./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/safe028_pso.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/safe028_pso.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 6f458f93670c741a95bd21bba5a3c59834e850a6 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 19:20:33,466 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 19:20:33,469 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 19:20:33,482 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 19:20:33,483 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 19:20:33,484 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 19:20:33,485 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 19:20:33,488 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 19:20:33,490 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 19:20:33,491 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 19:20:33,492 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 19:20:33,493 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 19:20:33,493 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 19:20:33,495 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 19:20:33,496 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 19:20:33,497 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 19:20:33,498 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 19:20:33,499 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 19:20:33,501 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 19:20:33,503 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 19:20:33,505 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 19:20:33,506 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 19:20:33,508 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 19:20:33,509 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 19:20:33,511 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 19:20:33,512 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 19:20:33,512 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 19:20:33,513 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 19:20:33,514 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 19:20:33,515 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 19:20:33,515 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 19:20:33,516 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 19:20:33,517 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 19:20:33,518 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 19:20:33,519 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 19:20:33,519 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 19:20:33,520 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 19:20:33,520 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 19:20:33,521 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 19:20:33,522 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 19:20:33,523 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 19:20:33,524 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-19 19:20:33,539 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 19:20:33,540 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 19:20:33,541 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 19:20:33,541 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 19:20:33,542 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 19:20:33,542 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 19:20:33,542 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 19:20:33,543 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 19:20:33,543 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 19:20:33,543 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 19:20:33,544 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 19:20:33,544 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 19:20:33,544 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 19:20:33,544 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 19:20:33,545 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 19:20:33,545 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 19:20:33,545 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 19:20:33,545 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 19:20:33,546 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 19:20:33,546 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 19:20:33,546 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 19:20:33,547 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 19:20:33,547 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 19:20:33,547 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 19:20:33,548 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 19:20:33,548 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 19:20:33,548 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 19:20:33,548 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 19:20:33,549 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 -> 6f458f93670c741a95bd21bba5a3c59834e850a6 [2019-11-19 19:20:33,894 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 19:20:33,908 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 19:20:33,911 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 19:20:33,913 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 19:20:33,913 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 19:20:33,914 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe028_pso.opt.i [2019-11-19 19:20:33,984 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56bafaef0/19bcf0851ba946bead8e392458affdec/FLAG3288e2a06 [2019-11-19 19:20:34,579 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 19:20:34,580 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe028_pso.opt.i [2019-11-19 19:20:34,594 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56bafaef0/19bcf0851ba946bead8e392458affdec/FLAG3288e2a06 [2019-11-19 19:20:34,845 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56bafaef0/19bcf0851ba946bead8e392458affdec [2019-11-19 19:20:34,849 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 19:20:34,851 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 19:20:34,852 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 19:20:34,852 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 19:20:34,857 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 19:20:34,858 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:20:34" (1/1) ... [2019-11-19 19:20:34,861 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d93eb8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:20:34, skipping insertion in model container [2019-11-19 19:20:34,862 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:20:34" (1/1) ... [2019-11-19 19:20:34,869 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 19:20:34,922 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 19:20:35,361 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 19:20:35,373 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 19:20:35,435 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 19:20:35,514 INFO L192 MainTranslator]: Completed translation [2019-11-19 19:20:35,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:20:35 WrapperNode [2019-11-19 19:20:35,515 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 19:20:35,516 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 19:20:35,516 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 19:20:35,516 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 19:20:35,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:20:35" (1/1) ... [2019-11-19 19:20:35,543 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:20:35" (1/1) ... [2019-11-19 19:20:35,566 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 19:20:35,566 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 19:20:35,567 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 19:20:35,567 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 19:20:35,574 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:20:35" (1/1) ... [2019-11-19 19:20:35,575 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:20:35" (1/1) ... [2019-11-19 19:20:35,578 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:20:35" (1/1) ... [2019-11-19 19:20:35,578 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:20:35" (1/1) ... [2019-11-19 19:20:35,585 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:20:35" (1/1) ... [2019-11-19 19:20:35,587 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:20:35" (1/1) ... [2019-11-19 19:20:35,589 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:20:35" (1/1) ... [2019-11-19 19:20:35,593 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 19:20:35,593 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 19:20:35,594 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 19:20:35,594 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 19:20:35,595 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:20:35" (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 19:20:35,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-19 19:20:35,653 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-19 19:20:35,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 19:20:35,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-19 19:20:35,654 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-19 19:20:35,654 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-19 19:20:35,654 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-19 19:20:35,654 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-19 19:20:35,654 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-19 19:20:35,655 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-19 19:20:35,655 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-19 19:20:35,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 19:20:35,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 19:20:35,657 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 19:20:36,041 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 19:20:36,041 INFO L285 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-19 19:20:36,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:20:36 BoogieIcfgContainer [2019-11-19 19:20:36,044 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 19:20:36,046 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 19:20:36,046 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 19:20:36,050 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 19:20:36,050 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:20:34" (1/3) ... [2019-11-19 19:20:36,051 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1277f62c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:20:36, skipping insertion in model container [2019-11-19 19:20:36,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:20:35" (2/3) ... [2019-11-19 19:20:36,052 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1277f62c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:20:36, skipping insertion in model container [2019-11-19 19:20:36,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:20:36" (3/3) ... [2019-11-19 19:20:36,054 INFO L109 eAbstractionObserver]: Analyzing ICFG safe028_pso.opt.i [2019-11-19 19:20:36,105 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:36,106 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:36,106 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:36,106 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:36,107 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:36,107 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:36,107 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork4_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:36,108 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork4_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:36,108 WARN L315 ript$VariableManager]: TermVariabe P0Thread2of3ForFork4_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:36,108 WARN L315 ript$VariableManager]: TermVariabe P0Thread2of3ForFork4_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:36,109 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork4_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:36,109 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork4_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:36,110 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork7_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:36,110 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork7_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:36,110 WARN L315 ript$VariableManager]: TermVariabe P0Thread3of3ForFork7_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:36,110 WARN L315 ript$VariableManager]: TermVariabe P0Thread3of3ForFork7_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:36,111 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork7_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:36,111 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork7_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:36,111 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork5_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:36,112 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork5_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:36,112 WARN L315 ript$VariableManager]: TermVariabe P1Thread2of3ForFork5_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:36,112 WARN L315 ript$VariableManager]: TermVariabe P1Thread2of3ForFork5_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:36,113 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork5_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:36,113 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork5_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:36,113 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:36,114 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:36,114 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:36,114 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:36,115 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:36,115 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:36,115 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork8_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:36,115 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork8_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:36,116 WARN L315 ript$VariableManager]: TermVariabe P1Thread3of3ForFork8_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:36,116 WARN L315 ript$VariableManager]: TermVariabe P1Thread3of3ForFork8_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:36,116 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork8_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:36,116 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork8_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:36,117 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork6_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:36,117 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork6_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:36,117 WARN L315 ript$VariableManager]: TermVariabe P2Thread3of3ForFork6_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:36,118 WARN L315 ript$VariableManager]: TermVariabe P2Thread3of3ForFork6_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:36,118 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork6_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:36,118 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork6_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:36,119 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:36,119 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:36,119 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:36,119 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:36,120 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:36,120 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:36,120 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:36,121 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:36,121 WARN L315 ript$VariableManager]: TermVariabe P2Thread2of3ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:36,121 WARN L315 ript$VariableManager]: TermVariabe P2Thread2of3ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:36,122 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:36,122 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:36,162 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-19 19:20:36,163 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 19:20:36,173 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-19 19:20:36,185 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-19 19:20:36,204 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 19:20:36,205 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-19 19:20:36,205 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 19:20:36,205 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 19:20:36,205 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 19:20:36,205 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 19:20:36,205 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 19:20:36,205 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 19:20:36,217 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 95 places, 74 transitions [2019-11-19 19:20:40,290 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 31743 states. [2019-11-19 19:20:40,292 INFO L276 IsEmpty]: Start isEmpty. Operand 31743 states. [2019-11-19 19:20:40,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-19 19:20:40,356 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 19:20:40,357 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 19:20:40,358 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 19:20:40,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:20:40,365 INFO L82 PathProgramCache]: Analyzing trace with hash 1954387989, now seen corresponding path program 1 times [2019-11-19 19:20:40,376 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 19:20:40,377 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630494608] [2019-11-19 19:20:40,377 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 19:20:40,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 19:20:40,765 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 19:20:40,768 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630494608] [2019-11-19 19:20:40,769 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 19:20:40,770 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 19:20:40,771 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465657464] [2019-11-19 19:20:40,775 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 19:20:40,775 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 19:20:40,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 19:20:40,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-19 19:20:40,790 INFO L87 Difference]: Start difference. First operand 31743 states. Second operand 4 states. [2019-11-19 19:20:41,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 19:20:41,233 INFO L93 Difference]: Finished difference Result 33012 states and 103292 transitions. [2019-11-19 19:20:41,234 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-19 19:20:41,236 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 30 [2019-11-19 19:20:41,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 19:20:41,385 INFO L225 Difference]: With dead ends: 33012 [2019-11-19 19:20:41,385 INFO L226 Difference]: Without dead ends: 14274 [2019-11-19 19:20:41,388 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 19:20:41,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14274 states. [2019-11-19 19:20:42,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14274 to 14274. [2019-11-19 19:20:42,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14274 states. [2019-11-19 19:20:42,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14274 states to 14274 states and 44297 transitions. [2019-11-19 19:20:42,347 INFO L78 Accepts]: Start accepts. Automaton has 14274 states and 44297 transitions. Word has length 30 [2019-11-19 19:20:42,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 19:20:42,348 INFO L462 AbstractCegarLoop]: Abstraction has 14274 states and 44297 transitions. [2019-11-19 19:20:42,349 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 19:20:42,349 INFO L276 IsEmpty]: Start isEmpty. Operand 14274 states and 44297 transitions. [2019-11-19 19:20:42,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-19 19:20:42,375 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 19:20:42,376 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 19:20:42,376 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 19:20:42,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:20:42,377 INFO L82 PathProgramCache]: Analyzing trace with hash -2122152683, now seen corresponding path program 1 times [2019-11-19 19:20:42,377 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 19:20:42,377 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144791483] [2019-11-19 19:20:42,378 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 19:20:42,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 19:20:42,520 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 19:20:42,520 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144791483] [2019-11-19 19:20:42,521 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 19:20:42,521 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-19 19:20:42,521 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008958033] [2019-11-19 19:20:42,523 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 19:20:42,524 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 19:20:42,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 19:20:42,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-19 19:20:42,524 INFO L87 Difference]: Start difference. First operand 14274 states and 44297 transitions. Second operand 5 states. [2019-11-19 19:20:42,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 19:20:42,754 INFO L93 Difference]: Finished difference Result 14274 states and 42110 transitions. [2019-11-19 19:20:42,755 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-19 19:20:42,755 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2019-11-19 19:20:42,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 19:20:42,810 INFO L225 Difference]: With dead ends: 14274 [2019-11-19 19:20:42,811 INFO L226 Difference]: Without dead ends: 12573 [2019-11-19 19:20:42,812 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 19:20:42,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12573 states. [2019-11-19 19:20:43,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12573 to 12573. [2019-11-19 19:20:43,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12573 states. [2019-11-19 19:20:43,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12573 states to 12573 states and 38060 transitions. [2019-11-19 19:20:43,232 INFO L78 Accepts]: Start accepts. Automaton has 12573 states and 38060 transitions. Word has length 31 [2019-11-19 19:20:43,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 19:20:43,232 INFO L462 AbstractCegarLoop]: Abstraction has 12573 states and 38060 transitions. [2019-11-19 19:20:43,232 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 19:20:43,233 INFO L276 IsEmpty]: Start isEmpty. Operand 12573 states and 38060 transitions. [2019-11-19 19:20:43,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-19 19:20:43,253 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 19:20:43,253 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 19:20:43,254 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 19:20:43,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:20:43,254 INFO L82 PathProgramCache]: Analyzing trace with hash 370265264, now seen corresponding path program 1 times [2019-11-19 19:20:43,254 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 19:20:43,255 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663967847] [2019-11-19 19:20:43,255 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 19:20:43,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 19:20:43,389 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 19:20:43,390 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663967847] [2019-11-19 19:20:43,390 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 19:20:43,390 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-19 19:20:43,390 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715578937] [2019-11-19 19:20:43,391 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-19 19:20:43,391 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 19:20:43,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-19 19:20:43,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-19 19:20:43,392 INFO L87 Difference]: Start difference. First operand 12573 states and 38060 transitions. Second operand 6 states. [2019-11-19 19:20:43,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 19:20:43,584 INFO L93 Difference]: Finished difference Result 8928 states and 24938 transitions. [2019-11-19 19:20:43,585 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-19 19:20:43,585 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2019-11-19 19:20:43,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 19:20:43,608 INFO L225 Difference]: With dead ends: 8928 [2019-11-19 19:20:43,609 INFO L226 Difference]: Without dead ends: 7470 [2019-11-19 19:20:43,609 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 19:20:43,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7470 states. [2019-11-19 19:20:44,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7470 to 7470. [2019-11-19 19:20:44,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7470 states. [2019-11-19 19:20:44,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7470 states to 7470 states and 21050 transitions. [2019-11-19 19:20:44,035 INFO L78 Accepts]: Start accepts. Automaton has 7470 states and 21050 transitions. Word has length 32 [2019-11-19 19:20:44,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 19:20:44,036 INFO L462 AbstractCegarLoop]: Abstraction has 7470 states and 21050 transitions. [2019-11-19 19:20:44,036 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-19 19:20:44,036 INFO L276 IsEmpty]: Start isEmpty. Operand 7470 states and 21050 transitions. [2019-11-19 19:20:44,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-19 19:20:44,047 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 19:20:44,048 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, 1] [2019-11-19 19:20:44,048 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 19:20:44,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:20:44,048 INFO L82 PathProgramCache]: Analyzing trace with hash -980004665, now seen corresponding path program 1 times [2019-11-19 19:20:44,049 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 19:20:44,049 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97650257] [2019-11-19 19:20:44,049 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 19:20:44,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 19:20:44,192 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 19:20:44,193 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97650257] [2019-11-19 19:20:44,193 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 19:20:44,193 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-19 19:20:44,193 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578720517] [2019-11-19 19:20:44,194 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-19 19:20:44,194 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 19:20:44,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-19 19:20:44,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-19 19:20:44,195 INFO L87 Difference]: Start difference. First operand 7470 states and 21050 transitions. Second operand 7 states. [2019-11-19 19:20:44,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 19:20:44,417 INFO L93 Difference]: Finished difference Result 12411 states and 34928 transitions. [2019-11-19 19:20:44,418 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-19 19:20:44,418 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2019-11-19 19:20:44,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 19:20:44,438 INFO L225 Difference]: With dead ends: 12411 [2019-11-19 19:20:44,438 INFO L226 Difference]: Without dead ends: 7038 [2019-11-19 19:20:44,440 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 19:20:44,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7038 states. [2019-11-19 19:20:44,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7038 to 7038. [2019-11-19 19:20:44,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7038 states. [2019-11-19 19:20:44,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7038 states to 7038 states and 19781 transitions. [2019-11-19 19:20:44,617 INFO L78 Accepts]: Start accepts. Automaton has 7038 states and 19781 transitions. Word has length 33 [2019-11-19 19:20:44,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 19:20:44,618 INFO L462 AbstractCegarLoop]: Abstraction has 7038 states and 19781 transitions. [2019-11-19 19:20:44,618 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-19 19:20:44,618 INFO L276 IsEmpty]: Start isEmpty. Operand 7038 states and 19781 transitions. [2019-11-19 19:20:44,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-19 19:20:44,633 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 19:20:44,634 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, 1] [2019-11-19 19:20:44,634 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 19:20:44,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:20:44,635 INFO L82 PathProgramCache]: Analyzing trace with hash -1655377817, now seen corresponding path program 2 times [2019-11-19 19:20:44,635 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 19:20:44,635 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653300205] [2019-11-19 19:20:44,635 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 19:20:44,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 19:20:44,811 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 19:20:44,812 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653300205] [2019-11-19 19:20:44,812 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 19:20:44,812 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-19 19:20:44,813 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516233462] [2019-11-19 19:20:44,813 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-19 19:20:44,813 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 19:20:44,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-19 19:20:44,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-19 19:20:44,814 INFO L87 Difference]: Start difference. First operand 7038 states and 19781 transitions. Second operand 7 states. [2019-11-19 19:20:45,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 19:20:45,017 INFO L93 Difference]: Finished difference Result 11412 states and 32174 transitions. [2019-11-19 19:20:45,022 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-19 19:20:45,022 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2019-11-19 19:20:45,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 19:20:45,038 INFO L225 Difference]: With dead ends: 11412 [2019-11-19 19:20:45,039 INFO L226 Difference]: Without dead ends: 6714 [2019-11-19 19:20:45,039 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 19:20:45,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6714 states. [2019-11-19 19:20:45,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6714 to 6714. [2019-11-19 19:20:45,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6714 states. [2019-11-19 19:20:45,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6714 states to 6714 states and 18971 transitions. [2019-11-19 19:20:45,210 INFO L78 Accepts]: Start accepts. Automaton has 6714 states and 18971 transitions. Word has length 33 [2019-11-19 19:20:45,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 19:20:45,211 INFO L462 AbstractCegarLoop]: Abstraction has 6714 states and 18971 transitions. [2019-11-19 19:20:45,211 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-19 19:20:45,211 INFO L276 IsEmpty]: Start isEmpty. Operand 6714 states and 18971 transitions. [2019-11-19 19:20:45,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-19 19:20:45,221 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 19:20:45,221 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, 1] [2019-11-19 19:20:45,221 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 19:20:45,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:20:45,221 INFO L82 PathProgramCache]: Analyzing trace with hash 1300068121, now seen corresponding path program 3 times [2019-11-19 19:20:45,222 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 19:20:45,222 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755007214] [2019-11-19 19:20:45,222 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 19:20:45,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 19:20:45,334 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 19:20:45,334 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755007214] [2019-11-19 19:20:45,334 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 19:20:45,335 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-19 19:20:45,335 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008231174] [2019-11-19 19:20:45,335 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-19 19:20:45,335 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 19:20:45,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-19 19:20:45,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-19 19:20:45,337 INFO L87 Difference]: Start difference. First operand 6714 states and 18971 transitions. Second operand 7 states. [2019-11-19 19:20:45,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 19:20:45,448 INFO L93 Difference]: Finished difference Result 5256 states and 14597 transitions. [2019-11-19 19:20:45,449 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-19 19:20:45,449 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2019-11-19 19:20:45,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 19:20:45,449 INFO L225 Difference]: With dead ends: 5256 [2019-11-19 19:20:45,450 INFO L226 Difference]: Without dead ends: 0 [2019-11-19 19:20:45,450 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 19:20:45,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-19 19:20:45,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-19 19:20:45,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-19 19:20:45,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-19 19:20:45,451 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2019-11-19 19:20:45,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 19:20:45,452 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 19:20:45,452 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-19 19:20:45,452 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-19 19:20:45,453 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 19:20:45,456 INFO L304 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-11-19 19:20:45,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:20:45 BasicIcfg [2019-11-19 19:20:45,460 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-19 19:20:45,461 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 19:20:45,461 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 19:20:45,461 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 19:20:45,462 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:20:36" (3/4) ... [2019-11-19 19:20:45,469 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-19 19:20:45,494 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-11-19 19:20:45,494 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-11-19 19:20:45,496 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2019-11-19 19:20:45,501 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-19 19:20:45,502 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-19 19:20:45,552 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-19 19:20:45,552 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 19:20:45,555 INFO L168 Benchmark]: Toolchain (without parser) took 10704.21 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 633.3 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -107.0 MB). Peak memory consumption was 526.3 MB. Max. memory is 11.5 GB. [2019-11-19 19:20:45,556 INFO L168 Benchmark]: CDTParser took 0.27 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 19:20:45,557 INFO L168 Benchmark]: CACSL2BoogieTranslator took 663.21 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -123.7 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2019-11-19 19:20:45,557 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.57 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 19:20:45,557 INFO L168 Benchmark]: Boogie Preprocessor took 26.64 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 19:20:45,558 INFO L168 Benchmark]: RCFGBuilder took 451.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. [2019-11-19 19:20:45,559 INFO L168 Benchmark]: TraceAbstraction took 9413.95 ms. Allocated memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: 521.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -7.7 MB). Peak memory consumption was 513.4 MB. Max. memory is 11.5 GB. [2019-11-19 19:20:45,559 INFO L168 Benchmark]: Witness Printer took 92.06 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 19:20:45,562 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 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 663.21 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -123.7 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 50.57 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.64 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 451.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9413.95 ms. Allocated memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: 521.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -7.7 MB). Peak memory consumption was 513.4 MB. Max. memory is 11.5 GB. * Witness Printer took 92.06 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, 89 locations, 1 error locations. Result: SAFE, OverallTime: 9.2s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 564 SDtfs, 789 SDslu, 1486 SDs, 0 SdLazy, 233 SolverSat, 101 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 54 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31743occurred 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: 2.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 192 NumberOfCodeBlocks, 192 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 186 ConstructedInterpolants, 0 QuantifiedInterpolants, 15694 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...