/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe028_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c7e336b [2020-10-05 23:41:40,904 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-05 23:41:40,907 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-05 23:41:40,930 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-05 23:41:40,930 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-05 23:41:40,931 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-05 23:41:40,932 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-05 23:41:40,934 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-05 23:41:40,935 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-05 23:41:40,936 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-05 23:41:40,937 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-05 23:41:40,938 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-05 23:41:40,938 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-05 23:41:40,939 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-05 23:41:40,940 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-05 23:41:40,941 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-05 23:41:40,942 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-05 23:41:40,943 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-05 23:41:40,944 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-05 23:41:40,946 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-05 23:41:40,947 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-05 23:41:40,948 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-05 23:41:40,949 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-05 23:41:40,950 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-05 23:41:40,952 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-05 23:41:40,955 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-05 23:41:40,956 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-05 23:41:40,956 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-05 23:41:40,958 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-05 23:41:40,959 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-05 23:41:40,959 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-05 23:41:40,960 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-05 23:41:40,961 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-05 23:41:40,961 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-05 23:41:40,962 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-05 23:41:40,962 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-05 23:41:40,968 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf [2020-10-05 23:41:41,009 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-05 23:41:41,010 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-05 23:41:41,011 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-05 23:41:41,012 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-05 23:41:41,012 INFO L138 SettingsManager]: * Use SBE=true [2020-10-05 23:41:41,012 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-05 23:41:41,012 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-05 23:41:41,013 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-05 23:41:41,013 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-05 23:41:41,013 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-05 23:41:41,013 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-05 23:41:41,013 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-05 23:41:41,013 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-05 23:41:41,014 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-05 23:41:41,014 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-05 23:41:41,015 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-05 23:41:41,015 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-05 23:41:41,015 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-05 23:41:41,015 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-05 23:41:41,016 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-05 23:41:41,016 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-05 23:41:41,016 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-05 23:41:41,016 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-05 23:41:41,016 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-05 23:41:41,017 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-05 23:41:41,017 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-05 23:41:41,017 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-05 23:41:41,017 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-05 23:41:41,018 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-05 23:41:41,324 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-05 23:41:41,334 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-05 23:41:41,337 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-05 23:41:41,338 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-05 23:41:41,339 INFO L275 PluginConnector]: CDTParser initialized [2020-10-05 23:41:41,339 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe028_pso.opt.i [2020-10-05 23:41:41,407 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e1f01ce3/5fb84fc201f54018afd79a8bc0687c89/FLAG5aae0071c [2020-10-05 23:41:41,903 INFO L306 CDTParser]: Found 1 translation units. [2020-10-05 23:41:41,903 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe028_pso.opt.i [2020-10-05 23:41:41,921 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e1f01ce3/5fb84fc201f54018afd79a8bc0687c89/FLAG5aae0071c [2020-10-05 23:41:42,222 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e1f01ce3/5fb84fc201f54018afd79a8bc0687c89 [2020-10-05 23:41:42,231 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-05 23:41:42,233 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-05 23:41:42,233 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-05 23:41:42,234 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-05 23:41:42,237 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-05 23:41:42,238 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.10 11:41:42" (1/1) ... [2020-10-05 23:41:42,241 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47f5a9bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:41:42, skipping insertion in model container [2020-10-05 23:41:42,241 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.10 11:41:42" (1/1) ... [2020-10-05 23:41:42,248 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-05 23:41:42,291 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-05 23:41:42,721 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-05 23:41:42,737 INFO L203 MainTranslator]: Completed pre-run [2020-10-05 23:41:42,815 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-05 23:41:42,901 INFO L208 MainTranslator]: Completed translation [2020-10-05 23:41:42,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:41:42 WrapperNode [2020-10-05 23:41:42,903 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-05 23:41:42,904 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-05 23:41:42,904 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-05 23:41:42,904 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-05 23:41:42,911 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:41:42" (1/1) ... [2020-10-05 23:41:42,926 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:41:42" (1/1) ... [2020-10-05 23:41:42,947 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-05 23:41:42,947 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-05 23:41:42,947 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-05 23:41:42,948 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-05 23:41:42,956 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:41:42" (1/1) ... [2020-10-05 23:41:42,956 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:41:42" (1/1) ... [2020-10-05 23:41:42,959 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:41:42" (1/1) ... [2020-10-05 23:41:42,959 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:41:42" (1/1) ... [2020-10-05 23:41:42,966 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:41:42" (1/1) ... [2020-10-05 23:41:42,968 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:41:42" (1/1) ... [2020-10-05 23:41:42,970 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:41:42" (1/1) ... [2020-10-05 23:41:42,973 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-05 23:41:42,973 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-05 23:41:42,973 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-05 23:41:42,974 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-05 23:41:42,974 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:41:42" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-05 23:41:43,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-05 23:41:43,039 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-05 23:41:43,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-05 23:41:43,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-05 23:41:43,039 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-05 23:41:43,039 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-05 23:41:43,040 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-05 23:41:43,040 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-05 23:41:43,040 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-05 23:41:43,041 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-05 23:41:43,041 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-05 23:41:43,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-05 23:41:43,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-05 23:41:43,043 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-05 23:41:43,393 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-05 23:41:43,394 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-10-05 23:41:43,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 11:41:43 BoogieIcfgContainer [2020-10-05 23:41:43,396 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-05 23:41:43,398 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-05 23:41:43,398 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-05 23:41:43,401 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-05 23:41:43,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.10 11:41:42" (1/3) ... [2020-10-05 23:41:43,402 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5024d228 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.10 11:41:43, skipping insertion in model container [2020-10-05 23:41:43,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:41:42" (2/3) ... [2020-10-05 23:41:43,402 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5024d228 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.10 11:41:43, skipping insertion in model container [2020-10-05 23:41:43,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 11:41:43" (3/3) ... [2020-10-05 23:41:43,404 INFO L109 eAbstractionObserver]: Analyzing ICFG safe028_pso.opt.i [2020-10-05 23:41:43,415 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-05 23:41:43,415 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-05 23:41:43,423 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-05 23:41:43,424 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-05 23:41:43,451 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:41:43,452 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:41:43,452 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:41:43,452 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:41:43,453 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:41:43,453 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:41:43,454 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:41:43,454 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:41:43,454 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:41:43,454 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:41:43,455 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:41:43,455 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:41:43,455 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:41:43,456 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:41:43,456 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:41:43,456 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:41:43,457 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:41:43,457 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:41:43,461 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:41:43,461 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:41:43,461 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:41:43,462 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:41:43,471 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:41:43,472 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:41:43,473 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:41:43,473 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:41:43,477 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:41:43,478 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:41:43,478 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:41:43,478 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:41:43,502 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-10-05 23:41:43,520 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-05 23:41:43,521 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-05 23:41:43,521 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-05 23:41:43,521 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-05 23:41:43,521 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-05 23:41:43,521 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-05 23:41:43,521 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-05 23:41:43,522 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-05 23:41:43,535 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 69 transitions, 153 flow [2020-10-05 23:41:43,538 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 77 places, 69 transitions, 153 flow [2020-10-05 23:41:43,582 INFO L129 PetriNetUnfolder]: 2/66 cut-off events. [2020-10-05 23:41:43,582 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-05 23:41:43,587 INFO L80 FinitePrefix]: Finished finitePrefix Result has 76 conditions, 66 events. 2/66 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 45 event pairs, 0 based on Foata normal form. 0/63 useless extension candidates. Maximal degree in co-relation 54. Up to 2 conditions per place. [2020-10-05 23:41:43,590 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 77 places, 69 transitions, 153 flow [2020-10-05 23:41:43,611 INFO L129 PetriNetUnfolder]: 2/66 cut-off events. [2020-10-05 23:41:43,611 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-05 23:41:43,612 INFO L80 FinitePrefix]: Finished finitePrefix Result has 76 conditions, 66 events. 2/66 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 45 event pairs, 0 based on Foata normal form. 0/63 useless extension candidates. Maximal degree in co-relation 54. Up to 2 conditions per place. [2020-10-05 23:41:43,614 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1178 [2020-10-05 23:41:43,615 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-10-05 23:41:44,953 INFO L206 etLargeBlockEncoding]: Checked pairs total: 2037 [2020-10-05 23:41:44,953 INFO L214 etLargeBlockEncoding]: Total number of compositions: 54 [2020-10-05 23:41:44,957 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 30 places, 20 transitions, 55 flow [2020-10-05 23:41:44,979 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 226 states. [2020-10-05 23:41:44,981 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states. [2020-10-05 23:41:44,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-05 23:41:44,988 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:41:44,989 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:41:44,990 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:41:44,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:41:44,995 INFO L82 PathProgramCache]: Analyzing trace with hash 2007579917, now seen corresponding path program 1 times [2020-10-05 23:41:45,005 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:41:45,006 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721071262] [2020-10-05 23:41:45,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:41:45,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:41:45,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:41:45,221 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721071262] [2020-10-05 23:41:45,222 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:41:45,223 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-05 23:41:45,224 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275097896] [2020-10-05 23:41:45,229 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-05 23:41:45,229 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:41:45,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-05 23:41:45,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:41:45,248 INFO L87 Difference]: Start difference. First operand 226 states. Second operand 3 states. [2020-10-05 23:41:45,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:41:45,291 INFO L93 Difference]: Finished difference Result 214 states and 593 transitions. [2020-10-05 23:41:45,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-05 23:41:45,293 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-10-05 23:41:45,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:41:45,307 INFO L225 Difference]: With dead ends: 214 [2020-10-05 23:41:45,308 INFO L226 Difference]: Without dead ends: 166 [2020-10-05 23:41:45,309 INFO L675 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 [2020-10-05 23:41:45,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2020-10-05 23:41:45,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2020-10-05 23:41:45,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2020-10-05 23:41:45,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 441 transitions. [2020-10-05 23:41:45,367 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 441 transitions. Word has length 8 [2020-10-05 23:41:45,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:41:45,368 INFO L479 AbstractCegarLoop]: Abstraction has 166 states and 441 transitions. [2020-10-05 23:41:45,368 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-05 23:41:45,368 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 441 transitions. [2020-10-05 23:41:45,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-05 23:41:45,369 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:41:45,369 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:41:45,370 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-05 23:41:45,370 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:41:45,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:41:45,370 INFO L82 PathProgramCache]: Analyzing trace with hash 2105434478, now seen corresponding path program 1 times [2020-10-05 23:41:45,371 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:41:45,371 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149827739] [2020-10-05 23:41:45,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:41:45,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:41:45,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:41:45,453 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149827739] [2020-10-05 23:41:45,453 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:41:45,454 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-05 23:41:45,455 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116605878] [2020-10-05 23:41:45,456 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-05 23:41:45,457 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:41:45,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-05 23:41:45,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-05 23:41:45,457 INFO L87 Difference]: Start difference. First operand 166 states and 441 transitions. Second operand 4 states. [2020-10-05 23:41:45,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:41:45,497 INFO L93 Difference]: Finished difference Result 202 states and 516 transitions. [2020-10-05 23:41:45,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-05 23:41:45,498 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-10-05 23:41:45,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:41:45,499 INFO L225 Difference]: With dead ends: 202 [2020-10-05 23:41:45,500 INFO L226 Difference]: Without dead ends: 130 [2020-10-05 23:41:45,500 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-05 23:41:45,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2020-10-05 23:41:45,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2020-10-05 23:41:45,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2020-10-05 23:41:45,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 322 transitions. [2020-10-05 23:41:45,517 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 322 transitions. Word has length 9 [2020-10-05 23:41:45,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:41:45,517 INFO L479 AbstractCegarLoop]: Abstraction has 130 states and 322 transitions. [2020-10-05 23:41:45,517 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-05 23:41:45,518 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 322 transitions. [2020-10-05 23:41:45,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-05 23:41:45,519 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:41:45,519 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:41:45,519 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-05 23:41:45,519 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:41:45,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:41:45,520 INFO L82 PathProgramCache]: Analyzing trace with hash 857303980, now seen corresponding path program 1 times [2020-10-05 23:41:45,520 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:41:45,520 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696723577] [2020-10-05 23:41:45,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:41:45,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:41:45,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:41:45,597 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696723577] [2020-10-05 23:41:45,597 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:41:45,597 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-05 23:41:45,598 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250024473] [2020-10-05 23:41:45,598 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-05 23:41:45,598 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:41:45,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-05 23:41:45,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-05 23:41:45,599 INFO L87 Difference]: Start difference. First operand 130 states and 322 transitions. Second operand 4 states. [2020-10-05 23:41:45,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:41:45,640 INFO L93 Difference]: Finished difference Result 148 states and 336 transitions. [2020-10-05 23:41:45,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-05 23:41:45,641 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-10-05 23:41:45,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:41:45,642 INFO L225 Difference]: With dead ends: 148 [2020-10-05 23:41:45,642 INFO L226 Difference]: Without dead ends: 112 [2020-10-05 23:41:45,643 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-05 23:41:45,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2020-10-05 23:41:45,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2020-10-05 23:41:45,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2020-10-05 23:41:45,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 253 transitions. [2020-10-05 23:41:45,653 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 253 transitions. Word has length 10 [2020-10-05 23:41:45,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:41:45,653 INFO L479 AbstractCegarLoop]: Abstraction has 112 states and 253 transitions. [2020-10-05 23:41:45,653 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-05 23:41:45,654 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 253 transitions. [2020-10-05 23:41:45,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-05 23:41:45,655 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:41:45,655 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:41:45,655 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-05 23:41:45,655 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:41:45,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:41:45,656 INFO L82 PathProgramCache]: Analyzing trace with hash 806230555, now seen corresponding path program 1 times [2020-10-05 23:41:45,656 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:41:45,656 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121680423] [2020-10-05 23:41:45,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:41:45,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:41:45,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:41:45,721 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121680423] [2020-10-05 23:41:45,721 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:41:45,721 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-05 23:41:45,722 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133082079] [2020-10-05 23:41:45,722 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-05 23:41:45,722 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:41:45,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-05 23:41:45,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-05 23:41:45,723 INFO L87 Difference]: Start difference. First operand 112 states and 253 transitions. Second operand 5 states. [2020-10-05 23:41:45,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:41:45,764 INFO L93 Difference]: Finished difference Result 109 states and 227 transitions. [2020-10-05 23:41:45,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-05 23:41:45,765 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2020-10-05 23:41:45,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:41:45,766 INFO L225 Difference]: With dead ends: 109 [2020-10-05 23:41:45,766 INFO L226 Difference]: Without dead ends: 85 [2020-10-05 23:41:45,766 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-05 23:41:45,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2020-10-05 23:41:45,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2020-10-05 23:41:45,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-10-05 23:41:45,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 173 transitions. [2020-10-05 23:41:45,773 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 173 transitions. Word has length 11 [2020-10-05 23:41:45,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:41:45,773 INFO L479 AbstractCegarLoop]: Abstraction has 85 states and 173 transitions. [2020-10-05 23:41:45,773 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-05 23:41:45,773 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 173 transitions. [2020-10-05 23:41:45,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-05 23:41:45,774 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:41:45,774 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:41:45,775 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-05 23:41:45,775 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:41:45,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:41:45,775 INFO L82 PathProgramCache]: Analyzing trace with hash 1664906609, now seen corresponding path program 1 times [2020-10-05 23:41:45,776 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:41:45,776 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876809564] [2020-10-05 23:41:45,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:41:45,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:41:45,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:41:45,835 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876809564] [2020-10-05 23:41:45,836 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:41:45,836 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-05 23:41:45,836 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834629646] [2020-10-05 23:41:45,837 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-05 23:41:45,837 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:41:45,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-05 23:41:45,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-05 23:41:45,838 INFO L87 Difference]: Start difference. First operand 85 states and 173 transitions. Second operand 6 states. [2020-10-05 23:41:45,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:41:45,886 INFO L93 Difference]: Finished difference Result 80 states and 161 transitions. [2020-10-05 23:41:45,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-05 23:41:45,886 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2020-10-05 23:41:45,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:41:45,887 INFO L225 Difference]: With dead ends: 80 [2020-10-05 23:41:45,887 INFO L226 Difference]: Without dead ends: 72 [2020-10-05 23:41:45,888 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-05 23:41:45,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-10-05 23:41:45,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2020-10-05 23:41:45,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-10-05 23:41:45,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 147 transitions. [2020-10-05 23:41:45,893 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 147 transitions. Word has length 13 [2020-10-05 23:41:45,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:41:45,893 INFO L479 AbstractCegarLoop]: Abstraction has 72 states and 147 transitions. [2020-10-05 23:41:45,893 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-05 23:41:45,893 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 147 transitions. [2020-10-05 23:41:45,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-05 23:41:45,894 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:41:45,895 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:41:45,895 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-05 23:41:45,895 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:41:45,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:41:45,896 INFO L82 PathProgramCache]: Analyzing trace with hash 399497030, now seen corresponding path program 1 times [2020-10-05 23:41:45,896 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:41:45,896 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917476871] [2020-10-05 23:41:45,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:41:45,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:41:45,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:41:45,940 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917476871] [2020-10-05 23:41:45,940 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:41:45,940 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-05 23:41:45,941 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251818650] [2020-10-05 23:41:45,941 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-05 23:41:45,941 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:41:45,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-05 23:41:45,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-05 23:41:45,942 INFO L87 Difference]: Start difference. First operand 72 states and 147 transitions. Second operand 4 states. [2020-10-05 23:41:45,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:41:45,985 INFO L93 Difference]: Finished difference Result 97 states and 192 transitions. [2020-10-05 23:41:45,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-05 23:41:45,985 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2020-10-05 23:41:45,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:41:45,986 INFO L225 Difference]: With dead ends: 97 [2020-10-05 23:41:45,986 INFO L226 Difference]: Without dead ends: 48 [2020-10-05 23:41:45,987 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-05 23:41:45,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2020-10-05 23:41:45,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2020-10-05 23:41:45,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-10-05 23:41:45,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 85 transitions. [2020-10-05 23:41:45,990 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 85 transitions. Word has length 16 [2020-10-05 23:41:45,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:41:45,990 INFO L479 AbstractCegarLoop]: Abstraction has 48 states and 85 transitions. [2020-10-05 23:41:45,991 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-05 23:41:45,991 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 85 transitions. [2020-10-05 23:41:45,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-05 23:41:45,991 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:41:45,992 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:41:45,992 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-05 23:41:45,992 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:41:45,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:41:45,992 INFO L82 PathProgramCache]: Analyzing trace with hash 1410540376, now seen corresponding path program 2 times [2020-10-05 23:41:45,993 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:41:45,993 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099641008] [2020-10-05 23:41:45,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:41:46,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:41:46,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:41:46,027 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099641008] [2020-10-05 23:41:46,028 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:41:46,028 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-05 23:41:46,028 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129161934] [2020-10-05 23:41:46,028 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-05 23:41:46,029 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:41:46,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-05 23:41:46,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-05 23:41:46,029 INFO L87 Difference]: Start difference. First operand 48 states and 85 transitions. Second operand 4 states. [2020-10-05 23:41:46,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:41:46,040 INFO L93 Difference]: Finished difference Result 47 states and 84 transitions. [2020-10-05 23:41:46,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-05 23:41:46,041 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2020-10-05 23:41:46,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:41:46,041 INFO L225 Difference]: With dead ends: 47 [2020-10-05 23:41:46,041 INFO L226 Difference]: Without dead ends: 0 [2020-10-05 23:41:46,042 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-05 23:41:46,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-05 23:41:46,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-05 23:41:46,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-05 23:41:46,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-05 23:41:46,043 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2020-10-05 23:41:46,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:41:46,043 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-05 23:41:46,043 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-05 23:41:46,043 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-05 23:41:46,044 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-05 23:41:46,044 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-05 23:41:46,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.10 11:41:46 BasicIcfg [2020-10-05 23:41:46,048 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-05 23:41:46,051 INFO L168 Benchmark]: Toolchain (without parser) took 3817.54 ms. Allocated memory was 140.5 MB in the beginning and 245.9 MB in the end (delta: 105.4 MB). Free memory was 102.1 MB in the beginning and 199.0 MB in the end (delta: -96.9 MB). Peak memory consumption was 8.5 MB. Max. memory is 7.1 GB. [2020-10-05 23:41:46,052 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.6 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. [2020-10-05 23:41:46,053 INFO L168 Benchmark]: CACSL2BoogieTranslator took 669.78 ms. Allocated memory was 140.5 MB in the beginning and 203.4 MB in the end (delta: 62.9 MB). Free memory was 101.7 MB in the beginning and 160.8 MB in the end (delta: -59.1 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. [2020-10-05 23:41:46,054 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.43 ms. Allocated memory is still 203.4 MB. Free memory was 160.8 MB in the beginning and 158.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-05 23:41:46,054 INFO L168 Benchmark]: Boogie Preprocessor took 25.66 ms. Allocated memory is still 203.4 MB. Free memory was 158.8 MB in the beginning and 156.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2020-10-05 23:41:46,055 INFO L168 Benchmark]: RCFGBuilder took 422.96 ms. Allocated memory is still 203.4 MB. Free memory was 156.9 MB in the beginning and 134.7 MB in the end (delta: 22.2 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. [2020-10-05 23:41:46,056 INFO L168 Benchmark]: TraceAbstraction took 2650.50 ms. Allocated memory was 203.4 MB in the beginning and 245.9 MB in the end (delta: 42.5 MB). Free memory was 134.7 MB in the beginning and 199.0 MB in the end (delta: -64.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-05 23:41:46,060 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.6 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 669.78 ms. Allocated memory was 140.5 MB in the beginning and 203.4 MB in the end (delta: 62.9 MB). Free memory was 101.7 MB in the beginning and 160.8 MB in the end (delta: -59.1 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 43.43 ms. Allocated memory is still 203.4 MB. Free memory was 160.8 MB in the beginning and 158.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 25.66 ms. Allocated memory is still 203.4 MB. Free memory was 158.8 MB in the beginning and 156.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 422.96 ms. Allocated memory is still 203.4 MB. Free memory was 156.9 MB in the beginning and 134.7 MB in the end (delta: 22.2 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2650.50 ms. Allocated memory was 203.4 MB in the beginning and 245.9 MB in the end (delta: 42.5 MB). Free memory was 134.7 MB in the beginning and 199.0 MB in the end (delta: -64.3 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 LbeTime: 1.4s, 77 ProgramPointsBefore, 30 ProgramPointsAfterwards, 69 TransitionsBefore, 20 TransitionsAfterwards, 1178 CoEnabledTransitionPairs, 6 FixpointIterations, 14 TrivialSequentialCompositions, 35 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 2 ChoiceCompositions, 627 VarBasedMoverChecksPositive, 24 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 2037 CheckedPairsTotal, 54 TotalNumberOfCompositions - 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 4 procedures, 68 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.5s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.4s, HoareTripleCheckerStatistics: 124 SDtfs, 130 SDslu, 169 SDs, 0 SdLazy, 101 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=226occurred 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, 7 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 83 NumberOfCodeBlocks, 83 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 76 ConstructedInterpolants, 0 QuantifiedInterpolants, 2534 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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...