/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/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-VariableLbe-MCR.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe029_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-27 22:56:37,752 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-27 22:56:37,755 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-27 22:56:37,774 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-27 22:56:37,775 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-27 22:56:37,777 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-27 22:56:37,779 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-27 22:56:37,789 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-27 22:56:37,792 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-27 22:56:37,795 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-27 22:56:37,797 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-27 22:56:37,799 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-27 22:56:37,799 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-27 22:56:37,801 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-27 22:56:37,803 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-27 22:56:37,804 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-27 22:56:37,806 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-27 22:56:37,808 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-27 22:56:37,809 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-27 22:56:37,815 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-27 22:56:37,820 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-27 22:56:37,824 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-27 22:56:37,825 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-27 22:56:37,826 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-27 22:56:37,828 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-27 22:56:37,828 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-27 22:56:37,829 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-27 22:56:37,830 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-27 22:56:37,832 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-27 22:56:37,833 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-27 22:56:37,833 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-27 22:56:37,834 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-27 22:56:37,835 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-27 22:56:37,836 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-27 22:56:37,837 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-27 22:56:37,837 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-27 22:56:37,838 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-27 22:56:37,838 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-27 22:56:37,838 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-27 22:56:37,839 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-27 22:56:37,840 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-27 22:56:37,841 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-VariableLbe-MCR.epf [2019-12-27 22:56:37,869 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-27 22:56:37,870 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-27 22:56:37,871 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-27 22:56:37,871 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-27 22:56:37,871 INFO L138 SettingsManager]: * Use SBE=true [2019-12-27 22:56:37,872 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-27 22:56:37,872 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-27 22:56:37,872 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-27 22:56:37,872 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-27 22:56:37,872 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-27 22:56:37,873 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-27 22:56:37,878 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-27 22:56:37,878 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-27 22:56:37,878 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-27 22:56:37,879 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-27 22:56:37,879 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-27 22:56:37,879 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-27 22:56:37,879 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-27 22:56:37,879 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-27 22:56:37,880 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-27 22:56:37,880 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-27 22:56:37,880 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 22:56:37,880 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-27 22:56:37,880 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-27 22:56:37,881 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-27 22:56:37,884 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-27 22:56:37,884 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-27 22:56:37,884 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2019-12-27 22:56:37,884 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2019-12-27 22:56:37,885 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-27 22:56:37,885 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2019-12-27 22:56:37,885 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-27 22:56:38,171 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-27 22:56:38,189 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-27 22:56:38,192 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-27 22:56:38,193 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-27 22:56:38,194 INFO L275 PluginConnector]: CDTParser initialized [2019-12-27 22:56:38,195 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe029_tso.oepc.i [2019-12-27 22:56:38,254 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d9dd17c5/3258f0fd67014b2ba087d33a172c1419/FLAG3629d5111 [2019-12-27 22:56:38,826 INFO L306 CDTParser]: Found 1 translation units. [2019-12-27 22:56:38,826 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe029_tso.oepc.i [2019-12-27 22:56:38,838 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d9dd17c5/3258f0fd67014b2ba087d33a172c1419/FLAG3629d5111 [2019-12-27 22:56:39,072 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d9dd17c5/3258f0fd67014b2ba087d33a172c1419 [2019-12-27 22:56:39,082 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-27 22:56:39,083 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-27 22:56:39,084 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-27 22:56:39,084 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-27 22:56:39,088 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-27 22:56:39,089 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 10:56:39" (1/1) ... [2019-12-27 22:56:39,091 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69cd9f67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 10:56:39, skipping insertion in model container [2019-12-27 22:56:39,092 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 10:56:39" (1/1) ... [2019-12-27 22:56:39,100 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-27 22:56:39,152 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-27 22:56:39,586 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 22:56:39,596 INFO L203 MainTranslator]: Completed pre-run [2019-12-27 22:56:39,644 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 22:56:39,733 INFO L208 MainTranslator]: Completed translation [2019-12-27 22:56:39,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 10:56:39 WrapperNode [2019-12-27 22:56:39,734 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-27 22:56:39,735 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-27 22:56:39,735 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-27 22:56:39,735 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-27 22:56:39,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 10:56:39" (1/1) ... [2019-12-27 22:56:39,769 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 10:56:39" (1/1) ... [2019-12-27 22:56:39,801 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-27 22:56:39,802 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-27 22:56:39,802 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-27 22:56:39,802 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-27 22:56:39,809 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 10:56:39" (1/1) ... [2019-12-27 22:56:39,809 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 10:56:39" (1/1) ... [2019-12-27 22:56:39,812 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 10:56:39" (1/1) ... [2019-12-27 22:56:39,813 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 10:56:39" (1/1) ... [2019-12-27 22:56:39,818 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 10:56:39" (1/1) ... [2019-12-27 22:56:39,820 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 10:56:39" (1/1) ... [2019-12-27 22:56:39,822 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 10:56:39" (1/1) ... [2019-12-27 22:56:39,828 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-27 22:56:39,829 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-27 22:56:39,829 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-27 22:56:39,829 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-27 22:56:39,830 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 10:56:39" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 22:56:39,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-27 22:56:39,890 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-27 22:56:39,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-27 22:56:39,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-27 22:56:39,890 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-27 22:56:39,891 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-27 22:56:39,891 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-27 22:56:39,891 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-27 22:56:39,891 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-27 22:56:39,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-27 22:56:39,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-27 22:56:39,893 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-27 22:56:40,216 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-27 22:56:40,216 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-27 22:56:40,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 10:56:40 BoogieIcfgContainer [2019-12-27 22:56:40,218 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-27 22:56:40,219 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-27 22:56:40,219 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-27 22:56:40,222 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-27 22:56:40,222 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.12 10:56:39" (1/3) ... [2019-12-27 22:56:40,223 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1448a407 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 10:56:40, skipping insertion in model container [2019-12-27 22:56:40,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 10:56:39" (2/3) ... [2019-12-27 22:56:40,224 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1448a407 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 10:56:40, skipping insertion in model container [2019-12-27 22:56:40,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 10:56:40" (3/3) ... [2019-12-27 22:56:40,226 INFO L109 eAbstractionObserver]: Analyzing ICFG safe029_tso.oepc.i [2019-12-27 22:56:40,234 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-27 22:56:40,235 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-27 22:56:40,242 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-27 22:56:40,243 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-27 22:56:40,269 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:56:40,270 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:56:40,270 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:56:40,271 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:56:40,272 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:56:40,272 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:56:40,272 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:56:40,273 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:56:40,273 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:56:40,273 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:56:40,274 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:56:40,274 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:56:40,278 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:56:40,278 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:56:40,278 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:56:40,279 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:56:40,283 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:56:40,284 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:56:40,284 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:56:40,284 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:56:40,299 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-27 22:56:40,315 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 22:56:40,316 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 22:56:40,316 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 22:56:40,316 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-27 22:56:40,316 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 22:56:40,316 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 22:56:40,317 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 22:56:40,317 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 22:56:40,329 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 47 places, 41 transitions [2019-12-27 22:56:40,331 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 47 places, 41 transitions [2019-12-27 22:56:40,367 INFO L132 PetriNetUnfolder]: 1/39 cut-off events. [2019-12-27 22:56:40,367 INFO L133 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-27 22:56:40,374 INFO L76 FinitePrefix]: Finished finitePrefix Result has 46 conditions, 39 events. 1/39 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 16 event pairs. 0/37 useless extension candidates. Maximal degree in co-relation 28. Up to 2 conditions per place. [2019-12-27 22:56:40,377 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 47 places, 41 transitions [2019-12-27 22:56:40,394 INFO L132 PetriNetUnfolder]: 1/39 cut-off events. [2019-12-27 22:56:40,395 INFO L133 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-27 22:56:40,396 INFO L76 FinitePrefix]: Finished finitePrefix Result has 46 conditions, 39 events. 1/39 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 16 event pairs. 0/37 useless extension candidates. Maximal degree in co-relation 28. Up to 2 conditions per place. [2019-12-27 22:56:40,397 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 234 [2019-12-27 22:56:40,399 INFO L182 etLargeBlockEncoding]: Variable Check. [2019-12-27 22:56:41,503 INFO L206 etLargeBlockEncoding]: Checked pairs total: 252 [2019-12-27 22:56:41,503 INFO L214 etLargeBlockEncoding]: Total number of compositions: 37 [2019-12-27 22:56:41,507 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 15 places, 11 transitions [2019-12-27 22:56:41,515 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 22 states. [2019-12-27 22:56:41,518 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2019-12-27 22:56:41,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-27 22:56:41,524 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 22:56:41,524 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-12-27 22:56:41,525 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 22:56:41,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 22:56:41,530 INFO L82 PathProgramCache]: Analyzing trace with hash 489739828, now seen corresponding path program 1 times [2019-12-27 22:56:41,538 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 22:56:41,538 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725299398] [2019-12-27 22:56:41,538 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 22:56:41,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 22:56:41,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 22:56:41,723 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725299398] [2019-12-27 22:56:41,724 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 22:56:41,724 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-27 22:56:41,725 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [817927464] [2019-12-27 22:56:41,725 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 22:56:41,730 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 22:56:41,740 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 7 states and 6 transitions. [2019-12-27 22:56:41,740 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 22:56:41,743 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 22:56:41,743 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 22:56:41,743 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 22:56:41,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 22:56:41,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 22:56:41,756 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 3 states. [2019-12-27 22:56:41,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 22:56:41,778 INFO L93 Difference]: Finished difference Result 21 states and 33 transitions. [2019-12-27 22:56:41,779 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 22:56:41,780 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2019-12-27 22:56:41,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 22:56:41,791 INFO L225 Difference]: With dead ends: 21 [2019-12-27 22:56:41,791 INFO L226 Difference]: Without dead ends: 17 [2019-12-27 22:56:41,794 INFO L631 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 [2019-12-27 22:56:41,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2019-12-27 22:56:41,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2019-12-27 22:56:41,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-12-27 22:56:41,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 25 transitions. [2019-12-27 22:56:41,860 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 25 transitions. Word has length 6 [2019-12-27 22:56:41,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 22:56:41,861 INFO L462 AbstractCegarLoop]: Abstraction has 17 states and 25 transitions. [2019-12-27 22:56:41,862 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 22:56:41,862 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 25 transitions. [2019-12-27 22:56:41,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-27 22:56:41,863 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 22:56:41,863 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-27 22:56:41,863 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 22:56:41,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 22:56:41,864 INFO L82 PathProgramCache]: Analyzing trace with hash -1997143145, now seen corresponding path program 1 times [2019-12-27 22:56:41,864 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 22:56:41,864 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113170315] [2019-12-27 22:56:41,865 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 22:56:41,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 22:56:41,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 22:56:41,968 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113170315] [2019-12-27 22:56:41,969 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 22:56:41,969 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 22:56:41,969 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1554854072] [2019-12-27 22:56:41,969 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 22:56:41,970 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 22:56:41,973 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 10 states and 11 transitions. [2019-12-27 22:56:41,973 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 22:56:42,006 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 1 times. [2019-12-27 22:56:42,008 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 22:56:42,008 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 22:56:42,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 22:56:42,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-27 22:56:42,009 INFO L87 Difference]: Start difference. First operand 17 states and 25 transitions. Second operand 4 states. [2019-12-27 22:56:42,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 22:56:42,031 INFO L93 Difference]: Finished difference Result 19 states and 24 transitions. [2019-12-27 22:56:42,032 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 22:56:42,032 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-12-27 22:56:42,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 22:56:42,033 INFO L225 Difference]: With dead ends: 19 [2019-12-27 22:56:42,033 INFO L226 Difference]: Without dead ends: 17 [2019-12-27 22:56:42,034 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-27 22:56:42,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2019-12-27 22:56:42,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 16. [2019-12-27 22:56:42,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-12-27 22:56:42,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 21 transitions. [2019-12-27 22:56:42,038 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 21 transitions. Word has length 7 [2019-12-27 22:56:42,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 22:56:42,039 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 21 transitions. [2019-12-27 22:56:42,039 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 22:56:42,039 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2019-12-27 22:56:42,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-27 22:56:42,040 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 22:56:42,040 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-27 22:56:42,040 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 22:56:42,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 22:56:42,041 INFO L82 PathProgramCache]: Analyzing trace with hash -1997895608, now seen corresponding path program 1 times [2019-12-27 22:56:42,041 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 22:56:42,042 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946162759] [2019-12-27 22:56:42,042 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 22:56:42,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 22:56:42,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 22:56:42,116 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946162759] [2019-12-27 22:56:42,116 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 22:56:42,117 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 22:56:42,117 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [937750957] [2019-12-27 22:56:42,117 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 22:56:42,118 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 22:56:42,120 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 8 states and 7 transitions. [2019-12-27 22:56:42,120 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 22:56:42,120 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 22:56:42,121 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 22:56:42,121 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 22:56:42,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 22:56:42,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 22:56:42,122 INFO L87 Difference]: Start difference. First operand 16 states and 21 transitions. Second operand 3 states. [2019-12-27 22:56:42,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 22:56:42,127 INFO L93 Difference]: Finished difference Result 14 states and 18 transitions. [2019-12-27 22:56:42,128 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 22:56:42,128 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2019-12-27 22:56:42,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 22:56:42,129 INFO L225 Difference]: With dead ends: 14 [2019-12-27 22:56:42,129 INFO L226 Difference]: Without dead ends: 0 [2019-12-27 22:56:42,129 INFO L631 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 [2019-12-27 22:56:42,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-27 22:56:42,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-27 22:56:42,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-27 22:56:42,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-27 22:56:42,130 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 7 [2019-12-27 22:56:42,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 22:56:42,131 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-27 22:56:42,131 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 22:56:42,131 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-27 22:56:42,131 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-27 22:56:42,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.12 10:56:42 BasicIcfg [2019-12-27 22:56:42,136 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-27 22:56:42,139 INFO L168 Benchmark]: Toolchain (without parser) took 3054.42 ms. Allocated memory was 146.3 MB in the beginning and 233.3 MB in the end (delta: 87.0 MB). Free memory was 102.9 MB in the beginning and 87.0 MB in the end (delta: 15.9 MB). Peak memory consumption was 102.9 MB. Max. memory is 7.1 GB. [2019-12-27 22:56:42,139 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 146.3 MB. Free memory is still 122.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-12-27 22:56:42,140 INFO L168 Benchmark]: CACSL2BoogieTranslator took 650.04 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 102.5 MB in the beginning and 161.3 MB in the end (delta: -58.8 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2019-12-27 22:56:42,141 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.93 ms. Allocated memory is still 203.9 MB. Free memory was 161.3 MB in the beginning and 159.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-12-27 22:56:42,142 INFO L168 Benchmark]: Boogie Preprocessor took 26.72 ms. Allocated memory is still 203.9 MB. Free memory was 159.1 MB in the beginning and 158.2 MB in the end (delta: 924.1 kB). Peak memory consumption was 924.1 kB. Max. memory is 7.1 GB. [2019-12-27 22:56:42,143 INFO L168 Benchmark]: RCFGBuilder took 389.27 ms. Allocated memory is still 203.9 MB. Free memory was 158.2 MB in the beginning and 140.3 MB in the end (delta: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 7.1 GB. [2019-12-27 22:56:42,144 INFO L168 Benchmark]: TraceAbstraction took 1916.77 ms. Allocated memory was 203.9 MB in the beginning and 233.3 MB in the end (delta: 29.4 MB). Free memory was 139.3 MB in the beginning and 87.0 MB in the end (delta: 52.3 MB). Peak memory consumption was 81.7 MB. Max. memory is 7.1 GB. [2019-12-27 22:56:42,149 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 146.3 MB. Free memory is still 122.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 650.04 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 102.5 MB in the beginning and 161.3 MB in the end (delta: -58.8 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 66.93 ms. Allocated memory is still 203.9 MB. Free memory was 161.3 MB in the beginning and 159.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 26.72 ms. Allocated memory is still 203.9 MB. Free memory was 159.1 MB in the beginning and 158.2 MB in the end (delta: 924.1 kB). Peak memory consumption was 924.1 kB. Max. memory is 7.1 GB. * RCFGBuilder took 389.27 ms. Allocated memory is still 203.9 MB. Free memory was 158.2 MB in the beginning and 140.3 MB in the end (delta: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1916.77 ms. Allocated memory was 203.9 MB in the beginning and 233.3 MB in the end (delta: 29.4 MB). Free memory was 139.3 MB in the beginning and 87.0 MB in the end (delta: 52.3 MB). Peak memory consumption was 81.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.1s, 47 ProgramPointsBefore, 15 ProgramPointsAfterwards, 41 TransitionsBefore, 11 TransitionsAfterwards, 234 CoEnabledTransitionPairs, 6 FixpointIterations, 11 TrivialSequentialCompositions, 21 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 1 ChoiceCompositions, 123 VarBasedMoverChecksPositive, 12 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 252 CheckedPairsTotal, 37 TotalNumberOfCompositions - PositiveResult [Line: 4]: 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, 41 locations, 1 error locations. Result: SAFE, OverallTime: 1.8s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 28 SDtfs, 4 SDslu, 14 SDs, 0 SdLazy, 16 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred 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, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 207 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, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...