1_#in~arg.offset|))) (or (= (select (select |#memory_int| |my_callbackThread1of1ForFork1_#in~arg.base|) (+ |my_callbackThread1of1ForFork1_#in~arg.offset| 4)) 1) (= my_callbackThread1of1ForFork0_~data~0.base |my_callbackThread1of1ForFork1_#in~arg.base|)) (= (+ |ULTIMATE.start_main_~#data~1.offset| 24) |my_callbackThread1of1ForFork1_#in~arg.offset|) (= (select |#valid| |ULTIMATE.start_main_~#data~1.base|) 1)), 2725#(and (= |ULTIMATE.start_main_~#data~1.offset| 0) (or (not (= (+ |ULTIMATE.start_main_~#data~1.offset| 24) |my_callbackThread1of1ForFork1_#in~arg.offset|)) (not (= |ULTIMATE.start_main_~#data~1.base| |my_callbackThread1of1ForFork1_#in~arg.base|)) (and (= (select (select |#memory_int| my_callbackThread1of1ForFork0_~data~0.base) (+ my_callbackThread1of1ForFork0_~data~0.offset 28)) 0) (= my_callbackThread1of1ForFork0_~data~0.base |my_callbackThread1of1ForFork1_#in~arg.base|) (= |my_callbackThread1of1ForFork1_#in~arg.offset| (+ my_callbackThread1of1ForFork0_~data~0.offset 24))) (and (= (select (select |#memory_int| |my_callbackThread1of1ForFork1_#in~arg.base|) (+ |my_callbackThread1of1ForFork1_#in~arg.offset| 4)) 1) (or (not (= |my_callbackThread1of1ForFork1_#in~arg.offset| (+ my_callbackThread1of1ForFork0_~data~0.offset 24))) (not (= my_callbackThread1of1ForFork0_~data~0.base |my_callbackThread1of1ForFork1_#in~arg.base|))))) (or (and (= (select (select |#memory_int| |ULTIMATE.start_main_~#data~1.base|) (+ |ULTIMATE.start_main_~#data~1.offset| 28)) 2) (or (not (= |ULTIMATE.start_main_~#data~1.base| my_callbackThread1of1ForFork0_~data~0.base)) (not (= |ULTIMATE.start_main_~#data~1.offset| my_callbackThread1of1ForFork0_~data~0.offset)))) (= (+ |ULTIMATE.start_main_~#data~1.offset| 24) |my_callbackThread1of1ForFork1_#in~arg.offset|) (and (= |ULTIMATE.start_main_~#data~1.base| my_callbackThread1of1ForFork0_~data~0.base) (= |ULTIMATE.start_main_~#data~1.offset| my_callbackThread1of1ForFork0_~data~0.offset) (= (select (select |#memory_int| my_callbackThread1of1ForFork0_~data~0.base) (+ my_callbackThread1of1ForFork0_~data~0.offset 28)) 1))) (or (not (= |ULTIMATE.start_main_~#data~1.base| |my_callbackThread1of1ForFork1_#in~arg.base|)) (not (= (+ |ULTIMATE.start_main_~#data~1.offset| 28) |my_callbackThread1of1ForFork1_#in~arg.offset|))) (= (select |#valid| |ULTIMATE.start_main_~#data~1.base|) 1) (or (= |ULTIMATE.start_main_~#data~1.base| |my_callbackThread1of1ForFork1_#in~arg.base|) (and (= (select (select |#memory_int| |ULTIMATE.start_main_~#data~1.base|) (+ |ULTIMATE.start_main_~#data~1.offset| 28)) 2) (or (not (= |ULTIMATE.start_main_~#data~1.base| my_callbackThread1of1ForFork0_~data~0.base)) (not (= |ULTIMATE.start_main_~#data~1.offset| my_callbackThread1of1ForFork0_~data~0.offset)))) (and (= |ULTIMATE.start_main_~#data~1.base| my_callbackThread1of1ForFork0_~data~0.base) (= |ULTIMATE.start_main_~#data~1.offset| my_callbackThread1of1ForFork0_~data~0.offset) (= (select (select |#memory_int| my_callbackThread1of1ForFork0_~data~0.base) (+ my_callbackThread1of1ForFork0_~data~0.offset 28)) 1)))), 2726#(and (= |ULTIMATE.start_main_~#data~1.base| |my_callbackThread1of1ForFork1_#in~arg.base|) (= |ULTIMATE.start_main_~#data~1.offset| 0) (or (= (select (select |#memory_int| |my_callbackThread1of1ForFork1_#in~arg.base|) (+ |my_callbackThread1of1ForFork1_#in~arg.offset| 4)) 1) (= my_callbackThread1of1ForFork0_~data~0.base |my_callbackThread1of1ForFork1_#in~arg.base|)) (or (and (= (select (select |#memory_int| |my_callbackThread1of1ForFork1_#in~arg.base|) (+ |my_callbackThread1of1ForFork1_#in~arg.offset| 4)) 1) (or (not (= my_callbackThread1of1ForFork0_~data~0.base |my_callbackThread1of1ForFork1_#in~arg.base|)) (not (= (+ my_callbackThread1of1ForFork0_~data~0.offset 24) |my_callbackThread1of1ForFork1_#in~arg.offset|)))) (and (= (select (select |#memory_int| my_callbackThread1of1ForFork0_~data~0.base) (+ my_callbackThread1of1ForFork0_~data~0.offset 28)) 0) (= (+ my_callbackThread1of1ForFork0_~data~0.offset 24) |my_callbackThread1of1ForFork1_#in~arg.offset|))) (= (+ |ULTIMATE.start_main_~#data~1.offset| 24) |my_callbackThread1of1ForFork1_#in~arg.offset|) (= (select |#valid| |ULTIMATE.start_main_~#data~1.base|) 1))] [2020-10-16 13:52:36,488 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-16 13:52:36,488 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 13:52:36,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-16 13:52:36,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2020-10-16 13:52:36,489 INFO L87 Difference]: Start difference. First operand 94 states and 175 transitions. Second operand 21 states. [2020-10-16 13:52:37,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 13:52:37,949 INFO L93 Difference]: Finished difference Result 186 states and 344 transitions. [2020-10-16 13:52:37,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-16 13:52:37,950 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 18 [2020-10-16 13:52:37,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 13:52:37,951 INFO L225 Difference]: With dead ends: 186 [2020-10-16 13:52:37,951 INFO L226 Difference]: Without dead ends: 178 [2020-10-16 13:52:37,952 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=121, Invalid=749, Unknown=0, NotChecked=0, Total=870 [2020-10-16 13:52:37,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2020-10-16 13:52:37,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 104. [2020-10-16 13:52:37,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-10-16 13:52:37,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 197 transitions. [2020-10-16 13:52:37,957 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 197 transitions. Word has length 18 [2020-10-16 13:52:37,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 13:52:37,958 INFO L481 AbstractCegarLoop]: Abstraction has 104 states and 197 transitions. [2020-10-16 13:52:37,958 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-16 13:52:37,958 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 197 transitions. [2020-10-16 13:52:37,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-16 13:52:37,959 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:52:37,959 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 13:52:37,960 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-16 13:52:37,960 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:52:37,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:52:37,960 INFO L82 PathProgramCache]: Analyzing trace with hash 1046484834, now seen corresponding path program 2 times [2020-10-16 13:52:37,967 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:52:37,967 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718333867] [2020-10-16 13:52:37,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:52:38,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 13:52:38,756 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 13:52:38,756 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718333867] [2020-10-16 13:52:38,757 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 13:52:38,757 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-16 13:52:38,757 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1603673820] [2020-10-16 13:52:38,757 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 13:52:38,764 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 13:52:38,779 INFO L258 McrAutomatonBuilder]: Finished intersection with 28 states and 36 transitions. [2020-10-16 13:52:38,779 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 13:52:38,791 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:38,795 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:38,798 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:38,820 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 13:52:38,823 INFO L545 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:38,826 INFO L545 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:38,828 INFO L545 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:38,835 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 13:52:38,835 INFO L513 ElimStorePlain]: Eliminatee |#memory_$Pointer$.base| vanished before elimination [2020-10-16 13:52:38,836 INFO L513 ElimStorePlain]: Eliminatee |#memory_$Pointer$.offset| vanished before elimination [2020-10-16 13:52:38,836 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-10-16 13:52:38,836 INFO L244 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:152, output treesize:29 [2020-10-16 13:52:38,987 INFO L603 QuantifierPusher]: Distributing 5 disjuncts over 3 conjuncts [2020-10-16 13:52:39,009 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:39,019 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:39,022 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:39,027 INFO L545 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:39,029 INFO L545 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:39,033 INFO L545 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:39,074 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 13:52:39,077 INFO L545 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:39,080 INFO L545 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:39,083 INFO L545 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:39,086 INFO L545 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:39,091 INFO L545 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:39,093 INFO L545 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:39,107 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 13:52:39,107 INFO L513 ElimStorePlain]: Eliminatee |#memory_$Pointer$.base| vanished before elimination [2020-10-16 13:52:39,107 INFO L513 ElimStorePlain]: Eliminatee |#memory_$Pointer$.offset| vanished before elimination [2020-10-16 13:52:39,107 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-2 vars, End of recursive call: and 6 xjuncts. [2020-10-16 13:52:39,108 INFO L244 ElimStorePlain]: Needed 13 recursive calls to eliminate 4 variables, input treesize:305, output treesize:59 [2020-10-16 13:52:39,313 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 5 new interpolants: [3153#(and (= |ULTIMATE.start_main_~#data~1.offset| 0) (not (= |ULTIMATE.start_my_drv_disconnect_~#status~0.base| |ULTIMATE.start_main_~#data~1.base|)) (or (and (= |ULTIMATE.start_main_~#data~1.offset| my_callbackThread1of1ForFork1_~data~0.offset) (= |ULTIMATE.start_main_~#data~1.base| my_callbackThread1of1ForFork1_~data~0.base) (= 1 |my_callbackThread1of1ForFork1_#t~mem30|)) (and (= (select (select |#memory_int| |ULTIMATE.start_main_~#data~1.base|) (+ |ULTIMATE.start_main_~#data~1.offset| 28)) 2) (not (and (= |ULTIMATE.start_main_~#data~1.offset| my_callbackThread1of1ForFork1_~data~0.offset) (= |ULTIMATE.start_main_~#data~1.base| my_callbackThread1of1ForFork1_~data~0.base)))))), 3154#(and (= |ULTIMATE.start_main_~#data~1.offset| 0) (not (= |ULTIMATE.start_my_drv_disconnect_~#status~0.base| |ULTIMATE.start_main_~#data~1.base|)) (or (and (= (select (select |#memory_int| |ULTIMATE.start_main_~#data~1.base|) (+ |ULTIMATE.start_main_~#data~1.offset| 28)) 2) (or (not (= |ULTIMATE.start_main_~#data~1.offset| my_callbackThread1of1ForFork1_~data~0.offset)) (not (= |ULTIMATE.start_main_~#data~1.base| my_callbackThread1of1ForFork1_~data~0.base)))) (and (= (select (select |#memory_int| my_callbackThread1of1ForFork1_~data~0.base) (+ my_callbackThread1of1ForFork1_~data~0.offset 28)) 1) (= |ULTIMATE.start_main_~#data~1.offset| my_callbackThread1of1ForFork1_~data~0.offset) (= |ULTIMATE.start_main_~#data~1.base| my_callbackThread1of1ForFork1_~data~0.base)))), 3155#(and (= (select (select |#memory_int| my_callbackThread1of1ForFork1_~data~0.base) (+ my_callbackThread1of1ForFork1_~data~0.offset 28)) 1) (= |ULTIMATE.start_main_~#data~1.offset| 0) (= |ULTIMATE.start_main_~#data~1.base| my_callbackThread1of1ForFork1_~data~0.base) (= my_callbackThread1of1ForFork1_~data~0.offset |ULTIMATE.start_main_~#data~1.offset|) (not (= |ULTIMATE.start_my_drv_disconnect_~#status~0.base| my_callbackThread1of1ForFork1_~data~0.base))), 3156#(and (= |ULTIMATE.start_main_~#data~1.base| |my_callbackThread1of1ForFork1_#in~arg.base|) (or (and (<= 0 |my_callbackThread1of1ForFork0_#t~mem30|) (= my_callbackThread1of1ForFork0_~data~0.base |my_callbackThread1of1ForFork1_#in~arg.base|) (= |my_callbackThread1of1ForFork1_#in~arg.offset| (+ my_callbackThread1of1ForFork0_~data~0.offset 24))) (and (<= 1 (select (select |#memory_int| |my_callbackThread1of1ForFork1_#in~arg.base|) (+ |my_callbackThread1of1ForFork1_#in~arg.offset| 4))) (not (and (= my_callbackThread1of1ForFork0_~data~0.base |my_callbackThread1of1ForFork1_#in~arg.base|) (= |my_callbackThread1of1ForFork1_#in~arg.offset| (+ my_callbackThread1of1ForFork0_~data~0.offset 24)))))) (= |ULTIMATE.start_main_~#data~1.offset| 0) (or (and (<= (select (select |#memory_int| |my_callbackThread1of1ForFork1_#in~arg.base|) (+ |my_callbackThread1of1ForFork1_#in~arg.offset| 4)) 1) (not (and (= my_callbackThread1of1ForFork0_~data~0.base |my_callbackThread1of1ForFork1_#in~arg.base|) (= |my_callbackThread1of1ForFork1_#in~arg.offset| (+ my_callbackThread1of1ForFork0_~data~0.offset 24))))) (and (<= |my_callbackThread1of1ForFork0_#t~mem30| 0) (= my_callbackThread1of1ForFork0_~data~0.base |my_callbackThread1of1ForFork1_#in~arg.base|) (= |my_callbackThread1of1ForFork1_#in~arg.offset| (+ my_callbackThread1of1ForFork0_~data~0.offset 24)))) (= (+ |ULTIMATE.start_main_~#data~1.offset| 24) |my_callbackThread1of1ForFork1_#in~arg.offset|) (= (select |#valid| |ULTIMATE.start_main_~#data~1.base|) 1)), 3157#(and (= |ULTIMATE.start_main_~#data~1.base| |my_callbackThread1of1ForFork1_#in~arg.base|) (= |ULTIMATE.start_main_~#data~1.offset| 0) (or (and (<= (select (select |#memory_int| my_callbackThread1of1ForFork0_~data~0.base) (+ my_callbackThread1of1ForFork0_~data~0.offset 28)) 0) (= my_callbackThread1of1ForFork0_~data~0.base |my_callbackThread1of1ForFork1_#in~arg.base|) (= (+ my_callbackThread1of1ForFork0_~data~0.offset 24) |my_callbackThread1of1ForFork1_#in~arg.offset|)) (and (<= (select (select |#memory_int| |my_callbackThread1of1ForFork1_#in~arg.base|) (+ |my_callbackThread1of1ForFork1_#in~arg.offset| 4)) 1) (or (not (= my_callbackThread1of1ForFork0_~data~0.base |my_callbackThread1of1ForFork1_#in~arg.base|)) (not (= (+ my_callbackThread1of1ForFork0_~data~0.offset 24) |my_callbackThread1of1ForFork1_#in~arg.offset|))))) (= (+ |ULTIMATE.start_main_~#data~1.offset| 24) |my_callbackThread1of1ForFork1_#in~arg.offset|) (or (<= 1 (select (select |#memory_int| |my_callbackThread1of1ForFork1_#in~arg.base|) (+ |my_callbackThread1of1ForFork1_#in~arg.offset| 4))) (and (<= 0 (select (select |#memory_int| my_callbackThread1of1ForFork0_~data~0.base) (+ my_callbackThread1of1ForFork0_~data~0.offset 28))) (= my_callbackThread1of1ForFork0_~data~0.base |my_callbackThread1of1ForFork1_#in~arg.base|) (= (+ my_callbackThread1of1ForFork0_~data~0.offset 24) |my_callbackThread1of1ForFork1_#in~arg.offset|))) (= (select |#valid| |ULTIMATE.start_main_~#data~1.base|) 1))] [2020-10-16 13:52:39,313 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-16 13:52:39,314 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 13:52:39,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-16 13:52:39,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=301, Unknown=0, NotChecked=0, Total=342 [2020-10-16 13:52:39,315 INFO L87 Difference]: Start difference. First operand 104 states and 197 transitions. Second operand 19 states. [2020-10-16 13:52:40,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 13:52:40,941 INFO L93 Difference]: Finished difference Result 181 states and 338 transitions. [2020-10-16 13:52:40,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-16 13:52:40,942 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 18 [2020-10-16 13:52:40,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 13:52:40,944 INFO L225 Difference]: With dead ends: 181 [2020-10-16 13:52:40,944 INFO L226 Difference]: Without dead ends: 163 [2020-10-16 13:52:40,945 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=121, Invalid=691, Unknown=0, NotChecked=0, Total=812 [2020-10-16 13:52:40,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2020-10-16 13:52:40,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 100. [2020-10-16 13:52:40,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-10-16 13:52:40,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 189 transitions. [2020-10-16 13:52:40,950 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 189 transitions. Word has length 18 [2020-10-16 13:52:40,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 13:52:40,950 INFO L481 AbstractCegarLoop]: Abstraction has 100 states and 189 transitions. [2020-10-16 13:52:40,950 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-16 13:52:40,950 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 189 transitions. [2020-10-16 13:52:40,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-16 13:52:40,952 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:52:40,952 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 13:52:40,952 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-16 13:52:40,952 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:52:40,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:52:40,952 INFO L82 PathProgramCache]: Analyzing trace with hash 646402192, now seen corresponding path program 2 times [2020-10-16 13:52:40,957 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:52:40,958 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639030024] [2020-10-16 13:52:40,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:52:40,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 13:52:41,195 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 13:52:41,196 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639030024] [2020-10-16 13:52:41,196 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 13:52:41,196 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-16 13:52:41,197 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [175849329] [2020-10-16 13:52:41,197 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 13:52:41,203 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 13:52:41,211 INFO L258 McrAutomatonBuilder]: Finished intersection with 26 states and 32 transitions. [2020-10-16 13:52:41,212 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 13:52:41,226 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:41,229 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:41,232 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:41,258 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 13:52:41,263 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 1 [2020-10-16 13:52:41,263 INFO L545 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:41,276 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 1 [2020-10-16 13:52:41,276 INFO L545 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:41,281 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 1 [2020-10-16 13:52:41,281 INFO L545 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:41,291 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 13:52:41,291 INFO L513 ElimStorePlain]: Eliminatee |#memory_$Pointer$.offset| vanished before elimination [2020-10-16 13:52:41,292 INFO L513 ElimStorePlain]: Eliminatee |v_#memory_$Pointer$.base_89| vanished before elimination [2020-10-16 13:52:41,292 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 4 dim-2 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2020-10-16 13:52:41,293 INFO L244 ElimStorePlain]: Needed 7 recursive calls to eliminate 5 variables, input treesize:152, output treesize:29 [2020-10-16 13:52:41,350 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 13:52:41,350 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-16 13:52:41,350 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 13:52:41,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-16 13:52:41,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-16 13:52:41,351 INFO L87 Difference]: Start difference. First operand 100 states and 189 transitions. Second operand 8 states. [2020-10-16 13:52:41,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 13:52:41,692 INFO L93 Difference]: Finished difference Result 123 states and 224 transitions. [2020-10-16 13:52:41,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-16 13:52:41,693 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 18 [2020-10-16 13:52:41,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 13:52:41,694 INFO L225 Difference]: With dead ends: 123 [2020-10-16 13:52:41,694 INFO L226 Difference]: Without dead ends: 123 [2020-10-16 13:52:41,695 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2020-10-16 13:52:41,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-10-16 13:52:41,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 100. [2020-10-16 13:52:41,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-10-16 13:52:41,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 189 transitions. [2020-10-16 13:52:41,699 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 189 transitions. Word has length 18 [2020-10-16 13:52:41,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 13:52:41,700 INFO L481 AbstractCegarLoop]: Abstraction has 100 states and 189 transitions. [2020-10-16 13:52:41,700 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-16 13:52:41,700 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 189 transitions. [2020-10-16 13:52:41,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-16 13:52:41,702 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:52:41,702 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 13:52:41,702 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-16 13:52:41,702 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:52:41,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:52:41,703 INFO L82 PathProgramCache]: Analyzing trace with hash 646402210, now seen corresponding path program 3 times [2020-10-16 13:52:41,705 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:52:41,705 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166724533] [2020-10-16 13:52:41,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:52:41,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 13:52:42,446 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 13:52:42,447 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166724533] [2020-10-16 13:52:42,447 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 13:52:42,447 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-16 13:52:42,448 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1181617429] [2020-10-16 13:52:42,448 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 13:52:42,452 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 13:52:42,459 INFO L258 McrAutomatonBuilder]: Finished intersection with 26 states and 32 transitions. [2020-10-16 13:52:42,459 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 13:52:42,474 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 1 [2020-10-16 13:52:42,475 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:42,480 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 1 [2020-10-16 13:52:42,480 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:42,498 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 1 [2020-10-16 13:52:42,498 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:42,504 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 1 [2020-10-16 13:52:42,505 INFO L545 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:42,511 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 1 [2020-10-16 13:52:42,511 INFO L545 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:42,522 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 1 [2020-10-16 13:52:42,522 INFO L545 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:42,572 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 13:52:42,572 INFO L513 ElimStorePlain]: Eliminatee |v_#memory_$Pointer$.base_91| vanished before elimination [2020-10-16 13:52:42,578 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 1 [2020-10-16 13:52:42,578 INFO L545 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:42,584 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 1 [2020-10-16 13:52:42,584 INFO L545 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:42,590 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 1 [2020-10-16 13:52:42,590 INFO L545 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:42,597 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 1 [2020-10-16 13:52:42,598 INFO L545 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:42,603 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 1 [2020-10-16 13:52:42,603 INFO L545 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:42,608 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 1 [2020-10-16 13:52:42,608 INFO L545 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:42,622 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 13:52:42,622 INFO L513 ElimStorePlain]: Eliminatee |v_#memory_$Pointer$.offset_91| vanished before elimination [2020-10-16 13:52:42,623 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-2 vars, End of recursive call: and 6 xjuncts. [2020-10-16 13:52:42,623 INFO L244 ElimStorePlain]: Needed 13 recursive calls to eliminate 4 variables, input treesize:305, output treesize:59 [2020-10-16 13:52:42,824 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:42,827 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:42,829 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:42,848 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 13:52:42,848 INFO L513 ElimStorePlain]: Eliminatee |#memory_$Pointer$.base| vanished before elimination [2020-10-16 13:52:42,853 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 1 [2020-10-16 13:52:42,854 INFO L545 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:42,859 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 1 [2020-10-16 13:52:42,859 INFO L545 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:42,867 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 1 [2020-10-16 13:52:42,867 INFO L545 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:42,878 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 13:52:42,878 INFO L513 ElimStorePlain]: Eliminatee |v_#memory_$Pointer$.offset_92| vanished before elimination [2020-10-16 13:52:42,879 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-10-16 13:52:42,879 INFO L244 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:152, output treesize:29 [2020-10-16 13:52:43,001 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:43,012 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:43,015 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:43,018 INFO L545 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:43,021 INFO L545 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:43,024 INFO L545 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:43,116 INFO L625 ElimStorePlain]: treesize reduction 46, result has 77.3 percent of original size [2020-10-16 13:52:43,117 INFO L513 ElimStorePlain]: Eliminatee |#memory_$Pointer$.base| vanished before elimination [2020-10-16 13:52:43,128 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2020-10-16 13:52:43,128 INFO L545 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:43,135 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2020-10-16 13:52:43,135 INFO L545 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:43,140 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2020-10-16 13:52:43,140 INFO L545 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:43,145 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2020-10-16 13:52:43,145 INFO L545 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:43,152 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2020-10-16 13:52:43,152 INFO L545 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:43,180 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 13:52:43,180 INFO L513 ElimStorePlain]: Eliminatee |v_#memory_$Pointer$.offset_93| vanished before elimination [2020-10-16 13:52:43,181 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-2 vars, End of recursive call: and 5 xjuncts. [2020-10-16 13:52:43,181 INFO L244 ElimStorePlain]: Needed 12 recursive calls to eliminate 4 variables, input treesize:299, output treesize:75 [2020-10-16 13:52:43,271 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:43,272 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:43,274 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:43,275 INFO L545 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:43,277 INFO L545 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:43,279 INFO L545 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:43,451 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 38 [2020-10-16 13:52:43,451 INFO L625 ElimStorePlain]: treesize reduction 210, result has 32.5 percent of original size [2020-10-16 13:52:43,452 INFO L513 ElimStorePlain]: Eliminatee |v_#memory_$Pointer$.base_94| vanished before elimination [2020-10-16 13:52:43,452 INFO L513 ElimStorePlain]: Eliminatee |#memory_$Pointer$.base| vanished before elimination [2020-10-16 13:52:43,452 INFO L513 ElimStorePlain]: Eliminatee |#memory_$Pointer$.offset| vanished before elimination [2020-10-16 13:52:43,452 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-2 vars, End of recursive call: and 10 xjuncts. [2020-10-16 13:52:43,453 INFO L244 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:431, output treesize:101 [2020-10-16 13:52:43,531 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 5 new interpolants: [3914#(and (= |ULTIMATE.start_main_~#data~1.base| |my_callbackThread1of1ForFork1_#in~arg.base|) (or (and (<= 0 |my_callbackThread1of1ForFork0_#t~mem30|) (= my_callbackThread1of1ForFork0_~data~0.base |my_callbackThread1of1ForFork1_#in~arg.base|) (= |my_callbackThread1of1ForFork1_#in~arg.offset| (+ my_callbackThread1of1ForFork0_~data~0.offset 24))) (and (<= 1 (select (select |#memory_int| |my_callbackThread1of1ForFork1_#in~arg.base|) (+ |my_callbackThread1of1ForFork1_#in~arg.offset| 4))) (not (and (= my_callbackThread1of1ForFork0_~data~0.base |my_callbackThread1of1ForFork1_#in~arg.base|) (= |my_callbackThread1of1ForFork1_#in~arg.offset| (+ my_callbackThread1of1ForFork0_~data~0.offset 24)))))) (= |ULTIMATE.start_main_~#data~1.offset| 0) (or (and (<= (select (select |#memory_int| |my_callbackThread1of1ForFork1_#in~arg.base|) (+ |my_callbackThread1of1ForFork1_#in~arg.offset| 4)) 1) (not (and (= my_callbackThread1of1ForFork0_~data~0.base |my_callbackThread1of1ForFork1_#in~arg.base|) (= |my_callbackThread1of1ForFork1_#in~arg.offset| (+ my_callbackThread1of1ForFork0_~data~0.offset 24))))) (and (<= |my_callbackThread1of1ForFork0_#t~mem30| 0) (= my_callbackThread1of1ForFork0_~data~0.base |my_callbackThread1of1ForFork1_#in~arg.base|) (= |my_callbackThread1of1ForFork1_#in~arg.offset| (+ my_callbackThread1of1ForFork0_~data~0.offset 24)))) (= (+ |ULTIMATE.start_main_~#data~1.offset| 24) |my_callbackThread1of1ForFork1_#in~arg.offset|) (= (select |#valid| |ULTIMATE.start_main_~#data~1.base|) 1)), 3915#(and (= |ULTIMATE.start_main_~#data~1.base| |my_callbackThread1of1ForFork1_#in~arg.base|) (= |ULTIMATE.start_main_~#data~1.offset| 0) (or (and (<= (select (select |#memory_int| my_callbackThread1of1ForFork0_~data~0.base) (+ my_callbackThread1of1ForFork0_~data~0.offset 28)) 0) (= my_callbackThread1of1ForFork0_~data~0.base |my_callbackThread1of1ForFork1_#in~arg.base|) (= (+ my_callbackThread1of1ForFork0_~data~0.offset 24) |my_callbackThread1of1ForFork1_#in~arg.offset|)) (and (<= (select (select |#memory_int| |my_callbackThread1of1ForFork1_#in~arg.base|) (+ |my_callbackThread1of1ForFork1_#in~arg.offset| 4)) 1) (or (not (= my_callbackThread1of1ForFork0_~data~0.base |my_callbackThread1of1ForFork1_#in~arg.base|)) (not (= (+ my_callbackThread1of1ForFork0_~data~0.offset 24) |my_callbackThread1of1ForFork1_#in~arg.offset|))))) (= (+ |ULTIMATE.start_main_~#data~1.offset| 24) |my_callbackThread1of1ForFork1_#in~arg.offset|) (or (<= 1 (select (select |#memory_int| |my_callbackThread1of1ForFork1_#in~arg.base|) (+ |my_callbackThread1of1ForFork1_#in~arg.offset| 4))) (and (<= 0 (select (select |#memory_int| my_callbackThread1of1ForFork0_~data~0.base) (+ my_callbackThread1of1ForFork0_~data~0.offset 28))) (= my_callbackThread1of1ForFork0_~data~0.base |my_callbackThread1of1ForFork1_#in~arg.base|) (= (+ my_callbackThread1of1ForFork0_~data~0.offset 24) |my_callbackThread1of1ForFork1_#in~arg.offset|))) (= (select |#valid| |ULTIMATE.start_main_~#data~1.base|) 1)), 3916#(and (= |ULTIMATE.start_main_~#data~1.offset| 0) (not (= |ULTIMATE.start_my_drv_disconnect_~#status~0.base| |ULTIMATE.start_main_~#data~1.base|)) (or (and (= |ULTIMATE.start_main_~#data~1.offset| my_callbackThread1of1ForFork1_~data~0.offset) (= |ULTIMATE.start_main_~#data~1.base| my_callbackThread1of1ForFork1_~data~0.base) (= 1 |my_callbackThread1of1ForFork1_#t~mem30|)) (and (= (select (select |#memory_int| |ULTIMATE.start_main_~#data~1.base|) (+ |ULTIMATE.start_main_~#data~1.offset| 28)) 2) (not (and (= |ULTIMATE.start_main_~#data~1.offset| my_callbackThread1of1ForFork1_~data~0.offset) (= |ULTIMATE.start_main_~#data~1.base| my_callbackThread1of1ForFork1_~data~0.base)))))), 3917#(and (= |ULTIMATE.start_main_~#data~1.offset| 0) (not (= |ULTIMATE.start_my_drv_disconnect_~#status~0.base| |ULTIMATE.start_main_~#data~1.base|)) (or (and (= (select (select |#memory_int| |ULTIMATE.start_main_~#data~1.base|) (+ |ULTIMATE.start_main_~#data~1.offset| 28)) 2) (or (not (= |ULTIMATE.start_main_~#data~1.offset| my_callbackThread1of1ForFork1_~data~0.offset)) (not (= |ULTIMATE.start_main_~#data~1.base| my_callbackThread1of1ForFork1_~data~0.base)))) (and (= (select (select |#memory_int| my_callbackThread1of1ForFork1_~data~0.base) (+ my_callbackThread1of1ForFork1_~data~0.offset 28)) 1) (= |ULTIMATE.start_main_~#data~1.offset| my_callbackThread1of1ForFork1_~data~0.offset) (= |ULTIMATE.start_main_~#data~1.base| my_callbackThread1of1ForFork1_~data~0.base)))), 3918#(and (or (= (select (select |#memory_int| |my_callbackThread1of1ForFork1_#in~arg.base|) (+ |my_callbackThread1of1ForFork1_#in~arg.offset| 4)) 1) (not (= |ULTIMATE.start_main_~#data~1.base| |my_callbackThread1of1ForFork1_#in~arg.base|)) (not (= |my_callbackThread1of1ForFork1_#in~arg.offset| (+ |ULTIMATE.start_main_~#data~1.offset| 24)))) (= |ULTIMATE.start_main_~#data~1.offset| 0) (or (and (= (select (select |#memory_int| |ULTIMATE.start_main_~#data~1.base|) (+ |ULTIMATE.start_main_~#data~1.offset| 28)) 2) (not (and (= |ULTIMATE.start_main_~#data~1.base| |my_callbackThread1of1ForFork1_#in~arg.base|) (= (+ |ULTIMATE.start_main_~#data~1.offset| 28) |my_callbackThread1of1ForFork1_#in~arg.offset|)))) (= |my_callbackThread1of1ForFork1_#in~arg.offset| (+ |ULTIMATE.start_main_~#data~1.offset| 24))) (or (= |ULTIMATE.start_main_~#data~1.base| |my_callbackThread1of1ForFork1_#in~arg.base|) (and (= (select (select |#memory_int| |ULTIMATE.start_main_~#data~1.base|) (+ |ULTIMATE.start_main_~#data~1.offset| 28)) 2) (not (and (= |ULTIMATE.start_main_~#data~1.base| |my_callbackThread1of1ForFork1_#in~arg.base|) (= (+ |ULTIMATE.start_main_~#data~1.offset| 28) |my_callbackThread1of1ForFork1_#in~arg.offset|))))) (not (= |ULTIMATE.start_my_drv_disconnect_~#status~0.base| |ULTIMATE.start_main_~#data~1.base|)))] [2020-10-16 13:52:43,531 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-16 13:52:43,532 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 13:52:43,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-16 13:52:43,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=300, Unknown=0, NotChecked=0, Total=342 [2020-10-16 13:52:43,532 INFO L87 Difference]: Start difference. First operand 100 states and 189 transitions. Second operand 19 states. [2020-10-16 13:52:45,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 13:52:45,238 INFO L93 Difference]: Finished difference Result 190 states and 350 transitions. [2020-10-16 13:52:45,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-16 13:52:45,239 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 18 [2020-10-16 13:52:45,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 13:52:45,241 INFO L225 Difference]: With dead ends: 190 [2020-10-16 13:52:45,241 INFO L226 Difference]: Without dead ends: 168 [2020-10-16 13:52:45,242 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=115, Invalid=641, Unknown=0, NotChecked=0, Total=756 [2020-10-16 13:52:45,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2020-10-16 13:52:45,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 96. [2020-10-16 13:52:45,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-10-16 13:52:45,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 181 transitions. [2020-10-16 13:52:45,249 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 181 transitions. Word has length 18 [2020-10-16 13:52:45,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 13:52:45,250 INFO L481 AbstractCegarLoop]: Abstraction has 96 states and 181 transitions. [2020-10-16 13:52:45,250 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-16 13:52:45,250 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 181 transitions. [2020-10-16 13:52:45,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-16 13:52:45,251 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:52:45,251 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 13:52:45,251 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-16 13:52:45,252 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:52:45,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:52:45,252 INFO L82 PathProgramCache]: Analyzing trace with hash 1049440908, now seen corresponding path program 3 times [2020-10-16 13:52:45,253 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:52:45,254 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183274756] [2020-10-16 13:52:45,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:52:45,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 13:52:45,636 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 13:52:45,637 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183274756] [2020-10-16 13:52:45,637 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 13:52:45,637 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-16 13:52:45,637 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [551998070] [2020-10-16 13:52:45,638 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 13:52:45,641 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 13:52:45,649 INFO L258 McrAutomatonBuilder]: Finished intersection with 25 states and 30 transitions. [2020-10-16 13:52:45,650 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 13:52:45,675 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:45,715 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:45,719 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:45,740 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 13:52:45,743 INFO L545 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:45,746 INFO L545 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:45,748 INFO L545 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-10-16 13:52:45,755 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 13:52:45,755 INFO L513 ElimStorePlain]: Eliminatee |#memory_$Pointer$.base| vanished before elimination [2020-10-16 13:52:45,755 INFO L513 ElimStorePlain]: Eliminatee |#memory_$Pointer$.offset| vanished before elimination [2020-10-16 13:52:45,756 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 4 dim-2 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2020-10-16 13:52:45,756 INFO L244 ElimStorePlain]: Needed 7 recursive calls to eliminate 5 variables, input treesize:153, output treesize:30 [2020-10-16 13:52:45,757 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 13:52:45,757 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-16 13:52:45,757 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 13:52:45,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-16 13:52:45,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-10-16 13:52:45,758 INFO L87 Difference]: Start difference. First operand 96 states and 181 transitions. Second operand 11 states. [2020-10-16 13:52:46,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 13:52:46,334 INFO L93 Difference]: Finished difference Result 182 states and 324 transitions. [2020-10-16 13:52:46,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-16 13:52:46,335 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 18 [2020-10-16 13:52:46,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 13:52:46,336 INFO L225 Difference]: With dead ends: 182 [2020-10-16 13:52:46,336 INFO L226 Difference]: Without dead ends: 182 [2020-10-16 13:52:46,337 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2020-10-16 13:52:46,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2020-10-16 13:52:46,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 114. [2020-10-16 13:52:46,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-10-16 13:52:46,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 223 transitions. [2020-10-16 13:52:46,341 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 223 transitions. Word has length 18 [2020-10-16 13:52:46,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 13:52:46,341 INFO L481 AbstractCegarLoop]: Abstraction has 114 states and 223 transitions. [2020-10-16 13:52:46,341 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-16 13:52:46,341 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2020-10-16 13:52:46,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-16 13:52:46,342 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:52:46,342 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 13:52:46,342 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-16 13:52:46,342 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:52:46,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:52:46,343 INFO L82 PathProgramCache]: Analyzing trace with hash 1049440926, now seen corresponding path program 4 times [2020-10-16 13:52:46,344 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:52:46,344 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621237184] [2020-10-16 13:52:46,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:52:46,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 13:52:46,382 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 13:52:46,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 13:52:46,428 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 13:52:46,474 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 13:52:46,475 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 13:52:46,475 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-16 13:52:46,476 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-16 13:52:46,489 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [392] [392] L1682-->L1739: Formula: (and (not (= ULTIMATE.start_ldv_assert_~expression_Out1288657032 0)) (= ULTIMATE.start_ldv_assert_~expression_Out1288657032 |ULTIMATE.start_ldv_assert_#in~expression_In1288657032|)) InVars {ULTIMATE.start_ldv_assert_#in~expression=|ULTIMATE.start_ldv_assert_#in~expression_In1288657032|} OutVars{ULTIMATE.start_main_#t~mem40=|ULTIMATE.start_main_#t~mem40_Out1288657032|, ULTIMATE.start_ldv_assert_#in~expression=|ULTIMATE.start_ldv_assert_#in~expression_In1288657032|, ULTIMATE.start_ldv_assert_~expression=ULTIMATE.start_ldv_assert_~expression_Out1288657032} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem40, ULTIMATE.start_ldv_assert_~expression] because there is no mapped edge [2020-10-16 13:52:46,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 01:52:46 BasicIcfg [2020-10-16 13:52:46,567 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 13:52:46,572 INFO L168 Benchmark]: Toolchain (without parser) took 22731.29 ms. Allocated memory was 140.0 MB in the beginning and 468.2 MB in the end (delta: 328.2 MB). Free memory was 100.3 MB in the beginning and 321.6 MB in the end (delta: -221.3 MB). Peak memory consumption was 106.9 MB. Max. memory is 7.1 GB. [2020-10-16 13:52:46,572 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-10-16 13:52:46,573 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1361.00 ms. Allocated memory was 140.0 MB in the beginning and 236.5 MB in the end (delta: 96.5 MB). Free memory was 99.9 MB in the beginning and 170.5 MB in the end (delta: -70.6 MB). Peak memory consumption was 76.9 MB. Max. memory is 7.1 GB. [2020-10-16 13:52:46,573 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.24 ms. Allocated memory is still 236.5 MB. Free memory was 170.5 MB in the beginning and 166.0 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2020-10-16 13:52:46,579 INFO L168 Benchmark]: Boogie Preprocessor took 47.67 ms. Allocated memory is still 236.5 MB. Free memory was 166.0 MB in the beginning and 164.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 7.1 GB. [2020-10-16 13:52:46,580 INFO L168 Benchmark]: RCFGBuilder took 642.15 ms. Allocated memory is still 236.5 MB. Free memory was 163.0 MB in the beginning and 117.5 MB in the end (delta: 45.5 MB). Peak memory consumption was 45.5 MB. Max. memory is 7.1 GB. [2020-10-16 13:52:46,580 INFO L168 Benchmark]: TraceAbstraction took 20600.87 ms. Allocated memory was 236.5 MB in the beginning and 468.2 MB in the end (delta: 231.7 MB). Free memory was 117.5 MB in the beginning and 321.6 MB in the end (delta: -204.0 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB. [2020-10-16 13:52:46,583 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1361.00 ms. Allocated memory was 140.0 MB in the beginning and 236.5 MB in the end (delta: 96.5 MB). Free memory was 99.9 MB in the beginning and 170.5 MB in the end (delta: -70.6 MB). Peak memory consumption was 76.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 74.24 ms. Allocated memory is still 236.5 MB. Free memory was 170.5 MB in the beginning and 166.0 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 47.67 ms. Allocated memory is still 236.5 MB. Free memory was 166.0 MB in the beginning and 164.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 642.15 ms. Allocated memory is still 236.5 MB. Free memory was 163.0 MB in the beginning and 117.5 MB in the end (delta: 45.5 MB). Peak memory consumption was 45.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 20600.87 ms. Allocated memory was 236.5 MB in the beginning and 468.2 MB in the end (delta: 231.7 MB). Free memory was 117.5 MB in the beginning and 321.6 MB in the end (delta: -204.0 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1162 VarBasedMoverChecksPositive, 43 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 25 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 4.9s, 129 PlacesBefore, 34 PlacesAfterwards, 131 TransitionsBefore, 32 TransitionsAfterwards, 2200 CoEnabledTransitionPairs, 6 FixpointIterations, 63 TrivialSequentialCompositions, 52 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 16 ConcurrentYvCompositions, 4 ChoiceCompositions, 138 TotalNumberOfCompositions, 4067 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; [L1725] 0 return 0; [L1731] 0 int ret = my_drv_init(); [L1732] COND TRUE 0 ret==0 [L1733] 0 int probe_ret; [L1734] 0 struct my_data data; [L1704] 0 struct device *d = &data->dev; [L1706] 0 data->shared.a = 0 [L1707] 0 data->shared.b = 0 [L1708] 0 int res = __VERIFIER_nondet_int(); [L1709] COND FALSE 0 !(\read(res)) [L1711] FCALL, FORK 0 pthread_create(&t1, ((void *)0), my_callback, (void *)d) VAL [arg={6:24}, t1={5:0}, t2={7:0}] [L1696] 1 struct device *dev = (struct device*)arg; [L1697] 1 struct my_data *data; [L1698] 1 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); [L1698] 1 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) [L1699] 1 data->shared.a = 1 VAL [__mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, dev={6:24}, t1={5:0}, t2={7:0}] [L1700] 1 data->shared.b VAL [__mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, data->shared.b=0, dev={6:24}, t1={5:0}, t2={7:0}] [L1712] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, (void *)d) VAL [__mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, data->shared.b=0, dev={6:24}, t1={5:0}, t2={7:0}] [L1696] 2 struct device *dev = (struct device*)arg; [L1697] 2 struct my_data *data; [L1698] 2 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); [L1698] 2 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) [L1699] 2 data->shared.a = 1 VAL [__mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, data->shared.b=0, dev={6:24}, t1={5:0}, t2={7:0}] [L1700] EXPR 2 data->shared.b VAL [__mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, data->shared.b=0, dev={6:24}, t1={5:0}, t2={7:0}] [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; [L1713] 0 return 0; [L1735] 0 probe_ret = my_drv_probe(&data) VAL [\result={0:0}, __mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, dev={6:24}, t1={5:0}, t2={7:0}] [L1736] COND TRUE 0 probe_ret==0 [L1719] 0 void *status; [L1720] 0 \read(t1) VAL [\result={0:0}, __mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, dev={6:24}, t1={5:0}, t2={7:0}] [L1720] FCALL, JOIN 1 pthread_join(t1, &status) VAL [\result={0:0}, __mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, dev={6:24}, t1={5:0}, t2={7:0}] [L1721] 0 \read(t2) VAL [\result={0:0}, __mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, dev={6:24}, t1={5:0}, t2={7:0}] [L1721] FCALL, JOIN 2 pthread_join(t2, &status) VAL [\result={0:0}, __mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, dev={6:24}, t1={5:0}, t2={7:0}] [L1738] 0 data.shared.a [L1739] 0 data.shared.b [L1682] COND TRUE 0 !expression [L1682] 0 __VERIFIER_error() VAL [\result={0:0}, __mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, dev={6:24}, t1={5:0}, t2={7:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 111 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 20.3s, OverallIterations: 11, TraceHistogramMax: 1, AutomataDifference: 7.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.9s, HoareTripleCheckerStatistics: 179 SDtfs, 435 SDslu, 543 SDs, 0 SdLazy, 2538 SolverSat, 299 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 163 GetRequests, 18 SyntacticMatches, 3 SemanticMatches, 142 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 400 ImplicationChecksByTransitivity, 6.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=221occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 368 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 162 NumberOfCodeBlocks, 162 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 134 ConstructedInterpolants, 0 QuantifiedInterpolants, 42418 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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...