/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-SemanticLbe-MCR.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe010_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-27 18:12:49,015 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-27 18:12:49,017 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-27 18:12:49,031 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-27 18:12:49,032 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-27 18:12:49,033 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-27 18:12:49,034 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-27 18:12:49,039 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-27 18:12:49,041 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-27 18:12:49,042 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-27 18:12:49,042 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-27 18:12:49,044 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-27 18:12:49,044 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-27 18:12:49,045 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-27 18:12:49,046 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-27 18:12:49,047 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-27 18:12:49,048 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-27 18:12:49,049 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-27 18:12:49,050 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-27 18:12:49,053 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-27 18:12:49,054 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-27 18:12:49,055 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-27 18:12:49,057 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-27 18:12:49,057 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-27 18:12:49,060 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-27 18:12:49,060 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-27 18:12:49,060 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-27 18:12:49,061 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-27 18:12:49,062 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-27 18:12:49,063 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-27 18:12:49,063 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-27 18:12:49,064 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-27 18:12:49,065 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-27 18:12:49,066 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-27 18:12:49,067 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-27 18:12:49,067 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-27 18:12:49,068 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-27 18:12:49,068 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-27 18:12:49,068 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-27 18:12:49,069 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-27 18:12:49,070 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-27 18:12:49,070 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-SemanticLbe-MCR.epf [2019-12-27 18:12:49,086 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-27 18:12:49,086 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-27 18:12:49,088 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-27 18:12:49,088 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-27 18:12:49,088 INFO L138 SettingsManager]: * Use SBE=true [2019-12-27 18:12:49,088 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-27 18:12:49,090 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-27 18:12:49,091 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-27 18:12:49,092 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-27 18:12:49,092 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-27 18:12:49,093 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-27 18:12:49,093 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-27 18:12:49,093 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-27 18:12:49,094 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-27 18:12:49,094 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-27 18:12:49,094 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-27 18:12:49,094 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-27 18:12:49,094 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-27 18:12:49,095 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-27 18:12:49,097 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-27 18:12:49,097 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-27 18:12:49,097 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 18:12:49,097 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-27 18:12:49,097 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-27 18:12:49,098 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-27 18:12:49,099 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-27 18:12:49,099 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-27 18:12:49,099 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2019-12-27 18:12:49,099 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-27 18:12:49,099 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2019-12-27 18:12:49,100 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-27 18:12:49,366 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-27 18:12:49,381 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-27 18:12:49,384 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-27 18:12:49,385 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-27 18:12:49,385 INFO L275 PluginConnector]: CDTParser initialized [2019-12-27 18:12:49,386 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe010_tso.opt.i [2019-12-27 18:12:49,460 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/983680903/0393d1b4b52b4faa81d6ad1483593a77/FLAG37c013998 [2019-12-27 18:12:50,015 INFO L306 CDTParser]: Found 1 translation units. [2019-12-27 18:12:50,016 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe010_tso.opt.i [2019-12-27 18:12:50,036 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/983680903/0393d1b4b52b4faa81d6ad1483593a77/FLAG37c013998 [2019-12-27 18:12:50,279 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/983680903/0393d1b4b52b4faa81d6ad1483593a77 [2019-12-27 18:12:50,289 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-27 18:12:50,291 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-27 18:12:50,292 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-27 18:12:50,292 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-27 18:12:50,296 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-27 18:12:50,297 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 06:12:50" (1/1) ... [2019-12-27 18:12:50,300 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@614e4f18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:12:50, skipping insertion in model container [2019-12-27 18:12:50,300 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 06:12:50" (1/1) ... [2019-12-27 18:12:50,308 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-27 18:12:50,363 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-27 18:12:50,813 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 18:12:50,825 INFO L203 MainTranslator]: Completed pre-run [2019-12-27 18:12:50,874 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 18:12:50,949 INFO L208 MainTranslator]: Completed translation [2019-12-27 18:12:50,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:12:50 WrapperNode [2019-12-27 18:12:50,950 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-27 18:12:50,951 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-27 18:12:50,951 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-27 18:12:50,951 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-27 18:12:50,960 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:12:50" (1/1) ... [2019-12-27 18:12:50,977 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:12:50" (1/1) ... [2019-12-27 18:12:50,999 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-27 18:12:50,999 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-27 18:12:51,000 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-27 18:12:51,000 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-27 18:12:51,009 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:12:50" (1/1) ... [2019-12-27 18:12:51,009 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:12:50" (1/1) ... [2019-12-27 18:12:51,012 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:12:50" (1/1) ... [2019-12-27 18:12:51,013 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:12:50" (1/1) ... [2019-12-27 18:12:51,018 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:12:50" (1/1) ... [2019-12-27 18:12:51,020 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:12:50" (1/1) ... [2019-12-27 18:12:51,022 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:12:50" (1/1) ... [2019-12-27 18:12:51,025 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-27 18:12:51,025 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-27 18:12:51,026 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-27 18:12:51,026 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-27 18:12:51,027 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:12:50" (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 18:12:51,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-27 18:12:51,105 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-27 18:12:51,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-27 18:12:51,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-27 18:12:51,106 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-27 18:12:51,106 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-27 18:12:51,106 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-27 18:12:51,107 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-27 18:12:51,107 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-27 18:12:51,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-27 18:12:51,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-27 18:12:51,109 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 18:12:51,437 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-27 18:12:51,438 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-27 18:12:51,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 06:12:51 BoogieIcfgContainer [2019-12-27 18:12:51,439 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-27 18:12:51,441 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-27 18:12:51,441 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-27 18:12:51,444 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-27 18:12:51,444 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.12 06:12:50" (1/3) ... [2019-12-27 18:12:51,445 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e90774a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 06:12:51, skipping insertion in model container [2019-12-27 18:12:51,445 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:12:50" (2/3) ... [2019-12-27 18:12:51,446 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e90774a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 06:12:51, skipping insertion in model container [2019-12-27 18:12:51,446 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 06:12:51" (3/3) ... [2019-12-27 18:12:51,448 INFO L109 eAbstractionObserver]: Analyzing ICFG safe010_tso.opt.i [2019-12-27 18:12:51,455 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-27 18:12:51,456 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-27 18:12:51,463 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-27 18:12:51,464 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-27 18:12:51,493 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:12:51,493 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:12:51,493 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:12:51,493 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:12:51,494 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:12:51,494 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:12:51,495 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:12:51,495 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:12:51,495 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:12:51,495 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:12:51,496 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:12:51,496 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:12:51,500 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:12:51,501 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:12:51,501 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:12:51,501 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:12:51,507 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:12:51,507 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:12:51,507 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:12:51,508 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:12:51,523 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-27 18:12:51,542 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 18:12:51,543 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 18:12:51,543 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 18:12:51,543 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-27 18:12:51,543 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 18:12:51,543 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 18:12:51,544 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 18:12:51,544 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 18:12:51,557 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 48 places, 42 transitions [2019-12-27 18:12:51,559 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 48 places, 42 transitions [2019-12-27 18:12:51,596 INFO L132 PetriNetUnfolder]: 1/40 cut-off events. [2019-12-27 18:12:51,597 INFO L133 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-27 18:12:51,602 INFO L76 FinitePrefix]: Finished finitePrefix Result has 47 conditions, 40 events. 1/40 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 16 event pairs. 0/38 useless extension candidates. Maximal degree in co-relation 28. Up to 2 conditions per place. [2019-12-27 18:12:51,605 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 48 places, 42 transitions [2019-12-27 18:12:51,621 INFO L132 PetriNetUnfolder]: 1/40 cut-off events. [2019-12-27 18:12:51,622 INFO L133 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-27 18:12:51,623 INFO L76 FinitePrefix]: Finished finitePrefix Result has 47 conditions, 40 events. 1/40 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 16 event pairs. 0/38 useless extension candidates. Maximal degree in co-relation 28. Up to 2 conditions per place. [2019-12-27 18:12:51,624 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 234 [2019-12-27 18:12:51,625 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-27 18:12:52,936 INFO L206 etLargeBlockEncoding]: Checked pairs total: 248 [2019-12-27 18:12:52,936 INFO L214 etLargeBlockEncoding]: Total number of compositions: 37 [2019-12-27 18:12:52,940 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 15 places, 11 transitions [2019-12-27 18:12:52,950 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 22 states. [2019-12-27 18:12:52,952 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2019-12-27 18:12:52,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-27 18:12:52,959 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 18:12:52,960 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-12-27 18:12:52,960 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 18:12:52,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 18:12:52,967 INFO L82 PathProgramCache]: Analyzing trace with hash 520306608, now seen corresponding path program 1 times [2019-12-27 18:12:52,980 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 18:12:52,980 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004349751] [2019-12-27 18:12:52,980 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 18:12:53,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 18:12:53,242 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 18:12:53,243 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004349751] [2019-12-27 18:12:53,244 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 18:12:53,244 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-27 18:12:53,245 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [371194592] [2019-12-27 18:12:53,246 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 18:12:53,252 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 18:12:53,265 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 7 states and 6 transitions. [2019-12-27 18:12:53,266 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 18:12:53,270 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 18:12:53,270 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 18:12:53,271 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 18:12:53,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 18:12:53,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 18:12:53,289 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 3 states. [2019-12-27 18:12:53,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 18:12:53,311 INFO L93 Difference]: Finished difference Result 20 states and 31 transitions. [2019-12-27 18:12:53,311 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 18:12:53,312 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2019-12-27 18:12:53,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 18:12:53,321 INFO L225 Difference]: With dead ends: 20 [2019-12-27 18:12:53,321 INFO L226 Difference]: Without dead ends: 16 [2019-12-27 18:12:53,323 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 18:12:53,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-12-27 18:12:53,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-12-27 18:12:53,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-12-27 18:12:53,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 23 transitions. [2019-12-27 18:12:53,378 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 23 transitions. Word has length 6 [2019-12-27 18:12:53,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 18:12:53,378 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 23 transitions. [2019-12-27 18:12:53,379 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 18:12:53,379 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 23 transitions. [2019-12-27 18:12:53,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-27 18:12:53,379 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 18:12:53,380 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-27 18:12:53,380 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 18:12:53,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 18:12:53,381 INFO L82 PathProgramCache]: Analyzing trace with hash -1050364638, now seen corresponding path program 1 times [2019-12-27 18:12:53,381 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 18:12:53,381 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692465848] [2019-12-27 18:12:53,381 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 18:12:53,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 18:12:53,450 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 18:12:53,451 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692465848] [2019-12-27 18:12:53,451 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 18:12:53,451 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 18:12:53,452 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [111042711] [2019-12-27 18:12:53,452 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 18:12:53,453 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 18:12:53,455 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 8 states and 7 transitions. [2019-12-27 18:12:53,455 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 18:12:53,456 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 18:12:53,457 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 18:12:53,457 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 18:12:53,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 18:12:53,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 18:12:53,458 INFO L87 Difference]: Start difference. First operand 16 states and 23 transitions. Second operand 4 states. [2019-12-27 18:12:53,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 18:12:53,486 INFO L93 Difference]: Finished difference Result 17 states and 22 transitions. [2019-12-27 18:12:53,487 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-27 18:12:53,487 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-12-27 18:12:53,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 18:12:53,488 INFO L225 Difference]: With dead ends: 17 [2019-12-27 18:12:53,488 INFO L226 Difference]: Without dead ends: 13 [2019-12-27 18:12:53,489 INFO L631 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 [2019-12-27 18:12:53,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2019-12-27 18:12:53,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2019-12-27 18:12:53,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-12-27 18:12:53,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2019-12-27 18:12:53,492 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 16 transitions. Word has length 7 [2019-12-27 18:12:53,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 18:12:53,492 INFO L462 AbstractCegarLoop]: Abstraction has 13 states and 16 transitions. [2019-12-27 18:12:53,493 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 18:12:53,493 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2019-12-27 18:12:53,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-27 18:12:53,493 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 18:12:53,493 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 18:12:53,494 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 18:12:53,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 18:12:53,494 INFO L82 PathProgramCache]: Analyzing trace with hash 1798439093, now seen corresponding path program 1 times [2019-12-27 18:12:53,494 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 18:12:53,495 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165028039] [2019-12-27 18:12:53,495 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 18:12:53,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 18:12:53,567 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 18:12:53,568 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165028039] [2019-12-27 18:12:53,568 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 18:12:53,568 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 18:12:53,568 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [272235036] [2019-12-27 18:12:53,569 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 18:12:53,569 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 18:12:53,574 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 9 states and 8 transitions. [2019-12-27 18:12:53,574 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 18:12:53,574 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 18:12:53,574 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 18:12:53,575 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 18:12:53,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 18:12:53,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 18:12:53,576 INFO L87 Difference]: Start difference. First operand 13 states and 16 transitions. Second operand 3 states. [2019-12-27 18:12:53,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 18:12:53,581 INFO L93 Difference]: Finished difference Result 12 states and 15 transitions. [2019-12-27 18:12:53,582 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 18:12:53,582 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-12-27 18:12:53,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 18:12:53,582 INFO L225 Difference]: With dead ends: 12 [2019-12-27 18:12:53,583 INFO L226 Difference]: Without dead ends: 0 [2019-12-27 18:12:53,583 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 18:12:53,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-27 18:12:53,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-27 18:12:53,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-27 18:12:53,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-27 18:12:53,584 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2019-12-27 18:12:53,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 18:12:53,584 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-27 18:12:53,584 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 18:12:53,585 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-27 18:12:53,585 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-27 18:12:53,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.12 06:12:53 BasicIcfg [2019-12-27 18:12:53,592 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-27 18:12:53,595 INFO L168 Benchmark]: Toolchain (without parser) took 3303.52 ms. Allocated memory was 145.8 MB in the beginning and 246.9 MB in the end (delta: 101.2 MB). Free memory was 102.7 MB in the beginning and 197.4 MB in the end (delta: -94.7 MB). Peak memory consumption was 6.5 MB. Max. memory is 7.1 GB. [2019-12-27 18:12:53,596 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 145.8 MB. Free memory is still 121.9 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-12-27 18:12:53,599 INFO L168 Benchmark]: CACSL2BoogieTranslator took 658.18 ms. Allocated memory was 145.8 MB in the beginning and 202.9 MB in the end (delta: 57.1 MB). Free memory was 102.3 MB in the beginning and 158.9 MB in the end (delta: -56.6 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. [2019-12-27 18:12:53,600 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.75 ms. Allocated memory is still 202.9 MB. Free memory was 158.9 MB in the beginning and 156.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-12-27 18:12:53,601 INFO L168 Benchmark]: Boogie Preprocessor took 25.56 ms. Allocated memory is still 202.9 MB. Free memory was 156.7 MB in the beginning and 155.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-12-27 18:12:53,603 INFO L168 Benchmark]: RCFGBuilder took 414.19 ms. Allocated memory is still 202.9 MB. Free memory was 155.3 MB in the beginning and 137.1 MB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 7.1 GB. [2019-12-27 18:12:53,609 INFO L168 Benchmark]: TraceAbstraction took 2151.08 ms. Allocated memory was 202.9 MB in the beginning and 246.9 MB in the end (delta: 44.0 MB). Free memory was 136.4 MB in the beginning and 197.4 MB in the end (delta: -61.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-12-27 18:12:53,614 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 145.8 MB. Free memory is still 121.9 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 658.18 ms. Allocated memory was 145.8 MB in the beginning and 202.9 MB in the end (delta: 57.1 MB). Free memory was 102.3 MB in the beginning and 158.9 MB in the end (delta: -56.6 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 48.75 ms. Allocated memory is still 202.9 MB. Free memory was 158.9 MB in the beginning and 156.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 25.56 ms. Allocated memory is still 202.9 MB. Free memory was 156.7 MB in the beginning and 155.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 414.19 ms. Allocated memory is still 202.9 MB. Free memory was 155.3 MB in the beginning and 137.1 MB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2151.08 ms. Allocated memory was 202.9 MB in the beginning and 246.9 MB in the end (delta: 44.0 MB). Free memory was 136.4 MB in the beginning and 197.4 MB in the end (delta: -61.0 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: 1.3s, 48 ProgramPointsBefore, 15 ProgramPointsAfterwards, 42 TransitionsBefore, 11 TransitionsAfterwards, 234 CoEnabledTransitionPairs, 6 FixpointIterations, 12 TrivialSequentialCompositions, 19 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 1 ChoiceCompositions, 120 VarBasedMoverChecksPositive, 13 VarBasedMoverChecksNegative, 2 SemBasedMoverChecksPositive, 12 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.1s, 0 MoverChecksTotal, 248 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, 42 locations, 1 error locations. Result: SAFE, OverallTime: 2.0s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 23 SDtfs, 11 SDslu, 11 SDs, 0 SdLazy, 11 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 246 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...