./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_07-cond_racing2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7075aec7-2125-4f87-8a61-a9e3bbbd832e/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7075aec7-2125-4f87-8a61-a9e3bbbd832e/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7075aec7-2125-4f87-8a61-a9e3bbbd832e/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7075aec7-2125-4f87-8a61-a9e3bbbd832e/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_07-cond_racing2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7075aec7-2125-4f87-8a61-a9e3bbbd832e/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7075aec7-2125-4f87-8a61-a9e3bbbd832e/bin/uautomizer-DrprNOufMa --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 45d1947e02656e790dafd6ca03f6eadb14d0b370e2217b75740af9998d975bef --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 19:45:07,490 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 19:45:07,492 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 19:45:07,523 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 19:45:07,523 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 19:45:07,524 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 19:45:07,526 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 19:45:07,528 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 19:45:07,530 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 19:45:07,531 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 19:45:07,532 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 19:45:07,534 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 19:45:07,534 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 19:45:07,536 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 19:45:07,537 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 19:45:07,539 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 19:45:07,540 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 19:45:07,541 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 19:45:07,543 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 19:45:07,545 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 19:45:07,547 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 19:45:07,549 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 19:45:07,550 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 19:45:07,551 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 19:45:07,554 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 19:45:07,555 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 19:45:07,555 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 19:45:07,556 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 19:45:07,556 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 19:45:07,557 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 19:45:07,558 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 19:45:07,559 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 19:45:07,559 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 19:45:07,560 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 19:45:07,561 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 19:45:07,561 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 19:45:07,562 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 19:45:07,562 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 19:45:07,562 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 19:45:07,563 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 19:45:07,564 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 19:45:07,565 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7075aec7-2125-4f87-8a61-a9e3bbbd832e/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-06 19:45:07,587 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 19:45:07,587 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 19:45:07,587 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 19:45:07,587 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 19:45:07,588 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 19:45:07,588 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 19:45:07,589 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 19:45:07,589 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 19:45:07,589 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 19:45:07,589 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 19:45:07,590 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 19:45:07,590 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 19:45:07,590 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 19:45:07,590 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 19:45:07,590 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 19:45:07,590 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 19:45:07,591 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 19:45:07,591 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 19:45:07,591 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 19:45:07,591 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 19:45:07,591 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 19:45:07,591 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 19:45:07,591 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 19:45:07,592 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 19:45:07,592 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 19:45:07,592 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 19:45:07,592 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 19:45:07,592 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 19:45:07,592 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 19:45:07,592 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 19:45:07,592 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 19:45:07,593 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 19:45:07,593 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 19:45:07,593 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 19:45:07,593 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7075aec7-2125-4f87-8a61-a9e3bbbd832e/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7075aec7-2125-4f87-8a61-a9e3bbbd832e/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45d1947e02656e790dafd6ca03f6eadb14d0b370e2217b75740af9998d975bef [2021-12-06 19:45:07,780 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 19:45:07,798 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 19:45:07,800 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 19:45:07,800 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 19:45:07,801 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 19:45:07,802 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7075aec7-2125-4f87-8a61-a9e3bbbd832e/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/goblint-regression/28-race_reach_07-cond_racing2.i [2021-12-06 19:45:07,842 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7075aec7-2125-4f87-8a61-a9e3bbbd832e/bin/uautomizer-DrprNOufMa/data/35eaabcf7/eb5a88051fc642afae17b166ca292cce/FLAGb1c089474 [2021-12-06 19:45:08,287 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 19:45:08,287 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7075aec7-2125-4f87-8a61-a9e3bbbd832e/sv-benchmarks/c/goblint-regression/28-race_reach_07-cond_racing2.i [2021-12-06 19:45:08,301 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7075aec7-2125-4f87-8a61-a9e3bbbd832e/bin/uautomizer-DrprNOufMa/data/35eaabcf7/eb5a88051fc642afae17b166ca292cce/FLAGb1c089474 [2021-12-06 19:45:08,311 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7075aec7-2125-4f87-8a61-a9e3bbbd832e/bin/uautomizer-DrprNOufMa/data/35eaabcf7/eb5a88051fc642afae17b166ca292cce [2021-12-06 19:45:08,313 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 19:45:08,314 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 19:45:08,315 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 19:45:08,315 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 19:45:08,318 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 19:45:08,318 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:45:08" (1/1) ... [2021-12-06 19:45:08,319 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@256cd18b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:45:08, skipping insertion in model container [2021-12-06 19:45:08,319 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:45:08" (1/1) ... [2021-12-06 19:45:08,324 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 19:45:08,353 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 19:45:08,597 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7075aec7-2125-4f87-8a61-a9e3bbbd832e/sv-benchmarks/c/goblint-regression/28-race_reach_07-cond_racing2.i[41322,41335] [2021-12-06 19:45:08,610 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 19:45:08,619 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 19:45:08,646 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7075aec7-2125-4f87-8a61-a9e3bbbd832e/sv-benchmarks/c/goblint-regression/28-race_reach_07-cond_racing2.i[41322,41335] [2021-12-06 19:45:08,652 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 19:45:08,697 INFO L208 MainTranslator]: Completed translation [2021-12-06 19:45:08,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:45:08 WrapperNode [2021-12-06 19:45:08,697 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 19:45:08,698 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 19:45:08,698 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 19:45:08,698 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 19:45:08,703 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:45:08" (1/1) ... [2021-12-06 19:45:08,716 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:45:08" (1/1) ... [2021-12-06 19:45:08,734 INFO L137 Inliner]: procedures = 270, calls = 33, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 92 [2021-12-06 19:45:08,734 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 19:45:08,734 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 19:45:08,734 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 19:45:08,735 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 19:45:08,741 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:45:08" (1/1) ... [2021-12-06 19:45:08,741 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:45:08" (1/1) ... [2021-12-06 19:45:08,744 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:45:08" (1/1) ... [2021-12-06 19:45:08,744 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:45:08" (1/1) ... [2021-12-06 19:45:08,750 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:45:08" (1/1) ... [2021-12-06 19:45:08,753 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:45:08" (1/1) ... [2021-12-06 19:45:08,754 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:45:08" (1/1) ... [2021-12-06 19:45:08,757 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 19:45:08,758 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 19:45:08,758 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 19:45:08,758 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 19:45:08,758 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:45:08" (1/1) ... [2021-12-06 19:45:08,764 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 19:45:08,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7075aec7-2125-4f87-8a61-a9e3bbbd832e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:45:08,784 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7075aec7-2125-4f87-8a61-a9e3bbbd832e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 19:45:08,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7075aec7-2125-4f87-8a61-a9e3bbbd832e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 19:45:08,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 19:45:08,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 19:45:08,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 19:45:08,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 19:45:08,822 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-12-06 19:45:08,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 19:45:08,822 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-12-06 19:45:08,822 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-12-06 19:45:08,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 19:45:08,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 19:45:08,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 19:45:08,824 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-06 19:45:08,921 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 19:45:08,922 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 19:45:09,092 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 19:45:09,098 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 19:45:09,098 INFO L301 CfgBuilder]: Removed 10 assume(true) statements. [2021-12-06 19:45:09,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:45:09 BoogieIcfgContainer [2021-12-06 19:45:09,100 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 19:45:09,101 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 19:45:09,101 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 19:45:09,104 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 19:45:09,104 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 07:45:08" (1/3) ... [2021-12-06 19:45:09,104 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@656b878 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 07:45:09, skipping insertion in model container [2021-12-06 19:45:09,104 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:45:08" (2/3) ... [2021-12-06 19:45:09,105 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@656b878 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 07:45:09, skipping insertion in model container [2021-12-06 19:45:09,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:45:09" (3/3) ... [2021-12-06 19:45:09,106 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_07-cond_racing2.i [2021-12-06 19:45:09,109 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-06 19:45:09,110 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 19:45:09,110 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 19:45:09,110 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-06 19:45:09,129 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,129 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,130 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,130 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,130 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,130 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,130 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,130 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,130 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,130 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,131 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,131 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,131 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,131 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,131 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,131 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,131 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,132 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,132 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,132 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,132 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,132 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,132 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,132 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,132 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,133 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,133 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,133 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,133 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,133 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,133 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,133 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,133 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,134 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,134 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,134 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,136 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,136 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,137 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,137 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,137 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,137 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,137 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,137 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,137 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,140 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-12-06 19:45:09,175 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 19:45:09,180 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, mAutomataTypeConcurrency=PETRI_NET, 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 [2021-12-06 19:45:09,181 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-12-06 19:45:09,190 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 117 places, 129 transitions, 266 flow [2021-12-06 19:45:09,234 INFO L129 PetriNetUnfolder]: 23/174 cut-off events. [2021-12-06 19:45:09,235 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-12-06 19:45:09,238 INFO L84 FinitePrefix]: Finished finitePrefix Result has 180 conditions, 174 events. 23/174 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 387 event pairs, 0 based on Foata normal form. 0/146 useless extension candidates. Maximal degree in co-relation 89. Up to 6 conditions per place. [2021-12-06 19:45:09,238 INFO L82 GeneralOperation]: Start removeDead. Operand has 117 places, 129 transitions, 266 flow [2021-12-06 19:45:09,243 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 113 places, 124 transitions, 253 flow [2021-12-06 19:45:09,260 INFO L129 PetriNetUnfolder]: 8/112 cut-off events. [2021-12-06 19:45:09,260 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-06 19:45:09,260 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 19:45:09,260 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:45:09,261 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-06 19:45:09,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:45:09,265 INFO L85 PathProgramCache]: Analyzing trace with hash -921644928, now seen corresponding path program 1 times [2021-12-06 19:45:09,271 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:45:09,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901090390] [2021-12-06 19:45:09,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:45:09,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:45:09,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:09,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:45:09,478 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:45:09,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901090390] [2021-12-06 19:45:09,479 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901090390] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:45:09,479 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:45:09,480 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 19:45:09,481 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763154318] [2021-12-06 19:45:09,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:45:09,488 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 19:45:09,488 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:45:09,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 19:45:09,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 19:45:09,515 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 129 [2021-12-06 19:45:09,519 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 124 transitions, 253 flow. Second operand has 3 states, 3 states have (on average 109.0) internal successors, (327), 3 states have internal predecessors, (327), 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) [2021-12-06 19:45:09,519 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 19:45:09,519 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 129 [2021-12-06 19:45:09,520 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 19:45:09,559 INFO L129 PetriNetUnfolder]: 3/116 cut-off events. [2021-12-06 19:45:09,560 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-06 19:45:09,560 INFO L84 FinitePrefix]: Finished finitePrefix Result has 132 conditions, 116 events. 3/116 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 141 event pairs, 0 based on Foata normal form. 22/132 useless extension candidates. Maximal degree in co-relation 71. Up to 6 conditions per place. [2021-12-06 19:45:09,562 INFO L132 encePairwiseOnDemand]: 115/129 looper letters, 8 selfloop transitions, 2 changer transitions 19/114 dead transitions. [2021-12-06 19:45:09,562 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 114 transitions, 253 flow [2021-12-06 19:45:09,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 19:45:09,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-06 19:45:09,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 353 transitions. [2021-12-06 19:45:09,580 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9121447028423773 [2021-12-06 19:45:09,580 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 353 transitions. [2021-12-06 19:45:09,580 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 353 transitions. [2021-12-06 19:45:09,582 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 19:45:09,583 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 353 transitions. [2021-12-06 19:45:09,587 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 117.66666666666667) internal successors, (353), 3 states have internal predecessors, (353), 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) [2021-12-06 19:45:09,591 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 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) [2021-12-06 19:45:09,592 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 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) [2021-12-06 19:45:09,593 INFO L186 Difference]: Start difference. First operand has 113 places, 124 transitions, 253 flow. Second operand 3 states and 353 transitions. [2021-12-06 19:45:09,594 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 114 transitions, 253 flow [2021-12-06 19:45:09,596 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 114 transitions, 253 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-06 19:45:09,600 INFO L242 Difference]: Finished difference. Result has 115 places, 93 transitions, 199 flow [2021-12-06 19:45:09,601 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=229, PETRI_DIFFERENCE_MINUEND_PLACES=112, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=199, PETRI_PLACES=115, PETRI_TRANSITIONS=93} [2021-12-06 19:45:09,604 INFO L334 CegarLoopForPetriNet]: 113 programPoint places, 2 predicate places. [2021-12-06 19:45:09,604 INFO L470 AbstractCegarLoop]: Abstraction has has 115 places, 93 transitions, 199 flow [2021-12-06 19:45:09,604 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 109.0) internal successors, (327), 3 states have internal predecessors, (327), 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) [2021-12-06 19:45:09,604 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 19:45:09,604 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:45:09,605 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 19:45:09,605 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-06 19:45:09,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:45:09,605 INFO L85 PathProgramCache]: Analyzing trace with hash 1426448650, now seen corresponding path program 1 times [2021-12-06 19:45:09,605 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:45:09,606 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166089740] [2021-12-06 19:45:09,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:45:09,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:45:09,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:45:09,636 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:45:09,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:45:09,676 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:45:09,676 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-06 19:45:09,677 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 2 remaining) [2021-12-06 19:45:09,678 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2021-12-06 19:45:09,679 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 19:45:09,682 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-12-06 19:45:09,683 WARN L234 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-12-06 19:45:09,683 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-12-06 19:45:09,691 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,691 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,691 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,691 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,691 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,691 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,692 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,692 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,692 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,692 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,692 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,692 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,692 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,692 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,692 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,693 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,693 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,693 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,693 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,693 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,693 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,693 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,693 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,693 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,693 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,693 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,694 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,694 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,694 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,694 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,694 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,694 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,694 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,694 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,694 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,694 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,695 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,695 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,695 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,695 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,695 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,695 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,695 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,695 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,695 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,695 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,695 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,695 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,696 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,696 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,696 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,696 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,696 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,696 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,696 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,696 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,696 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,696 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,697 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,697 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,697 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,697 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,697 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,697 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,697 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,697 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,697 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,697 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,697 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,697 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,698 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,698 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,698 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,698 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,698 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,698 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,698 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,698 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,699 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,699 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,699 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,699 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,699 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,699 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,699 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,699 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,700 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,700 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,700 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,700 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:09,701 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-12-06 19:45:09,704 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 19:45:09,705 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, mAutomataTypeConcurrency=PETRI_NET, 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 [2021-12-06 19:45:09,705 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-12-06 19:45:09,707 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 142 places, 159 transitions, 336 flow [2021-12-06 19:45:09,735 INFO L129 PetriNetUnfolder]: 40/274 cut-off events. [2021-12-06 19:45:09,735 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-12-06 19:45:09,737 INFO L84 FinitePrefix]: Finished finitePrefix Result has 288 conditions, 274 events. 40/274 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 769 event pairs, 0 based on Foata normal form. 0/227 useless extension candidates. Maximal degree in co-relation 176. Up to 9 conditions per place. [2021-12-06 19:45:09,737 INFO L82 GeneralOperation]: Start removeDead. Operand has 142 places, 159 transitions, 336 flow [2021-12-06 19:45:09,739 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 142 places, 159 transitions, 336 flow [2021-12-06 19:45:09,747 INFO L129 PetriNetUnfolder]: 8/108 cut-off events. [2021-12-06 19:45:09,747 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-06 19:45:09,747 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 19:45:09,747 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:45:09,747 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-06 19:45:09,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:45:09,748 INFO L85 PathProgramCache]: Analyzing trace with hash -1275501409, now seen corresponding path program 1 times [2021-12-06 19:45:09,748 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:45:09,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693403144] [2021-12-06 19:45:09,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:45:09,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:45:09,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:09,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:45:09,793 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:45:09,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693403144] [2021-12-06 19:45:09,793 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693403144] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:45:09,793 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:45:09,793 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 19:45:09,794 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244655942] [2021-12-06 19:45:09,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:45:09,794 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 19:45:09,794 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:45:09,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 19:45:09,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 19:45:09,797 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 159 [2021-12-06 19:45:09,797 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 159 transitions, 336 flow. Second operand has 3 states, 3 states have (on average 131.0) internal successors, (393), 3 states have internal predecessors, (393), 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) [2021-12-06 19:45:09,798 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 19:45:09,798 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 159 [2021-12-06 19:45:09,798 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 19:45:09,861 INFO L129 PetriNetUnfolder]: 8/217 cut-off events. [2021-12-06 19:45:09,861 INFO L130 PetriNetUnfolder]: For 26/67 co-relation queries the response was YES. [2021-12-06 19:45:09,862 INFO L84 FinitePrefix]: Finished finitePrefix Result has 252 conditions, 217 events. 8/217 cut-off events. For 26/67 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 533 event pairs, 0 based on Foata normal form. 78/281 useless extension candidates. Maximal degree in co-relation 143. Up to 16 conditions per place. [2021-12-06 19:45:09,863 INFO L132 encePairwiseOnDemand]: 139/159 looper letters, 11 selfloop transitions, 2 changer transitions 25/145 dead transitions. [2021-12-06 19:45:09,863 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 145 transitions, 338 flow [2021-12-06 19:45:09,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 19:45:09,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-06 19:45:09,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 430 transitions. [2021-12-06 19:45:09,866 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9014675052410901 [2021-12-06 19:45:09,866 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 430 transitions. [2021-12-06 19:45:09,867 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 430 transitions. [2021-12-06 19:45:09,867 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 19:45:09,867 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 430 transitions. [2021-12-06 19:45:09,869 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 143.33333333333334) internal successors, (430), 3 states have internal predecessors, (430), 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) [2021-12-06 19:45:09,871 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 159.0) internal successors, (636), 4 states have internal predecessors, (636), 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) [2021-12-06 19:45:09,871 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 159.0) internal successors, (636), 4 states have internal predecessors, (636), 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) [2021-12-06 19:45:09,871 INFO L186 Difference]: Start difference. First operand has 142 places, 159 transitions, 336 flow. Second operand 3 states and 430 transitions. [2021-12-06 19:45:09,871 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 145 transitions, 338 flow [2021-12-06 19:45:09,873 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 145 transitions, 338 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-06 19:45:09,875 INFO L242 Difference]: Finished difference. Result has 144 places, 117 transitions, 256 flow [2021-12-06 19:45:09,876 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=300, PETRI_DIFFERENCE_MINUEND_PLACES=141, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=141, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=139, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=256, PETRI_PLACES=144, PETRI_TRANSITIONS=117} [2021-12-06 19:45:09,876 INFO L334 CegarLoopForPetriNet]: 142 programPoint places, 2 predicate places. [2021-12-06 19:45:09,876 INFO L470 AbstractCegarLoop]: Abstraction has has 144 places, 117 transitions, 256 flow [2021-12-06 19:45:09,877 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 131.0) internal successors, (393), 3 states have internal predecessors, (393), 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) [2021-12-06 19:45:09,877 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 19:45:09,877 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:45:09,877 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 19:45:09,877 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-06 19:45:09,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:45:09,878 INFO L85 PathProgramCache]: Analyzing trace with hash 1056172317, now seen corresponding path program 1 times [2021-12-06 19:45:09,878 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:45:09,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772545028] [2021-12-06 19:45:09,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:45:09,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:45:09,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:09,940 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:45:09,940 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:45:09,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772545028] [2021-12-06 19:45:09,941 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772545028] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 19:45:09,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [768108777] [2021-12-06 19:45:09,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:45:09,941 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:45:09,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7075aec7-2125-4f87-8a61-a9e3bbbd832e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:45:09,942 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7075aec7-2125-4f87-8a61-a9e3bbbd832e/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 19:45:09,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7075aec7-2125-4f87-8a61-a9e3bbbd832e/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-06 19:45:10,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:10,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 19:45:10,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:45:10,135 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:45:10,135 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 19:45:10,219 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:45:10,220 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [768108777] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 19:45:10,220 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 19:45:10,220 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2021-12-06 19:45:10,220 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698400620] [2021-12-06 19:45:10,220 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 19:45:10,221 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-06 19:45:10,221 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:45:10,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-06 19:45:10,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-12-06 19:45:10,223 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 159 [2021-12-06 19:45:10,225 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 117 transitions, 256 flow. Second operand has 10 states, 10 states have (on average 131.3) internal successors, (1313), 10 states have internal predecessors, (1313), 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) [2021-12-06 19:45:10,225 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 19:45:10,225 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 159 [2021-12-06 19:45:10,225 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 19:45:10,286 INFO L129 PetriNetUnfolder]: 0/113 cut-off events. [2021-12-06 19:45:10,286 INFO L130 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2021-12-06 19:45:10,286 INFO L84 FinitePrefix]: Finished finitePrefix Result has 146 conditions, 113 events. 0/113 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 83 event pairs, 0 based on Foata normal form. 2/115 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2021-12-06 19:45:10,287 INFO L132 encePairwiseOnDemand]: 154/159 looper letters, 9 selfloop transitions, 7 changer transitions 0/107 dead transitions. [2021-12-06 19:45:10,287 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 107 transitions, 266 flow [2021-12-06 19:45:10,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 19:45:10,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-06 19:45:10,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1179 transitions. [2021-12-06 19:45:10,290 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8238993710691824 [2021-12-06 19:45:10,290 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1179 transitions. [2021-12-06 19:45:10,290 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1179 transitions. [2021-12-06 19:45:10,291 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 19:45:10,291 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1179 transitions. [2021-12-06 19:45:10,294 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 131.0) internal successors, (1179), 9 states have internal predecessors, (1179), 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) [2021-12-06 19:45:10,298 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 159.0) internal successors, (1590), 10 states have internal predecessors, (1590), 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) [2021-12-06 19:45:10,299 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 159.0) internal successors, (1590), 10 states have internal predecessors, (1590), 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) [2021-12-06 19:45:10,299 INFO L186 Difference]: Start difference. First operand has 144 places, 117 transitions, 256 flow. Second operand 9 states and 1179 transitions. [2021-12-06 19:45:10,299 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 107 transitions, 266 flow [2021-12-06 19:45:10,300 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 107 transitions, 262 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-12-06 19:45:10,302 INFO L242 Difference]: Finished difference. Result has 115 places, 103 transitions, 236 flow [2021-12-06 19:45:10,302 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=218, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=96, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=236, PETRI_PLACES=115, PETRI_TRANSITIONS=103} [2021-12-06 19:45:10,303 INFO L334 CegarLoopForPetriNet]: 142 programPoint places, -27 predicate places. [2021-12-06 19:45:10,303 INFO L470 AbstractCegarLoop]: Abstraction has has 115 places, 103 transitions, 236 flow [2021-12-06 19:45:10,304 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 131.3) internal successors, (1313), 10 states have internal predecessors, (1313), 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) [2021-12-06 19:45:10,304 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 19:45:10,305 INFO L254 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:45:10,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7075aec7-2125-4f87-8a61-a9e3bbbd832e/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-06 19:45:10,505 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7075aec7-2125-4f87-8a61-a9e3bbbd832e/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2021-12-06 19:45:10,505 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-06 19:45:10,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:45:10,506 INFO L85 PathProgramCache]: Analyzing trace with hash -1133667776, now seen corresponding path program 1 times [2021-12-06 19:45:10,506 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:45:10,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548815725] [2021-12-06 19:45:10,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:45:10,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:45:10,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:45:10,525 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:45:10,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:45:10,545 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:45:10,545 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-06 19:45:10,546 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 2 remaining) [2021-12-06 19:45:10,546 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2021-12-06 19:45:10,546 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-06 19:45:10,546 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2021-12-06 19:45:10,546 WARN L234 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2021-12-06 19:45:10,546 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2021-12-06 19:45:10,553 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,554 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,554 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,554 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,554 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,554 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,554 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,554 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,554 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,554 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,555 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,555 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,555 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,555 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,555 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,555 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,555 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,555 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,555 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,555 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,556 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,556 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,556 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,556 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,556 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,556 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,556 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,556 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,556 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,556 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,556 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,556 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,557 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,557 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,557 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,557 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,557 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,557 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,557 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,557 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,557 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,558 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,558 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,558 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,558 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,558 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,558 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,558 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,558 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,558 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,558 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,559 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,559 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,559 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,559 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,559 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,559 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,559 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,559 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,559 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,560 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,560 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,560 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,560 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,560 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,560 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,560 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,560 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,560 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,560 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,560 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,561 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,561 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,561 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,561 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,561 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,561 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,561 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,561 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,561 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,561 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,561 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,562 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,562 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,562 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,562 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,562 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,562 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,562 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,562 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,562 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,562 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,563 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,563 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,563 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,563 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,563 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,563 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,563 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,563 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,563 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,563 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,563 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,564 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,564 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,564 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,564 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,564 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,564 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,564 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,564 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,565 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,565 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,565 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,565 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,565 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,565 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,565 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,565 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,566 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,566 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,566 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,566 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,566 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,566 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,566 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,566 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,566 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,567 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,567 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,567 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,567 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,567 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,567 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,567 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:10,568 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-12-06 19:45:10,569 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 19:45:10,570 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, mAutomataTypeConcurrency=PETRI_NET, 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 [2021-12-06 19:45:10,570 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-12-06 19:45:10,572 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 167 places, 189 transitions, 408 flow [2021-12-06 19:45:10,606 INFO L129 PetriNetUnfolder]: 62/407 cut-off events. [2021-12-06 19:45:10,606 INFO L130 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2021-12-06 19:45:10,609 INFO L84 FinitePrefix]: Finished finitePrefix Result has 435 conditions, 407 events. 62/407 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1339 event pairs, 1 based on Foata normal form. 0/337 useless extension candidates. Maximal degree in co-relation 282. Up to 16 conditions per place. [2021-12-06 19:45:10,609 INFO L82 GeneralOperation]: Start removeDead. Operand has 167 places, 189 transitions, 408 flow [2021-12-06 19:45:10,612 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 167 places, 189 transitions, 408 flow [2021-12-06 19:45:10,619 INFO L129 PetriNetUnfolder]: 8/111 cut-off events. [2021-12-06 19:45:10,619 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-06 19:45:10,619 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 19:45:10,619 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:45:10,619 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-06 19:45:10,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:45:10,620 INFO L85 PathProgramCache]: Analyzing trace with hash 1028393307, now seen corresponding path program 1 times [2021-12-06 19:45:10,620 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:45:10,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838628431] [2021-12-06 19:45:10,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:45:10,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:45:10,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:10,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:45:10,643 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:45:10,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838628431] [2021-12-06 19:45:10,643 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [838628431] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:45:10,643 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:45:10,643 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 19:45:10,643 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975200960] [2021-12-06 19:45:10,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:45:10,644 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-06 19:45:10,644 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:45:10,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-06 19:45:10,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 19:45:10,645 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 189 [2021-12-06 19:45:10,645 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 189 transitions, 408 flow. Second operand has 2 states, 2 states have (on average 159.5) internal successors, (319), 2 states have internal predecessors, (319), 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) [2021-12-06 19:45:10,645 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 19:45:10,645 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 189 [2021-12-06 19:45:10,645 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 19:45:10,693 INFO L129 PetriNetUnfolder]: 20/361 cut-off events. [2021-12-06 19:45:10,693 INFO L130 PetriNetUnfolder]: For 53/63 co-relation queries the response was YES. [2021-12-06 19:45:10,694 INFO L84 FinitePrefix]: Finished finitePrefix Result has 405 conditions, 361 events. 20/361 cut-off events. For 53/63 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1213 event pairs, 1 based on Foata normal form. 106/439 useless extension candidates. Maximal degree in co-relation 257. Up to 16 conditions per place. [2021-12-06 19:45:10,695 INFO L132 encePairwiseOnDemand]: 166/189 looper letters, 3 selfloop transitions, 0 changer transitions 26/165 dead transitions. [2021-12-06 19:45:10,695 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 167 places, 165 transitions, 372 flow [2021-12-06 19:45:10,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-06 19:45:10,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-12-06 19:45:10,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 347 transitions. [2021-12-06 19:45:10,697 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.917989417989418 [2021-12-06 19:45:10,697 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 347 transitions. [2021-12-06 19:45:10,697 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 347 transitions. [2021-12-06 19:45:10,697 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 19:45:10,697 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 347 transitions. [2021-12-06 19:45:10,698 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 173.5) internal successors, (347), 2 states have internal predecessors, (347), 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) [2021-12-06 19:45:10,699 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 189.0) internal successors, (567), 3 states have internal predecessors, (567), 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) [2021-12-06 19:45:10,700 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 189.0) internal successors, (567), 3 states have internal predecessors, (567), 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) [2021-12-06 19:45:10,700 INFO L186 Difference]: Start difference. First operand has 167 places, 189 transitions, 408 flow. Second operand 2 states and 347 transitions. [2021-12-06 19:45:10,700 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 167 places, 165 transitions, 372 flow [2021-12-06 19:45:10,701 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 165 transitions, 372 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-06 19:45:10,703 INFO L242 Difference]: Finished difference. Result has 167 places, 139 transitions, 299 flow [2021-12-06 19:45:10,704 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=360, PETRI_DIFFERENCE_MINUEND_PLACES=166, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=165, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=165, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=299, PETRI_PLACES=167, PETRI_TRANSITIONS=139} [2021-12-06 19:45:10,704 INFO L334 CegarLoopForPetriNet]: 167 programPoint places, 0 predicate places. [2021-12-06 19:45:10,704 INFO L470 AbstractCegarLoop]: Abstraction has has 167 places, 139 transitions, 299 flow [2021-12-06 19:45:10,705 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 159.5) internal successors, (319), 2 states have internal predecessors, (319), 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) [2021-12-06 19:45:10,705 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 19:45:10,705 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:45:10,705 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-06 19:45:10,705 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-06 19:45:10,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:45:10,705 INFO L85 PathProgramCache]: Analyzing trace with hash 734990300, now seen corresponding path program 1 times [2021-12-06 19:45:10,705 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:45:10,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458438738] [2021-12-06 19:45:10,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:45:10,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:45:10,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:10,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:45:10,731 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:45:10,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458438738] [2021-12-06 19:45:10,731 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1458438738] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:45:10,731 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:45:10,732 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 19:45:10,732 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952958788] [2021-12-06 19:45:10,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:45:10,732 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 19:45:10,732 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:45:10,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 19:45:10,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 19:45:10,733 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 189 [2021-12-06 19:45:10,734 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 139 transitions, 299 flow. Second operand has 3 states, 3 states have (on average 153.0) internal successors, (459), 3 states have internal predecessors, (459), 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) [2021-12-06 19:45:10,734 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 19:45:10,734 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 189 [2021-12-06 19:45:10,734 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 19:45:10,764 INFO L129 PetriNetUnfolder]: 3/193 cut-off events. [2021-12-06 19:45:10,764 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-12-06 19:45:10,765 INFO L84 FinitePrefix]: Finished finitePrefix Result has 233 conditions, 193 events. 3/193 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 401 event pairs, 0 based on Foata normal form. 0/187 useless extension candidates. Maximal degree in co-relation 227. Up to 18 conditions per place. [2021-12-06 19:45:10,766 INFO L132 encePairwiseOnDemand]: 186/189 looper letters, 12 selfloop transitions, 2 changer transitions 0/143 dead transitions. [2021-12-06 19:45:10,766 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 143 transitions, 335 flow [2021-12-06 19:45:10,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 19:45:10,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-06 19:45:10,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 471 transitions. [2021-12-06 19:45:10,767 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8306878306878307 [2021-12-06 19:45:10,767 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 471 transitions. [2021-12-06 19:45:10,768 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 471 transitions. [2021-12-06 19:45:10,768 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 19:45:10,768 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 471 transitions. [2021-12-06 19:45:10,769 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 157.0) internal successors, (471), 3 states have internal predecessors, (471), 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) [2021-12-06 19:45:10,770 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 189.0) internal successors, (756), 4 states have internal predecessors, (756), 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) [2021-12-06 19:45:10,771 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 189.0) internal successors, (756), 4 states have internal predecessors, (756), 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) [2021-12-06 19:45:10,771 INFO L186 Difference]: Start difference. First operand has 167 places, 139 transitions, 299 flow. Second operand 3 states and 471 transitions. [2021-12-06 19:45:10,771 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 148 places, 143 transitions, 335 flow [2021-12-06 19:45:10,772 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 143 transitions, 329 flow, removed 3 selfloop flow, removed 0 redundant places. [2021-12-06 19:45:10,774 INFO L242 Difference]: Finished difference. Result has 149 places, 140 transitions, 305 flow [2021-12-06 19:45:10,774 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=293, PETRI_DIFFERENCE_MINUEND_PLACES=146, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=139, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=305, PETRI_PLACES=149, PETRI_TRANSITIONS=140} [2021-12-06 19:45:10,775 INFO L334 CegarLoopForPetriNet]: 167 programPoint places, -18 predicate places. [2021-12-06 19:45:10,775 INFO L470 AbstractCegarLoop]: Abstraction has has 149 places, 140 transitions, 305 flow [2021-12-06 19:45:10,775 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 153.0) internal successors, (459), 3 states have internal predecessors, (459), 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) [2021-12-06 19:45:10,775 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 19:45:10,775 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:45:10,775 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-06 19:45:10,775 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-06 19:45:10,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:45:10,776 INFO L85 PathProgramCache]: Analyzing trace with hash 1246462806, now seen corresponding path program 1 times [2021-12-06 19:45:10,776 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:45:10,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657068132] [2021-12-06 19:45:10,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:45:10,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:45:10,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:10,813 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:45:10,814 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:45:10,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657068132] [2021-12-06 19:45:10,814 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657068132] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 19:45:10,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [998764125] [2021-12-06 19:45:10,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:45:10,815 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:45:10,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7075aec7-2125-4f87-8a61-a9e3bbbd832e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:45:10,815 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7075aec7-2125-4f87-8a61-a9e3bbbd832e/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 19:45:10,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7075aec7-2125-4f87-8a61-a9e3bbbd832e/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-06 19:45:10,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:10,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 19:45:10,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:45:10,949 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:45:10,949 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 19:45:11,023 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:45:11,024 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [998764125] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 19:45:11,024 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 19:45:11,024 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2021-12-06 19:45:11,024 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048490113] [2021-12-06 19:45:11,024 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 19:45:11,024 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-06 19:45:11,025 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:45:11,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-06 19:45:11,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-12-06 19:45:11,027 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 151 out of 189 [2021-12-06 19:45:11,028 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 140 transitions, 305 flow. Second operand has 10 states, 10 states have (on average 153.3) internal successors, (1533), 10 states have internal predecessors, (1533), 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) [2021-12-06 19:45:11,028 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 19:45:11,028 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 151 of 189 [2021-12-06 19:45:11,028 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 19:45:11,091 INFO L129 PetriNetUnfolder]: 1/161 cut-off events. [2021-12-06 19:45:11,092 INFO L130 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2021-12-06 19:45:11,092 INFO L84 FinitePrefix]: Finished finitePrefix Result has 207 conditions, 161 events. 1/161 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 220 event pairs, 0 based on Foata normal form. 2/162 useless extension candidates. Maximal degree in co-relation 199. Up to 7 conditions per place. [2021-12-06 19:45:11,093 INFO L132 encePairwiseOnDemand]: 183/189 looper letters, 13 selfloop transitions, 9 changer transitions 0/150 dead transitions. [2021-12-06 19:45:11,093 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 150 transitions, 371 flow [2021-12-06 19:45:11,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 19:45:11,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-06 19:45:11,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1383 transitions. [2021-12-06 19:45:11,099 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8130511463844797 [2021-12-06 19:45:11,099 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1383 transitions. [2021-12-06 19:45:11,099 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1383 transitions. [2021-12-06 19:45:11,100 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 19:45:11,100 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1383 transitions. [2021-12-06 19:45:11,104 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 153.66666666666666) internal successors, (1383), 9 states have internal predecessors, (1383), 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) [2021-12-06 19:45:11,109 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 189.0) internal successors, (1890), 10 states have internal predecessors, (1890), 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) [2021-12-06 19:45:11,109 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 189.0) internal successors, (1890), 10 states have internal predecessors, (1890), 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) [2021-12-06 19:45:11,110 INFO L186 Difference]: Start difference. First operand has 149 places, 140 transitions, 305 flow. Second operand 9 states and 1383 transitions. [2021-12-06 19:45:11,110 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 150 transitions, 371 flow [2021-12-06 19:45:11,111 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 156 places, 150 transitions, 369 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-12-06 19:45:11,114 INFO L242 Difference]: Finished difference. Result has 159 places, 146 transitions, 353 flow [2021-12-06 19:45:11,114 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=303, PETRI_DIFFERENCE_MINUEND_PLACES=148, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=134, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=353, PETRI_PLACES=159, PETRI_TRANSITIONS=146} [2021-12-06 19:45:11,115 INFO L334 CegarLoopForPetriNet]: 167 programPoint places, -8 predicate places. [2021-12-06 19:45:11,115 INFO L470 AbstractCegarLoop]: Abstraction has has 159 places, 146 transitions, 353 flow [2021-12-06 19:45:11,116 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 153.3) internal successors, (1533), 10 states have internal predecessors, (1533), 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) [2021-12-06 19:45:11,116 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 19:45:11,117 INFO L254 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:45:11,137 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7075aec7-2125-4f87-8a61-a9e3bbbd832e/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-06 19:45:11,317 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7075aec7-2125-4f87-8a61-a9e3bbbd832e/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:45:11,318 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-06 19:45:11,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:45:11,318 INFO L85 PathProgramCache]: Analyzing trace with hash 94495693, now seen corresponding path program 1 times [2021-12-06 19:45:11,319 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:45:11,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044845505] [2021-12-06 19:45:11,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:45:11,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:45:11,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:45:11,360 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:45:11,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:45:11,411 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:45:11,412 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-06 19:45:11,412 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 2 remaining) [2021-12-06 19:45:11,413 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2021-12-06 19:45:11,413 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-06 19:45:11,414 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-12-06 19:45:11,414 WARN L234 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2021-12-06 19:45:11,414 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2021-12-06 19:45:11,433 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,434 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,434 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,434 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,435 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,435 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,435 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,435 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,436 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,436 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,436 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,436 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,437 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,437 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,437 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,437 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,438 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,438 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,438 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,438 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,438 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,439 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,439 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,439 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,439 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,439 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,440 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,440 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,440 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,440 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,440 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,441 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,441 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,441 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,441 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,442 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,442 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,442 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,443 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,443 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,443 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,443 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,443 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,443 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,443 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,444 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,444 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,444 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,444 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,444 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,445 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,445 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,445 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,445 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,445 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,445 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,446 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,446 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,446 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,446 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,446 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,446 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,447 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,447 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,447 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,447 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,447 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,447 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,448 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,448 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,448 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,448 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,448 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,448 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,448 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,449 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,449 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,449 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,449 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,449 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,449 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,449 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,449 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,449 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,450 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,450 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,450 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,450 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,450 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,450 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,450 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,450 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,451 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,451 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,451 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,451 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,451 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,451 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,451 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,451 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,451 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,452 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,452 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,452 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,452 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,452 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,452 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,452 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,452 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,452 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,453 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,453 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,453 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,453 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,453 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,453 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,453 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,453 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,453 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,453 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,453 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,453 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,454 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,454 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,454 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,454 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,454 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,454 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,454 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,454 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,454 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,454 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,454 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,455 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,455 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,455 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,455 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,455 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,455 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,455 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,455 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,455 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,456 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,456 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,456 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,456 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,456 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,456 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,456 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,456 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,457 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,457 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,457 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,457 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,457 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,457 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,457 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,457 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,458 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,458 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,458 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,458 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,458 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,458 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,458 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,458 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,458 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,459 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,459 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,459 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,459 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,459 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,459 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,459 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,459 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,459 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,460 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,460 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,460 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,460 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:11,461 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-12-06 19:45:11,462 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 19:45:11,463 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, mAutomataTypeConcurrency=PETRI_NET, 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 [2021-12-06 19:45:11,463 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-12-06 19:45:11,465 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 192 places, 219 transitions, 482 flow [2021-12-06 19:45:11,528 INFO L129 PetriNetUnfolder]: 96/608 cut-off events. [2021-12-06 19:45:11,528 INFO L130 PetriNetUnfolder]: For 48/48 co-relation queries the response was YES. [2021-12-06 19:45:11,532 INFO L84 FinitePrefix]: Finished finitePrefix Result has 663 conditions, 608 events. 96/608 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2277 event pairs, 6 based on Foata normal form. 0/507 useless extension candidates. Maximal degree in co-relation 427. Up to 32 conditions per place. [2021-12-06 19:45:11,532 INFO L82 GeneralOperation]: Start removeDead. Operand has 192 places, 219 transitions, 482 flow [2021-12-06 19:45:11,538 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 192 places, 219 transitions, 482 flow [2021-12-06 19:45:11,543 INFO L129 PetriNetUnfolder]: 8/107 cut-off events. [2021-12-06 19:45:11,543 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-06 19:45:11,543 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 19:45:11,543 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:45:11,544 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-06 19:45:11,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:45:11,544 INFO L85 PathProgramCache]: Analyzing trace with hash 1108265910, now seen corresponding path program 1 times [2021-12-06 19:45:11,544 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:45:11,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270240415] [2021-12-06 19:45:11,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:45:11,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:45:11,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:11,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:45:11,566 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:45:11,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270240415] [2021-12-06 19:45:11,566 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270240415] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:45:11,566 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:45:11,567 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 19:45:11,567 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618587093] [2021-12-06 19:45:11,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:45:11,567 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-06 19:45:11,567 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:45:11,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-06 19:45:11,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 19:45:11,569 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 219 [2021-12-06 19:45:11,569 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 192 places, 219 transitions, 482 flow. Second operand has 2 states, 2 states have (on average 181.5) internal successors, (363), 2 states have internal predecessors, (363), 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) [2021-12-06 19:45:11,569 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 19:45:11,569 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 219 [2021-12-06 19:45:11,569 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 19:45:11,656 INFO L129 PetriNetUnfolder]: 36/543 cut-off events. [2021-12-06 19:45:11,656 INFO L130 PetriNetUnfolder]: For 127/147 co-relation queries the response was YES. [2021-12-06 19:45:11,659 INFO L84 FinitePrefix]: Finished finitePrefix Result has 635 conditions, 543 events. 36/543 cut-off events. For 127/147 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 2164 event pairs, 6 based on Foata normal form. 252/754 useless extension candidates. Maximal degree in co-relation 396. Up to 37 conditions per place. [2021-12-06 19:45:11,660 INFO L132 encePairwiseOnDemand]: 190/219 looper letters, 4 selfloop transitions, 0 changer transitions 27/189 dead transitions. [2021-12-06 19:45:11,660 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 189 transitions, 438 flow [2021-12-06 19:45:11,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-06 19:45:11,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-12-06 19:45:11,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 399 transitions. [2021-12-06 19:45:11,662 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.910958904109589 [2021-12-06 19:45:11,662 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 399 transitions. [2021-12-06 19:45:11,662 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 399 transitions. [2021-12-06 19:45:11,662 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 19:45:11,662 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 399 transitions. [2021-12-06 19:45:11,663 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 199.5) internal successors, (399), 2 states have internal predecessors, (399), 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) [2021-12-06 19:45:11,665 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 219.0) internal successors, (657), 3 states have internal predecessors, (657), 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) [2021-12-06 19:45:11,665 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 219.0) internal successors, (657), 3 states have internal predecessors, (657), 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) [2021-12-06 19:45:11,665 INFO L186 Difference]: Start difference. First operand has 192 places, 219 transitions, 482 flow. Second operand 2 states and 399 transitions. [2021-12-06 19:45:11,665 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 189 transitions, 438 flow [2021-12-06 19:45:11,667 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 192 places, 189 transitions, 438 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-06 19:45:11,670 INFO L242 Difference]: Finished difference. Result has 192 places, 162 transitions, 356 flow [2021-12-06 19:45:11,671 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=219, PETRI_DIFFERENCE_MINUEND_FLOW=422, PETRI_DIFFERENCE_MINUEND_PLACES=191, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=189, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=189, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=356, PETRI_PLACES=192, PETRI_TRANSITIONS=162} [2021-12-06 19:45:11,671 INFO L334 CegarLoopForPetriNet]: 192 programPoint places, 0 predicate places. [2021-12-06 19:45:11,672 INFO L470 AbstractCegarLoop]: Abstraction has has 192 places, 162 transitions, 356 flow [2021-12-06 19:45:11,672 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 181.5) internal successors, (363), 2 states have internal predecessors, (363), 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) [2021-12-06 19:45:11,672 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 19:45:11,672 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:45:11,672 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-06 19:45:11,672 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-06 19:45:11,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:45:11,673 INFO L85 PathProgramCache]: Analyzing trace with hash 814862903, now seen corresponding path program 1 times [2021-12-06 19:45:11,673 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:45:11,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282292860] [2021-12-06 19:45:11,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:45:11,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:45:11,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:11,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:45:11,705 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:45:11,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282292860] [2021-12-06 19:45:11,706 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282292860] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:45:11,706 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:45:11,706 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 19:45:11,706 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688895900] [2021-12-06 19:45:11,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:45:11,706 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 19:45:11,707 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:45:11,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 19:45:11,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 19:45:11,708 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 219 [2021-12-06 19:45:11,709 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 192 places, 162 transitions, 356 flow. Second operand has 3 states, 3 states have (on average 175.0) internal successors, (525), 3 states have internal predecessors, (525), 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) [2021-12-06 19:45:11,709 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 19:45:11,709 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 219 [2021-12-06 19:45:11,709 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 19:45:11,751 INFO L129 PetriNetUnfolder]: 4/241 cut-off events. [2021-12-06 19:45:11,752 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-12-06 19:45:11,753 INFO L84 FinitePrefix]: Finished finitePrefix Result has 294 conditions, 241 events. 4/241 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 575 event pairs, 0 based on Foata normal form. 0/233 useless extension candidates. Maximal degree in co-relation 287. Up to 24 conditions per place. [2021-12-06 19:45:11,754 INFO L132 encePairwiseOnDemand]: 216/219 looper letters, 13 selfloop transitions, 2 changer transitions 0/166 dead transitions. [2021-12-06 19:45:11,754 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 166 transitions, 394 flow [2021-12-06 19:45:11,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 19:45:11,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-06 19:45:11,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 538 transitions. [2021-12-06 19:45:11,756 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8188736681887366 [2021-12-06 19:45:11,756 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 538 transitions. [2021-12-06 19:45:11,756 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 538 transitions. [2021-12-06 19:45:11,756 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 19:45:11,756 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 538 transitions. [2021-12-06 19:45:11,757 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 179.33333333333334) internal successors, (538), 3 states have internal predecessors, (538), 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) [2021-12-06 19:45:11,759 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 219.0) internal successors, (876), 4 states have internal predecessors, (876), 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) [2021-12-06 19:45:11,759 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 219.0) internal successors, (876), 4 states have internal predecessors, (876), 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) [2021-12-06 19:45:11,759 INFO L186 Difference]: Start difference. First operand has 192 places, 162 transitions, 356 flow. Second operand 3 states and 538 transitions. [2021-12-06 19:45:11,759 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 166 transitions, 394 flow [2021-12-06 19:45:11,761 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 173 places, 166 transitions, 382 flow, removed 6 selfloop flow, removed 0 redundant places. [2021-12-06 19:45:11,763 INFO L242 Difference]: Finished difference. Result has 174 places, 163 transitions, 356 flow [2021-12-06 19:45:11,763 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=219, PETRI_DIFFERENCE_MINUEND_FLOW=344, PETRI_DIFFERENCE_MINUEND_PLACES=171, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=162, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=160, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=356, PETRI_PLACES=174, PETRI_TRANSITIONS=163} [2021-12-06 19:45:11,764 INFO L334 CegarLoopForPetriNet]: 192 programPoint places, -18 predicate places. [2021-12-06 19:45:11,764 INFO L470 AbstractCegarLoop]: Abstraction has has 174 places, 163 transitions, 356 flow [2021-12-06 19:45:11,764 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 175.0) internal successors, (525), 3 states have internal predecessors, (525), 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) [2021-12-06 19:45:11,764 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 19:45:11,764 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:45:11,764 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-06 19:45:11,764 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-06 19:45:11,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:45:11,765 INFO L85 PathProgramCache]: Analyzing trace with hash -233760275, now seen corresponding path program 1 times [2021-12-06 19:45:11,765 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:45:11,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443462623] [2021-12-06 19:45:11,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:45:11,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:45:11,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:11,795 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:45:11,795 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:45:11,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443462623] [2021-12-06 19:45:11,795 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443462623] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 19:45:11,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1410574993] [2021-12-06 19:45:11,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:45:11,795 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:45:11,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7075aec7-2125-4f87-8a61-a9e3bbbd832e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:45:11,796 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7075aec7-2125-4f87-8a61-a9e3bbbd832e/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 19:45:11,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7075aec7-2125-4f87-8a61-a9e3bbbd832e/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-06 19:45:11,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:11,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 19:45:11,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:45:11,916 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:45:11,916 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 19:45:11,972 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:45:11,972 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1410574993] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 19:45:11,972 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 19:45:11,972 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2021-12-06 19:45:11,973 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785413532] [2021-12-06 19:45:11,973 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 19:45:11,973 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-06 19:45:11,973 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:45:11,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-06 19:45:11,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-12-06 19:45:11,975 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 219 [2021-12-06 19:45:11,977 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 174 places, 163 transitions, 356 flow. Second operand has 10 states, 10 states have (on average 175.3) internal successors, (1753), 10 states have internal predecessors, (1753), 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) [2021-12-06 19:45:11,977 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 19:45:11,977 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 219 [2021-12-06 19:45:11,978 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 19:45:12,044 INFO L129 PetriNetUnfolder]: 2/209 cut-off events. [2021-12-06 19:45:12,044 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-12-06 19:45:12,045 INFO L84 FinitePrefix]: Finished finitePrefix Result has 268 conditions, 209 events. 2/209 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 393 event pairs, 0 based on Foata normal form. 2/209 useless extension candidates. Maximal degree in co-relation 259. Up to 11 conditions per place. [2021-12-06 19:45:12,046 INFO L132 encePairwiseOnDemand]: 213/219 looper letters, 14 selfloop transitions, 9 changer transitions 0/173 dead transitions. [2021-12-06 19:45:12,046 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 182 places, 173 transitions, 424 flow [2021-12-06 19:45:12,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 19:45:12,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-06 19:45:12,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1582 transitions. [2021-12-06 19:45:12,051 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8026382546930492 [2021-12-06 19:45:12,052 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1582 transitions. [2021-12-06 19:45:12,052 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1582 transitions. [2021-12-06 19:45:12,053 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 19:45:12,053 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1582 transitions. [2021-12-06 19:45:12,057 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 175.77777777777777) internal successors, (1582), 9 states have internal predecessors, (1582), 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) [2021-12-06 19:45:12,062 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 219.0) internal successors, (2190), 10 states have internal predecessors, (2190), 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) [2021-12-06 19:45:12,063 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 219.0) internal successors, (2190), 10 states have internal predecessors, (2190), 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) [2021-12-06 19:45:12,063 INFO L186 Difference]: Start difference. First operand has 174 places, 163 transitions, 356 flow. Second operand 9 states and 1582 transitions. [2021-12-06 19:45:12,063 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 182 places, 173 transitions, 424 flow [2021-12-06 19:45:12,065 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 181 places, 173 transitions, 422 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-12-06 19:45:12,074 INFO L242 Difference]: Finished difference. Result has 184 places, 169 transitions, 404 flow [2021-12-06 19:45:12,074 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=219, PETRI_DIFFERENCE_MINUEND_FLOW=354, PETRI_DIFFERENCE_MINUEND_PLACES=173, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=157, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=404, PETRI_PLACES=184, PETRI_TRANSITIONS=169} [2021-12-06 19:45:12,075 INFO L334 CegarLoopForPetriNet]: 192 programPoint places, -8 predicate places. [2021-12-06 19:45:12,075 INFO L470 AbstractCegarLoop]: Abstraction has has 184 places, 169 transitions, 404 flow [2021-12-06 19:45:12,076 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 175.3) internal successors, (1753), 10 states have internal predecessors, (1753), 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) [2021-12-06 19:45:12,076 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 19:45:12,076 INFO L254 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:45:12,097 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7075aec7-2125-4f87-8a61-a9e3bbbd832e/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-12-06 19:45:12,277 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7075aec7-2125-4f87-8a61-a9e3bbbd832e/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:45:12,278 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-06 19:45:12,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:45:12,279 INFO L85 PathProgramCache]: Analyzing trace with hash -1703694628, now seen corresponding path program 1 times [2021-12-06 19:45:12,280 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:45:12,280 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068566355] [2021-12-06 19:45:12,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:45:12,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:45:12,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:12,450 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-06 19:45:12,451 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:45:12,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068566355] [2021-12-06 19:45:12,451 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068566355] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:45:12,451 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:45:12,451 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 19:45:12,451 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270149566] [2021-12-06 19:45:12,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:45:12,452 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 19:45:12,452 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:45:12,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 19:45:12,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 19:45:12,453 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 219 [2021-12-06 19:45:12,454 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 184 places, 169 transitions, 404 flow. Second operand has 5 states, 5 states have (on average 160.6) internal successors, (803), 5 states have internal predecessors, (803), 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) [2021-12-06 19:45:12,454 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 19:45:12,455 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 219 [2021-12-06 19:45:12,455 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 19:45:17,089 INFO L129 PetriNetUnfolder]: 16744/41746 cut-off events. [2021-12-06 19:45:17,089 INFO L130 PetriNetUnfolder]: For 475/475 co-relation queries the response was YES. [2021-12-06 19:45:17,284 INFO L84 FinitePrefix]: Finished finitePrefix Result has 64937 conditions, 41746 events. 16744/41746 cut-off events. For 475/475 co-relation queries the response was YES. Maximal size of possible extension queue 1798. Compared 505909 event pairs, 9176 based on Foata normal form. 750/41816 useless extension candidates. Maximal degree in co-relation 64926. Up to 14189 conditions per place. [2021-12-06 19:45:17,413 INFO L132 encePairwiseOnDemand]: 211/219 looper letters, 31 selfloop transitions, 5 changer transitions 53/233 dead transitions. [2021-12-06 19:45:17,413 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 233 transitions, 725 flow [2021-12-06 19:45:17,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 19:45:17,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-12-06 19:45:17,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1204 transitions. [2021-12-06 19:45:17,416 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7853881278538812 [2021-12-06 19:45:17,416 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1204 transitions. [2021-12-06 19:45:17,416 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1204 transitions. [2021-12-06 19:45:17,417 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 19:45:17,417 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1204 transitions. [2021-12-06 19:45:17,419 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 172.0) internal successors, (1204), 7 states have internal predecessors, (1204), 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) [2021-12-06 19:45:17,421 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 219.0) internal successors, (1752), 8 states have internal predecessors, (1752), 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) [2021-12-06 19:45:17,422 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 219.0) internal successors, (1752), 8 states have internal predecessors, (1752), 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) [2021-12-06 19:45:17,422 INFO L186 Difference]: Start difference. First operand has 184 places, 169 transitions, 404 flow. Second operand 7 states and 1204 transitions. [2021-12-06 19:45:17,422 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 233 transitions, 725 flow [2021-12-06 19:45:17,425 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 189 places, 233 transitions, 719 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-12-06 19:45:17,427 INFO L242 Difference]: Finished difference. Result has 194 places, 173 transitions, 455 flow [2021-12-06 19:45:17,427 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=219, PETRI_DIFFERENCE_MINUEND_FLOW=398, PETRI_DIFFERENCE_MINUEND_PLACES=183, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=169, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=164, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=455, PETRI_PLACES=194, PETRI_TRANSITIONS=173} [2021-12-06 19:45:17,428 INFO L334 CegarLoopForPetriNet]: 192 programPoint places, 2 predicate places. [2021-12-06 19:45:17,428 INFO L470 AbstractCegarLoop]: Abstraction has has 194 places, 173 transitions, 455 flow [2021-12-06 19:45:17,428 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 160.6) internal successors, (803), 5 states have internal predecessors, (803), 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) [2021-12-06 19:45:17,428 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 19:45:17,429 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:45:17,429 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-06 19:45:17,429 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-06 19:45:17,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:45:17,429 INFO L85 PathProgramCache]: Analyzing trace with hash -219963599, now seen corresponding path program 1 times [2021-12-06 19:45:17,429 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:45:17,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750796776] [2021-12-06 19:45:17,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:45:17,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:45:17,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:45:17,444 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:45:17,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:45:17,462 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:45:17,462 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-06 19:45:17,462 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 2 remaining) [2021-12-06 19:45:17,462 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2021-12-06 19:45:17,462 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-06 19:45:17,463 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-12-06 19:45:17,463 WARN L234 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2021-12-06 19:45:17,463 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2021-12-06 19:45:17,470 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,470 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,471 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,471 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,471 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,471 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,471 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,471 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,471 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,471 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,471 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,471 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,471 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,471 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,472 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,472 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,472 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,472 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,472 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,472 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,472 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,472 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,472 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,472 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,472 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,472 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,472 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,473 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,473 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,473 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,473 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,473 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,473 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,473 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,473 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,473 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,473 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,473 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,473 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,473 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,474 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,474 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,474 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,474 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,474 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,474 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,474 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,474 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,474 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,474 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,474 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,474 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,474 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,475 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,475 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,475 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,475 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,475 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,475 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,475 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,475 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,475 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,475 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,475 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,475 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,475 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,476 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,476 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,476 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,476 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,476 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,476 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,476 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,476 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,476 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,476 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,476 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,476 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,476 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,477 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,477 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,477 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,477 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,477 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,477 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,477 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,477 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,477 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,477 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,477 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,477 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,478 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,478 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,478 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,478 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,478 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,478 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,478 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,478 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,478 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,478 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,478 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,478 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,478 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,478 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,479 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,479 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,479 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,479 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,479 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,479 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,479 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,479 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,479 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,479 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,479 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,479 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,479 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,480 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,480 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,480 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,480 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,480 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,480 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,480 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,480 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,480 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,480 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,480 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,480 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,480 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,481 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,481 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,481 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,481 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,481 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,481 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,481 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,481 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,481 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,481 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,481 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,481 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,481 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,482 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,482 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,482 WARN L322 ript$VariableManager]: TermVariabe t_funThread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,482 WARN L322 ript$VariableManager]: TermVariabe t_funThread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,482 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,482 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,482 WARN L322 ript$VariableManager]: TermVariabe t_funThread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,482 WARN L322 ript$VariableManager]: TermVariabe t_funThread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,482 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,482 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,482 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,482 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,482 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,483 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,483 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,483 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,483 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,483 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,483 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,483 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,483 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,483 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,483 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,483 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,483 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,483 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,484 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,484 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,484 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,484 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,484 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,484 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,484 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,484 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,484 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,484 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,484 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,485 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,485 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,485 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,485 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,485 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,485 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,485 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,485 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,485 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,486 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,486 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,486 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,486 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,486 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,486 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,486 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,486 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,486 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,486 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,487 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,487 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,487 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,487 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,487 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,487 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,487 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,487 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,487 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,487 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,488 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,488 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,488 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,488 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,488 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,488 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,488 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,488 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,488 WARN L322 ript$VariableManager]: TermVariabe t_funThread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,488 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,489 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,489 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,489 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,489 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,489 WARN L322 ript$VariableManager]: TermVariabe t_funThread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:17,490 INFO L148 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2021-12-06 19:45:17,491 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 19:45:17,491 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, mAutomataTypeConcurrency=PETRI_NET, 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 [2021-12-06 19:45:17,491 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-12-06 19:45:17,493 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 217 places, 249 transitions, 558 flow [2021-12-06 19:45:17,642 INFO L129 PetriNetUnfolder]: 158/949 cut-off events. [2021-12-06 19:45:17,642 INFO L130 PetriNetUnfolder]: For 110/110 co-relation queries the response was YES. [2021-12-06 19:45:17,650 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1060 conditions, 949 events. 158/949 cut-off events. For 110/110 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 4244 event pairs, 23 based on Foata normal form. 0/801 useless extension candidates. Maximal degree in co-relation 653. Up to 80 conditions per place. [2021-12-06 19:45:17,650 INFO L82 GeneralOperation]: Start removeDead. Operand has 217 places, 249 transitions, 558 flow [2021-12-06 19:45:17,658 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 217 places, 249 transitions, 558 flow [2021-12-06 19:45:17,664 INFO L129 PetriNetUnfolder]: 9/116 cut-off events. [2021-12-06 19:45:17,664 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-06 19:45:17,664 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 19:45:17,664 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:45:17,664 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-06 19:45:17,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:45:17,665 INFO L85 PathProgramCache]: Analyzing trace with hash -1035883600, now seen corresponding path program 1 times [2021-12-06 19:45:17,665 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:45:17,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641279743] [2021-12-06 19:45:17,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:45:17,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:45:17,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:17,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:45:17,683 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:45:17,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641279743] [2021-12-06 19:45:17,683 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641279743] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:45:17,684 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:45:17,684 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 19:45:17,684 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412607684] [2021-12-06 19:45:17,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:45:17,684 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 19:45:17,684 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:45:17,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 19:45:17,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 19:45:17,685 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 196 out of 249 [2021-12-06 19:45:17,686 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 217 places, 249 transitions, 558 flow. Second operand has 3 states, 3 states have (on average 197.0) internal successors, (591), 3 states have internal predecessors, (591), 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) [2021-12-06 19:45:17,686 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 19:45:17,686 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 196 of 249 [2021-12-06 19:45:17,686 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 19:45:17,840 INFO L129 PetriNetUnfolder]: 68/831 cut-off events. [2021-12-06 19:45:17,840 INFO L130 PetriNetUnfolder]: For 276/342 co-relation queries the response was YES. [2021-12-06 19:45:17,844 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1057 conditions, 831 events. 68/831 cut-off events. For 276/342 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 3976 event pairs, 23 based on Foata normal form. 880/1654 useless extension candidates. Maximal degree in co-relation 622. Up to 110 conditions per place. [2021-12-06 19:45:17,846 INFO L132 encePairwiseOnDemand]: 211/249 looper letters, 14 selfloop transitions, 2 changer transitions 28/217 dead transitions. [2021-12-06 19:45:17,846 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 218 places, 217 transitions, 536 flow [2021-12-06 19:45:17,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 19:45:17,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-06 19:45:17,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 652 transitions. [2021-12-06 19:45:17,849 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8728246318607764 [2021-12-06 19:45:17,849 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 652 transitions. [2021-12-06 19:45:17,849 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 652 transitions. [2021-12-06 19:45:17,850 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 19:45:17,850 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 652 transitions. [2021-12-06 19:45:17,852 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 217.33333333333334) internal successors, (652), 3 states have internal predecessors, (652), 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) [2021-12-06 19:45:17,854 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 249.0) internal successors, (996), 4 states have internal predecessors, (996), 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) [2021-12-06 19:45:17,854 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 249.0) internal successors, (996), 4 states have internal predecessors, (996), 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) [2021-12-06 19:45:17,854 INFO L186 Difference]: Start difference. First operand has 217 places, 249 transitions, 558 flow. Second operand 3 states and 652 transitions. [2021-12-06 19:45:17,854 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 218 places, 217 transitions, 536 flow [2021-12-06 19:45:17,857 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 218 places, 217 transitions, 536 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-06 19:45:17,861 INFO L242 Difference]: Finished difference. Result has 219 places, 186 transitions, 427 flow [2021-12-06 19:45:17,861 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=486, PETRI_DIFFERENCE_MINUEND_PLACES=216, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=213, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=211, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=427, PETRI_PLACES=219, PETRI_TRANSITIONS=186} [2021-12-06 19:45:17,862 INFO L334 CegarLoopForPetriNet]: 217 programPoint places, 2 predicate places. [2021-12-06 19:45:17,862 INFO L470 AbstractCegarLoop]: Abstraction has has 219 places, 186 transitions, 427 flow [2021-12-06 19:45:17,863 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 197.0) internal successors, (591), 3 states have internal predecessors, (591), 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) [2021-12-06 19:45:17,863 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 19:45:17,863 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:45:17,863 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-06 19:45:17,863 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-06 19:45:17,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:45:17,864 INFO L85 PathProgramCache]: Analyzing trace with hash 910470370, now seen corresponding path program 1 times [2021-12-06 19:45:17,864 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:45:17,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112123120] [2021-12-06 19:45:17,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:45:17,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:45:17,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:17,900 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:45:17,901 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:45:17,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112123120] [2021-12-06 19:45:17,901 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112123120] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 19:45:17,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [699693401] [2021-12-06 19:45:17,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:45:17,901 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:45:17,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7075aec7-2125-4f87-8a61-a9e3bbbd832e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:45:17,902 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7075aec7-2125-4f87-8a61-a9e3bbbd832e/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 19:45:17,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7075aec7-2125-4f87-8a61-a9e3bbbd832e/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-06 19:45:17,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:17,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 19:45:17,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:45:18,035 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:45:18,035 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 19:45:18,106 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:45:18,106 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [699693401] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 19:45:18,106 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 19:45:18,106 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2021-12-06 19:45:18,106 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326362414] [2021-12-06 19:45:18,107 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 19:45:18,107 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-06 19:45:18,107 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:45:18,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-06 19:45:18,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-12-06 19:45:18,110 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 195 out of 249 [2021-12-06 19:45:18,113 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 219 places, 186 transitions, 427 flow. Second operand has 10 states, 10 states have (on average 197.3) internal successors, (1973), 10 states have internal predecessors, (1973), 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) [2021-12-06 19:45:18,113 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 19:45:18,113 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 195 of 249 [2021-12-06 19:45:18,113 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 19:45:18,216 INFO L129 PetriNetUnfolder]: 3/257 cut-off events. [2021-12-06 19:45:18,216 INFO L130 PetriNetUnfolder]: For 33/33 co-relation queries the response was YES. [2021-12-06 19:45:18,218 INFO L84 FinitePrefix]: Finished finitePrefix Result has 338 conditions, 257 events. 3/257 cut-off events. For 33/33 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 562 event pairs, 0 based on Foata normal form. 2/256 useless extension candidates. Maximal degree in co-relation 264. Up to 15 conditions per place. [2021-12-06 19:45:18,219 INFO L132 encePairwiseOnDemand]: 243/249 looper letters, 15 selfloop transitions, 9 changer transitions 0/196 dead transitions. [2021-12-06 19:45:18,219 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 196 transitions, 497 flow [2021-12-06 19:45:18,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 19:45:18,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-06 19:45:18,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1781 transitions. [2021-12-06 19:45:18,225 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7947344935296743 [2021-12-06 19:45:18,225 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1781 transitions. [2021-12-06 19:45:18,225 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1781 transitions. [2021-12-06 19:45:18,227 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 19:45:18,227 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1781 transitions. [2021-12-06 19:45:18,232 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 197.88888888888889) internal successors, (1781), 9 states have internal predecessors, (1781), 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) [2021-12-06 19:45:18,237 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 249.0) internal successors, (2490), 10 states have internal predecessors, (2490), 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) [2021-12-06 19:45:18,238 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 249.0) internal successors, (2490), 10 states have internal predecessors, (2490), 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) [2021-12-06 19:45:18,239 INFO L186 Difference]: Start difference. First operand has 219 places, 186 transitions, 427 flow. Second operand 9 states and 1781 transitions. [2021-12-06 19:45:18,239 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 196 transitions, 497 flow [2021-12-06 19:45:18,241 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 196 transitions, 475 flow, removed 10 selfloop flow, removed 1 redundant places. [2021-12-06 19:45:18,244 INFO L242 Difference]: Finished difference. Result has 208 places, 192 transitions, 455 flow [2021-12-06 19:45:18,245 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=405, PETRI_DIFFERENCE_MINUEND_PLACES=197, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=186, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=455, PETRI_PLACES=208, PETRI_TRANSITIONS=192} [2021-12-06 19:45:18,245 INFO L334 CegarLoopForPetriNet]: 217 programPoint places, -9 predicate places. [2021-12-06 19:45:18,246 INFO L470 AbstractCegarLoop]: Abstraction has has 208 places, 192 transitions, 455 flow [2021-12-06 19:45:18,247 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 197.3) internal successors, (1973), 10 states have internal predecessors, (1973), 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) [2021-12-06 19:45:18,247 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 19:45:18,247 INFO L254 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:45:18,268 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7075aec7-2125-4f87-8a61-a9e3bbbd832e/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-12-06 19:45:18,448 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7075aec7-2125-4f87-8a61-a9e3bbbd832e/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-12-06 19:45:18,448 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-06 19:45:18,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:45:18,448 INFO L85 PathProgramCache]: Analyzing trace with hash -471698487, now seen corresponding path program 1 times [2021-12-06 19:45:18,448 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:45:18,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112075970] [2021-12-06 19:45:18,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:45:18,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:45:18,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:18,520 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-06 19:45:18,520 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:45:18,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112075970] [2021-12-06 19:45:18,521 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112075970] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:45:18,521 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:45:18,521 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 19:45:18,521 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543341565] [2021-12-06 19:45:18,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:45:18,522 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 19:45:18,522 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:45:18,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 19:45:18,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 19:45:18,524 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 249 [2021-12-06 19:45:18,525 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 208 places, 192 transitions, 455 flow. Second operand has 5 states, 5 states have (on average 178.6) internal successors, (893), 5 states have internal predecessors, (893), 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) [2021-12-06 19:45:18,525 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 19:45:18,525 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 249 [2021-12-06 19:45:18,525 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 19:45:47,661 INFO L129 PetriNetUnfolder]: 110512/253118 cut-off events. [2021-12-06 19:45:47,661 INFO L130 PetriNetUnfolder]: For 2354/2354 co-relation queries the response was YES. [2021-12-06 19:45:49,671 INFO L84 FinitePrefix]: Finished finitePrefix Result has 396833 conditions, 253118 events. 110512/253118 cut-off events. For 2354/2354 co-relation queries the response was YES. Maximal size of possible extension queue 9214. Compared 3571999 event pairs, 63940 based on Foata normal form. 3875/253383 useless extension candidates. Maximal degree in co-relation 396706. Up to 88950 conditions per place. [2021-12-06 19:45:50,414 INFO L132 encePairwiseOnDemand]: 240/249 looper letters, 38 selfloop transitions, 6 changer transitions 65/271 dead transitions. [2021-12-06 19:45:50,414 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 214 places, 271 transitions, 851 flow [2021-12-06 19:45:50,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 19:45:50,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-12-06 19:45:50,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1350 transitions. [2021-12-06 19:45:50,418 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.774526678141136 [2021-12-06 19:45:50,418 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1350 transitions. [2021-12-06 19:45:50,418 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1350 transitions. [2021-12-06 19:45:50,419 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 19:45:50,419 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1350 transitions. [2021-12-06 19:45:50,422 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 192.85714285714286) internal successors, (1350), 7 states have internal predecessors, (1350), 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) [2021-12-06 19:45:50,424 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 249.0) internal successors, (1992), 8 states have internal predecessors, (1992), 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) [2021-12-06 19:45:50,425 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 249.0) internal successors, (1992), 8 states have internal predecessors, (1992), 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) [2021-12-06 19:45:50,425 INFO L186 Difference]: Start difference. First operand has 208 places, 192 transitions, 455 flow. Second operand 7 states and 1350 transitions. [2021-12-06 19:45:50,425 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 214 places, 271 transitions, 851 flow [2021-12-06 19:45:50,427 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 213 places, 271 transitions, 845 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-12-06 19:45:50,430 INFO L242 Difference]: Finished difference. Result has 218 places, 197 transitions, 517 flow [2021-12-06 19:45:50,430 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=449, PETRI_DIFFERENCE_MINUEND_PLACES=207, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=192, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=186, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=517, PETRI_PLACES=218, PETRI_TRANSITIONS=197} [2021-12-06 19:45:50,430 INFO L334 CegarLoopForPetriNet]: 217 programPoint places, 1 predicate places. [2021-12-06 19:45:50,430 INFO L470 AbstractCegarLoop]: Abstraction has has 218 places, 197 transitions, 517 flow [2021-12-06 19:45:50,431 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 178.6) internal successors, (893), 5 states have internal predecessors, (893), 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) [2021-12-06 19:45:50,431 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 19:45:50,431 INFO L254 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:45:50,431 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-06 19:45:50,431 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-06 19:45:50,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:45:50,431 INFO L85 PathProgramCache]: Analyzing trace with hash -1292883041, now seen corresponding path program 1 times [2021-12-06 19:45:50,431 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:45:50,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541481736] [2021-12-06 19:45:50,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:45:50,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:45:50,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:50,482 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:45:50,482 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:45:50,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541481736] [2021-12-06 19:45:50,483 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541481736] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 19:45:50,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [998968005] [2021-12-06 19:45:50,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:45:50,483 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:45:50,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7075aec7-2125-4f87-8a61-a9e3bbbd832e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:45:50,484 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7075aec7-2125-4f87-8a61-a9e3bbbd832e/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 19:45:50,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7075aec7-2125-4f87-8a61-a9e3bbbd832e/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-06 19:45:50,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:50,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-06 19:45:50,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:45:50,651 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:45:50,651 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 19:45:50,753 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:45:50,753 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [998968005] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 19:45:50,753 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 19:45:50,753 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2021-12-06 19:45:50,754 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115670160] [2021-12-06 19:45:50,754 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 19:45:50,754 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 19:45:50,754 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:45:50,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 19:45:50,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2021-12-06 19:45:50,757 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 195 out of 249 [2021-12-06 19:45:50,760 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 218 places, 197 transitions, 517 flow. Second operand has 18 states, 18 states have (on average 197.61111111111111) internal successors, (3557), 18 states have internal predecessors, (3557), 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) [2021-12-06 19:45:50,760 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 19:45:50,760 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 195 of 249 [2021-12-06 19:45:50,760 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 19:45:50,930 INFO L129 PetriNetUnfolder]: 49/648 cut-off events. [2021-12-06 19:45:50,930 INFO L130 PetriNetUnfolder]: For 109/277 co-relation queries the response was YES. [2021-12-06 19:45:50,935 INFO L84 FinitePrefix]: Finished finitePrefix Result has 981 conditions, 648 events. 49/648 cut-off events. For 109/277 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 3326 event pairs, 23 based on Foata normal form. 3/634 useless extension candidates. Maximal degree in co-relation 964. Up to 81 conditions per place. [2021-12-06 19:45:50,938 INFO L132 encePairwiseOnDemand]: 244/249 looper letters, 18 selfloop transitions, 16 changer transitions 0/196 dead transitions. [2021-12-06 19:45:50,938 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 216 places, 196 transitions, 595 flow [2021-12-06 19:45:50,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-06 19:45:50,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-12-06 19:45:50,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 3547 transitions. [2021-12-06 19:45:50,945 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7913877733154842 [2021-12-06 19:45:50,945 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 3547 transitions. [2021-12-06 19:45:50,945 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 3547 transitions. [2021-12-06 19:45:50,946 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 19:45:50,947 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 3547 transitions. [2021-12-06 19:45:50,952 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 197.05555555555554) internal successors, (3547), 18 states have internal predecessors, (3547), 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) [2021-12-06 19:45:50,958 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 249.0) internal successors, (4731), 19 states have internal predecessors, (4731), 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) [2021-12-06 19:45:50,958 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 249.0) internal successors, (4731), 19 states have internal predecessors, (4731), 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) [2021-12-06 19:45:50,958 INFO L186 Difference]: Start difference. First operand has 218 places, 197 transitions, 517 flow. Second operand 18 states and 3547 transitions. [2021-12-06 19:45:50,958 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 216 places, 196 transitions, 595 flow [2021-12-06 19:45:50,960 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 210 places, 196 transitions, 558 flow, removed 10 selfloop flow, removed 6 redundant places. [2021-12-06 19:45:50,962 INFO L242 Difference]: Finished difference. Result has 210 places, 187 transitions, 494 flow [2021-12-06 19:45:50,962 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=436, PETRI_DIFFERENCE_MINUEND_PLACES=193, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=181, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=171, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=494, PETRI_PLACES=210, PETRI_TRANSITIONS=187} [2021-12-06 19:45:50,963 INFO L334 CegarLoopForPetriNet]: 217 programPoint places, -7 predicate places. [2021-12-06 19:45:50,963 INFO L470 AbstractCegarLoop]: Abstraction has has 210 places, 187 transitions, 494 flow [2021-12-06 19:45:50,964 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 197.61111111111111) internal successors, (3557), 18 states have internal predecessors, (3557), 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) [2021-12-06 19:45:50,964 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 19:45:50,964 INFO L254 CegarLoopForPetriNet]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:45:50,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7075aec7-2125-4f87-8a61-a9e3bbbd832e/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-12-06 19:45:51,165 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7075aec7-2125-4f87-8a61-a9e3bbbd832e/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:45:51,166 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-06 19:45:51,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:45:51,167 INFO L85 PathProgramCache]: Analyzing trace with hash 1000398316, now seen corresponding path program 1 times [2021-12-06 19:45:51,167 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:45:51,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649333257] [2021-12-06 19:45:51,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:45:51,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:45:51,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:45:51,226 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:45:51,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:45:51,297 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:45:51,297 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-06 19:45:51,298 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 2 remaining) [2021-12-06 19:45:51,298 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2021-12-06 19:45:51,298 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-06 19:45:51,299 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-12-06 19:45:51,300 WARN L234 ceAbstractionStarter]: 5 thread instances were not sufficient, I will increase this number and restart the analysis [2021-12-06 19:45:51,300 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 6 thread instances. [2021-12-06 19:45:51,318 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,319 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,319 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,319 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,319 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,319 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,320 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,320 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,320 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,320 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,320 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,320 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,321 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,321 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,321 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,321 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,321 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,321 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,322 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,322 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,322 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,322 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,322 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,322 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,323 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,323 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,323 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,323 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,323 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,323 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,323 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,324 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,324 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,324 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,324 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,324 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,324 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,325 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,325 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,325 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,325 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,325 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,325 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,325 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,325 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,325 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,326 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,326 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,326 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,326 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,326 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,326 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,327 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,327 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,327 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,327 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,327 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,327 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,327 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,327 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,328 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,328 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,328 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,328 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,328 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,328 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,328 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,329 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,329 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,329 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,329 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,329 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,329 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,329 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,330 WARN L322 ript$VariableManager]: TermVariabe t_funThread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,330 WARN L322 ript$VariableManager]: TermVariabe t_funThread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,330 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,330 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,330 WARN L322 ript$VariableManager]: TermVariabe t_funThread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,330 WARN L322 ript$VariableManager]: TermVariabe t_funThread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,330 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,330 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,331 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,331 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,331 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,331 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,331 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,331 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,331 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,332 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,332 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,332 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,332 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,332 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,332 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,332 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,332 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,333 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,333 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,333 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,333 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,333 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,333 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,333 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,333 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,333 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,334 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,334 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,334 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,334 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,334 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,334 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,334 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,334 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,335 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,335 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,335 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,335 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,335 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,335 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,335 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,335 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,336 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,336 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,336 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,336 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,336 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,336 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,336 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,336 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,336 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,337 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,337 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,337 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,337 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,337 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,337 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,337 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,337 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,337 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,338 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,338 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,338 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,338 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,338 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,338 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,338 WARN L322 ript$VariableManager]: TermVariabe t_funThread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,338 WARN L322 ript$VariableManager]: TermVariabe t_funThread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,339 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,339 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,339 WARN L322 ript$VariableManager]: TermVariabe t_funThread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,339 WARN L322 ript$VariableManager]: TermVariabe t_funThread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,339 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,339 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,339 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,339 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,339 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,340 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,340 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,340 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,340 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,340 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,340 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,340 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,340 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,341 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,341 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,341 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,341 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,341 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,341 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,341 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,341 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,341 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,342 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,342 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,342 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,342 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,342 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,342 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,342 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,342 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,342 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,342 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,343 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,343 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,343 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,343 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,343 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,343 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,343 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,343 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,343 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,343 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,344 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,344 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,344 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,344 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,344 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,344 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,344 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,344 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,344 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,344 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,345 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,345 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,345 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,345 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,345 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,345 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,345 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,345 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,345 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,345 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,346 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,346 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,346 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,346 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,346 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,346 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,346 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,347 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,347 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,347 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,347 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,347 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,347 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,347 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,348 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,348 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,348 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,348 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,348 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,348 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,348 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,349 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,349 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,349 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,349 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,349 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,349 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,349 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,349 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,350 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,350 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,350 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,350 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,350 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,350 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,350 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,350 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,350 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,351 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,351 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,351 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,351 WARN L322 ript$VariableManager]: TermVariabe t_funThread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,351 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,351 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,351 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,351 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,352 WARN L322 ript$VariableManager]: TermVariabe t_funThread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,352 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,352 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,352 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,352 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,352 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,352 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,352 WARN L322 ript$VariableManager]: TermVariabe t_funThread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,353 WARN L322 ript$VariableManager]: TermVariabe t_funThread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,353 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:45:51,354 INFO L148 ThreadInstanceAdder]: Constructed 6 joinOtherThreadTransitions. [2021-12-06 19:45:51,355 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 19:45:51,356 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, mAutomataTypeConcurrency=PETRI_NET, 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 [2021-12-06 19:45:51,356 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-12-06 19:45:51,358 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 242 places, 279 transitions, 636 flow [2021-12-06 19:45:51,549 INFO L129 PetriNetUnfolder]: 284/1578 cut-off events. [2021-12-06 19:45:51,549 INFO L130 PetriNetUnfolder]: For 242/242 co-relation queries the response was YES. [2021-12-06 19:45:51,568 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1810 conditions, 1578 events. 284/1578 cut-off events. For 242/242 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 8622 event pairs, 72 based on Foata normal form. 0/1351 useless extension candidates. Maximal degree in co-relation 1048. Up to 192 conditions per place. [2021-12-06 19:45:51,568 INFO L82 GeneralOperation]: Start removeDead. Operand has 242 places, 279 transitions, 636 flow [2021-12-06 19:45:51,580 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 242 places, 279 transitions, 636 flow [2021-12-06 19:45:51,585 INFO L129 PetriNetUnfolder]: 9/109 cut-off events. [2021-12-06 19:45:51,585 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-06 19:45:51,585 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 19:45:51,585 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:45:51,585 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-06 19:45:51,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:45:51,585 INFO L85 PathProgramCache]: Analyzing trace with hash -228878906, now seen corresponding path program 1 times [2021-12-06 19:45:51,586 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:45:51,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264403948] [2021-12-06 19:45:51,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:45:51,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:45:51,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:51,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:45:51,597 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:45:51,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264403948] [2021-12-06 19:45:51,597 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264403948] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:45:51,597 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:45:51,598 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 19:45:51,598 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768083303] [2021-12-06 19:45:51,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:45:51,598 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-06 19:45:51,598 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:45:51,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-06 19:45:51,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 19:45:51,599 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 225 out of 279 [2021-12-06 19:45:51,599 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 242 places, 279 transitions, 636 flow. Second operand has 2 states, 2 states have (on average 225.5) internal successors, (451), 2 states have internal predecessors, (451), 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) [2021-12-06 19:45:51,599 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 19:45:51,599 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 225 of 279 [2021-12-06 19:45:51,599 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 19:45:51,813 INFO L129 PetriNetUnfolder]: 156/1443 cut-off events. [2021-12-06 19:45:51,813 INFO L130 PetriNetUnfolder]: For 657/691 co-relation queries the response was YES. [2021-12-06 19:45:51,822 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1874 conditions, 1443 events. 156/1443 cut-off events. For 657/691 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 8425 event pairs, 72 based on Foata normal form. 1314/2658 useless extension candidates. Maximal degree in co-relation 1041. Up to 199 conditions per place. [2021-12-06 19:45:51,823 INFO L132 encePairwiseOnDemand]: 238/279 looper letters, 6 selfloop transitions, 0 changer transitions 29/237 dead transitions. [2021-12-06 19:45:51,823 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 242 places, 237 transitions, 576 flow [2021-12-06 19:45:51,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-06 19:45:51,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-12-06 19:45:51,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 503 transitions. [2021-12-06 19:45:51,825 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9014336917562724 [2021-12-06 19:45:51,825 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 503 transitions. [2021-12-06 19:45:51,825 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 503 transitions. [2021-12-06 19:45:51,825 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 19:45:51,825 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 503 transitions. [2021-12-06 19:45:51,826 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 251.5) internal successors, (503), 2 states have internal predecessors, (503), 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) [2021-12-06 19:45:51,827 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 279.0) internal successors, (837), 3 states have internal predecessors, (837), 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) [2021-12-06 19:45:51,827 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 279.0) internal successors, (837), 3 states have internal predecessors, (837), 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) [2021-12-06 19:45:51,827 INFO L186 Difference]: Start difference. First operand has 242 places, 279 transitions, 636 flow. Second operand 2 states and 503 transitions. [2021-12-06 19:45:51,827 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 242 places, 237 transitions, 576 flow [2021-12-06 19:45:51,829 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 242 places, 237 transitions, 576 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-06 19:45:51,831 INFO L242 Difference]: Finished difference. Result has 242 places, 208 transitions, 476 flow [2021-12-06 19:45:51,832 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=279, PETRI_DIFFERENCE_MINUEND_FLOW=552, PETRI_DIFFERENCE_MINUEND_PLACES=241, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=237, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=237, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=476, PETRI_PLACES=242, PETRI_TRANSITIONS=208} [2021-12-06 19:45:51,832 INFO L334 CegarLoopForPetriNet]: 242 programPoint places, 0 predicate places. [2021-12-06 19:45:51,832 INFO L470 AbstractCegarLoop]: Abstraction has has 242 places, 208 transitions, 476 flow [2021-12-06 19:45:51,832 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 225.5) internal successors, (451), 2 states have internal predecessors, (451), 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) [2021-12-06 19:45:51,832 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 19:45:51,832 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:45:51,832 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-12-06 19:45:51,833 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-06 19:45:51,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:45:51,833 INFO L85 PathProgramCache]: Analyzing trace with hash -522281913, now seen corresponding path program 1 times [2021-12-06 19:45:51,833 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:45:51,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770207486] [2021-12-06 19:45:51,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:45:51,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:45:51,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:51,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:45:51,848 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:45:51,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770207486] [2021-12-06 19:45:51,848 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770207486] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:45:51,848 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:45:51,848 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 19:45:51,848 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073969641] [2021-12-06 19:45:51,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:45:51,848 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 19:45:51,848 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:45:51,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 19:45:51,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 19:45:51,849 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 218 out of 279 [2021-12-06 19:45:51,850 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 242 places, 208 transitions, 476 flow. Second operand has 3 states, 3 states have (on average 219.0) internal successors, (657), 3 states have internal predecessors, (657), 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) [2021-12-06 19:45:51,850 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 19:45:51,850 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 218 of 279 [2021-12-06 19:45:51,850 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 19:45:51,977 INFO L129 PetriNetUnfolder]: 6/337 cut-off events. [2021-12-06 19:45:51,977 INFO L130 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2021-12-06 19:45:51,979 INFO L84 FinitePrefix]: Finished finitePrefix Result has 419 conditions, 337 events. 6/337 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 914 event pairs, 0 based on Foata normal form. 0/325 useless extension candidates. Maximal degree in co-relation 410. Up to 36 conditions per place. [2021-12-06 19:45:51,980 INFO L132 encePairwiseOnDemand]: 276/279 looper letters, 15 selfloop transitions, 2 changer transitions 0/212 dead transitions. [2021-12-06 19:45:51,980 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 223 places, 212 transitions, 518 flow [2021-12-06 19:45:51,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 19:45:51,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-06 19:45:51,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 672 transitions. [2021-12-06 19:45:51,981 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8028673835125448 [2021-12-06 19:45:51,982 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 672 transitions. [2021-12-06 19:45:51,982 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 672 transitions. [2021-12-06 19:45:51,982 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 19:45:51,982 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 672 transitions. [2021-12-06 19:45:51,983 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 224.0) internal successors, (672), 3 states have internal predecessors, (672), 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) [2021-12-06 19:45:51,984 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 279.0) internal successors, (1116), 4 states have internal predecessors, (1116), 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) [2021-12-06 19:45:51,984 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 279.0) internal successors, (1116), 4 states have internal predecessors, (1116), 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) [2021-12-06 19:45:51,984 INFO L186 Difference]: Start difference. First operand has 242 places, 208 transitions, 476 flow. Second operand 3 states and 672 transitions. [2021-12-06 19:45:51,984 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 223 places, 212 transitions, 518 flow [2021-12-06 19:45:51,986 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 223 places, 212 transitions, 488 flow, removed 15 selfloop flow, removed 0 redundant places. [2021-12-06 19:45:51,988 INFO L242 Difference]: Finished difference. Result has 224 places, 209 transitions, 458 flow [2021-12-06 19:45:51,988 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=279, PETRI_DIFFERENCE_MINUEND_FLOW=446, PETRI_DIFFERENCE_MINUEND_PLACES=221, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=208, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=206, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=458, PETRI_PLACES=224, PETRI_TRANSITIONS=209} [2021-12-06 19:45:51,988 INFO L334 CegarLoopForPetriNet]: 242 programPoint places, -18 predicate places. [2021-12-06 19:45:51,988 INFO L470 AbstractCegarLoop]: Abstraction has has 224 places, 209 transitions, 458 flow [2021-12-06 19:45:51,989 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 219.0) internal successors, (657), 3 states have internal predecessors, (657), 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) [2021-12-06 19:45:51,989 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 19:45:51,989 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:45:51,989 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-12-06 19:45:51,989 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-06 19:45:51,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:45:51,989 INFO L85 PathProgramCache]: Analyzing trace with hash 384187445, now seen corresponding path program 1 times [2021-12-06 19:45:51,989 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:45:51,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947962249] [2021-12-06 19:45:51,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:45:51,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:45:51,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:52,019 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:45:52,019 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:45:52,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947962249] [2021-12-06 19:45:52,019 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947962249] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 19:45:52,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [373281764] [2021-12-06 19:45:52,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:45:52,019 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:45:52,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7075aec7-2125-4f87-8a61-a9e3bbbd832e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:45:52,020 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7075aec7-2125-4f87-8a61-a9e3bbbd832e/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 19:45:52,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7075aec7-2125-4f87-8a61-a9e3bbbd832e/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-06 19:45:52,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:52,080 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 19:45:52,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:45:52,139 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:45:52,139 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 19:45:52,203 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:45:52,203 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [373281764] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 19:45:52,203 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 19:45:52,203 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2021-12-06 19:45:52,203 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679799917] [2021-12-06 19:45:52,203 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 19:45:52,204 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-06 19:45:52,204 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:45:52,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-06 19:45:52,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-12-06 19:45:52,206 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 217 out of 279 [2021-12-06 19:45:52,207 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 224 places, 209 transitions, 458 flow. Second operand has 10 states, 10 states have (on average 219.3) internal successors, (2193), 10 states have internal predecessors, (2193), 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) [2021-12-06 19:45:52,207 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 19:45:52,207 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 217 of 279 [2021-12-06 19:45:52,207 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 19:45:52,284 INFO L129 PetriNetUnfolder]: 4/305 cut-off events. [2021-12-06 19:45:52,284 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2021-12-06 19:45:52,286 INFO L84 FinitePrefix]: Finished finitePrefix Result has 390 conditions, 305 events. 4/305 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 733 event pairs, 0 based on Foata normal form. 2/303 useless extension candidates. Maximal degree in co-relation 379. Up to 19 conditions per place. [2021-12-06 19:45:52,286 INFO L132 encePairwiseOnDemand]: 273/279 looper letters, 16 selfloop transitions, 9 changer transitions 0/219 dead transitions. [2021-12-06 19:45:52,286 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 232 places, 219 transitions, 530 flow [2021-12-06 19:45:52,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 19:45:52,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-06 19:45:52,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1980 transitions. [2021-12-06 19:45:52,290 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7885304659498208 [2021-12-06 19:45:52,290 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1980 transitions. [2021-12-06 19:45:52,290 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1980 transitions. [2021-12-06 19:45:52,291 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 19:45:52,291 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1980 transitions. [2021-12-06 19:45:52,294 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 220.0) internal successors, (1980), 9 states have internal predecessors, (1980), 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) [2021-12-06 19:45:52,297 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 279.0) internal successors, (2790), 10 states have internal predecessors, (2790), 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) [2021-12-06 19:45:52,297 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 279.0) internal successors, (2790), 10 states have internal predecessors, (2790), 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) [2021-12-06 19:45:52,297 INFO L186 Difference]: Start difference. First operand has 224 places, 209 transitions, 458 flow. Second operand 9 states and 1980 transitions. [2021-12-06 19:45:52,297 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 232 places, 219 transitions, 530 flow [2021-12-06 19:45:52,298 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 231 places, 219 transitions, 528 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-12-06 19:45:52,301 INFO L242 Difference]: Finished difference. Result has 234 places, 215 transitions, 506 flow [2021-12-06 19:45:52,301 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=279, PETRI_DIFFERENCE_MINUEND_FLOW=456, PETRI_DIFFERENCE_MINUEND_PLACES=223, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=209, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=203, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=506, PETRI_PLACES=234, PETRI_TRANSITIONS=215} [2021-12-06 19:45:52,301 INFO L334 CegarLoopForPetriNet]: 242 programPoint places, -8 predicate places. [2021-12-06 19:45:52,301 INFO L470 AbstractCegarLoop]: Abstraction has has 234 places, 215 transitions, 506 flow [2021-12-06 19:45:52,302 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 219.3) internal successors, (2193), 10 states have internal predecessors, (2193), 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) [2021-12-06 19:45:52,302 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 19:45:52,302 INFO L254 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:45:52,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7075aec7-2125-4f87-8a61-a9e3bbbd832e/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-12-06 19:45:52,502 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7075aec7-2125-4f87-8a61-a9e3bbbd832e/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:45:52,503 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-06 19:45:52,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:45:52,504 INFO L85 PathProgramCache]: Analyzing trace with hash -1884532844, now seen corresponding path program 1 times [2021-12-06 19:45:52,504 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:45:52,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156191129] [2021-12-06 19:45:52,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:45:52,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:45:52,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:52,627 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-06 19:45:52,628 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:45:52,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156191129] [2021-12-06 19:45:52,628 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156191129] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:45:52,628 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:45:52,628 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 19:45:52,628 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577126298] [2021-12-06 19:45:52,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:45:52,628 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 19:45:52,629 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:45:52,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 19:45:52,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 19:45:52,630 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 195 out of 279 [2021-12-06 19:45:52,631 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 234 places, 215 transitions, 506 flow. Second operand has 5 states, 5 states have (on average 196.6) internal successors, (983), 5 states have internal predecessors, (983), 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) [2021-12-06 19:45:52,631 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 19:45:52,631 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 195 of 279 [2021-12-06 19:45:52,631 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand