./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/safe020_tso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f6fb2bb1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-wmm/safe020_tso.opt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 292c8310df31104212c78575bcccd1c085aba02b ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-f6fb2bb [2019-11-19 19:20:03,548 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 19:20:03,550 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 19:20:03,563 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 19:20:03,563 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 19:20:03,564 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 19:20:03,567 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 19:20:03,569 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 19:20:03,572 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 19:20:03,575 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 19:20:03,577 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 19:20:03,578 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 19:20:03,585 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 19:20:03,586 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 19:20:03,588 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 19:20:03,590 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 19:20:03,592 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 19:20:03,595 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 19:20:03,597 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 19:20:03,600 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 19:20:03,603 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 19:20:03,605 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 19:20:03,607 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 19:20:03,609 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 19:20:03,613 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 19:20:03,615 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 19:20:03,615 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 19:20:03,616 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 19:20:03,617 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 19:20:03,618 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 19:20:03,619 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 19:20:03,620 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 19:20:03,621 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 19:20:03,622 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 19:20:03,623 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 19:20:03,624 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 19:20:03,625 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 19:20:03,625 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 19:20:03,625 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 19:20:03,627 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 19:20:03,629 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 19:20:03,630 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-19 19:20:03,667 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 19:20:03,668 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 19:20:03,669 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 19:20:03,671 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 19:20:03,671 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 19:20:03,671 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 19:20:03,672 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 19:20:03,674 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 19:20:03,674 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 19:20:03,674 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 19:20:03,674 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 19:20:03,675 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 19:20:03,675 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 19:20:03,675 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 19:20:03,676 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 19:20:03,677 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 19:20:03,677 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 19:20:03,677 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 19:20:03,678 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 19:20:03,679 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 19:20:03,679 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 19:20:03,680 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 19:20:03,680 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 19:20:03,682 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 19:20:03,682 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 19:20:03,682 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 19:20:03,683 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 19:20:03,683 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 19:20:03,683 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 292c8310df31104212c78575bcccd1c085aba02b [2019-11-19 19:20:03,979 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 19:20:03,994 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 19:20:03,998 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 19:20:03,999 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 19:20:04,000 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 19:20:04,002 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe020_tso.opt.i [2019-11-19 19:20:04,061 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c3ed0e7d/d678b29b39354640bfac456981c00bbd/FLAG33da30c88 [2019-11-19 19:20:04,532 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 19:20:04,533 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe020_tso.opt.i [2019-11-19 19:20:04,558 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c3ed0e7d/d678b29b39354640bfac456981c00bbd/FLAG33da30c88 [2019-11-19 19:20:04,824 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c3ed0e7d/d678b29b39354640bfac456981c00bbd [2019-11-19 19:20:04,829 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 19:20:04,831 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 19:20:04,832 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 19:20:04,833 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 19:20:04,836 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 19:20:04,837 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:20:04" (1/1) ... [2019-11-19 19:20:04,840 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@df293ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:20:04, skipping insertion in model container [2019-11-19 19:20:04,841 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:20:04" (1/1) ... [2019-11-19 19:20:04,849 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 19:20:04,911 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 19:20:05,346 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 19:20:05,356 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 19:20:05,403 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 19:20:05,493 INFO L192 MainTranslator]: Completed translation [2019-11-19 19:20:05,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:20:05 WrapperNode [2019-11-19 19:20:05,494 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 19:20:05,495 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 19:20:05,495 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 19:20:05,496 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 19:20:05,505 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:20:05" (1/1) ... [2019-11-19 19:20:05,522 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:20:05" (1/1) ... [2019-11-19 19:20:05,547 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 19:20:05,548 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 19:20:05,548 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 19:20:05,549 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 19:20:05,556 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:20:05" (1/1) ... [2019-11-19 19:20:05,556 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:20:05" (1/1) ... [2019-11-19 19:20:05,559 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:20:05" (1/1) ... [2019-11-19 19:20:05,559 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:20:05" (1/1) ... [2019-11-19 19:20:05,565 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:20:05" (1/1) ... [2019-11-19 19:20:05,567 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:20:05" (1/1) ... [2019-11-19 19:20:05,569 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:20:05" (1/1) ... [2019-11-19 19:20:05,572 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 19:20:05,573 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 19:20:05,573 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 19:20:05,574 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 19:20:05,575 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:20:05" (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 [2019-11-19 19:20:05,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-19 19:20:05,637 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-19 19:20:05,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 19:20:05,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-19 19:20:05,639 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-19 19:20:05,639 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-19 19:20:05,639 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-19 19:20:05,640 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-19 19:20:05,640 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-19 19:20:05,640 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-19 19:20:05,641 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-19 19:20:05,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 19:20:05,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 19:20:05,644 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-19 19:20:05,918 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 19:20:05,919 INFO L285 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-19 19:20:05,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:20:05 BoogieIcfgContainer [2019-11-19 19:20:05,921 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 19:20:05,923 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 19:20:05,923 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 19:20:05,928 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 19:20:05,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:20:04" (1/3) ... [2019-11-19 19:20:05,929 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c1b71a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:20:05, skipping insertion in model container [2019-11-19 19:20:05,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:20:05" (2/3) ... [2019-11-19 19:20:05,930 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c1b71a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:20:05, skipping insertion in model container [2019-11-19 19:20:05,930 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:20:05" (3/3) ... [2019-11-19 19:20:05,932 INFO L109 eAbstractionObserver]: Analyzing ICFG safe020_tso.opt.i [2019-11-19 19:20:05,990 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:05,990 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:05,991 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:05,991 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:05,992 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:05,992 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:05,993 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:05,993 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:05,993 WARN L315 ript$VariableManager]: TermVariabe P0Thread2of3ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:05,994 WARN L315 ript$VariableManager]: TermVariabe P0Thread2of3ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:05,994 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:05,994 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:05,995 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork6_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:05,995 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork6_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:05,995 WARN L315 ript$VariableManager]: TermVariabe P0Thread3of3ForFork6_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:05,995 WARN L315 ript$VariableManager]: TermVariabe P0Thread3of3ForFork6_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:05,996 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork6_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:05,996 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork6_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:05,997 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork4_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:05,997 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork4_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:05,998 WARN L315 ript$VariableManager]: TermVariabe P1Thread2of3ForFork4_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:05,998 WARN L315 ript$VariableManager]: TermVariabe P1Thread2of3ForFork4_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:05,998 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork4_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:05,999 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork4_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:05,999 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:06,000 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:06,000 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:06,000 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:06,001 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:06,001 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:06,001 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork7_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:06,002 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork7_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:06,002 WARN L315 ript$VariableManager]: TermVariabe P1Thread3of3ForFork7_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:06,002 WARN L315 ript$VariableManager]: TermVariabe P1Thread3of3ForFork7_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:06,003 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork7_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:06,003 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork7_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:06,004 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork8_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:06,004 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork8_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:06,005 WARN L315 ript$VariableManager]: TermVariabe P2Thread3of3ForFork8_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:06,005 WARN L315 ript$VariableManager]: TermVariabe P2Thread3of3ForFork8_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:06,006 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork8_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:06,006 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork8_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:06,006 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork5_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:06,007 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork5_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:06,007 WARN L315 ript$VariableManager]: TermVariabe P2Thread2of3ForFork5_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:06,007 WARN L315 ript$VariableManager]: TermVariabe P2Thread2of3ForFork5_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:06,007 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork5_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:06,008 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork5_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:06,008 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:06,008 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:06,009 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:06,009 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:06,009 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:06,010 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:06,033 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-19 19:20:06,034 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 19:20:06,041 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-19 19:20:06,055 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-19 19:20:06,076 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 19:20:06,076 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-19 19:20:06,077 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 19:20:06,077 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 19:20:06,077 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 19:20:06,077 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 19:20:06,078 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 19:20:06,078 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 19:20:06,090 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 94 places, 73 transitions [2019-11-19 19:20:09,652 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 31742 states. [2019-11-19 19:20:09,654 INFO L276 IsEmpty]: Start isEmpty. Operand 31742 states. [2019-11-19 19:20:09,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-19 19:20:09,721 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 19:20:09,722 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 19:20:09,723 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 19:20:09,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:20:09,730 INFO L82 PathProgramCache]: Analyzing trace with hash 1913976886, now seen corresponding path program 1 times [2019-11-19 19:20:09,740 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 19:20:09,740 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713692572] [2019-11-19 19:20:09,741 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 19:20:09,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 19:20:10,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 19:20:10,120 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713692572] [2019-11-19 19:20:10,120 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 19:20:10,121 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 19:20:10,122 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990892040] [2019-11-19 19:20:10,126 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 19:20:10,127 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 19:20:10,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 19:20:10,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-19 19:20:10,144 INFO L87 Difference]: Start difference. First operand 31742 states. Second operand 4 states. [2019-11-19 19:20:10,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 19:20:10,694 INFO L93 Difference]: Finished difference Result 33011 states and 103291 transitions. [2019-11-19 19:20:10,695 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-19 19:20:10,696 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 29 [2019-11-19 19:20:10,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 19:20:10,853 INFO L225 Difference]: With dead ends: 33011 [2019-11-19 19:20:10,854 INFO L226 Difference]: Without dead ends: 14273 [2019-11-19 19:20:10,858 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-19 19:20:11,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14273 states. [2019-11-19 19:20:11,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14273 to 14273. [2019-11-19 19:20:11,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14273 states. [2019-11-19 19:20:11,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14273 states to 14273 states and 44296 transitions. [2019-11-19 19:20:11,948 INFO L78 Accepts]: Start accepts. Automaton has 14273 states and 44296 transitions. Word has length 29 [2019-11-19 19:20:11,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 19:20:11,949 INFO L462 AbstractCegarLoop]: Abstraction has 14273 states and 44296 transitions. [2019-11-19 19:20:11,950 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 19:20:11,950 INFO L276 IsEmpty]: Start isEmpty. Operand 14273 states and 44296 transitions. [2019-11-19 19:20:11,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-19 19:20:11,977 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 19:20:11,978 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 19:20:11,978 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 19:20:11,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:20:11,987 INFO L82 PathProgramCache]: Analyzing trace with hash -2692691, now seen corresponding path program 1 times [2019-11-19 19:20:11,988 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 19:20:11,988 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886640494] [2019-11-19 19:20:11,989 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 19:20:12,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 19:20:12,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 19:20:12,187 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886640494] [2019-11-19 19:20:12,187 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 19:20:12,187 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-19 19:20:12,187 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130720591] [2019-11-19 19:20:12,189 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 19:20:12,189 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 19:20:12,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 19:20:12,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-19 19:20:12,190 INFO L87 Difference]: Start difference. First operand 14273 states and 44296 transitions. Second operand 5 states. [2019-11-19 19:20:12,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 19:20:12,484 INFO L93 Difference]: Finished difference Result 14273 states and 42109 transitions. [2019-11-19 19:20:12,485 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-19 19:20:12,485 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2019-11-19 19:20:12,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 19:20:12,559 INFO L225 Difference]: With dead ends: 14273 [2019-11-19 19:20:12,560 INFO L226 Difference]: Without dead ends: 12572 [2019-11-19 19:20:12,561 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-11-19 19:20:12,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12572 states. [2019-11-19 19:20:13,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12572 to 12572. [2019-11-19 19:20:13,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12572 states. [2019-11-19 19:20:13,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12572 states to 12572 states and 38059 transitions. [2019-11-19 19:20:13,153 INFO L78 Accepts]: Start accepts. Automaton has 12572 states and 38059 transitions. Word has length 30 [2019-11-19 19:20:13,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 19:20:13,154 INFO L462 AbstractCegarLoop]: Abstraction has 12572 states and 38059 transitions. [2019-11-19 19:20:13,155 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 19:20:13,155 INFO L276 IsEmpty]: Start isEmpty. Operand 12572 states and 38059 transitions. [2019-11-19 19:20:13,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-19 19:20:13,182 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 19:20:13,183 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 19:20:13,183 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 19:20:13,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:20:13,184 INFO L82 PathProgramCache]: Analyzing trace with hash -1226148219, now seen corresponding path program 1 times [2019-11-19 19:20:13,184 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 19:20:13,184 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331784411] [2019-11-19 19:20:13,185 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 19:20:13,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 19:20:13,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 19:20:13,343 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331784411] [2019-11-19 19:20:13,343 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 19:20:13,343 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-19 19:20:13,343 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592999000] [2019-11-19 19:20:13,344 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-19 19:20:13,344 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 19:20:13,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-19 19:20:13,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-19 19:20:13,344 INFO L87 Difference]: Start difference. First operand 12572 states and 38059 transitions. Second operand 6 states. [2019-11-19 19:20:13,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 19:20:13,519 INFO L93 Difference]: Finished difference Result 8927 states and 24937 transitions. [2019-11-19 19:20:13,520 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-19 19:20:13,520 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2019-11-19 19:20:13,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 19:20:13,543 INFO L225 Difference]: With dead ends: 8927 [2019-11-19 19:20:13,544 INFO L226 Difference]: Without dead ends: 7469 [2019-11-19 19:20:13,544 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2019-11-19 19:20:13,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7469 states. [2019-11-19 19:20:13,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7469 to 7469. [2019-11-19 19:20:13,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7469 states. [2019-11-19 19:20:13,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7469 states to 7469 states and 21049 transitions. [2019-11-19 19:20:13,984 INFO L78 Accepts]: Start accepts. Automaton has 7469 states and 21049 transitions. Word has length 31 [2019-11-19 19:20:13,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 19:20:13,984 INFO L462 AbstractCegarLoop]: Abstraction has 7469 states and 21049 transitions. [2019-11-19 19:20:13,985 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-19 19:20:13,985 INFO L276 IsEmpty]: Start isEmpty. Operand 7469 states and 21049 transitions. [2019-11-19 19:20:14,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-19 19:20:14,000 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 19:20:14,000 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 19:20:14,001 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 19:20:14,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:20:14,001 INFO L82 PathProgramCache]: Analyzing trace with hash 1234721995, now seen corresponding path program 1 times [2019-11-19 19:20:14,001 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 19:20:14,002 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815461901] [2019-11-19 19:20:14,002 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 19:20:14,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 19:20:14,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 19:20:14,139 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815461901] [2019-11-19 19:20:14,139 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 19:20:14,139 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-19 19:20:14,139 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215719412] [2019-11-19 19:20:14,140 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-19 19:20:14,140 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 19:20:14,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-19 19:20:14,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-19 19:20:14,142 INFO L87 Difference]: Start difference. First operand 7469 states and 21049 transitions. Second operand 6 states. [2019-11-19 19:20:14,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 19:20:14,297 INFO L93 Difference]: Finished difference Result 12086 states and 34009 transitions. [2019-11-19 19:20:14,297 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-19 19:20:14,298 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2019-11-19 19:20:14,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 19:20:14,318 INFO L225 Difference]: With dead ends: 12086 [2019-11-19 19:20:14,318 INFO L226 Difference]: Without dead ends: 6677 [2019-11-19 19:20:14,320 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-19 19:20:14,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6677 states. [2019-11-19 19:20:14,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6677 to 6677. [2019-11-19 19:20:14,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6677 states. [2019-11-19 19:20:14,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6677 states to 6677 states and 18664 transitions. [2019-11-19 19:20:14,517 INFO L78 Accepts]: Start accepts. Automaton has 6677 states and 18664 transitions. Word has length 32 [2019-11-19 19:20:14,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 19:20:14,518 INFO L462 AbstractCegarLoop]: Abstraction has 6677 states and 18664 transitions. [2019-11-19 19:20:14,518 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-19 19:20:14,519 INFO L276 IsEmpty]: Start isEmpty. Operand 6677 states and 18664 transitions. [2019-11-19 19:20:14,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-19 19:20:14,534 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 19:20:14,535 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 19:20:14,535 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 19:20:14,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:20:14,535 INFO L82 PathProgramCache]: Analyzing trace with hash 254235525, now seen corresponding path program 2 times [2019-11-19 19:20:14,536 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 19:20:14,536 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767322341] [2019-11-19 19:20:14,537 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 19:20:14,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 19:20:14,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 19:20:14,735 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767322341] [2019-11-19 19:20:14,735 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 19:20:14,736 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-19 19:20:14,737 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882167181] [2019-11-19 19:20:14,737 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-19 19:20:14,737 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 19:20:14,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-19 19:20:14,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-19 19:20:14,738 INFO L87 Difference]: Start difference. First operand 6677 states and 18664 transitions. Second operand 7 states. [2019-11-19 19:20:14,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 19:20:14,955 INFO L93 Difference]: Finished difference Result 11051 states and 31057 transitions. [2019-11-19 19:20:14,955 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-19 19:20:14,956 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 32 [2019-11-19 19:20:14,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 19:20:14,979 INFO L225 Difference]: With dead ends: 11051 [2019-11-19 19:20:14,980 INFO L226 Difference]: Without dead ends: 6245 [2019-11-19 19:20:14,980 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-11-19 19:20:15,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6245 states. [2019-11-19 19:20:15,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6245 to 6245. [2019-11-19 19:20:15,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6245 states. [2019-11-19 19:20:15,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6245 states to 6245 states and 17584 transitions. [2019-11-19 19:20:15,146 INFO L78 Accepts]: Start accepts. Automaton has 6245 states and 17584 transitions. Word has length 32 [2019-11-19 19:20:15,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 19:20:15,147 INFO L462 AbstractCegarLoop]: Abstraction has 6245 states and 17584 transitions. [2019-11-19 19:20:15,147 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-19 19:20:15,147 INFO L276 IsEmpty]: Start isEmpty. Operand 6245 states and 17584 transitions. [2019-11-19 19:20:15,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-19 19:20:15,159 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 19:20:15,159 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 19:20:15,159 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 19:20:15,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:20:15,160 INFO L82 PathProgramCache]: Analyzing trace with hash -710277941, now seen corresponding path program 3 times [2019-11-19 19:20:15,160 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 19:20:15,160 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425496017] [2019-11-19 19:20:15,160 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 19:20:15,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 19:20:15,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 19:20:15,292 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425496017] [2019-11-19 19:20:15,292 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 19:20:15,293 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-19 19:20:15,293 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860529454] [2019-11-19 19:20:15,293 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-19 19:20:15,293 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 19:20:15,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-19 19:20:15,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-19 19:20:15,295 INFO L87 Difference]: Start difference. First operand 6245 states and 17584 transitions. Second operand 7 states. [2019-11-19 19:20:15,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 19:20:15,416 INFO L93 Difference]: Finished difference Result 4787 states and 13210 transitions. [2019-11-19 19:20:15,417 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-19 19:20:15,417 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 32 [2019-11-19 19:20:15,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 19:20:15,418 INFO L225 Difference]: With dead ends: 4787 [2019-11-19 19:20:15,418 INFO L226 Difference]: Without dead ends: 0 [2019-11-19 19:20:15,419 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-11-19 19:20:15,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-19 19:20:15,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-19 19:20:15,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-19 19:20:15,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-19 19:20:15,420 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2019-11-19 19:20:15,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 19:20:15,420 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 19:20:15,420 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-19 19:20:15,420 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-19 19:20:15,421 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 19:20:15,424 INFO L304 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-11-19 19:20:15,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:20:15 BasicIcfg [2019-11-19 19:20:15,426 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-19 19:20:15,427 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 19:20:15,427 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 19:20:15,427 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 19:20:15,428 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:20:05" (3/4) ... [2019-11-19 19:20:15,432 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-19 19:20:15,455 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-11-19 19:20:15,459 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-11-19 19:20:15,459 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2019-11-19 19:20:15,467 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-19 19:20:15,469 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-19 19:20:15,526 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-19 19:20:15,526 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 19:20:15,529 INFO L168 Benchmark]: Toolchain (without parser) took 10698.05 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 689.4 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -180.2 MB). Peak memory consumption was 509.2 MB. Max. memory is 11.5 GB. [2019-11-19 19:20:15,529 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 19:20:15,534 INFO L168 Benchmark]: CACSL2BoogieTranslator took 662.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -155.3 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2019-11-19 19:20:15,535 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.69 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 19:20:15,536 INFO L168 Benchmark]: Boogie Preprocessor took 24.60 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 19:20:15,541 INFO L168 Benchmark]: RCFGBuilder took 348.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. [2019-11-19 19:20:15,542 INFO L168 Benchmark]: TraceAbstraction took 9503.82 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 545.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -49.5 MB). Peak memory consumption was 495.7 MB. Max. memory is 11.5 GB. [2019-11-19 19:20:15,542 INFO L168 Benchmark]: Witness Printer took 99.64 ms. Allocated memory is still 1.7 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 19:20:15,547 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 662.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -155.3 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 52.69 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.60 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 348.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9503.82 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 545.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -49.5 MB). Peak memory consumption was 495.7 MB. Max. memory is 11.5 GB. * Witness Printer took 99.64 ms. Allocated memory is still 1.7 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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 13 procedures, 88 locations, 1 error locations. Result: SAFE, OverallTime: 9.3s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 521 SDtfs, 825 SDslu, 1243 SDs, 0 SdLazy, 203 SolverSat, 123 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 52 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31742occurred 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: 2.4s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 186 NumberOfCodeBlocks, 186 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 180 ConstructedInterpolants, 0 QuantifiedInterpolants, 15950 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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...