/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/pthread-wmm/thin000_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b09bf87 [2020-10-16 13:50:55,813 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 13:50:55,816 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 13:50:55,865 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 13:50:55,865 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 13:50:55,878 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 13:50:55,880 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 13:50:55,884 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 13:50:55,887 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 13:50:55,889 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 13:50:55,892 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 13:50:55,895 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 13:50:55,895 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 13:50:55,899 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 13:50:55,902 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 13:50:55,904 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 13:50:55,906 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 13:50:55,907 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 13:50:55,909 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 13:50:55,917 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 13:50:55,919 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 13:50:55,920 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 13:50:55,921 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 13:50:55,922 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 13:50:55,927 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-16 13:50:55,928 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-16 13:50:55,928 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-16 13:50:55,931 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-16 13:50:55,932 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-16 13:50:55,933 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-16 13:50:55,933 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 13:50:55,934 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 13:50:55,935 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 13:50:55,936 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 13:50:55,937 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 13:50:55,937 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 13:50:55,938 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 13:50:55,938 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 13:50:55,939 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 13:50:55,940 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 13:50:55,941 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 13:50:55,942 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 13:50:55,990 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 13:50:55,991 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 13:50:55,993 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 13:50:55,993 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 13:50:55,993 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 13:50:55,994 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 13:50:55,994 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 13:50:55,994 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 13:50:55,994 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 13:50:55,994 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 13:50:55,996 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 13:50:55,996 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 13:50:55,996 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 13:50:55,997 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 13:50:55,997 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 13:50:55,997 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 13:50:55,997 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 13:50:55,998 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 13:50:55,998 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 13:50:55,998 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 13:50:55,998 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 13:50:55,998 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 13:50:55,999 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 13:50:55,999 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-16 13:50:55,999 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 13:50:55,999 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 13:50:56,000 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 13:50:56,000 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-16 13:50:56,000 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-16 13:50:56,000 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-16 13:50:56,001 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-16 13:50:56,304 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 13:50:56,323 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 13:50:56,328 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 13:50:56,330 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 13:50:56,331 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 13:50:56,332 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/thin000_pso.opt.i [2020-10-16 13:50:56,418 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/82650b736/4217d3a12ddb43f48dbb04e2495a0712/FLAG981a46efb [2020-10-16 13:50:57,013 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 13:50:57,014 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-wmm/thin000_pso.opt.i [2020-10-16 13:50:57,030 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/82650b736/4217d3a12ddb43f48dbb04e2495a0712/FLAG981a46efb [2020-10-16 13:50:57,315 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/82650b736/4217d3a12ddb43f48dbb04e2495a0712 [2020-10-16 13:50:57,325 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 13:50:57,327 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 13:50:57,328 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 13:50:57,328 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 13:50:57,332 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 13:50:57,334 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:50:57" (1/1) ... [2020-10-16 13:50:57,338 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@364a7c7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:50:57, skipping insertion in model container [2020-10-16 13:50:57,339 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:50:57" (1/1) ... [2020-10-16 13:50:57,348 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 13:50:57,390 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 13:50:57,966 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 13:50:57,981 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 13:50:58,022 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 13:50:58,114 INFO L208 MainTranslator]: Completed translation [2020-10-16 13:50:58,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:50:58 WrapperNode [2020-10-16 13:50:58,116 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 13:50:58,117 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 13:50:58,117 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 13:50:58,117 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 13:50:58,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:50:58" (1/1) ... [2020-10-16 13:50:58,147 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:50:58" (1/1) ... [2020-10-16 13:50:58,172 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 13:50:58,173 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 13:50:58,173 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 13:50:58,173 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 13:50:58,186 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:50:58" (1/1) ... [2020-10-16 13:50:58,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:50:58" (1/1) ... [2020-10-16 13:50:58,190 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:50:58" (1/1) ... [2020-10-16 13:50:58,190 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:50:58" (1/1) ... [2020-10-16 13:50:58,197 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:50:58" (1/1) ... [2020-10-16 13:50:58,199 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:50:58" (1/1) ... [2020-10-16 13:50:58,201 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:50:58" (1/1) ... [2020-10-16 13:50:58,204 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 13:50:58,205 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 13:50:58,206 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 13:50:58,206 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 13:50:58,207 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:50:58" (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 13:50:58,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 13:50:58,269 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-16 13:50:58,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 13:50:58,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 13:50:58,270 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-16 13:50:58,270 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-16 13:50:58,270 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-16 13:50:58,271 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-16 13:50:58,271 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-16 13:50:58,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 13:50:58,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 13:50:58,273 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 13:50:58,630 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 13:50:58,630 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-10-16 13:50:58,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:50:58 BoogieIcfgContainer [2020-10-16 13:50:58,633 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 13:50:58,635 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 13:50:58,635 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 13:50:58,639 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 13:50:58,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 01:50:57" (1/3) ... [2020-10-16 13:50:58,641 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ae693e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:50:58, skipping insertion in model container [2020-10-16 13:50:58,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:50:58" (2/3) ... [2020-10-16 13:50:58,641 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ae693e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:50:58, skipping insertion in model container [2020-10-16 13:50:58,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:50:58" (3/3) ... [2020-10-16 13:50:58,644 INFO L111 eAbstractionObserver]: Analyzing ICFG thin000_pso.opt.i [2020-10-16 13:50:58,656 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-16 13:50:58,656 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-16 13:50:58,662 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-16 13:50:58,663 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 13:50:58,692 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:50:58,693 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:50:58,693 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:50:58,693 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:50:58,694 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:50:58,694 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:50:58,695 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:50:58,695 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:50:58,695 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:50:58,695 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:50:58,696 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:50:58,696 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:50:58,700 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:50:58,700 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:50:58,701 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:50:58,701 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:50:58,710 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:50:58,711 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:50:58,711 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:50:58,712 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:50:58,715 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-16 13:50:58,731 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-16 13:50:58,755 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 13:50:58,755 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-16 13:50:58,755 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-16 13:50:58,756 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-16 13:50:58,756 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 13:50:58,756 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 13:50:58,756 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 13:50:58,756 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 13:50:58,771 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-16 13:50:58,772 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 61 places, 56 transitions, 122 flow [2020-10-16 13:50:58,775 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 61 places, 56 transitions, 122 flow [2020-10-16 13:50:58,777 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 61 places, 56 transitions, 122 flow [2020-10-16 13:50:58,827 INFO L129 PetriNetUnfolder]: 2/54 cut-off events. [2020-10-16 13:50:58,827 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 13:50:58,832 INFO L80 FinitePrefix]: Finished finitePrefix Result has 61 conditions, 54 events. 2/54 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 32 event pairs, 0 based on Foata normal form. 0/51 useless extension candidates. Maximal degree in co-relation 41. Up to 2 conditions per place. [2020-10-16 13:50:58,835 INFO L117 LiptonReduction]: Number of co-enabled transitions 672 [2020-10-16 13:51:00,049 INFO L132 LiptonReduction]: Checked pairs total: 1197 [2020-10-16 13:51:00,049 INFO L134 LiptonReduction]: Total number of compositions: 50 [2020-10-16 13:51:00,058 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 22 places, 15 transitions, 40 flow [2020-10-16 13:51:00,074 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 74 states. [2020-10-16 13:51:00,076 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states. [2020-10-16 13:51:00,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-16 13:51:00,087 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:51:00,088 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-16 13:51:00,089 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:51:00,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:51:00,096 INFO L82 PathProgramCache]: Analyzing trace with hash 1988358065, now seen corresponding path program 1 times [2020-10-16 13:51:00,121 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:51:00,122 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299392553] [2020-10-16 13:51:00,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:51:00,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 13:51:00,391 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 13:51:00,392 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299392553] [2020-10-16 13:51:00,393 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 13:51:00,394 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 13:51:00,394 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [789933311] [2020-10-16 13:51:00,396 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 13:51:00,399 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 13:51:00,413 INFO L258 McrAutomatonBuilder]: Finished intersection with 7 states and 6 transitions. [2020-10-16 13:51:00,413 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 13:51:00,418 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 13:51:00,418 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 13:51:00,419 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 13:51:00,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 13:51:00,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 13:51:00,436 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 3 states. [2020-10-16 13:51:00,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 13:51:00,471 INFO L93 Difference]: Finished difference Result 70 states and 149 transitions. [2020-10-16 13:51:00,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 13:51:00,475 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-10-16 13:51:00,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 13:51:00,491 INFO L225 Difference]: With dead ends: 70 [2020-10-16 13:51:00,491 INFO L226 Difference]: Without dead ends: 54 [2020-10-16 13:51:00,493 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 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 13:51:00,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2020-10-16 13:51:00,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2020-10-16 13:51:00,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-10-16 13:51:00,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 109 transitions. [2020-10-16 13:51:00,551 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 109 transitions. Word has length 6 [2020-10-16 13:51:00,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 13:51:00,552 INFO L481 AbstractCegarLoop]: Abstraction has 54 states and 109 transitions. [2020-10-16 13:51:00,553 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 13:51:00,553 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 109 transitions. [2020-10-16 13:51:00,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-16 13:51:00,555 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:51:00,555 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-16 13:51:00,555 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 13:51:00,556 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:51:00,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:51:00,556 INFO L82 PathProgramCache]: Analyzing trace with hash 1509556844, now seen corresponding path program 1 times [2020-10-16 13:51:00,558 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:51:00,558 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53993439] [2020-10-16 13:51:00,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:51:00,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 13:51:00,667 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 13:51:00,668 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53993439] [2020-10-16 13:51:00,668 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 13:51:00,668 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 13:51:00,669 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [905811546] [2020-10-16 13:51:00,669 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 13:51:00,670 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 13:51:00,672 INFO L258 McrAutomatonBuilder]: Finished intersection with 11 states and 13 transitions. [2020-10-16 13:51:00,673 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 13:51:00,704 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 13:51:00,706 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 13:51:00,706 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 13:51:00,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 13:51:00,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 13:51:00,707 INFO L87 Difference]: Start difference. First operand 54 states and 109 transitions. Second operand 4 states. [2020-10-16 13:51:00,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 13:51:00,730 INFO L93 Difference]: Finished difference Result 60 states and 113 transitions. [2020-10-16 13:51:00,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-16 13:51:00,730 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2020-10-16 13:51:00,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 13:51:00,731 INFO L225 Difference]: With dead ends: 60 [2020-10-16 13:51:00,731 INFO L226 Difference]: Without dead ends: 30 [2020-10-16 13:51:00,732 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-16 13:51:00,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-10-16 13:51:00,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-10-16 13:51:00,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-10-16 13:51:00,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 51 transitions. [2020-10-16 13:51:00,738 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 51 transitions. Word has length 7 [2020-10-16 13:51:00,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 13:51:00,739 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 51 transitions. [2020-10-16 13:51:00,739 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 13:51:00,739 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 51 transitions. [2020-10-16 13:51:00,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-16 13:51:00,739 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:51:00,740 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 13:51:00,740 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 13:51:00,740 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:51:00,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:51:00,741 INFO L82 PathProgramCache]: Analyzing trace with hash -1046667655, now seen corresponding path program 1 times [2020-10-16 13:51:00,743 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:51:00,743 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613863757] [2020-10-16 13:51:00,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:51:00,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 13:51:00,795 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 13:51:00,796 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613863757] [2020-10-16 13:51:00,796 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 13:51:00,796 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 13:51:00,796 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2067917618] [2020-10-16 13:51:00,797 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 13:51:00,798 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 13:51:00,800 INFO L258 McrAutomatonBuilder]: Finished intersection with 13 states and 15 transitions. [2020-10-16 13:51:00,800 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 13:51:00,812 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 13:51:00,812 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 13:51:00,812 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 13:51:00,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 13:51:00,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 13:51:00,813 INFO L87 Difference]: Start difference. First operand 30 states and 51 transitions. Second operand 4 states. [2020-10-16 13:51:00,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 13:51:00,827 INFO L93 Difference]: Finished difference Result 24 states and 38 transitions. [2020-10-16 13:51:00,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-16 13:51:00,828 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-10-16 13:51:00,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 13:51:00,828 INFO L225 Difference]: With dead ends: 24 [2020-10-16 13:51:00,828 INFO L226 Difference]: Without dead ends: 0 [2020-10-16 13:51:00,829 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-16 13:51:00,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-16 13:51:00,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-16 13:51:00,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-16 13:51:00,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-16 13:51:00,830 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9 [2020-10-16 13:51:00,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 13:51:00,830 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-16 13:51:00,830 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 13:51:00,830 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-16 13:51:00,830 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-16 13:51:00,831 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 13:51:00,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 01:51:00 BasicIcfg [2020-10-16 13:51:00,835 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 13:51:00,838 INFO L168 Benchmark]: Toolchain (without parser) took 3510.51 ms. Allocated memory was 148.4 MB in the beginning and 246.4 MB in the end (delta: 98.0 MB). Free memory was 102.2 MB in the beginning and 183.3 MB in the end (delta: -81.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 7.1 GB. [2020-10-16 13:51:00,840 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 148.4 MB. Free memory was 122.9 MB in the beginning and 122.5 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-10-16 13:51:00,841 INFO L168 Benchmark]: CACSL2BoogieTranslator took 788.28 ms. Allocated memory was 148.4 MB in the beginning and 206.0 MB in the end (delta: 57.7 MB). Free memory was 102.2 MB in the beginning and 164.0 MB in the end (delta: -61.8 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. [2020-10-16 13:51:00,842 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.45 ms. Allocated memory is still 206.0 MB. Free memory was 164.0 MB in the beginning and 162.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2020-10-16 13:51:00,843 INFO L168 Benchmark]: Boogie Preprocessor took 32.10 ms. Allocated memory is still 206.0 MB. Free memory was 162.1 MB in the beginning and 160.3 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2020-10-16 13:51:00,843 INFO L168 Benchmark]: RCFGBuilder took 428.48 ms. Allocated memory is still 206.0 MB. Free memory was 160.3 MB in the beginning and 139.9 MB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 7.1 GB. [2020-10-16 13:51:00,844 INFO L168 Benchmark]: TraceAbstraction took 2200.13 ms. Allocated memory was 206.0 MB in the beginning and 246.4 MB in the end (delta: 40.4 MB). Free memory was 139.9 MB in the beginning and 183.3 MB in the end (delta: -43.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-16 13:51:00,849 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 148.4 MB. Free memory was 122.9 MB in the beginning and 122.5 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 788.28 ms. Allocated memory was 148.4 MB in the beginning and 206.0 MB in the end (delta: 57.7 MB). Free memory was 102.2 MB in the beginning and 164.0 MB in the end (delta: -61.8 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 55.45 ms. Allocated memory is still 206.0 MB. Free memory was 164.0 MB in the beginning and 162.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 32.10 ms. Allocated memory is still 206.0 MB. Free memory was 162.1 MB in the beginning and 160.3 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 428.48 ms. Allocated memory is still 206.0 MB. Free memory was 160.3 MB in the beginning and 139.9 MB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2200.13 ms. Allocated memory was 206.0 MB in the beginning and 246.4 MB in the end (delta: 40.4 MB). Free memory was 139.9 MB in the beginning and 183.3 MB in the end (delta: -43.4 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 363 VarBasedMoverChecksPositive, 17 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 28 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.2s, 61 PlacesBefore, 22 PlacesAfterwards, 56 TransitionsBefore, 15 TransitionsAfterwards, 672 CoEnabledTransitionPairs, 5 FixpointIterations, 13 TrivialSequentialCompositions, 27 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 2 ChoiceCompositions, 50 TotalNumberOfCompositions, 1197 MoverChecksTotal - PositiveResult [Line: 7]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.0s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.3s, HoareTripleCheckerStatistics: 33 SDtfs, 25 SDslu, 22 SDs, 0 SdLazy, 11 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=74occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 375 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...