/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf -i ../../../trunk/examples/svcomp/pthread-wmm/thin000_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b09bf87 [2020-10-16 13:51:07,517 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 13:51:07,520 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 13:51:07,561 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 13:51:07,562 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 13:51:07,572 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 13:51:07,574 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 13:51:07,576 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 13:51:07,578 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 13:51:07,582 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 13:51:07,583 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 13:51:07,585 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 13:51:07,585 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 13:51:07,588 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 13:51:07,590 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 13:51:07,593 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 13:51:07,594 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 13:51:07,594 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 13:51:07,597 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 13:51:07,601 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 13:51:07,604 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 13:51:07,605 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 13:51:07,607 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 13:51:07,608 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 13:51:07,614 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-16 13:51:07,614 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-16 13:51:07,614 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-16 13:51:07,617 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-16 13:51:07,617 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-16 13:51:07,618 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-16 13:51:07,618 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 13:51:07,619 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 13:51:07,620 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 13:51:07,621 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 13:51:07,622 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 13:51:07,622 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 13:51:07,623 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 13:51:07,623 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 13:51:07,623 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 13:51:07,624 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 13:51:07,625 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 13:51:07,626 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf [2020-10-16 13:51:07,652 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 13:51:07,652 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 13:51:07,653 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 13:51:07,653 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 13:51:07,653 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 13:51:07,654 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 13:51:07,654 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 13:51:07,654 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 13:51:07,654 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 13:51:07,654 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 13:51:07,655 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 13:51:07,655 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 13:51:07,655 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 13:51:07,655 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 13:51:07,655 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 13:51:07,655 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 13:51:07,656 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 13:51:07,656 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 13:51:07,656 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 13:51:07,656 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 13:51:07,656 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 13:51:07,657 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 13:51:07,657 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 13:51:07,657 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-16 13:51:07,657 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 13:51:07,657 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 13:51:07,658 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 13:51:07,658 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-16 13:51:07,658 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-16 13:51:07,658 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-16 13:51:07,658 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-16 13:51:07,946 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 13:51:07,955 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 13:51:07,959 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 13:51:07,960 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 13:51:07,960 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 13:51:07,961 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/thin000_tso.oepc.i [2020-10-16 13:51:08,017 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7d82fe8f8/bd00540d385f410ba3466fa18484365a/FLAG3a177f836 [2020-10-16 13:51:08,583 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 13:51:08,584 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-wmm/thin000_tso.oepc.i [2020-10-16 13:51:08,600 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7d82fe8f8/bd00540d385f410ba3466fa18484365a/FLAG3a177f836 [2020-10-16 13:51:08,833 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7d82fe8f8/bd00540d385f410ba3466fa18484365a [2020-10-16 13:51:08,843 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 13:51:08,845 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 13:51:08,846 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 13:51:08,846 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 13:51:08,850 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 13:51:08,851 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:51:08" (1/1) ... [2020-10-16 13:51:08,854 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48348f63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:51:08, skipping insertion in model container [2020-10-16 13:51:08,854 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:51:08" (1/1) ... [2020-10-16 13:51:08,861 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 13:51:08,906 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 13:51:09,223 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 13:51:09,235 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 13:51:09,376 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 13:51:09,458 INFO L208 MainTranslator]: Completed translation [2020-10-16 13:51:09,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:51:09 WrapperNode [2020-10-16 13:51:09,459 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 13:51:09,460 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 13:51:09,460 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 13:51:09,460 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 13:51:09,469 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:51:09" (1/1) ... [2020-10-16 13:51:09,485 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:51:09" (1/1) ... [2020-10-16 13:51:09,510 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 13:51:09,511 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 13:51:09,512 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 13:51:09,512 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 13:51:09,521 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:51:09" (1/1) ... [2020-10-16 13:51:09,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:51:09" (1/1) ... [2020-10-16 13:51:09,538 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:51:09" (1/1) ... [2020-10-16 13:51:09,539 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:51:09" (1/1) ... [2020-10-16 13:51:09,545 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:51:09" (1/1) ... [2020-10-16 13:51:09,552 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:51:09" (1/1) ... [2020-10-16 13:51:09,554 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:51:09" (1/1) ... [2020-10-16 13:51:09,558 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 13:51:09,559 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 13:51:09,559 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 13:51:09,559 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 13:51:09,560 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:51:09" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 13:51:09,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 13:51:09,614 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-16 13:51:09,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 13:51:09,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 13:51:09,615 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-16 13:51:09,615 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-16 13:51:09,616 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-16 13:51:09,616 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-16 13:51:09,617 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-16 13:51:09,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 13:51:09,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 13:51:09,619 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-16 13:51:09,889 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 13:51:09,889 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-10-16 13:51:09,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:51:09 BoogieIcfgContainer [2020-10-16 13:51:09,892 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 13:51:09,894 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 13:51:09,894 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 13:51:09,898 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 13:51:09,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 01:51:08" (1/3) ... [2020-10-16 13:51:09,900 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2696c34c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:51:09, skipping insertion in model container [2020-10-16 13:51:09,900 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:51:09" (2/3) ... [2020-10-16 13:51:09,900 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2696c34c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:51:09, skipping insertion in model container [2020-10-16 13:51:09,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:51:09" (3/3) ... [2020-10-16 13:51:09,905 INFO L111 eAbstractionObserver]: Analyzing ICFG thin000_tso.oepc.i [2020-10-16 13:51:09,936 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-16 13:51:09,936 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-16 13:51:09,944 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-16 13:51:09,945 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 13:51:09,985 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:51:09,986 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:51:09,986 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:51:09,986 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:51:09,987 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:51:09,987 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:51:09,988 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:51:09,996 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:51:09,996 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:51:09,997 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:51:09,997 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:51:09,997 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:51:10,005 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:51:10,005 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:51:10,005 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:51:10,006 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:51:10,012 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:51:10,012 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:51:10,013 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:51:10,014 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:51:10,022 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-16 13:51:10,040 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-16 13:51:10,061 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 13:51:10,062 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-16 13:51:10,062 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-16 13:51:10,062 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-16 13:51:10,062 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 13:51:10,063 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 13:51:10,063 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 13:51:10,063 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 13:51:10,076 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-16 13:51:10,077 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 61 places, 56 transitions, 122 flow [2020-10-16 13:51:10,079 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 61 places, 56 transitions, 122 flow [2020-10-16 13:51:10,081 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 61 places, 56 transitions, 122 flow [2020-10-16 13:51:10,121 INFO L129 PetriNetUnfolder]: 2/54 cut-off events. [2020-10-16 13:51:10,122 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 13:51:10,126 INFO L80 FinitePrefix]: Finished finitePrefix Result has 61 conditions, 54 events. 2/54 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 32 event pairs, 0 based on Foata normal form. 0/51 useless extension candidates. Maximal degree in co-relation 41. Up to 2 conditions per place. [2020-10-16 13:51:10,129 INFO L117 LiptonReduction]: Number of co-enabled transitions 672 [2020-10-16 13:51:11,249 INFO L132 LiptonReduction]: Checked pairs total: 1197 [2020-10-16 13:51:11,249 INFO L134 LiptonReduction]: Total number of compositions: 50 [2020-10-16 13:51:11,261 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 22 places, 15 transitions, 40 flow [2020-10-16 13:51:11,277 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 74 states. [2020-10-16 13:51:11,280 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states. [2020-10-16 13:51:11,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-16 13:51:11,310 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:51:11,311 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-16 13:51:11,311 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:51:11,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:51:11,321 INFO L82 PathProgramCache]: Analyzing trace with hash 1988358065, now seen corresponding path program 1 times [2020-10-16 13:51:11,344 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:51:11,345 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228794788] [2020-10-16 13:51:11,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:51:11,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 13:51:11,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 13:51:11,523 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228794788] [2020-10-16 13:51:11,524 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 13:51:11,524 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 13:51:11,525 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [893684344] [2020-10-16 13:51:11,526 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 13:51:11,529 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 13:51:11,543 INFO L258 McrAutomatonBuilder]: Finished intersection with 7 states and 6 transitions. [2020-10-16 13:51:11,543 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 13:51:11,547 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 13:51:11,548 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 13:51:11,548 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 13:51:11,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 13:51:11,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 13:51:11,580 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 3 states. [2020-10-16 13:51:11,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 13:51:11,604 INFO L93 Difference]: Finished difference Result 70 states and 149 transitions. [2020-10-16 13:51:11,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 13:51:11,607 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-10-16 13:51:11,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 13:51:11,618 INFO L225 Difference]: With dead ends: 70 [2020-10-16 13:51:11,618 INFO L226 Difference]: Without dead ends: 54 [2020-10-16 13:51:11,619 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 13:51:11,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2020-10-16 13:51:11,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2020-10-16 13:51:11,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-10-16 13:51:11,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 109 transitions. [2020-10-16 13:51:11,673 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 109 transitions. Word has length 6 [2020-10-16 13:51:11,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 13:51:11,675 INFO L481 AbstractCegarLoop]: Abstraction has 54 states and 109 transitions. [2020-10-16 13:51:11,675 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 13:51:11,675 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 109 transitions. [2020-10-16 13:51:11,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-16 13:51:11,677 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:51:11,677 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-16 13:51:11,677 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 13:51:11,678 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:51:11,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:51:11,678 INFO L82 PathProgramCache]: Analyzing trace with hash 1509556844, now seen corresponding path program 1 times [2020-10-16 13:51:11,679 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:51:11,679 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378329187] [2020-10-16 13:51:11,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:51:11,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 13:51:11,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 13:51:11,772 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378329187] [2020-10-16 13:51:11,772 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 13:51:11,772 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 13:51:11,773 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [368303610] [2020-10-16 13:51:11,773 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 13:51:11,774 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 13:51:11,778 INFO L258 McrAutomatonBuilder]: Finished intersection with 11 states and 13 transitions. [2020-10-16 13:51:11,778 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 13:51:11,809 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 13:51:11,810 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 13:51:11,811 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 13:51:11,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 13:51:11,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 13:51:11,812 INFO L87 Difference]: Start difference. First operand 54 states and 109 transitions. Second operand 4 states. [2020-10-16 13:51:11,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 13:51:11,832 INFO L93 Difference]: Finished difference Result 60 states and 113 transitions. [2020-10-16 13:51:11,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-16 13:51:11,832 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2020-10-16 13:51:11,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 13:51:11,833 INFO L225 Difference]: With dead ends: 60 [2020-10-16 13:51:11,833 INFO L226 Difference]: Without dead ends: 30 [2020-10-16 13:51:11,834 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-16 13:51:11,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-10-16 13:51:11,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-10-16 13:51:11,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-10-16 13:51:11,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 51 transitions. [2020-10-16 13:51:11,839 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 51 transitions. Word has length 7 [2020-10-16 13:51:11,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 13:51:11,839 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 51 transitions. [2020-10-16 13:51:11,840 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 13:51:11,840 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 51 transitions. [2020-10-16 13:51:11,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-16 13:51:11,840 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:51:11,840 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 13:51:11,841 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 13:51:11,841 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:51:11,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:51:11,841 INFO L82 PathProgramCache]: Analyzing trace with hash -1046667655, now seen corresponding path program 1 times [2020-10-16 13:51:11,845 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:51:11,846 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100732560] [2020-10-16 13:51:11,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:51:11,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 13:51:11,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 13:51:11,913 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100732560] [2020-10-16 13:51:11,913 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 13:51:11,913 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 13:51:11,914 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1399305958] [2020-10-16 13:51:11,914 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 13:51:11,914 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 13:51:11,916 INFO L258 McrAutomatonBuilder]: Finished intersection with 13 states and 15 transitions. [2020-10-16 13:51:11,916 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 13:51:11,926 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 13:51:11,926 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 13:51:11,926 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 13:51:11,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 13:51:11,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 13:51:11,927 INFO L87 Difference]: Start difference. First operand 30 states and 51 transitions. Second operand 4 states. [2020-10-16 13:51:11,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 13:51:11,939 INFO L93 Difference]: Finished difference Result 24 states and 38 transitions. [2020-10-16 13:51:11,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-16 13:51:11,940 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-10-16 13:51:11,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 13:51:11,940 INFO L225 Difference]: With dead ends: 24 [2020-10-16 13:51:11,940 INFO L226 Difference]: Without dead ends: 0 [2020-10-16 13:51:11,941 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-16 13:51:11,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-16 13:51:11,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-16 13:51:11,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-16 13:51:11,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-16 13:51:11,942 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9 [2020-10-16 13:51:11,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 13:51:11,942 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-16 13:51:11,942 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 13:51:11,942 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-16 13:51:11,942 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-16 13:51:11,942 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 13:51:11,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 01:51:11 BasicIcfg [2020-10-16 13:51:11,946 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 13:51:11,949 INFO L168 Benchmark]: Toolchain (without parser) took 3103.16 ms. Allocated memory was 147.3 MB in the beginning and 246.9 MB in the end (delta: 99.6 MB). Free memory was 102.5 MB in the beginning and 189.1 MB in the end (delta: -86.7 MB). Peak memory consumption was 13.0 MB. Max. memory is 7.1 GB. [2020-10-16 13:51:11,950 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 147.3 MB. Free memory was 121.9 MB in the beginning and 121.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-16 13:51:11,951 INFO L168 Benchmark]: CACSL2BoogieTranslator took 613.04 ms. Allocated memory was 147.3 MB in the beginning and 203.9 MB in the end (delta: 56.6 MB). Free memory was 102.3 MB in the beginning and 163.1 MB in the end (delta: -60.8 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. [2020-10-16 13:51:11,951 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.64 ms. Allocated memory is still 203.9 MB. Free memory was 163.1 MB in the beginning and 160.8 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2020-10-16 13:51:11,952 INFO L168 Benchmark]: Boogie Preprocessor took 46.91 ms. Allocated memory is still 203.9 MB. Free memory was 160.8 MB in the beginning and 159.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2020-10-16 13:51:11,953 INFO L168 Benchmark]: RCFGBuilder took 333.08 ms. Allocated memory is still 203.9 MB. Free memory was 159.4 MB in the beginning and 139.4 MB in the end (delta: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 7.1 GB. [2020-10-16 13:51:11,954 INFO L168 Benchmark]: TraceAbstraction took 2052.18 ms. Allocated memory was 203.9 MB in the beginning and 246.9 MB in the end (delta: 43.0 MB). Free memory was 138.7 MB in the beginning and 189.1 MB in the end (delta: -50.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-16 13:51:11,958 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 147.3 MB. Free memory was 121.9 MB in the beginning and 121.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 613.04 ms. Allocated memory was 147.3 MB in the beginning and 203.9 MB in the end (delta: 56.6 MB). Free memory was 102.3 MB in the beginning and 163.1 MB in the end (delta: -60.8 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 50.64 ms. Allocated memory is still 203.9 MB. Free memory was 163.1 MB in the beginning and 160.8 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 46.91 ms. Allocated memory is still 203.9 MB. Free memory was 160.8 MB in the beginning and 159.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 333.08 ms. Allocated memory is still 203.9 MB. Free memory was 159.4 MB in the beginning and 139.4 MB in the end (delta: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2052.18 ms. Allocated memory was 203.9 MB in the beginning and 246.9 MB in the end (delta: 43.0 MB). Free memory was 138.7 MB in the beginning and 189.1 MB in the end (delta: -50.4 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 363 VarBasedMoverChecksPositive, 17 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 28 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.1s, 61 PlacesBefore, 22 PlacesAfterwards, 56 TransitionsBefore, 15 TransitionsAfterwards, 672 CoEnabledTransitionPairs, 5 FixpointIterations, 13 TrivialSequentialCompositions, 27 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 2 ChoiceCompositions, 50 TotalNumberOfCompositions, 1197 MoverChecksTotal - PositiveResult [Line: 7]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.8s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.2s, HoareTripleCheckerStatistics: 33 SDtfs, 25 SDslu, 22 SDs, 0 SdLazy, 11 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=74occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 375 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...