./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/chl/node-trans.wvr.c --full-output -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8c2bbc92 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/chl/node-trans.wvr.c -s /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-2/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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f05e2efd4e13579f099399e4c67484d06363308a -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-8c2bbc9 [2021-10-05 22:19:10,515 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-05 22:19:10,517 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-05 22:19:10,551 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-05 22:19:10,552 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-05 22:19:10,553 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-05 22:19:10,555 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-05 22:19:10,557 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-05 22:19:10,559 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-05 22:19:10,560 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-05 22:19:10,561 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-05 22:19:10,562 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-05 22:19:10,563 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-05 22:19:10,564 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-05 22:19:10,565 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-05 22:19:10,567 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-05 22:19:10,568 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-05 22:19:10,569 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-05 22:19:10,571 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-05 22:19:10,573 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-05 22:19:10,574 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-05 22:19:10,577 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-05 22:19:10,578 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-05 22:19:10,579 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-05 22:19:10,587 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-05 22:19:10,587 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-05 22:19:10,588 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-05 22:19:10,591 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-05 22:19:10,591 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-05 22:19:10,592 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-05 22:19:10,592 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-05 22:19:10,597 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-05 22:19:10,598 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-05 22:19:10,599 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-05 22:19:10,603 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-05 22:19:10,603 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-05 22:19:10,604 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-05 22:19:10,605 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-05 22:19:10,608 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-05 22:19:10,609 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-05 22:19:10,610 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-05 22:19:10,611 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-05 22:19:10,657 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-05 22:19:10,658 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-05 22:19:10,659 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-05 22:19:10,659 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-05 22:19:10,661 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-05 22:19:10,662 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-05 22:19:10,662 INFO L138 SettingsManager]: * Use SBE=true [2021-10-05 22:19:10,662 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-05 22:19:10,662 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-05 22:19:10,662 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-05 22:19:10,663 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-05 22:19:10,664 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-05 22:19:10,664 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-05 22:19:10,664 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-05 22:19:10,664 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-05 22:19:10,664 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-05 22:19:10,665 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-05 22:19:10,665 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-05 22:19:10,665 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-05 22:19:10,665 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-05 22:19:10,665 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-05 22:19:10,665 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-05 22:19:10,666 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-05 22:19:10,666 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-05 22:19:10,666 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-05 22:19:10,666 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-05 22:19:10,666 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-05 22:19:10,667 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-05 22:19:10,667 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-05 22:19:10,667 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-05 22:19:10,667 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f05e2efd4e13579f099399e4c67484d06363308a [2021-10-05 22:19:11,048 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-05 22:19:11,077 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-05 22:19:11,080 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-05 22:19:11,082 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-05 22:19:11,083 INFO L275 PluginConnector]: CDTParser initialized [2021-10-05 22:19:11,084 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl/node-trans.wvr.c [2021-10-05 22:19:11,159 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/02e1261e2/fddbf57253414e08888e5aad1f50de9a/FLAG8825f6316 [2021-10-05 22:19:11,737 INFO L306 CDTParser]: Found 1 translation units. [2021-10-05 22:19:11,737 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/chl/node-trans.wvr.c [2021-10-05 22:19:11,746 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/02e1261e2/fddbf57253414e08888e5aad1f50de9a/FLAG8825f6316 [2021-10-05 22:19:12,102 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/02e1261e2/fddbf57253414e08888e5aad1f50de9a [2021-10-05 22:19:12,104 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-05 22:19:12,113 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-05 22:19:12,120 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-05 22:19:12,120 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-05 22:19:12,124 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-05 22:19:12,125 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.10 10:19:12" (1/1) ... [2021-10-05 22:19:12,126 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1969d6ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:19:12, skipping insertion in model container [2021-10-05 22:19:12,126 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.10 10:19:12" (1/1) ... [2021-10-05 22:19:12,135 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-05 22:19:12,178 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-05 22:19:12,370 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/chl/node-trans.wvr.c[3762,3775] [2021-10-05 22:19:12,399 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-05 22:19:12,420 INFO L203 MainTranslator]: Completed pre-run [2021-10-05 22:19:12,496 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/chl/node-trans.wvr.c[3762,3775] [2021-10-05 22:19:12,506 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-05 22:19:12,537 INFO L208 MainTranslator]: Completed translation [2021-10-05 22:19:12,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:19:12 WrapperNode [2021-10-05 22:19:12,541 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-05 22:19:12,543 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-05 22:19:12,543 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-05 22:19:12,544 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-05 22:19:12,552 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:19:12" (1/1) ... [2021-10-05 22:19:12,586 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:19:12" (1/1) ... [2021-10-05 22:19:12,659 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-05 22:19:12,663 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-05 22:19:12,663 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-05 22:19:12,663 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-05 22:19:12,677 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:19:12" (1/1) ... [2021-10-05 22:19:12,677 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:19:12" (1/1) ... [2021-10-05 22:19:12,700 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:19:12" (1/1) ... [2021-10-05 22:19:12,700 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:19:12" (1/1) ... [2021-10-05 22:19:12,732 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:19:12" (1/1) ... [2021-10-05 22:19:12,739 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:19:12" (1/1) ... [2021-10-05 22:19:12,742 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:19:12" (1/1) ... [2021-10-05 22:19:12,747 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-05 22:19:12,748 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-05 22:19:12,748 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-05 22:19:12,748 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-05 22:19:12,749 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:19:12" (1/1) ... [2021-10-05 22:19:12,761 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-05 22:19:12,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-05 22:19:12,790 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-05 22:19:12,821 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-05 22:19:12,867 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-05 22:19:12,867 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-05 22:19:12,867 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-05 22:19:12,867 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-05 22:19:12,867 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-05 22:19:12,868 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-05 22:19:12,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-05 22:19:12,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-05 22:19:12,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-05 22:19:12,868 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-05 22:19:12,868 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-05 22:19:12,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-05 22:19:12,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-05 22:19:12,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-05 22:19:12,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-05 22:19:12,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-05 22:19:12,871 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-05 22:19:14,128 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-05 22:19:14,131 INFO L299 CfgBuilder]: Removed 36 assume(true) statements. [2021-10-05 22:19:14,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 10:19:14 BoogieIcfgContainer [2021-10-05 22:19:14,137 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-05 22:19:14,141 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-05 22:19:14,142 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-05 22:19:14,152 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-05 22:19:14,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.10 10:19:12" (1/3) ... [2021-10-05 22:19:14,153 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@567b7984 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.10 10:19:14, skipping insertion in model container [2021-10-05 22:19:14,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:19:12" (2/3) ... [2021-10-05 22:19:14,153 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@567b7984 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.10 10:19:14, skipping insertion in model container [2021-10-05 22:19:14,154 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 10:19:14" (3/3) ... [2021-10-05 22:19:14,158 INFO L111 eAbstractionObserver]: Analyzing ICFG node-trans.wvr.c [2021-10-05 22:19:14,177 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-05 22:19:14,178 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-05 22:19:14,178 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-05 22:19:14,178 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-05 22:19:14,290 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,291 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,292 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,292 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,292 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,292 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,293 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,293 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,293 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,293 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,293 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,294 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,294 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,294 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,294 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,297 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,297 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,298 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,298 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,298 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,299 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,299 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,299 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,300 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,300 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,301 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,301 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,301 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,301 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,302 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,303 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,304 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,305 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,305 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,306 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,306 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,306 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,307 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,307 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,307 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,308 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,308 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~short17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,308 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,308 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,309 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,309 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,313 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,313 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,314 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,315 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,316 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,316 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,317 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,317 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,318 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,318 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,318 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~short17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,318 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,319 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,319 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,319 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,320 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,320 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,320 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,323 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,324 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,324 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,325 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,325 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,325 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,326 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,326 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,326 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,326 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,326 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,327 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,327 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,327 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,327 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,327 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,327 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,328 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,328 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~short27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,329 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,329 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,330 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,331 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,333 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,334 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,334 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,334 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,335 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,335 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,335 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,336 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,336 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,336 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,336 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~short27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,338 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,338 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,339 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,339 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,345 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,345 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,346 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,346 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,346 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~short27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,348 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,348 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,348 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,349 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,349 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,349 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,349 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,351 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,352 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,352 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,352 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,352 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,352 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,352 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,353 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,353 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,353 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,354 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,354 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,355 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~short17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,356 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,356 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,356 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,356 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,356 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,357 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,357 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,357 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,357 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,357 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,357 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:19:14,367 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-10-05 22:19:14,440 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-05 22:19:14,449 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-05 22:19:14,449 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-10-05 22:19:14,474 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-10-05 22:19:14,487 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 269 places, 278 transitions, 580 flow [2021-10-05 22:19:14,490 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 269 places, 278 transitions, 580 flow [2021-10-05 22:19:14,492 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 269 places, 278 transitions, 580 flow [2021-10-05 22:19:14,636 INFO L129 PetriNetUnfolder]: 19/275 cut-off events. [2021-10-05 22:19:14,637 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-10-05 22:19:14,648 INFO L84 FinitePrefix]: Finished finitePrefix Result has 288 conditions, 275 events. 19/275 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 109 event pairs, 0 based on Foata normal form. 0/255 useless extension candidates. Maximal degree in co-relation 249. Up to 2 conditions per place. [2021-10-05 22:19:14,654 INFO L116 LiptonReduction]: Number of co-enabled transitions 270 [2021-10-05 22:19:30,489 INFO L131 LiptonReduction]: Checked pairs total: 541 [2021-10-05 22:19:30,489 INFO L133 LiptonReduction]: Total number of compositions: 288 [2021-10-05 22:19:30,499 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 36 places, 32 transitions, 88 flow [2021-10-05 22:19:30,515 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 50 states, 49 states have (on average 1.8775510204081634) internal successors, (92), 49 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-05 22:19:30,518 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 49 states have (on average 1.8775510204081634) internal successors, (92), 49 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-05 22:19:30,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-05 22:19:30,525 INFO L504 BasicCegarLoop]: Found error trace [2021-10-05 22:19:30,525 INFO L512 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] [2021-10-05 22:19:30,526 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-05 22:19:30,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-05 22:19:30,532 INFO L82 PathProgramCache]: Analyzing trace with hash 606712560, now seen corresponding path program 1 times [2021-10-05 22:19:30,542 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-05 22:19:30,543 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019503502] [2021-10-05 22:19:30,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-05 22:19:30,544 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-05 22:19:31,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-05 22:19:31,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-05 22:19:31,652 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-05 22:19:31,652 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019503502] [2021-10-05 22:19:31,653 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019503502] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-05 22:19:31,653 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-05 22:19:31,654 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-10-05 22:19:31,655 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025375053] [2021-10-05 22:19:31,662 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-05 22:19:31,662 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-05 22:19:31,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-05 22:19:31,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-10-05 22:19:31,685 INFO L87 Difference]: Start difference. First operand has 50 states, 49 states have (on average 1.8775510204081634) internal successors, (92), 49 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 11 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-05 22:19:32,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-05 22:19:32,262 INFO L93 Difference]: Finished difference Result 111 states and 175 transitions. [2021-10-05 22:19:32,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-05 22:19:32,264 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-10-05 22:19:32,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-05 22:19:32,273 INFO L225 Difference]: With dead ends: 111 [2021-10-05 22:19:32,274 INFO L226 Difference]: Without dead ends: 82 [2021-10-05 22:19:32,275 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 437.2ms TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2021-10-05 22:19:32,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2021-10-05 22:19:32,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 55. [2021-10-05 22:19:32,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 54 states have (on average 1.8333333333333333) internal successors, (99), 54 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-05 22:19:32,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 99 transitions. [2021-10-05 22:19:32,316 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 99 transitions. Word has length 22 [2021-10-05 22:19:32,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-05 22:19:32,317 INFO L470 AbstractCegarLoop]: Abstraction has 55 states and 99 transitions. [2021-10-05 22:19:32,317 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-05 22:19:32,317 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 99 transitions. [2021-10-05 22:19:32,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-05 22:19:32,319 INFO L504 BasicCegarLoop]: Found error trace [2021-10-05 22:19:32,319 INFO L512 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] [2021-10-05 22:19:32,319 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-05 22:19:32,319 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-05 22:19:32,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-05 22:19:32,320 INFO L82 PathProgramCache]: Analyzing trace with hash 1502102176, now seen corresponding path program 2 times [2021-10-05 22:19:32,320 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-05 22:19:32,321 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130862211] [2021-10-05 22:19:32,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-05 22:19:32,321 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-05 22:19:32,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-05 22:19:32,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-05 22:19:32,929 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-05 22:19:32,930 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130862211] [2021-10-05 22:19:32,930 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130862211] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-05 22:19:32,930 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-05 22:19:32,931 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-05 22:19:32,932 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623550229] [2021-10-05 22:19:32,937 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-05 22:19:32,938 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-05 22:19:32,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-05 22:19:32,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-10-05 22:19:32,941 INFO L87 Difference]: Start difference. First operand 55 states and 99 transitions. Second operand has 9 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-05 22:19:33,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-05 22:19:33,193 INFO L93 Difference]: Finished difference Result 77 states and 124 transitions. [2021-10-05 22:19:33,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-05 22:19:33,194 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-10-05 22:19:33,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-05 22:19:33,196 INFO L225 Difference]: With dead ends: 77 [2021-10-05 22:19:33,197 INFO L226 Difference]: Without dead ends: 63 [2021-10-05 22:19:33,197 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 164.2ms TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2021-10-05 22:19:33,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2021-10-05 22:19:33,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 50. [2021-10-05 22:19:33,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 49 states have (on average 1.7551020408163265) internal successors, (86), 49 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-05 22:19:33,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 86 transitions. [2021-10-05 22:19:33,206 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 86 transitions. Word has length 22 [2021-10-05 22:19:33,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-05 22:19:33,206 INFO L470 AbstractCegarLoop]: Abstraction has 50 states and 86 transitions. [2021-10-05 22:19:33,207 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-05 22:19:33,207 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 86 transitions. [2021-10-05 22:19:33,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-05 22:19:33,208 INFO L504 BasicCegarLoop]: Found error trace [2021-10-05 22:19:33,208 INFO L512 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] [2021-10-05 22:19:33,208 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-05 22:19:33,209 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-05 22:19:33,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-05 22:19:33,209 INFO L82 PathProgramCache]: Analyzing trace with hash -396548898, now seen corresponding path program 3 times [2021-10-05 22:19:33,210 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-05 22:19:33,210 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585455723] [2021-10-05 22:19:33,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-05 22:19:33,210 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-05 22:19:33,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-05 22:19:33,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-05 22:19:33,534 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-05 22:19:33,534 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585455723] [2021-10-05 22:19:33,534 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585455723] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-05 22:19:33,535 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-05 22:19:33,535 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-05 22:19:33,535 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317357562] [2021-10-05 22:19:33,536 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-05 22:19:33,536 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-05 22:19:33,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-05 22:19:33,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-10-05 22:19:33,537 INFO L87 Difference]: Start difference. First operand 50 states and 86 transitions. Second operand has 9 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-05 22:19:33,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-05 22:19:33,881 INFO L93 Difference]: Finished difference Result 69 states and 106 transitions. [2021-10-05 22:19:33,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-05 22:19:33,882 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-10-05 22:19:33,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-05 22:19:33,883 INFO L225 Difference]: With dead ends: 69 [2021-10-05 22:19:33,883 INFO L226 Difference]: Without dead ends: 50 [2021-10-05 22:19:33,884 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 271.6ms TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2021-10-05 22:19:33,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2021-10-05 22:19:33,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 42. [2021-10-05 22:19:33,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 41 states have (on average 1.6829268292682926) internal successors, (69), 41 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-05 22:19:33,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 69 transitions. [2021-10-05 22:19:33,890 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 69 transitions. Word has length 22 [2021-10-05 22:19:33,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-05 22:19:33,890 INFO L470 AbstractCegarLoop]: Abstraction has 42 states and 69 transitions. [2021-10-05 22:19:33,891 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-05 22:19:33,891 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 69 transitions. [2021-10-05 22:19:33,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-05 22:19:33,892 INFO L504 BasicCegarLoop]: Found error trace [2021-10-05 22:19:33,892 INFO L512 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] [2021-10-05 22:19:33,892 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-05 22:19:33,893 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-05 22:19:33,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-05 22:19:33,893 INFO L82 PathProgramCache]: Analyzing trace with hash 1714072982, now seen corresponding path program 4 times [2021-10-05 22:19:33,894 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-05 22:19:33,894 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429726363] [2021-10-05 22:19:33,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-05 22:19:33,894 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-05 22:19:33,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-05 22:19:34,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-05 22:19:34,246 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-05 22:19:34,246 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429726363] [2021-10-05 22:19:34,247 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [429726363] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-05 22:19:34,247 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-05 22:19:34,247 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-05 22:19:34,248 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362396166] [2021-10-05 22:19:34,248 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-05 22:19:34,248 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-05 22:19:34,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-05 22:19:34,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-10-05 22:19:34,250 INFO L87 Difference]: Start difference. First operand 42 states and 69 transitions. Second operand has 10 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-05 22:19:34,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-05 22:19:34,584 INFO L93 Difference]: Finished difference Result 91 states and 129 transitions. [2021-10-05 22:19:34,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-05 22:19:34,585 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-10-05 22:19:34,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-05 22:19:34,586 INFO L225 Difference]: With dead ends: 91 [2021-10-05 22:19:34,586 INFO L226 Difference]: Without dead ends: 62 [2021-10-05 22:19:34,586 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 273.5ms TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2021-10-05 22:19:34,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2021-10-05 22:19:34,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 44. [2021-10-05 22:19:34,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 43 states have (on average 1.6511627906976745) internal successors, (71), 43 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-05 22:19:34,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 71 transitions. [2021-10-05 22:19:34,599 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 71 transitions. Word has length 22 [2021-10-05 22:19:34,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-05 22:19:34,600 INFO L470 AbstractCegarLoop]: Abstraction has 44 states and 71 transitions. [2021-10-05 22:19:34,600 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-05 22:19:34,600 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 71 transitions. [2021-10-05 22:19:34,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-05 22:19:34,601 INFO L504 BasicCegarLoop]: Found error trace [2021-10-05 22:19:34,601 INFO L512 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] [2021-10-05 22:19:34,601 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-05 22:19:34,601 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-05 22:19:34,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-05 22:19:34,602 INFO L82 PathProgramCache]: Analyzing trace with hash -917009334, now seen corresponding path program 5 times [2021-10-05 22:19:34,602 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-05 22:19:34,602 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523867300] [2021-10-05 22:19:34,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-05 22:19:34,603 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-05 22:19:34,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-05 22:19:34,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-05 22:19:34,877 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-05 22:19:34,877 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523867300] [2021-10-05 22:19:34,878 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523867300] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-05 22:19:34,878 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-05 22:19:34,878 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-05 22:19:34,878 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429134626] [2021-10-05 22:19:34,879 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-05 22:19:34,879 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-05 22:19:34,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-05 22:19:34,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-10-05 22:19:34,880 INFO L87 Difference]: Start difference. First operand 44 states and 71 transitions. Second operand has 10 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-05 22:19:35,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-05 22:19:35,100 INFO L93 Difference]: Finished difference Result 59 states and 84 transitions. [2021-10-05 22:19:35,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-05 22:19:35,101 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-10-05 22:19:35,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-05 22:19:35,102 INFO L225 Difference]: With dead ends: 59 [2021-10-05 22:19:35,102 INFO L226 Difference]: Without dead ends: 45 [2021-10-05 22:19:35,102 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 153.8ms TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2021-10-05 22:19:35,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2021-10-05 22:19:35,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 34. [2021-10-05 22:19:35,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 33 states have (on average 1.5757575757575757) internal successors, (52), 33 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-05 22:19:35,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 52 transitions. [2021-10-05 22:19:35,112 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 52 transitions. Word has length 22 [2021-10-05 22:19:35,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-05 22:19:35,113 INFO L470 AbstractCegarLoop]: Abstraction has 34 states and 52 transitions. [2021-10-05 22:19:35,113 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-05 22:19:35,113 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 52 transitions. [2021-10-05 22:19:35,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-05 22:19:35,115 INFO L504 BasicCegarLoop]: Found error trace [2021-10-05 22:19:35,115 INFO L512 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] [2021-10-05 22:19:35,115 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-05 22:19:35,116 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-05 22:19:35,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-05 22:19:35,116 INFO L82 PathProgramCache]: Analyzing trace with hash -470520056, now seen corresponding path program 6 times [2021-10-05 22:19:35,117 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-05 22:19:35,118 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001943368] [2021-10-05 22:19:35,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-05 22:19:35,119 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-05 22:19:35,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-05 22:19:35,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-05 22:19:35,631 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-05 22:19:35,631 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001943368] [2021-10-05 22:19:35,631 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2001943368] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-05 22:19:35,632 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-05 22:19:35,632 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-10-05 22:19:35,632 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594241269] [2021-10-05 22:19:35,633 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-10-05 22:19:35,633 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-05 22:19:35,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-10-05 22:19:35,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-10-05 22:19:35,634 INFO L87 Difference]: Start difference. First operand 34 states and 52 transitions. Second operand has 12 states, 11 states have (on average 2.0) internal successors, (22), 11 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-05 22:19:36,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-05 22:19:36,032 INFO L93 Difference]: Finished difference Result 43 states and 61 transitions. [2021-10-05 22:19:36,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-05 22:19:36,033 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.0) internal successors, (22), 11 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-10-05 22:19:36,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-05 22:19:36,033 INFO L225 Difference]: With dead ends: 43 [2021-10-05 22:19:36,033 INFO L226 Difference]: Without dead ends: 30 [2021-10-05 22:19:36,034 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 358.2ms TimeCoverageRelationStatistics Valid=84, Invalid=188, Unknown=0, NotChecked=0, Total=272 [2021-10-05 22:19:36,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2021-10-05 22:19:36,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2021-10-05 22:19:36,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 1.4827586206896552) internal successors, (43), 29 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-05 22:19:36,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 43 transitions. [2021-10-05 22:19:36,038 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 43 transitions. Word has length 22 [2021-10-05 22:19:36,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-05 22:19:36,038 INFO L470 AbstractCegarLoop]: Abstraction has 30 states and 43 transitions. [2021-10-05 22:19:36,039 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.0) internal successors, (22), 11 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-05 22:19:36,039 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2021-10-05 22:19:36,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-05 22:19:36,040 INFO L504 BasicCegarLoop]: Found error trace [2021-10-05 22:19:36,040 INFO L512 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] [2021-10-05 22:19:36,040 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-05 22:19:36,040 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-05 22:19:36,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-05 22:19:36,041 INFO L82 PathProgramCache]: Analyzing trace with hash -640615722, now seen corresponding path program 7 times [2021-10-05 22:19:36,041 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-05 22:19:36,042 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770008074] [2021-10-05 22:19:36,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-05 22:19:36,042 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-05 22:19:36,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-05 22:19:36,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-05 22:19:36,192 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-05 22:19:36,192 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770008074] [2021-10-05 22:19:36,192 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770008074] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-05 22:19:36,192 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-05 22:19:36,193 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-05 22:19:36,193 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831784191] [2021-10-05 22:19:36,193 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-05 22:19:36,194 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-05 22:19:36,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-05 22:19:36,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-05 22:19:36,195 INFO L87 Difference]: Start difference. First operand 30 states and 43 transitions. Second operand has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-05 22:19:36,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-05 22:19:36,314 INFO L93 Difference]: Finished difference Result 37 states and 49 transitions. [2021-10-05 22:19:36,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-05 22:19:36,314 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-10-05 22:19:36,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-05 22:19:36,315 INFO L225 Difference]: With dead ends: 37 [2021-10-05 22:19:36,315 INFO L226 Difference]: Without dead ends: 26 [2021-10-05 22:19:36,315 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 63.7ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-05 22:19:36,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-10-05 22:19:36,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2021-10-05 22:19:36,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 25 states have (on average 1.36) internal successors, (34), 25 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-05 22:19:36,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 34 transitions. [2021-10-05 22:19:36,318 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 34 transitions. Word has length 22 [2021-10-05 22:19:36,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-05 22:19:36,319 INFO L470 AbstractCegarLoop]: Abstraction has 26 states and 34 transitions. [2021-10-05 22:19:36,319 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-05 22:19:36,319 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2021-10-05 22:19:36,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-05 22:19:36,320 INFO L504 BasicCegarLoop]: Found error trace [2021-10-05 22:19:36,320 INFO L512 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] [2021-10-05 22:19:36,320 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-05 22:19:36,320 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-05 22:19:36,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-05 22:19:36,321 INFO L82 PathProgramCache]: Analyzing trace with hash -1506854182, now seen corresponding path program 8 times [2021-10-05 22:19:36,321 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-05 22:19:36,321 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667000744] [2021-10-05 22:19:36,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-05 22:19:36,321 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-05 22:19:36,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-05 22:19:36,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-05 22:19:36,450 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-05 22:19:36,451 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667000744] [2021-10-05 22:19:36,451 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667000744] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-05 22:19:36,451 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-05 22:19:36,451 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-05 22:19:36,451 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615207371] [2021-10-05 22:19:36,452 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-05 22:19:36,452 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-05 22:19:36,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-05 22:19:36,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-05 22:19:36,453 INFO L87 Difference]: Start difference. First operand 26 states and 34 transitions. Second operand has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-05 22:19:36,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-05 22:19:36,555 INFO L93 Difference]: Finished difference Result 25 states and 33 transitions. [2021-10-05 22:19:36,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-05 22:19:36,556 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-10-05 22:19:36,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-05 22:19:36,556 INFO L225 Difference]: With dead ends: 25 [2021-10-05 22:19:36,556 INFO L226 Difference]: Without dead ends: 0 [2021-10-05 22:19:36,557 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 53.1ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-05 22:19:36,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-05 22:19:36,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-05 22:19:36,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-05 22:19:36,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-05 22:19:36,557 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2021-10-05 22:19:36,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-05 22:19:36,558 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-05 22:19:36,558 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-05 22:19:36,558 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-05 22:19:36,558 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-05 22:19:36,561 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-05 22:19:36,561 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-05 22:19:36,561 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-05 22:19:36,562 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-05 22:19:36,562 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-05 22:19:36,566 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-05 22:19:36,566 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-05 22:19:36,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.10 10:19:36 BasicIcfg [2021-10-05 22:19:36,568 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-05 22:19:36,569 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-05 22:19:36,569 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-05 22:19:36,569 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-05 22:19:36,569 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 10:19:14" (3/4) ... [2021-10-05 22:19:36,572 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-05 22:19:36,579 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2021-10-05 22:19:36,579 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2021-10-05 22:19:36,579 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2021-10-05 22:19:36,587 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2021-10-05 22:19:36,588 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-05 22:19:36,588 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-05 22:19:36,589 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-05 22:19:36,658 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-10-05 22:19:36,658 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-05 22:19:36,660 INFO L168 Benchmark]: Toolchain (without parser) took 24551.95 ms. Allocated memory was 48.2 MB in the beginning and 125.8 MB in the end (delta: 77.6 MB). Free memory was 24.1 MB in the beginning and 41.0 MB in the end (delta: -16.8 MB). Peak memory consumption was 63.8 MB. Max. memory is 16.1 GB. [2021-10-05 22:19:36,661 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 48.2 MB. Free memory is still 29.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-05 22:19:36,661 INFO L168 Benchmark]: CACSL2BoogieTranslator took 422.05 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 23.8 MB in the beginning and 33.4 MB in the end (delta: -9.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. [2021-10-05 22:19:36,661 INFO L168 Benchmark]: Boogie Procedure Inliner took 116.53 ms. Allocated memory is still 58.7 MB. Free memory was 33.4 MB in the beginning and 31.1 MB in the end (delta: 2.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-05 22:19:36,662 INFO L168 Benchmark]: Boogie Preprocessor took 84.30 ms. Allocated memory is still 58.7 MB. Free memory was 31.0 MB in the beginning and 28.8 MB in the end (delta: 2.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-05 22:19:36,662 INFO L168 Benchmark]: RCFGBuilder took 1389.60 ms. Allocated memory is still 58.7 MB. Free memory was 28.8 MB in the beginning and 25.2 MB in the end (delta: 3.5 MB). Peak memory consumption was 7.0 MB. Max. memory is 16.1 GB. [2021-10-05 22:19:36,663 INFO L168 Benchmark]: TraceAbstraction took 22426.87 ms. Allocated memory was 58.7 MB in the beginning and 125.8 MB in the end (delta: 67.1 MB). Free memory was 24.7 MB in the beginning and 47.3 MB in the end (delta: -22.6 MB). Peak memory consumption was 44.9 MB. Max. memory is 16.1 GB. [2021-10-05 22:19:36,663 INFO L168 Benchmark]: Witness Printer took 89.70 ms. Allocated memory is still 125.8 MB. Free memory was 47.3 MB in the beginning and 41.0 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-05 22:19:36,666 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 48.2 MB. Free memory is still 29.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 422.05 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 23.8 MB in the beginning and 33.4 MB in the end (delta: -9.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 116.53 ms. Allocated memory is still 58.7 MB. Free memory was 33.4 MB in the beginning and 31.1 MB in the end (delta: 2.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 84.30 ms. Allocated memory is still 58.7 MB. Free memory was 31.0 MB in the beginning and 28.8 MB in the end (delta: 2.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1389.60 ms. Allocated memory is still 58.7 MB. Free memory was 28.8 MB in the beginning and 25.2 MB in the end (delta: 3.5 MB). Peak memory consumption was 7.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 22426.87 ms. Allocated memory was 58.7 MB in the beginning and 125.8 MB in the end (delta: 67.1 MB). Free memory was 24.7 MB in the beginning and 47.3 MB in the end (delta: -22.6 MB). Peak memory consumption was 44.9 MB. Max. memory is 16.1 GB. * Witness Printer took 89.70 ms. Allocated memory is still 125.8 MB. Free memory was 47.3 MB in the beginning and 41.0 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 15999.6ms, 269 PlacesBefore, 36 PlacesAfterwards, 278 TransitionsBefore, 32 TransitionsAfterwards, 270 CoEnabledTransitionPairs, 7 FixpointIterations, 221 TrivialSequentialCompositions, 18 ConcurrentSequentialCompositions, 36 TrivialYvCompositions, 0 ConcurrentYvCompositions, 13 ChoiceCompositions, 288 TotalNumberOfCompositions, 541 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 429, positive: 386, positive conditional: 0, positive unconditional: 386, negative: 43, negative conditional: 0, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 220, positive: 208, positive conditional: 0, positive unconditional: 208, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 220, positive: 208, positive conditional: 0, positive unconditional: 208, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 12, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 134, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 134, negative conditional: 0, negative unconditional: 134, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 429, positive: 178, positive conditional: 0, positive unconditional: 178, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 220, unknown conditional: 0, unknown unconditional: 220] , Statistics on independence cache: Total cache size (in pairs): 22, Positive cache size: 18, Positive conditional cache size: 0, Positive unconditional cache size: 18, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 107]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 275 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 22127.2ms, OverallIterations: 8, TraceHistogramMax: 1, EmptinessCheckTime: 16.5ms, AutomataDifference: 2407.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 16066.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 163 SDtfs, 814 SDslu, 255 SDs, 0 SdLazy, 800 SolverSat, 86 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 894.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 92 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 1775.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred in iteration=1, InterpolantAutomatonStates: 51, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 68.2ms AutomataMinimizationTime, 8 MinimizatonAttempts, 77 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 47.4ms SsaConstructionTime, 1214.8ms SatisfiabilityAnalysisTime, 2078.4ms InterpolantComputationTime, 176 NumberOfCodeBlocks, 176 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 168 ConstructedInterpolants, 0 QuantifiedInterpolants, 2949 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-05 22:19:36,716 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...