./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/parallel-barrier-loop.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d31ac83a-279b-4e8b-9626-34a6823937e4/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d31ac83a-279b-4e8b-9626-34a6823937e4/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d31ac83a-279b-4e8b-9626-34a6823937e4/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d31ac83a-279b-4e8b-9626-34a6823937e4/bin/uautomizer-UnR33cPsHg/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/parallel-barrier-loop.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d31ac83a-279b-4e8b-9626-34a6823937e4/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d31ac83a-279b-4e8b-9626-34a6823937e4/bin/uautomizer-UnR33cPsHg --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 6cbe8dd40fecf4391efe5e4ba3939c64a9fdbbfb53083def47a68bbefda43a3c ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:17:40,593 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:17:40,595 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:17:40,625 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:17:40,626 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:17:40,627 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:17:40,629 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:17:40,632 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:17:40,634 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:17:40,635 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:17:40,637 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:17:40,638 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:17:40,639 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:17:40,640 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:17:40,642 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:17:40,643 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:17:40,645 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:17:40,646 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:17:40,648 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:17:40,651 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:17:40,653 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:17:40,655 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:17:40,657 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:17:40,658 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:17:40,662 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:17:40,663 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:17:40,663 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:17:40,664 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:17:40,665 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:17:40,667 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:17:40,667 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:17:40,668 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:17:40,669 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:17:40,670 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:17:40,673 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:17:40,674 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:17:40,675 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:17:40,676 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:17:40,676 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:17:40,677 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:17:40,678 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:17:40,679 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d31ac83a-279b-4e8b-9626-34a6823937e4/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 09:17:40,724 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:17:40,727 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:17:40,728 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:17:40,728 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:17:40,737 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:17:40,737 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:17:40,738 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:17:40,738 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:17:40,738 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:17:40,739 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:17:40,740 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:17:40,740 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:17:40,741 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 09:17:40,741 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 09:17:40,741 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 09:17:40,741 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:17:40,742 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:17:40,742 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:17:40,742 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 09:17:40,743 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:17:40,743 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:17:40,743 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 09:17:40,744 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:17:40,744 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:17:40,744 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 09:17:40,745 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 09:17:40,745 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:17:40,745 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 09:17:40,746 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 09:17:40,747 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 09:17:40,748 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 09:17:40,748 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:17:40,748 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_d31ac83a-279b-4e8b-9626-34a6823937e4/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d31ac83a-279b-4e8b-9626-34a6823937e4/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6cbe8dd40fecf4391efe5e4ba3939c64a9fdbbfb53083def47a68bbefda43a3c [2021-10-28 09:17:41,038 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:17:41,070 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:17:41,072 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:17:41,074 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:17:41,079 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:17:41,080 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d31ac83a-279b-4e8b-9626-34a6823937e4/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/weaver/parallel-barrier-loop.wvr.c [2021-10-28 09:17:41,165 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d31ac83a-279b-4e8b-9626-34a6823937e4/bin/uautomizer-UnR33cPsHg/data/ce01c1ac2/94dedf1b43054ced92a9d97c2c48cc59/FLAG095a49aaa [2021-10-28 09:17:41,627 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:17:41,632 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d31ac83a-279b-4e8b-9626-34a6823937e4/sv-benchmarks/c/weaver/parallel-barrier-loop.wvr.c [2021-10-28 09:17:41,649 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d31ac83a-279b-4e8b-9626-34a6823937e4/bin/uautomizer-UnR33cPsHg/data/ce01c1ac2/94dedf1b43054ced92a9d97c2c48cc59/FLAG095a49aaa [2021-10-28 09:17:41,993 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d31ac83a-279b-4e8b-9626-34a6823937e4/bin/uautomizer-UnR33cPsHg/data/ce01c1ac2/94dedf1b43054ced92a9d97c2c48cc59 [2021-10-28 09:17:41,996 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:17:41,997 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:17:41,999 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:17:41,999 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:17:42,016 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:17:42,017 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:17:41" (1/1) ... [2021-10-28 09:17:42,018 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51467d27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:17:42, skipping insertion in model container [2021-10-28 09:17:42,018 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:17:41" (1/1) ... [2021-10-28 09:17:42,025 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:17:42,065 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:17:42,277 WARN L228 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_d31ac83a-279b-4e8b-9626-34a6823937e4/sv-benchmarks/c/weaver/parallel-barrier-loop.wvr.c[5938,5951] [2021-10-28 09:17:42,280 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:17:42,289 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:17:42,350 WARN L228 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_d31ac83a-279b-4e8b-9626-34a6823937e4/sv-benchmarks/c/weaver/parallel-barrier-loop.wvr.c[5938,5951] [2021-10-28 09:17:42,361 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:17:42,383 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:17:42,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:17:42 WrapperNode [2021-10-28 09:17:42,385 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:17:42,387 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:17:42,387 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:17:42,387 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:17:42,395 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:17:42" (1/1) ... [2021-10-28 09:17:42,414 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:17:42" (1/1) ... [2021-10-28 09:17:42,440 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:17:42,441 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:17:42,441 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:17:42,441 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:17:42,450 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:17:42" (1/1) ... [2021-10-28 09:17:42,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:17:42" (1/1) ... [2021-10-28 09:17:42,454 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:17:42" (1/1) ... [2021-10-28 09:17:42,454 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:17:42" (1/1) ... [2021-10-28 09:17:42,462 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:17:42" (1/1) ... [2021-10-28 09:17:42,466 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:17:42" (1/1) ... [2021-10-28 09:17:42,469 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:17:42" (1/1) ... [2021-10-28 09:17:42,473 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:17:42,474 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:17:42,474 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:17:42,474 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:17:42,475 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:17:42" (1/1) ... [2021-10-28 09:17:42,496 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:17:42,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d31ac83a-279b-4e8b-9626-34a6823937e4/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:17:42,519 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d31ac83a-279b-4e8b-9626-34a6823937e4/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 09:17:42,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d31ac83a-279b-4e8b-9626-34a6823937e4/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 09:17:42,570 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-28 09:17:42,570 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-28 09:17:42,570 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-28 09:17:42,571 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-28 09:17:42,571 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-28 09:17:42,572 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-28 09:17:42,572 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-10-28 09:17:42,572 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-10-28 09:17:42,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 09:17:42,572 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-10-28 09:17:42,572 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-10-28 09:17:42,573 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2021-10-28 09:17:42,573 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2021-10-28 09:17:42,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:17:42,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 09:17:42,574 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-28 09:17:42,574 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-28 09:17:42,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:17:42,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:17:42,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-28 09:17:42,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 09:17:42,577 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-28 09:17:43,393 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:17:43,393 INFO L299 CfgBuilder]: Removed 28 assume(true) statements. [2021-10-28 09:17:43,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:17:43 BoogieIcfgContainer [2021-10-28 09:17:43,397 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:17:43,399 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 09:17:43,399 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 09:17:43,403 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 09:17:43,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 09:17:41" (1/3) ... [2021-10-28 09:17:43,404 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64b40865 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:17:43, skipping insertion in model container [2021-10-28 09:17:43,405 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:17:42" (2/3) ... [2021-10-28 09:17:43,405 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64b40865 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:17:43, skipping insertion in model container [2021-10-28 09:17:43,405 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:17:43" (3/3) ... [2021-10-28 09:17:43,407 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-barrier-loop.wvr.c [2021-10-28 09:17:43,413 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-28 09:17:43,413 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 09:17:43,414 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 09:17:43,414 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-28 09:17:43,466 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,466 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,467 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,467 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,467 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,468 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,468 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,468 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,469 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,469 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,470 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,470 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,470 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,470 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,471 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,471 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,472 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,472 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,472 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,473 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,473 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~pre7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,473 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~pre7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,474 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~pre7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,474 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,474 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,475 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~pre7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,475 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,475 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,475 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~pre7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,476 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~pre7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,476 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,476 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,477 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,477 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,477 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,477 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,478 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,478 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,479 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,479 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,479 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,480 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,480 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,480 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,481 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,481 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,481 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,482 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,482 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,482 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,483 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,483 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,483 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,483 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,484 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,484 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,484 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,485 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,485 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,485 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,485 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,486 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,486 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,486 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,487 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,487 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,487 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,488 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,488 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,488 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,489 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,489 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,489 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,489 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,490 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,490 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,491 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,491 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,491 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,491 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,492 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,492 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,493 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,493 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,494 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,494 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,494 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,495 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,495 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,495 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,496 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,496 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,496 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,496 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,497 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,497 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,498 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,498 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork5_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,498 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,498 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork5_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,499 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,499 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork5_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,500 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,500 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork5_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,501 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,501 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,502 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,502 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,502 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,503 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,503 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,503 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,504 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~pre13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,504 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~pre13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,504 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,505 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~pre13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,505 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,505 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,505 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~pre13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,506 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,506 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~pre13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,506 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~pre13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,513 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,513 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,514 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~pre15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,514 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~pre15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,515 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,515 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~pre15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,515 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,515 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,516 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~pre15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,516 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,516 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~pre15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,517 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~pre15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,517 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,517 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,518 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,518 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,518 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~mem17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,519 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,519 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,519 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~mem17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,519 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~mem17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,520 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~mem17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,520 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,520 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,520 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,521 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,521 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,521 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,522 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,522 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,522 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,522 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,523 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,523 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,525 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,525 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,525 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,525 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,526 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,526 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,526 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,527 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,527 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,527 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,527 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,527 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,528 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,528 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,529 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,529 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,529 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,529 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,530 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,530 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,530 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,530 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,531 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,531 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,531 WARN L313 ript$VariableManager]: TermVariabe thread5Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,531 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,532 WARN L313 ript$VariableManager]: TermVariabe thread5Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,532 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,533 WARN L313 ript$VariableManager]: TermVariabe thread5Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,533 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,533 WARN L313 ript$VariableManager]: TermVariabe thread5Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,533 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,534 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,534 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,534 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,535 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,535 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,535 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,535 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,536 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,536 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,536 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,536 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,537 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,537 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,537 WARN L313 ript$VariableManager]: TermVariabe thread6Thread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,538 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,538 WARN L313 ript$VariableManager]: TermVariabe thread6Thread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,538 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,539 WARN L313 ript$VariableManager]: TermVariabe thread6Thread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,539 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,539 WARN L313 ript$VariableManager]: TermVariabe thread6Thread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,542 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,543 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,543 WARN L313 ript$VariableManager]: TermVariabe thread5Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,543 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,544 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,546 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,546 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,547 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,547 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,547 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,547 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,548 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~pre7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,548 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,548 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,548 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,549 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,549 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,552 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,552 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,553 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,553 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,553 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,555 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,555 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,555 WARN L313 ript$VariableManager]: TermVariabe thread6Thread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,556 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,556 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,558 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,558 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,559 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,559 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,559 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~pre15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,559 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,560 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~pre13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,560 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,560 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,560 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,561 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,561 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~mem17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,563 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork5_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,564 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,564 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,564 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,564 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,566 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,566 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,566 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,567 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,567 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,568 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork5_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,569 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,569 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,569 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,569 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,571 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,571 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,572 WARN L313 ript$VariableManager]: TermVariabe thread5Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,572 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,572 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,574 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,574 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,575 WARN L313 ript$VariableManager]: TermVariabe thread6Thread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,575 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,575 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 09:17:43,616 INFO L148 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2021-10-28 09:17:43,704 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 09:17:43,719 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 [2021-10-28 09:17:43,719 INFO L340 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2021-10-28 09:17:43,746 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 249 places, 244 transitions, 560 flow [2021-10-28 09:17:43,895 INFO L129 PetriNetUnfolder]: 14/216 cut-off events. [2021-10-28 09:17:43,896 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-10-28 09:17:43,911 INFO L84 FinitePrefix]: Finished finitePrefix Result has 245 conditions, 216 events. 14/216 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 371 event pairs, 0 based on Foata normal form. 0/201 useless extension candidates. Maximal degree in co-relation 182. Up to 3 conditions per place. [2021-10-28 09:17:43,911 INFO L82 GeneralOperation]: Start removeDead. Operand has 249 places, 244 transitions, 560 flow [2021-10-28 09:17:43,921 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 213 places, 208 transitions, 464 flow [2021-10-28 09:17:43,988 INFO L129 PetriNetUnfolder]: 14/207 cut-off events. [2021-10-28 09:17:43,988 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-10-28 09:17:43,988 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 09:17:43,989 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:17:43,990 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err6INUSE_VIOLATION, thread1Err9INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2021-10-28 09:17:43,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:17:43,996 INFO L85 PathProgramCache]: Analyzing trace with hash 365121574, now seen corresponding path program 1 times [2021-10-28 09:17:44,006 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:17:44,011 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747502742] [2021-10-28 09:17:44,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:17:44,013 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:17:44,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:17:44,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:17:44,436 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:17:44,436 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747502742] [2021-10-28 09:17:44,439 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747502742] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:17:44,439 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:17:44,440 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:17:44,442 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021002005] [2021-10-28 09:17:44,453 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 09:17:44,454 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:17:44,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 09:17:44,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 09:17:44,472 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 248 [2021-10-28 09:17:44,477 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 213 places, 208 transitions, 464 flow. Second operand has 2 states, 2 states have (on average 243.0) internal successors, (486), 2 states have internal predecessors, (486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:17:44,477 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 09:17:44,477 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 248 [2021-10-28 09:17:44,479 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 09:17:44,548 INFO L129 PetriNetUnfolder]: 8/202 cut-off events. [2021-10-28 09:17:44,548 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-10-28 09:17:44,551 INFO L84 FinitePrefix]: Finished finitePrefix Result has 232 conditions, 202 events. 8/202 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 356 event pairs, 0 based on Foata normal form. 6/198 useless extension candidates. Maximal degree in co-relation 224. Up to 3 conditions per place. [2021-10-28 09:17:44,553 INFO L132 encePairwiseOnDemand]: 242/248 looper letters, 0 selfloop transitions, 0 changer transitions 2/202 dead transitions. [2021-10-28 09:17:44,553 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 214 places, 202 transitions, 452 flow [2021-10-28 09:17:44,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 09:17:44,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-10-28 09:17:44,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 488 transitions. [2021-10-28 09:17:44,579 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9838709677419355 [2021-10-28 09:17:44,580 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 488 transitions. [2021-10-28 09:17:44,580 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 488 transitions. [2021-10-28 09:17:44,583 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:17:44,585 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 488 transitions. [2021-10-28 09:17:44,590 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 244.0) internal successors, (488), 2 states have internal predecessors, (488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:17:44,599 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 248.0) internal successors, (744), 3 states have internal predecessors, (744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:17:44,600 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 248.0) internal successors, (744), 3 states have internal predecessors, (744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:17:44,602 INFO L186 Difference]: Start difference. First operand has 213 places, 208 transitions, 464 flow. Second operand 2 states and 488 transitions. [2021-10-28 09:17:44,604 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 214 places, 202 transitions, 452 flow [2021-10-28 09:17:44,610 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 202 places, 202 transitions, 420 flow, removed 0 selfloop flow, removed 12 redundant places. [2021-10-28 09:17:44,617 INFO L242 Difference]: Finished difference. Result has 202 places, 200 transitions, 416 flow [2021-10-28 09:17:44,620 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=248, PETRI_DIFFERENCE_MINUEND_FLOW=420, PETRI_DIFFERENCE_MINUEND_PLACES=201, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=202, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=202, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=416, PETRI_PLACES=202, PETRI_TRANSITIONS=200} [2021-10-28 09:17:44,621 INFO L334 CegarLoopForPetriNet]: 213 programPoint places, -11 predicate places. [2021-10-28 09:17:44,621 INFO L470 AbstractCegarLoop]: Abstraction has has 202 places, 200 transitions, 416 flow [2021-10-28 09:17:44,622 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 243.0) internal successors, (486), 2 states have internal predecessors, (486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:17:44,622 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 09:17:44,623 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:17:44,623 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 09:17:44,624 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err6INUSE_VIOLATION, thread1Err9INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2021-10-28 09:17:44,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:17:44,625 INFO L85 PathProgramCache]: Analyzing trace with hash -918824202, now seen corresponding path program 1 times [2021-10-28 09:17:44,625 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:17:44,625 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427462784] [2021-10-28 09:17:44,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:17:44,626 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:17:44,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:17:45,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:17:45,378 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:17:45,379 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427462784] [2021-10-28 09:17:45,379 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427462784] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:17:45,380 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:17:45,380 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-28 09:17:45,380 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899591127] [2021-10-28 09:17:45,384 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-28 09:17:45,384 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:17:45,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 09:17:45,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-28 09:17:45,399 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 248 [2021-10-28 09:17:45,402 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 200 transitions, 416 flow. Second operand has 7 states, 7 states have (on average 209.28571428571428) internal successors, (1465), 7 states have internal predecessors, (1465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:17:45,402 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 09:17:45,403 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 248 [2021-10-28 09:17:45,403 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 09:17:47,134 INFO L129 PetriNetUnfolder]: 1991/5020 cut-off events. [2021-10-28 09:17:47,134 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-28 09:17:47,188 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7498 conditions, 5020 events. 1991/5020 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 251. Compared 42792 event pairs, 1079 based on Foata normal form. 1/4637 useless extension candidates. Maximal degree in co-relation 7495. Up to 2431 conditions per place. [2021-10-28 09:17:47,259 INFO L132 encePairwiseOnDemand]: 238/248 looper letters, 33 selfloop transitions, 7 changer transitions 3/211 dead transitions. [2021-10-28 09:17:47,259 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 211 transitions, 524 flow [2021-10-28 09:17:47,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 09:17:47,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-10-28 09:17:47,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1493 transitions. [2021-10-28 09:17:47,269 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8600230414746544 [2021-10-28 09:17:47,270 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1493 transitions. [2021-10-28 09:17:47,270 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1493 transitions. [2021-10-28 09:17:47,271 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:17:47,272 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1493 transitions. [2021-10-28 09:17:47,279 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 213.28571428571428) internal successors, (1493), 7 states have internal predecessors, (1493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:17:47,287 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 248.0) internal successors, (1984), 8 states have internal predecessors, (1984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:17:47,289 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 248.0) internal successors, (1984), 8 states have internal predecessors, (1984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:17:47,290 INFO L186 Difference]: Start difference. First operand has 202 places, 200 transitions, 416 flow. Second operand 7 states and 1493 transitions. [2021-10-28 09:17:47,290 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 211 transitions, 524 flow [2021-10-28 09:17:47,296 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 211 transitions, 524 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-10-28 09:17:47,308 INFO L242 Difference]: Finished difference. Result has 209 places, 204 transitions, 457 flow [2021-10-28 09:17:47,308 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=248, PETRI_DIFFERENCE_MINUEND_FLOW=416, PETRI_DIFFERENCE_MINUEND_PLACES=200, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=200, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=193, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=457, PETRI_PLACES=209, PETRI_TRANSITIONS=204} [2021-10-28 09:17:47,309 INFO L334 CegarLoopForPetriNet]: 213 programPoint places, -4 predicate places. [2021-10-28 09:17:47,309 INFO L470 AbstractCegarLoop]: Abstraction has has 209 places, 204 transitions, 457 flow [2021-10-28 09:17:47,311 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 209.28571428571428) internal successors, (1465), 7 states have internal predecessors, (1465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:17:47,311 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 09:17:47,312 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:17:47,312 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 09:17:47,312 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err6INUSE_VIOLATION, thread1Err9INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2021-10-28 09:17:47,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:17:47,314 INFO L85 PathProgramCache]: Analyzing trace with hash -1784089476, now seen corresponding path program 1 times [2021-10-28 09:17:47,314 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:17:47,315 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421364206] [2021-10-28 09:17:47,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:17:47,315 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:17:47,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:17:47,642 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:17:47,642 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:17:47,643 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421364206] [2021-10-28 09:17:47,643 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421364206] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:17:47,643 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:17:47,643 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:17:47,644 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594901028] [2021-10-28 09:17:47,644 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:17:47,645 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:17:47,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:17:47,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:17:47,647 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 234 out of 248 [2021-10-28 09:17:47,648 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 204 transitions, 457 flow. Second operand has 3 states, 3 states have (on average 235.66666666666666) internal successors, (707), 3 states have internal predecessors, (707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:17:47,649 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 09:17:47,649 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 234 of 248 [2021-10-28 09:17:47,649 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 09:17:47,806 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([725] thread4EXIT-->L238-2: Formula: (and (= v_thread4Thread1of1ForFork4_thidvar1_4 0) (= v_thread4Thread1of1ForFork4_thidvar0_4 (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem40_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) (= v_thread4Thread1of1ForFork4_thidvar3_4 0) (= v_thread4Thread1of1ForFork4_thidvar4_4 0) (= v_thread4Thread1of1ForFork4_thidvar2_4 0) (= v_thread4Thread1of1ForFork4_thidvar5_4 0) (= v_thread4Thread1of1ForFork4_thidvar6_4 0)) InVars {thread4Thread1of1ForFork4_thidvar0=v_thread4Thread1of1ForFork4_thidvar0_4, ULTIMATE.start_main_#t~mem40=|v_ULTIMATE.start_main_#t~mem40_5|, thread4Thread1of1ForFork4_thidvar5=v_thread4Thread1of1ForFork4_thidvar5_4, thread4Thread1of1ForFork4_thidvar6=v_thread4Thread1of1ForFork4_thidvar6_4, thread4Thread1of1ForFork4_thidvar1=v_thread4Thread1of1ForFork4_thidvar1_4, thread4Thread1of1ForFork4_thidvar2=v_thread4Thread1of1ForFork4_thidvar2_4, thread4Thread1of1ForFork4_thidvar3=v_thread4Thread1of1ForFork4_thidvar3_4, thread4Thread1of1ForFork4_thidvar4=v_thread4Thread1of1ForFork4_thidvar4_4} OutVars{thread4Thread1of1ForFork4_thidvar0=v_thread4Thread1of1ForFork4_thidvar0_4, ULTIMATE.start_main_#t~mem40=|v_ULTIMATE.start_main_#t~mem40_5|, thread4Thread1of1ForFork4_thidvar5=v_thread4Thread1of1ForFork4_thidvar5_4, thread4Thread1of1ForFork4_thidvar6=v_thread4Thread1of1ForFork4_thidvar6_4, thread4Thread1of1ForFork4_thidvar1=v_thread4Thread1of1ForFork4_thidvar1_4, thread4Thread1of1ForFork4_thidvar2=v_thread4Thread1of1ForFork4_thidvar2_4, thread4Thread1of1ForFork4_thidvar3=v_thread4Thread1of1ForFork4_thidvar3_4, thread4Thread1of1ForFork4_thidvar4=v_thread4Thread1of1ForFork4_thidvar4_4} AuxVars[] AssignedVars[][198], [195#L238-2true, 255#true, 274#(= ~f2_3~0 0), 252#true, Black: 265#(and (= (+ ~x_0~0 (* 4294967296 (div ~x_8~0 4294967296))) (+ ~x_8~0 (* 4294967296 (div ~x_0~0 4294967296)))) (= (+ ~y_1~0 (* 4294967296 (div ~y_9~0 4294967296))) (+ ~y_9~0 (* 4294967296 (div ~y_1~0 4294967296)))) (= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0)), Black: 259#(and (= (+ ~x_0~0 (* 4294967296 (div ~x_8~0 4294967296))) (+ ~x_8~0 (* 4294967296 (div ~x_0~0 4294967296)))) (= (+ ~y_1~0 (* 4294967296 (div ~y_9~0 4294967296))) (+ ~y_9~0 (* 4294967296 (div ~y_1~0 4294967296))))), Black: 267#(and (= ULTIMATE.start_assume_abort_if_not_~cond 0) (= (+ ~x_0~0 (* 4294967296 (div ~x_8~0 4294967296))) (+ ~x_8~0 (* 4294967296 (div ~x_0~0 4294967296)))) (= (+ ~y_1~0 (* 4294967296 (div ~y_9~0 4294967296))) (+ ~y_9~0 (* 4294967296 (div ~y_1~0 4294967296)))) (= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0))]) [2021-10-28 09:17:47,807 INFO L384 tUnfolder$Statistics]: this new event has 160 ancestors and is not cut-off event [2021-10-28 09:17:47,807 INFO L387 tUnfolder$Statistics]: existing Event has 160 ancestors and is not cut-off event [2021-10-28 09:17:47,807 INFO L387 tUnfolder$Statistics]: existing Event has 180 ancestors and is not cut-off event [2021-10-28 09:17:47,808 INFO L387 tUnfolder$Statistics]: existing Event has 170 ancestors and is not cut-off event [2021-10-28 09:17:47,818 INFO L129 PetriNetUnfolder]: 88/625 cut-off events. [2021-10-28 09:17:47,818 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-28 09:17:47,827 INFO L84 FinitePrefix]: Finished finitePrefix Result has 753 conditions, 625 events. 88/625 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 3092 event pairs, 10 based on Foata normal form. 5/575 useless extension candidates. Maximal degree in co-relation 746. Up to 71 conditions per place. [2021-10-28 09:17:47,833 INFO L132 encePairwiseOnDemand]: 242/248 looper letters, 3 selfloop transitions, 5 changer transitions 0/205 dead transitions. [2021-10-28 09:17:47,833 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 205 transitions, 475 flow [2021-10-28 09:17:47,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:17:47,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-28 09:17:47,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 711 transitions. [2021-10-28 09:17:47,837 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9556451612903226 [2021-10-28 09:17:47,837 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 711 transitions. [2021-10-28 09:17:47,838 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 711 transitions. [2021-10-28 09:17:47,838 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:17:47,839 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 711 transitions. [2021-10-28 09:17:47,842 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 237.0) internal successors, (711), 3 states have internal predecessors, (711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:17:47,845 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 248.0) internal successors, (992), 4 states have internal predecessors, (992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:17:47,846 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 248.0) internal successors, (992), 4 states have internal predecessors, (992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:17:47,847 INFO L186 Difference]: Start difference. First operand has 209 places, 204 transitions, 457 flow. Second operand 3 states and 711 transitions. [2021-10-28 09:17:47,847 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 205 transitions, 475 flow [2021-10-28 09:17:47,851 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 205 transitions, 462 flow, removed 2 selfloop flow, removed 5 redundant places. [2021-10-28 09:17:47,856 INFO L242 Difference]: Finished difference. Result has 205 places, 204 transitions, 461 flow [2021-10-28 09:17:47,857 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=248, PETRI_DIFFERENCE_MINUEND_FLOW=444, PETRI_DIFFERENCE_MINUEND_PLACES=202, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=204, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=199, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=461, PETRI_PLACES=205, PETRI_TRANSITIONS=204} [2021-10-28 09:17:47,857 INFO L334 CegarLoopForPetriNet]: 213 programPoint places, -8 predicate places. [2021-10-28 09:17:47,857 INFO L470 AbstractCegarLoop]: Abstraction has has 205 places, 204 transitions, 461 flow [2021-10-28 09:17:47,859 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 235.66666666666666) internal successors, (707), 3 states have internal predecessors, (707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:17:47,859 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 09:17:47,859 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:17:47,859 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 09:17:47,860 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err6INUSE_VIOLATION, thread1Err9INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2021-10-28 09:17:47,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:17:47,862 INFO L85 PathProgramCache]: Analyzing trace with hash -1595963048, now seen corresponding path program 1 times [2021-10-28 09:17:47,863 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:17:47,863 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77816406] [2021-10-28 09:17:47,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:17:47,863 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:17:48,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:17:48,151 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:17:48,151 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:17:48,151 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77816406] [2021-10-28 09:17:48,152 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77816406] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:17:48,152 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:17:48,152 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:17:48,153 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606381867] [2021-10-28 09:17:48,154 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:17:48,154 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:17:48,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:17:48,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:17:48,163 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 234 out of 248 [2021-10-28 09:17:48,170 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 205 places, 204 transitions, 461 flow. Second operand has 3 states, 3 states have (on average 235.66666666666666) internal successors, (707), 3 states have internal predecessors, (707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:17:48,171 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 09:17:48,171 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 234 of 248 [2021-10-28 09:17:48,171 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 09:17:48,343 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([725] thread4EXIT-->L238-2: Formula: (and (= v_thread4Thread1of1ForFork4_thidvar1_4 0) (= v_thread4Thread1of1ForFork4_thidvar0_4 (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem40_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) (= v_thread4Thread1of1ForFork4_thidvar3_4 0) (= v_thread4Thread1of1ForFork4_thidvar4_4 0) (= v_thread4Thread1of1ForFork4_thidvar2_4 0) (= v_thread4Thread1of1ForFork4_thidvar5_4 0) (= v_thread4Thread1of1ForFork4_thidvar6_4 0)) InVars {thread4Thread1of1ForFork4_thidvar0=v_thread4Thread1of1ForFork4_thidvar0_4, ULTIMATE.start_main_#t~mem40=|v_ULTIMATE.start_main_#t~mem40_5|, thread4Thread1of1ForFork4_thidvar5=v_thread4Thread1of1ForFork4_thidvar5_4, thread4Thread1of1ForFork4_thidvar6=v_thread4Thread1of1ForFork4_thidvar6_4, thread4Thread1of1ForFork4_thidvar1=v_thread4Thread1of1ForFork4_thidvar1_4, thread4Thread1of1ForFork4_thidvar2=v_thread4Thread1of1ForFork4_thidvar2_4, thread4Thread1of1ForFork4_thidvar3=v_thread4Thread1of1ForFork4_thidvar3_4, thread4Thread1of1ForFork4_thidvar4=v_thread4Thread1of1ForFork4_thidvar4_4} OutVars{thread4Thread1of1ForFork4_thidvar0=v_thread4Thread1of1ForFork4_thidvar0_4, ULTIMATE.start_main_#t~mem40=|v_ULTIMATE.start_main_#t~mem40_5|, thread4Thread1of1ForFork4_thidvar5=v_thread4Thread1of1ForFork4_thidvar5_4, thread4Thread1of1ForFork4_thidvar6=v_thread4Thread1of1ForFork4_thidvar6_4, thread4Thread1of1ForFork4_thidvar1=v_thread4Thread1of1ForFork4_thidvar1_4, thread4Thread1of1ForFork4_thidvar2=v_thread4Thread1of1ForFork4_thidvar2_4, thread4Thread1of1ForFork4_thidvar3=v_thread4Thread1of1ForFork4_thidvar3_4, thread4Thread1of1ForFork4_thidvar4=v_thread4Thread1of1ForFork4_thidvar4_4} AuxVars[] AssignedVars[][198], [195#L238-2true, 274#(= ~f2_3~0 0), 252#true, 279#(= ~f2_11~0 0), Black: 259#(and (= (+ ~x_0~0 (* 4294967296 (div ~x_8~0 4294967296))) (+ ~x_8~0 (* 4294967296 (div ~x_0~0 4294967296)))) (= (+ ~y_1~0 (* 4294967296 (div ~y_9~0 4294967296))) (+ ~y_9~0 (* 4294967296 (div ~y_1~0 4294967296)))))]) [2021-10-28 09:17:48,343 INFO L384 tUnfolder$Statistics]: this new event has 160 ancestors and is not cut-off event [2021-10-28 09:17:48,344 INFO L387 tUnfolder$Statistics]: existing Event has 160 ancestors and is not cut-off event [2021-10-28 09:17:48,344 INFO L387 tUnfolder$Statistics]: existing Event has 170 ancestors and is not cut-off event [2021-10-28 09:17:48,346 INFO L387 tUnfolder$Statistics]: existing Event has 180 ancestors and is not cut-off event [2021-10-28 09:17:48,355 INFO L129 PetriNetUnfolder]: 79/627 cut-off events. [2021-10-28 09:17:48,356 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-10-28 09:17:48,364 INFO L84 FinitePrefix]: Finished finitePrefix Result has 785 conditions, 627 events. 79/627 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 3097 event pairs, 13 based on Foata normal form. 5/581 useless extension candidates. Maximal degree in co-relation 779. Up to 74 conditions per place. [2021-10-28 09:17:48,369 INFO L132 encePairwiseOnDemand]: 242/248 looper letters, 3 selfloop transitions, 5 changer transitions 0/205 dead transitions. [2021-10-28 09:17:48,369 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 205 transitions, 479 flow [2021-10-28 09:17:48,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:17:48,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-28 09:17:48,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 711 transitions. [2021-10-28 09:17:48,373 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9556451612903226 [2021-10-28 09:17:48,373 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 711 transitions. [2021-10-28 09:17:48,374 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 711 transitions. [2021-10-28 09:17:48,375 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:17:48,375 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 711 transitions. [2021-10-28 09:17:48,378 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 237.0) internal successors, (711), 3 states have internal predecessors, (711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:17:48,381 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 248.0) internal successors, (992), 4 states have internal predecessors, (992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:17:48,382 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 248.0) internal successors, (992), 4 states have internal predecessors, (992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:17:48,383 INFO L186 Difference]: Start difference. First operand has 205 places, 204 transitions, 461 flow. Second operand 3 states and 711 transitions. [2021-10-28 09:17:48,383 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 207 places, 205 transitions, 479 flow [2021-10-28 09:17:48,386 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 205 transitions, 469 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-28 09:17:48,391 INFO L242 Difference]: Finished difference. Result has 206 places, 204 transitions, 468 flow [2021-10-28 09:17:48,392 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=248, PETRI_DIFFERENCE_MINUEND_FLOW=451, PETRI_DIFFERENCE_MINUEND_PLACES=203, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=204, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=199, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=468, PETRI_PLACES=206, PETRI_TRANSITIONS=204} [2021-10-28 09:17:48,392 INFO L334 CegarLoopForPetriNet]: 213 programPoint places, -7 predicate places. [2021-10-28 09:17:48,392 INFO L470 AbstractCegarLoop]: Abstraction has has 206 places, 204 transitions, 468 flow [2021-10-28 09:17:48,394 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 235.66666666666666) internal successors, (707), 3 states have internal predecessors, (707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:17:48,394 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 09:17:48,394 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:17:48,394 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 09:17:48,395 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err6INUSE_VIOLATION, thread1Err9INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2021-10-28 09:17:48,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:17:48,395 INFO L85 PathProgramCache]: Analyzing trace with hash 1612517536, now seen corresponding path program 1 times [2021-10-28 09:17:48,396 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:17:48,396 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024571607] [2021-10-28 09:17:48,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:17:48,397 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:17:48,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:17:48,586 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:17:48,587 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:17:48,587 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024571607] [2021-10-28 09:17:48,587 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024571607] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:17:48,588 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:17:48,588 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:17:48,588 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907921640] [2021-10-28 09:17:48,589 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:17:48,589 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:17:48,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:17:48,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:17:48,592 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 234 out of 248 [2021-10-28 09:17:48,594 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 206 places, 204 transitions, 468 flow. Second operand has 3 states, 3 states have (on average 235.66666666666666) internal successors, (707), 3 states have internal predecessors, (707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:17:48,594 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 09:17:48,594 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 234 of 248 [2021-10-28 09:17:48,594 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 09:17:48,803 INFO L129 PetriNetUnfolder]: 131/771 cut-off events. [2021-10-28 09:17:48,803 INFO L130 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES. [2021-10-28 09:17:48,814 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1001 conditions, 771 events. 131/771 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 4127 event pairs, 28 based on Foata normal form. 14/705 useless extension candidates. Maximal degree in co-relation 994. Up to 109 conditions per place. [2021-10-28 09:17:48,821 INFO L132 encePairwiseOnDemand]: 242/248 looper letters, 3 selfloop transitions, 5 changer transitions 0/205 dead transitions. [2021-10-28 09:17:48,821 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 205 transitions, 486 flow [2021-10-28 09:17:48,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:17:48,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-28 09:17:48,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 711 transitions. [2021-10-28 09:17:48,825 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9556451612903226 [2021-10-28 09:17:48,825 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 711 transitions. [2021-10-28 09:17:48,825 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 711 transitions. [2021-10-28 09:17:48,826 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:17:48,826 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 711 transitions. [2021-10-28 09:17:48,829 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 237.0) internal successors, (711), 3 states have internal predecessors, (711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:17:48,832 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 248.0) internal successors, (992), 4 states have internal predecessors, (992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:17:48,833 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 248.0) internal successors, (992), 4 states have internal predecessors, (992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:17:48,834 INFO L186 Difference]: Start difference. First operand has 206 places, 204 transitions, 468 flow. Second operand 3 states and 711 transitions. [2021-10-28 09:17:48,834 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 208 places, 205 transitions, 486 flow [2021-10-28 09:17:48,837 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 205 transitions, 476 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-28 09:17:48,842 INFO L242 Difference]: Finished difference. Result has 207 places, 204 transitions, 475 flow [2021-10-28 09:17:48,843 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=248, PETRI_DIFFERENCE_MINUEND_FLOW=458, PETRI_DIFFERENCE_MINUEND_PLACES=204, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=204, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=199, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=475, PETRI_PLACES=207, PETRI_TRANSITIONS=204} [2021-10-28 09:17:48,843 INFO L334 CegarLoopForPetriNet]: 213 programPoint places, -6 predicate places. [2021-10-28 09:17:48,843 INFO L470 AbstractCegarLoop]: Abstraction has has 207 places, 204 transitions, 475 flow [2021-10-28 09:17:48,844 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 235.66666666666666) internal successors, (707), 3 states have internal predecessors, (707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:17:48,844 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 09:17:48,845 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:17:48,845 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 09:17:48,845 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err6INUSE_VIOLATION, thread1Err9INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2021-10-28 09:17:48,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:17:48,846 INFO L85 PathProgramCache]: Analyzing trace with hash 1294312288, now seen corresponding path program 1 times [2021-10-28 09:17:48,846 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:17:48,847 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092029720] [2021-10-28 09:17:48,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:17:48,847 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:17:48,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:17:49,012 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:17:49,013 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:17:49,013 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092029720] [2021-10-28 09:17:49,013 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092029720] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:17:49,014 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:17:49,014 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:17:49,014 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590795088] [2021-10-28 09:17:49,015 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:17:49,015 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:17:49,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:17:49,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:17:49,018 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 234 out of 248 [2021-10-28 09:17:49,020 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 204 transitions, 475 flow. Second operand has 3 states, 3 states have (on average 235.66666666666666) internal successors, (707), 3 states have internal predecessors, (707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:17:49,021 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 09:17:49,021 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 234 of 248 [2021-10-28 09:17:49,021 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 09:17:49,386 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([725] thread4EXIT-->L238-2: Formula: (and (= v_thread4Thread1of1ForFork4_thidvar1_4 0) (= v_thread4Thread1of1ForFork4_thidvar0_4 (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem40_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) (= v_thread4Thread1of1ForFork4_thidvar3_4 0) (= v_thread4Thread1of1ForFork4_thidvar4_4 0) (= v_thread4Thread1of1ForFork4_thidvar2_4 0) (= v_thread4Thread1of1ForFork4_thidvar5_4 0) (= v_thread4Thread1of1ForFork4_thidvar6_4 0)) InVars {thread4Thread1of1ForFork4_thidvar0=v_thread4Thread1of1ForFork4_thidvar0_4, ULTIMATE.start_main_#t~mem40=|v_ULTIMATE.start_main_#t~mem40_5|, thread4Thread1of1ForFork4_thidvar5=v_thread4Thread1of1ForFork4_thidvar5_4, thread4Thread1of1ForFork4_thidvar6=v_thread4Thread1of1ForFork4_thidvar6_4, thread4Thread1of1ForFork4_thidvar1=v_thread4Thread1of1ForFork4_thidvar1_4, thread4Thread1of1ForFork4_thidvar2=v_thread4Thread1of1ForFork4_thidvar2_4, thread4Thread1of1ForFork4_thidvar3=v_thread4Thread1of1ForFork4_thidvar3_4, thread4Thread1of1ForFork4_thidvar4=v_thread4Thread1of1ForFork4_thidvar4_4} OutVars{thread4Thread1of1ForFork4_thidvar0=v_thread4Thread1of1ForFork4_thidvar0_4, ULTIMATE.start_main_#t~mem40=|v_ULTIMATE.start_main_#t~mem40_5|, thread4Thread1of1ForFork4_thidvar5=v_thread4Thread1of1ForFork4_thidvar5_4, thread4Thread1of1ForFork4_thidvar6=v_thread4Thread1of1ForFork4_thidvar6_4, thread4Thread1of1ForFork4_thidvar1=v_thread4Thread1of1ForFork4_thidvar1_4, thread4Thread1of1ForFork4_thidvar2=v_thread4Thread1of1ForFork4_thidvar2_4, thread4Thread1of1ForFork4_thidvar3=v_thread4Thread1of1ForFork4_thidvar3_4, thread4Thread1of1ForFork4_thidvar4=v_thread4Thread1of1ForFork4_thidvar4_4} AuxVars[] AssignedVars[][198], [289#(= ~f1_10~0 0), 195#L238-2true, 284#(= ~f1_2~0 0), 252#true, Black: 259#(and (= (+ ~x_0~0 (* 4294967296 (div ~x_8~0 4294967296))) (+ ~x_8~0 (* 4294967296 (div ~x_0~0 4294967296)))) (= (+ ~y_1~0 (* 4294967296 (div ~y_9~0 4294967296))) (+ ~y_9~0 (* 4294967296 (div ~y_1~0 4294967296)))))]) [2021-10-28 09:17:49,387 INFO L384 tUnfolder$Statistics]: this new event has 170 ancestors and is not cut-off event [2021-10-28 09:17:49,387 INFO L387 tUnfolder$Statistics]: existing Event has 200 ancestors and is not cut-off event [2021-10-28 09:17:49,387 INFO L387 tUnfolder$Statistics]: existing Event has 190 ancestors and is not cut-off event [2021-10-28 09:17:49,387 INFO L387 tUnfolder$Statistics]: existing Event has 170 ancestors and is not cut-off event [2021-10-28 09:17:49,401 INFO L129 PetriNetUnfolder]: 207/1202 cut-off events. [2021-10-28 09:17:49,401 INFO L130 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2021-10-28 09:17:49,418 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1552 conditions, 1202 events. 207/1202 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 7648 event pairs, 40 based on Foata normal form. 10/1072 useless extension candidates. Maximal degree in co-relation 1544. Up to 169 conditions per place. [2021-10-28 09:17:49,429 INFO L132 encePairwiseOnDemand]: 242/248 looper letters, 3 selfloop transitions, 5 changer transitions 0/205 dead transitions. [2021-10-28 09:17:49,429 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 205 transitions, 493 flow [2021-10-28 09:17:49,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:17:49,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-28 09:17:49,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 711 transitions. [2021-10-28 09:17:49,433 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9556451612903226 [2021-10-28 09:17:49,433 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 711 transitions. [2021-10-28 09:17:49,433 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 711 transitions. [2021-10-28 09:17:49,434 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:17:49,434 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 711 transitions. [2021-10-28 09:17:49,437 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 237.0) internal successors, (711), 3 states have internal predecessors, (711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:17:49,440 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 248.0) internal successors, (992), 4 states have internal predecessors, (992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:17:49,441 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 248.0) internal successors, (992), 4 states have internal predecessors, (992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:17:49,441 INFO L186 Difference]: Start difference. First operand has 207 places, 204 transitions, 475 flow. Second operand 3 states and 711 transitions. [2021-10-28 09:17:49,441 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 205 transitions, 493 flow [2021-10-28 09:17:49,448 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 207 places, 205 transitions, 483 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-28 09:17:49,453 INFO L242 Difference]: Finished difference. Result has 208 places, 204 transitions, 482 flow [2021-10-28 09:17:49,454 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=248, PETRI_DIFFERENCE_MINUEND_FLOW=465, PETRI_DIFFERENCE_MINUEND_PLACES=205, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=204, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=199, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=482, PETRI_PLACES=208, PETRI_TRANSITIONS=204} [2021-10-28 09:17:49,454 INFO L334 CegarLoopForPetriNet]: 213 programPoint places, -5 predicate places. [2021-10-28 09:17:49,454 INFO L470 AbstractCegarLoop]: Abstraction has has 208 places, 204 transitions, 482 flow [2021-10-28 09:17:49,455 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 235.66666666666666) internal successors, (707), 3 states have internal predecessors, (707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:17:49,455 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 09:17:49,455 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:17:49,456 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-28 09:17:49,456 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err6INUSE_VIOLATION, thread1Err9INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2021-10-28 09:17:49,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:17:49,457 INFO L85 PathProgramCache]: Analyzing trace with hash -839325549, now seen corresponding path program 1 times [2021-10-28 09:17:49,457 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:17:49,457 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153540922] [2021-10-28 09:17:49,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:17:49,458 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:17:49,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:17:49,599 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:17:49,599 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:17:49,599 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153540922] [2021-10-28 09:17:49,600 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153540922] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:17:49,600 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:17:49,600 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:17:49,600 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544245151] [2021-10-28 09:17:49,601 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:17:49,601 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:17:49,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:17:49,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:17:49,609 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 234 out of 248 [2021-10-28 09:17:49,611 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 208 places, 204 transitions, 482 flow. Second operand has 3 states, 3 states have (on average 236.33333333333334) internal successors, (709), 3 states have internal predecessors, (709), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:17:49,611 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 09:17:49,611 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 234 of 248 [2021-10-28 09:17:49,611 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 09:17:49,825 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([725] thread4EXIT-->L238-2: Formula: (and (= v_thread4Thread1of1ForFork4_thidvar1_4 0) (= v_thread4Thread1of1ForFork4_thidvar0_4 (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem40_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) (= v_thread4Thread1of1ForFork4_thidvar3_4 0) (= v_thread4Thread1of1ForFork4_thidvar4_4 0) (= v_thread4Thread1of1ForFork4_thidvar2_4 0) (= v_thread4Thread1of1ForFork4_thidvar5_4 0) (= v_thread4Thread1of1ForFork4_thidvar6_4 0)) InVars {thread4Thread1of1ForFork4_thidvar0=v_thread4Thread1of1ForFork4_thidvar0_4, ULTIMATE.start_main_#t~mem40=|v_ULTIMATE.start_main_#t~mem40_5|, thread4Thread1of1ForFork4_thidvar5=v_thread4Thread1of1ForFork4_thidvar5_4, thread4Thread1of1ForFork4_thidvar6=v_thread4Thread1of1ForFork4_thidvar6_4, thread4Thread1of1ForFork4_thidvar1=v_thread4Thread1of1ForFork4_thidvar1_4, thread4Thread1of1ForFork4_thidvar2=v_thread4Thread1of1ForFork4_thidvar2_4, thread4Thread1of1ForFork4_thidvar3=v_thread4Thread1of1ForFork4_thidvar3_4, thread4Thread1of1ForFork4_thidvar4=v_thread4Thread1of1ForFork4_thidvar4_4} OutVars{thread4Thread1of1ForFork4_thidvar0=v_thread4Thread1of1ForFork4_thidvar0_4, ULTIMATE.start_main_#t~mem40=|v_ULTIMATE.start_main_#t~mem40_5|, thread4Thread1of1ForFork4_thidvar5=v_thread4Thread1of1ForFork4_thidvar5_4, thread4Thread1of1ForFork4_thidvar6=v_thread4Thread1of1ForFork4_thidvar6_4, thread4Thread1of1ForFork4_thidvar1=v_thread4Thread1of1ForFork4_thidvar1_4, thread4Thread1of1ForFork4_thidvar2=v_thread4Thread1of1ForFork4_thidvar2_4, thread4Thread1of1ForFork4_thidvar3=v_thread4Thread1of1ForFork4_thidvar3_4, thread4Thread1of1ForFork4_thidvar4=v_thread4Thread1of1ForFork4_thidvar4_4} AuxVars[] AssignedVars[][197], [289#(= ~f1_10~0 0), 195#L238-2true, 292#true, 252#true, Black: 259#(and (= (+ ~x_0~0 (* 4294967296 (div ~x_8~0 4294967296))) (+ ~x_8~0 (* 4294967296 (div ~x_0~0 4294967296)))) (= (+ ~y_1~0 (* 4294967296 (div ~y_9~0 4294967296))) (+ ~y_9~0 (* 4294967296 (div ~y_1~0 4294967296)))))]) [2021-10-28 09:17:49,825 INFO L384 tUnfolder$Statistics]: this new event has 170 ancestors and is not cut-off event [2021-10-28 09:17:49,825 INFO L387 tUnfolder$Statistics]: existing Event has 200 ancestors and is not cut-off event [2021-10-28 09:17:49,825 INFO L387 tUnfolder$Statistics]: existing Event has 170 ancestors and is not cut-off event [2021-10-28 09:17:49,825 INFO L387 tUnfolder$Statistics]: existing Event has 190 ancestors and is not cut-off event [2021-10-28 09:17:49,835 INFO L129 PetriNetUnfolder]: 144/896 cut-off events. [2021-10-28 09:17:49,835 INFO L130 PetriNetUnfolder]: For 36/54 co-relation queries the response was YES. [2021-10-28 09:17:49,846 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1177 conditions, 896 events. 144/896 cut-off events. For 36/54 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 4924 event pairs, 27 based on Foata normal form. 18/805 useless extension candidates. Maximal degree in co-relation 1168. Up to 128 conditions per place. [2021-10-28 09:17:49,853 INFO L132 encePairwiseOnDemand]: 245/248 looper letters, 5 selfloop transitions, 2 changer transitions 0/204 dead transitions. [2021-10-28 09:17:49,853 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 210 places, 204 transitions, 496 flow [2021-10-28 09:17:49,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:17:49,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-28 09:17:49,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 710 transitions. [2021-10-28 09:17:49,857 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9543010752688172 [2021-10-28 09:17:49,857 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 710 transitions. [2021-10-28 09:17:49,857 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 710 transitions. [2021-10-28 09:17:49,858 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:17:49,858 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 710 transitions. [2021-10-28 09:17:49,860 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 236.66666666666666) internal successors, (710), 3 states have internal predecessors, (710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:17:49,863 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 248.0) internal successors, (992), 4 states have internal predecessors, (992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:17:49,864 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 248.0) internal successors, (992), 4 states have internal predecessors, (992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:17:49,864 INFO L186 Difference]: Start difference. First operand has 208 places, 204 transitions, 482 flow. Second operand 3 states and 710 transitions. [2021-10-28 09:17:49,864 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 210 places, 204 transitions, 496 flow [2021-10-28 09:17:49,867 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 208 places, 204 transitions, 486 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-28 09:17:49,871 INFO L242 Difference]: Finished difference. Result has 209 places, 204 transitions, 480 flow [2021-10-28 09:17:49,872 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=248, PETRI_DIFFERENCE_MINUEND_FLOW=472, PETRI_DIFFERENCE_MINUEND_PLACES=206, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=204, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=202, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=480, PETRI_PLACES=209, PETRI_TRANSITIONS=204} [2021-10-28 09:17:49,872 INFO L334 CegarLoopForPetriNet]: 213 programPoint places, -4 predicate places. [2021-10-28 09:17:49,872 INFO L470 AbstractCegarLoop]: Abstraction has has 209 places, 204 transitions, 480 flow [2021-10-28 09:17:49,873 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 236.33333333333334) internal successors, (709), 3 states have internal predecessors, (709), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:17:49,873 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 09:17:49,873 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:17:49,874 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-28 09:17:49,874 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err6INUSE_VIOLATION, thread1Err9INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2021-10-28 09:17:49,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:17:49,875 INFO L85 PathProgramCache]: Analyzing trace with hash -1243930521, now seen corresponding path program 2 times [2021-10-28 09:17:49,875 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:17:49,875 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421982192] [2021-10-28 09:17:49,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:17:49,876 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:17:49,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:17:49,995 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:17:49,995 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:17:49,995 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421982192] [2021-10-28 09:17:49,996 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421982192] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:17:49,996 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:17:49,996 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:17:49,996 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318476771] [2021-10-28 09:17:49,997 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:17:49,997 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:17:49,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:17:49,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:17:50,000 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 234 out of 248 [2021-10-28 09:17:50,001 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 204 transitions, 480 flow. Second operand has 3 states, 3 states have (on average 236.33333333333334) internal successors, (709), 3 states have internal predecessors, (709), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:17:50,001 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 09:17:50,001 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 234 of 248 [2021-10-28 09:17:50,002 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 09:17:50,171 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([725] thread4EXIT-->L238-2: Formula: (and (= v_thread4Thread1of1ForFork4_thidvar1_4 0) (= v_thread4Thread1of1ForFork4_thidvar0_4 (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem40_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) (= v_thread4Thread1of1ForFork4_thidvar3_4 0) (= v_thread4Thread1of1ForFork4_thidvar4_4 0) (= v_thread4Thread1of1ForFork4_thidvar2_4 0) (= v_thread4Thread1of1ForFork4_thidvar5_4 0) (= v_thread4Thread1of1ForFork4_thidvar6_4 0)) InVars {thread4Thread1of1ForFork4_thidvar0=v_thread4Thread1of1ForFork4_thidvar0_4, ULTIMATE.start_main_#t~mem40=|v_ULTIMATE.start_main_#t~mem40_5|, thread4Thread1of1ForFork4_thidvar5=v_thread4Thread1of1ForFork4_thidvar5_4, thread4Thread1of1ForFork4_thidvar6=v_thread4Thread1of1ForFork4_thidvar6_4, thread4Thread1of1ForFork4_thidvar1=v_thread4Thread1of1ForFork4_thidvar1_4, thread4Thread1of1ForFork4_thidvar2=v_thread4Thread1of1ForFork4_thidvar2_4, thread4Thread1of1ForFork4_thidvar3=v_thread4Thread1of1ForFork4_thidvar3_4, thread4Thread1of1ForFork4_thidvar4=v_thread4Thread1of1ForFork4_thidvar4_4} OutVars{thread4Thread1of1ForFork4_thidvar0=v_thread4Thread1of1ForFork4_thidvar0_4, ULTIMATE.start_main_#t~mem40=|v_ULTIMATE.start_main_#t~mem40_5|, thread4Thread1of1ForFork4_thidvar5=v_thread4Thread1of1ForFork4_thidvar5_4, thread4Thread1of1ForFork4_thidvar6=v_thread4Thread1of1ForFork4_thidvar6_4, thread4Thread1of1ForFork4_thidvar1=v_thread4Thread1of1ForFork4_thidvar1_4, thread4Thread1of1ForFork4_thidvar2=v_thread4Thread1of1ForFork4_thidvar2_4, thread4Thread1of1ForFork4_thidvar3=v_thread4Thread1of1ForFork4_thidvar3_4, thread4Thread1of1ForFork4_thidvar4=v_thread4Thread1of1ForFork4_thidvar4_4} AuxVars[] AssignedVars[][197], [297#true, 195#L238-2true, 292#true, Black: 294#(= ~f1_2~0 1), 252#true, Black: 259#(and (= (+ ~x_0~0 (* 4294967296 (div ~x_8~0 4294967296))) (+ ~x_8~0 (* 4294967296 (div ~x_0~0 4294967296)))) (= (+ ~y_1~0 (* 4294967296 (div ~y_9~0 4294967296))) (+ ~y_9~0 (* 4294967296 (div ~y_1~0 4294967296)))))]) [2021-10-28 09:17:50,171 INFO L384 tUnfolder$Statistics]: this new event has 170 ancestors and is not cut-off event [2021-10-28 09:17:50,172 INFO L387 tUnfolder$Statistics]: existing Event has 200 ancestors and is not cut-off event [2021-10-28 09:17:50,172 INFO L387 tUnfolder$Statistics]: existing Event has 190 ancestors and is not cut-off event [2021-10-28 09:17:50,172 INFO L387 tUnfolder$Statistics]: existing Event has 170 ancestors and is not cut-off event [2021-10-28 09:17:50,183 INFO L129 PetriNetUnfolder]: 142/884 cut-off events. [2021-10-28 09:17:50,183 INFO L130 PetriNetUnfolder]: For 42/54 co-relation queries the response was YES. [2021-10-28 09:17:50,195 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1204 conditions, 884 events. 142/884 cut-off events. For 42/54 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 4911 event pairs, 27 based on Foata normal form. 12/788 useless extension candidates. Maximal degree in co-relation 1194. Up to 127 conditions per place. [2021-10-28 09:17:50,201 INFO L132 encePairwiseOnDemand]: 245/248 looper letters, 5 selfloop transitions, 2 changer transitions 0/204 dead transitions. [2021-10-28 09:17:50,202 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 211 places, 204 transitions, 494 flow [2021-10-28 09:17:50,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:17:50,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-28 09:17:50,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 710 transitions. [2021-10-28 09:17:50,205 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9543010752688172 [2021-10-28 09:17:50,205 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 710 transitions. [2021-10-28 09:17:50,206 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 710 transitions. [2021-10-28 09:17:50,206 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:17:50,207 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 710 transitions. [2021-10-28 09:17:50,211 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 236.66666666666666) internal successors, (710), 3 states have internal predecessors, (710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:17:50,213 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 248.0) internal successors, (992), 4 states have internal predecessors, (992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:17:50,214 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 248.0) internal successors, (992), 4 states have internal predecessors, (992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:17:50,214 INFO L186 Difference]: Start difference. First operand has 209 places, 204 transitions, 480 flow. Second operand 3 states and 710 transitions. [2021-10-28 09:17:50,215 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 211 places, 204 transitions, 494 flow [2021-10-28 09:17:50,218 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 209 places, 204 transitions, 490 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-28 09:17:50,222 INFO L242 Difference]: Finished difference. Result has 210 places, 204 transitions, 484 flow [2021-10-28 09:17:50,223 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=248, PETRI_DIFFERENCE_MINUEND_FLOW=476, PETRI_DIFFERENCE_MINUEND_PLACES=207, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=204, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=202, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=484, PETRI_PLACES=210, PETRI_TRANSITIONS=204} [2021-10-28 09:17:50,223 INFO L334 CegarLoopForPetriNet]: 213 programPoint places, -3 predicate places. [2021-10-28 09:17:50,223 INFO L470 AbstractCegarLoop]: Abstraction has has 210 places, 204 transitions, 484 flow [2021-10-28 09:17:50,224 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 236.33333333333334) internal successors, (709), 3 states have internal predecessors, (709), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:17:50,224 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 09:17:50,225 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:17:50,225 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-28 09:17:50,225 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err6INUSE_VIOLATION, thread1Err9INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2021-10-28 09:17:50,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:17:50,226 INFO L85 PathProgramCache]: Analyzing trace with hash 1117623615, now seen corresponding path program 3 times [2021-10-28 09:17:50,226 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:17:50,226 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483643903] [2021-10-28 09:17:50,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:17:50,227 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:17:50,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:17:50,295 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:17:50,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:17:50,480 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:17:50,480 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-28 09:17:50,481 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:17:50,483 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6INUSE_VIOLATION [2021-10-28 09:17:50,483 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err9INUSE_VIOLATION [2021-10-28 09:17:50,483 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-28 09:17:50,484 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8INUSE_VIOLATION [2021-10-28 09:17:50,484 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread4Err1INUSE_VIOLATION [2021-10-28 09:17:50,484 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread4Err3INUSE_VIOLATION [2021-10-28 09:17:50,484 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Thread1of1ForFork1Err2INUSE_VIOLATION [2021-10-28 09:17:50,484 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Thread1of1ForFork1Err7INUSE_VIOLATION [2021-10-28 09:17:50,484 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread4Thread1of1ForFork4Err4INUSE_VIOLATION [2021-10-28 09:17:50,485 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread4Thread1of1ForFork4Err5INUSE_VIOLATION [2021-10-28 09:17:50,485 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-28 09:17:50,488 INFO L731 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1, 1] [2021-10-28 09:17:50,493 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-28 09:17:50,493 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 09:17:50,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 09:17:50 BasicIcfg [2021-10-28 09:17:50,685 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 09:17:50,685 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:17:50,685 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:17:50,685 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:17:50,686 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:17:43" (3/4) ... [2021-10-28 09:17:50,688 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-28 09:17:50,875 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d31ac83a-279b-4e8b-9626-34a6823937e4/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 09:17:50,875 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:17:50,877 INFO L168 Benchmark]: Toolchain (without parser) took 8878.61 ms. Allocated memory was 92.3 MB in the beginning and 385.9 MB in the end (delta: 293.6 MB). Free memory was 58.9 MB in the beginning and 194.1 MB in the end (delta: -135.2 MB). Peak memory consumption was 157.7 MB. Max. memory is 16.1 GB. [2021-10-28 09:17:50,877 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 92.3 MB. Free memory is still 46.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:17:50,878 INFO L168 Benchmark]: CACSL2BoogieTranslator took 387.15 ms. Allocated memory is still 92.3 MB. Free memory was 58.6 MB in the beginning and 66.0 MB in the end (delta: -7.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:17:50,878 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.59 ms. Allocated memory is still 92.3 MB. Free memory was 66.0 MB in the beginning and 63.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:17:50,878 INFO L168 Benchmark]: Boogie Preprocessor took 32.25 ms. Allocated memory is still 92.3 MB. Free memory was 63.8 MB in the beginning and 62.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:17:50,879 INFO L168 Benchmark]: RCFGBuilder took 923.04 ms. Allocated memory was 92.3 MB in the beginning and 119.5 MB in the end (delta: 27.3 MB). Free memory was 62.2 MB in the beginning and 91.7 MB in the end (delta: -29.6 MB). Peak memory consumption was 26.5 MB. Max. memory is 16.1 GB. [2021-10-28 09:17:50,880 INFO L168 Benchmark]: TraceAbstraction took 7285.87 ms. Allocated memory was 119.5 MB in the beginning and 385.9 MB in the end (delta: 266.3 MB). Free memory was 91.3 MB in the beginning and 248.7 MB in the end (delta: -157.3 MB). Peak memory consumption was 214.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:17:50,885 INFO L168 Benchmark]: Witness Printer took 189.99 ms. Allocated memory is still 385.9 MB. Free memory was 248.7 MB in the beginning and 194.1 MB in the end (delta: 54.5 MB). Peak memory consumption was 52.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:17:50,887 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 92.3 MB. Free memory is still 46.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 387.15 ms. Allocated memory is still 92.3 MB. Free memory was 58.6 MB in the beginning and 66.0 MB in the end (delta: -7.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 53.59 ms. Allocated memory is still 92.3 MB. Free memory was 66.0 MB in the beginning and 63.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 32.25 ms. Allocated memory is still 92.3 MB. Free memory was 63.8 MB in the beginning and 62.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 923.04 ms. Allocated memory was 92.3 MB in the beginning and 119.5 MB in the end (delta: 27.3 MB). Free memory was 62.2 MB in the beginning and 91.7 MB in the end (delta: -29.6 MB). Peak memory consumption was 26.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 7285.87 ms. Allocated memory was 119.5 MB in the beginning and 385.9 MB in the end (delta: 266.3 MB). Free memory was 91.3 MB in the beginning and 248.7 MB in the end (delta: -157.3 MB). Peak memory consumption was 214.1 MB. Max. memory is 16.1 GB. * Witness Printer took 189.99 ms. Allocated memory is still 385.9 MB. Free memory was 248.7 MB in the beginning and 194.1 MB in the end (delta: 54.5 MB). Peak memory consumption was 52.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 241]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L38] 0 unsigned int x_0, y_1, x_8, y_9; VAL [x_0=0, x_8=0, y_1=0, y_9=0] [L39] 0 _Bool f1_2, f2_3, f1_10, f2_11; VAL [f1_10=0, f1_2=0, f2_11=0, f2_3=0, x_0=0, x_8=0, y_1=0, y_9=0] [L40] 0 unsigned int temp_4, temp_5, temp_6, temp_7, temp_12, temp_13, temp_14, temp_15; VAL [f1_10=0, f1_2=0, f2_11=0, f2_3=0, temp_12=0, temp_13=0, temp_14=0, temp_15=0, temp_4=0, temp_5=0, temp_6=0, temp_7=0, x_0=0, x_8=0, y_1=0, y_9=0] [L212] 0 pthread_t t1, t4; VAL [f1_10=0, f1_2=0, f2_11=0, f2_3=0, temp_12=0, temp_13=0, temp_14=0, temp_15=0, temp_4=0, temp_5=0, temp_6=0, temp_7=0, x_0=0, x_8=0, y_1=0, y_9=0] [L215] 0 x_0 = __VERIFIER_nondet_uint() VAL [f1_10=0, f1_2=0, f2_11=0, f2_3=0, temp_12=0, temp_13=0, temp_14=0, temp_15=0, temp_4=0, temp_5=0, temp_6=0, temp_7=0, x_0=10, x_8=0, y_1=0, y_9=0] [L216] 0 y_1 = __VERIFIER_nondet_uint() VAL [f1_10=0, f1_2=0, f2_11=0, f2_3=0, temp_12=0, temp_13=0, temp_14=0, temp_15=0, temp_4=0, temp_5=0, temp_6=0, temp_7=0, x_0=10, x_8=0, y_1=4294967305, y_9=0] [L217] 0 x_8 = __VERIFIER_nondet_uint() VAL [f1_10=0, f1_2=0, f2_11=0, f2_3=0, temp_12=0, temp_13=0, temp_14=0, temp_15=0, temp_4=0, temp_5=0, temp_6=0, temp_7=0, x_0=10, x_8=4294967306, y_1=4294967305, y_9=0] [L218] 0 y_9 = __VERIFIER_nondet_uint() VAL [f1_10=0, f1_2=0, f2_11=0, f2_3=0, temp_12=0, temp_13=0, temp_14=0, temp_15=0, temp_4=0, temp_5=0, temp_6=0, temp_7=0, x_0=10, x_8=4294967306, y_1=4294967305, y_9=9] [L219] 0 temp_4 = __VERIFIER_nondet_uint() VAL [f1_10=0, f1_2=0, f2_11=0, f2_3=0, temp_12=0, temp_13=0, temp_14=0, temp_15=0, temp_4=4294967315, temp_5=0, temp_6=0, temp_7=0, x_0=10, x_8=4294967306, y_1=4294967305, y_9=9] [L220] 0 temp_5 = __VERIFIER_nondet_uint() VAL [f1_10=0, f1_2=0, f2_11=0, f2_3=0, temp_12=0, temp_13=0, temp_14=0, temp_15=0, temp_4=4294967315, temp_5=4294967318, temp_6=0, temp_7=0, x_0=10, x_8=4294967306, y_1=4294967305, y_9=9] [L221] 0 temp_6 = __VERIFIER_nondet_uint() VAL [f1_10=0, f1_2=0, f2_11=0, f2_3=0, temp_12=0, temp_13=0, temp_14=0, temp_15=0, temp_4=4294967315, temp_5=4294967318, temp_6=4294967308, temp_7=0, x_0=10, x_8=4294967306, y_1=4294967305, y_9=9] [L222] 0 temp_7 = __VERIFIER_nondet_uint() VAL [f1_10=0, f1_2=0, f2_11=0, f2_3=0, temp_12=0, temp_13=0, temp_14=0, temp_15=0, temp_4=4294967315, temp_5=4294967318, temp_6=4294967308, temp_7=4294967316, x_0=10, x_8=4294967306, y_1=4294967305, y_9=9] [L223] 0 temp_12 = __VERIFIER_nondet_uint() VAL [f1_10=0, f1_2=0, f2_11=0, f2_3=0, temp_12=4294967309, temp_13=0, temp_14=0, temp_15=0, temp_4=4294967315, temp_5=4294967318, temp_6=4294967308, temp_7=4294967316, x_0=10, x_8=4294967306, y_1=4294967305, y_9=9] [L224] 0 temp_13 = __VERIFIER_nondet_uint() VAL [f1_10=0, f1_2=0, f2_11=0, f2_3=0, temp_12=4294967309, temp_13=4294967317, temp_14=0, temp_15=0, temp_4=4294967315, temp_5=4294967318, temp_6=4294967308, temp_7=4294967316, x_0=10, x_8=4294967306, y_1=4294967305, y_9=9] [L225] 0 temp_14 = __VERIFIER_nondet_uint() VAL [f1_10=0, f1_2=0, f2_11=0, f2_3=0, temp_12=4294967309, temp_13=4294967317, temp_14=4294967312, temp_15=0, temp_4=4294967315, temp_5=4294967318, temp_6=4294967308, temp_7=4294967316, x_0=10, x_8=4294967306, y_1=4294967305, y_9=9] [L226] 0 temp_15 = __VERIFIER_nondet_uint() VAL [f1_10=0, f1_2=0, f2_11=0, f2_3=0, temp_12=4294967309, temp_13=4294967317, temp_14=4294967312, temp_15=4294967319, temp_4=4294967315, temp_5=4294967318, temp_6=4294967308, temp_7=4294967316, x_0=10, x_8=4294967306, y_1=4294967305, y_9=9] [L227] 0 f1_2 = __VERIFIER_nondet_bool() VAL [f1_10=0, f1_2=4294967313, f2_11=0, f2_3=0, temp_12=4294967309, temp_13=4294967317, temp_14=4294967312, temp_15=4294967319, temp_4=4294967315, temp_5=4294967318, temp_6=4294967308, temp_7=4294967316, x_0=10, x_8=4294967306, y_1=4294967305, y_9=9] [L228] 0 f2_3 = __VERIFIER_nondet_bool() VAL [f1_10=0, f1_2=4294967313, f2_11=0, f2_3=4294967310, temp_12=4294967309, temp_13=4294967317, temp_14=4294967312, temp_15=4294967319, temp_4=4294967315, temp_5=4294967318, temp_6=4294967308, temp_7=4294967316, x_0=10, x_8=4294967306, y_1=4294967305, y_9=9] [L229] 0 f1_10 = __VERIFIER_nondet_bool() VAL [f1_10=4294967314, f1_2=4294967313, f2_11=0, f2_3=4294967310, temp_12=4294967309, temp_13=4294967317, temp_14=4294967312, temp_15=4294967319, temp_4=4294967315, temp_5=4294967318, temp_6=4294967308, temp_7=4294967316, x_0=10, x_8=4294967306, y_1=4294967305, y_9=9] [L230] 0 f2_11 = __VERIFIER_nondet_bool() VAL [f1_10=4294967314, f1_2=4294967313, f2_11=4294967311, f2_3=4294967310, temp_12=4294967309, temp_13=4294967317, temp_14=4294967312, temp_15=4294967319, temp_4=4294967315, temp_5=4294967318, temp_6=4294967308, temp_7=4294967316, x_0=10, x_8=4294967306, y_1=4294967305, y_9=9] [L35] COND FALSE 0 !(!cond) VAL [f1_10=4294967314, f1_2=4294967313, f2_11=4294967311, f2_3=4294967310, temp_12=4294967309, temp_13=4294967317, temp_14=4294967312, temp_15=4294967319, temp_4=4294967315, temp_5=4294967318, temp_6=4294967308, temp_7=4294967316, x_0=10, x_8=4294967306, y_1=4294967305, y_9=9] [L235] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [f1_10=4294967314, f1_2=4294967313, f2_11=4294967311, f2_3=4294967310, temp_12=4294967309, temp_13=4294967317, temp_14=4294967312, temp_15=4294967319, temp_4=4294967315, temp_5=4294967318, temp_6=4294967308, temp_7=4294967316, x_0=10, x_8=4294967306, y_1=4294967305, y_9=9] [L112] 1 pthread_t t2, t3; VAL [f1_10=4294967314, f1_2=4294967313, f2_11=4294967311, f2_3=4294967310, t2={11:0}, t3={12:0}, temp_12=4294967309, temp_13=4294967317, temp_14=4294967312, temp_15=4294967319, temp_4=4294967315, temp_5=4294967318, temp_6=4294967308, temp_7=4294967316, x_0=10, x_8=4294967306, y_1=4294967305, y_9=9] [L115] 1 f1_2 = 0 [L116] 1 f2_3 = 0 VAL [f1_10=4294967314, f1_2=0, f2_11=4294967311, f2_3=0, t2={11:0}, t3={12:0}, temp_12=4294967309, temp_13=4294967317, temp_14=4294967312, temp_15=4294967319, temp_4=4294967315, temp_5=4294967318, temp_6=4294967308, temp_7=4294967316, x_0=10, x_8=4294967306, y_1=4294967305, y_9=9] [L119] FCALL, FORK 1 pthread_create(&t2, 0, thread2, 0) VAL [f1_10=4294967314, f1_2=0, f2_11=4294967311, f2_3=0, pthread_create(&t2, 0, thread2, 0)=-4, t2={11:0}, t3={12:0}, temp_12=4294967309, temp_13=4294967317, temp_14=4294967312, temp_15=4294967319, temp_4=4294967315, temp_5=4294967318, temp_6=4294967308, temp_7=4294967316, x_0=10, x_8=4294967306, y_1=4294967305, y_9=9] [L120] FCALL, FORK 1 pthread_create(&t3, 0, thread3, 0) VAL [f1_10=4294967314, f1_2=0, f2_11=4294967311, f2_3=0, pthread_create(&t3, 0, thread3, 0)=-3, t2={11:0}, t3={12:0}, temp_12=4294967309, temp_13=4294967317, temp_14=4294967312, temp_15=4294967319, temp_4=4294967315, temp_5=4294967318, temp_6=4294967308, temp_7=4294967316, x_0=10, x_8=4294967306, y_1=4294967305, y_9=9] [L121] 1 \read(t2) VAL [\read(t2)=-4, f1_10=4294967314, f1_2=0, f2_11=4294967311, f2_3=0, t2={11:0}, t3={12:0}, temp_12=4294967309, temp_13=4294967317, temp_14=4294967312, temp_15=4294967319, temp_4=4294967315, temp_5=4294967318, temp_6=4294967308, temp_7=4294967316, x_0=10, x_8=4294967306, y_1=4294967305, y_9=9] [L78] COND TRUE 3 __VERIFIER_nondet_bool() VAL [\read(t2)=-4, f1_10=4294967314, f1_2=0, f2_11=4294967311, f2_3=0, t2={11:0}, t3={12:0}, temp_12=4294967309, temp_13=4294967317, temp_14=4294967312, temp_15=4294967319, temp_4=4294967315, temp_5=4294967318, temp_6=4294967308, temp_7=4294967316, x_0=10, x_8=4294967306, y_1=4294967305, y_9=9] [L80] 3 temp_6 = y_1 VAL [\read(t2)=-4, f1_10=4294967314, f1_2=0, f2_11=4294967311, f2_3=0, t2={11:0}, t3={12:0}, temp_12=4294967309, temp_13=4294967317, temp_14=4294967312, temp_15=4294967319, temp_4=4294967315, temp_5=4294967318, temp_6=4294967305, temp_7=4294967316, x_0=10, x_8=4294967306, y_1=4294967305, y_9=9] [L44] COND TRUE 2 __VERIFIER_nondet_bool() VAL [\read(t2)=-4, f1_10=4294967314, f1_2=0, f2_11=4294967311, f2_3=0, t2={11:0}, t3={12:0}, temp_12=4294967309, temp_13=4294967317, temp_14=4294967312, temp_15=4294967319, temp_4=4294967315, temp_5=4294967318, temp_6=4294967305, temp_7=4294967316, x_0=10, x_8=4294967306, y_1=4294967305, y_9=9] [L46] 2 temp_4 = x_0 VAL [\read(t2)=-4, f1_10=4294967314, f1_2=0, f2_11=4294967311, f2_3=0, t2={11:0}, t3={12:0}, temp_12=4294967309, temp_13=4294967317, temp_14=4294967312, temp_15=4294967319, temp_4=10, temp_5=4294967318, temp_6=4294967305, temp_7=4294967316, x_0=10, x_8=4294967306, y_1=4294967305, y_9=9] [L49] 2 x_0 = temp_4 + 1 VAL [\read(t2)=-4, f1_10=4294967314, f1_2=0, f2_11=4294967311, f2_3=0, t2={11:0}, t3={12:0}, temp_12=4294967309, temp_13=4294967317, temp_14=4294967312, temp_15=4294967319, temp_4=10, temp_5=4294967318, temp_6=4294967305, temp_7=4294967316, x_0=11, x_8=4294967306, y_1=4294967305, y_9=9] [L83] 3 y_1 = temp_6 + 1 VAL [\read(t2)=-4, f1_10=4294967314, f1_2=0, f2_11=4294967311, f2_3=0, t2={11:0}, t3={12:0}, temp_12=4294967309, temp_13=4294967317, temp_14=4294967312, temp_15=4294967319, temp_4=10, temp_5=4294967318, temp_6=4294967305, temp_7=4294967316, x_0=11, x_8=4294967306, y_1=4294967306, y_9=9] [L87] 3 f2_3 = 1 VAL [\read(t2)=-4, f1_10=4294967314, f1_2=0, f2_11=4294967311, f2_3=1, t2={11:0}, t3={12:0}, temp_12=4294967309, temp_13=4294967317, temp_14=4294967312, temp_15=4294967319, temp_4=10, temp_5=4294967318, temp_6=4294967305, temp_7=4294967316, x_0=11, x_8=4294967306, y_1=4294967306, y_9=9] [L53] 2 f1_2 = 1 VAL [\read(t2)=-4, f1_10=4294967314, f1_2=1, f2_11=4294967311, f2_3=1, t2={11:0}, t3={12:0}, temp_12=4294967309, temp_13=4294967317, temp_14=4294967312, temp_15=4294967319, temp_4=10, temp_5=4294967318, temp_6=4294967305, temp_7=4294967316, x_0=11, x_8=4294967306, y_1=4294967306, y_9=9] [L35] COND FALSE 2 !(!cond) VAL [\read(t2)=-4, f1_10=4294967314, f1_2=1, f2_11=4294967311, f2_3=1, t2={11:0}, t3={12:0}, temp_12=4294967309, temp_13=4294967317, temp_14=4294967312, temp_15=4294967319, temp_4=10, temp_5=4294967318, temp_6=4294967305, temp_7=4294967316, x_0=11, x_8=4294967306, y_1=4294967306, y_9=9] [L35] COND FALSE 3 !(!cond) VAL [\read(t2)=-4, f1_10=4294967314, f1_2=1, f2_11=4294967311, f2_3=1, t2={11:0}, t3={12:0}, temp_12=4294967309, temp_13=4294967317, temp_14=4294967312, temp_15=4294967319, temp_4=10, temp_5=4294967318, temp_6=4294967305, temp_7=4294967316, x_0=11, x_8=4294967306, y_1=4294967306, y_9=9] [L94] 3 temp_7 = x_0 VAL [\read(t2)=-4, f1_10=4294967314, f1_2=1, f2_11=4294967311, f2_3=1, t2={11:0}, t3={12:0}, temp_12=4294967309, temp_13=4294967317, temp_14=4294967312, temp_15=4294967319, temp_4=10, temp_5=4294967318, temp_6=4294967305, temp_7=11, x_0=11, x_8=4294967306, y_1=4294967306, y_9=9] [L97] 3 x_0 = temp_7 + 1 VAL [\read(t2)=-4, f1_10=4294967314, f1_2=1, f2_11=4294967311, f2_3=1, t2={11:0}, t3={12:0}, temp_12=4294967309, temp_13=4294967317, temp_14=4294967312, temp_15=4294967319, temp_4=10, temp_5=4294967318, temp_6=4294967305, temp_7=11, x_0=12, x_8=4294967306, y_1=4294967306, y_9=9] [L101] 3 f2_3 = 0 VAL [\read(t2)=-4, f1_10=4294967314, f1_2=1, f2_11=4294967311, f2_3=0, t2={11:0}, t3={12:0}, temp_12=4294967309, temp_13=4294967317, temp_14=4294967312, temp_15=4294967319, temp_4=10, temp_5=4294967318, temp_6=4294967305, temp_7=11, x_0=12, x_8=4294967306, y_1=4294967306, y_9=9] [L60] 2 temp_5 = y_1 VAL [\read(t2)=-4, f1_10=4294967314, f1_2=1, f2_11=4294967311, f2_3=0, t2={11:0}, t3={12:0}, temp_12=4294967309, temp_13=4294967317, temp_14=4294967312, temp_15=4294967319, temp_4=10, temp_5=4294967306, temp_6=4294967305, temp_7=11, x_0=12, x_8=4294967306, y_1=4294967306, y_9=9] [L63] 2 y_1 = temp_5 + 1 VAL [\read(t2)=-4, f1_10=4294967314, f1_2=1, f2_11=4294967311, f2_3=0, t2={11:0}, t3={12:0}, temp_12=4294967309, temp_13=4294967317, temp_14=4294967312, temp_15=4294967319, temp_4=10, temp_5=4294967306, temp_6=4294967305, temp_7=11, x_0=12, x_8=4294967306, y_1=4294967307, y_9=9] [L67] 2 f1_2 = 0 VAL [\read(t2)=-4, f1_10=4294967314, f1_2=0, f2_11=4294967311, f2_3=0, t2={11:0}, t3={12:0}, temp_12=4294967309, temp_13=4294967317, temp_14=4294967312, temp_15=4294967319, temp_4=10, temp_5=4294967306, temp_6=4294967305, temp_7=11, x_0=12, x_8=4294967306, y_1=4294967307, y_9=9] [L35] COND FALSE 2 !(!cond) VAL [\read(t2)=-4, f1_10=4294967314, f1_2=0, f2_11=4294967311, f2_3=0, t2={11:0}, t3={12:0}, temp_12=4294967309, temp_13=4294967317, temp_14=4294967312, temp_15=4294967319, temp_4=10, temp_5=4294967306, temp_6=4294967305, temp_7=11, x_0=12, x_8=4294967306, y_1=4294967307, y_9=9] [L44] COND FALSE 2 !(__VERIFIER_nondet_bool()) VAL [\read(t2)=-4, f1_10=4294967314, f1_2=0, f2_11=4294967311, f2_3=0, t2={11:0}, t3={12:0}, temp_12=4294967309, temp_13=4294967317, temp_14=4294967312, temp_15=4294967319, temp_4=10, temp_5=4294967306, temp_6=4294967305, temp_7=11, x_0=12, x_8=4294967306, y_1=4294967307, y_9=9] [L74] 2 return 0; VAL [\read(t2)=-4, f1_10=4294967314, f1_2=0, f2_11=4294967311, f2_3=0, t2={11:0}, t3={12:0}, temp_12=4294967309, temp_13=4294967317, temp_14=4294967312, temp_15=4294967319, temp_4=10, temp_5=4294967306, temp_6=4294967305, temp_7=11, x_0=12, x_8=4294967306, y_1=4294967307, y_9=9] [L121] FCALL, JOIN 2 pthread_join(t2, 0) VAL [\read(t2)=-4, f1_10=4294967314, f1_2=0, f2_11=4294967311, f2_3=0, t2={11:0}, t3={12:0}, temp_12=4294967309, temp_13=4294967317, temp_14=4294967312, temp_15=4294967319, temp_4=10, temp_5=4294967306, temp_6=4294967305, temp_7=11, x_0=12, x_8=4294967306, y_1=4294967307, y_9=9] [L122] 1 \read(t3) VAL [\read(t3)=-3, f1_10=4294967314, f1_2=0, f2_11=4294967311, f2_3=0, t2={11:0}, t3={12:0}, temp_12=4294967309, temp_13=4294967317, temp_14=4294967312, temp_15=4294967319, temp_4=10, temp_5=4294967306, temp_6=4294967305, temp_7=11, x_0=12, x_8=4294967306, y_1=4294967307, y_9=9] [L35] COND FALSE 3 !(!cond) VAL [\read(t3)=-3, f1_10=4294967314, f1_2=0, f2_11=4294967311, f2_3=0, t2={11:0}, t3={12:0}, temp_12=4294967309, temp_13=4294967317, temp_14=4294967312, temp_15=4294967319, temp_4=10, temp_5=4294967306, temp_6=4294967305, temp_7=11, x_0=12, x_8=4294967306, y_1=4294967307, y_9=9] [L78] COND FALSE 3 !(__VERIFIER_nondet_bool()) VAL [\read(t3)=-3, f1_10=4294967314, f1_2=0, f2_11=4294967311, f2_3=0, t2={11:0}, t3={12:0}, temp_12=4294967309, temp_13=4294967317, temp_14=4294967312, temp_15=4294967319, temp_4=10, temp_5=4294967306, temp_6=4294967305, temp_7=11, x_0=12, x_8=4294967306, y_1=4294967307, y_9=9] [L108] 3 return 0; VAL [\read(t3)=-3, f1_10=4294967314, f1_2=0, f2_11=4294967311, f2_3=0, t2={11:0}, t3={12:0}, temp_12=4294967309, temp_13=4294967317, temp_14=4294967312, temp_15=4294967319, temp_4=10, temp_5=4294967306, temp_6=4294967305, temp_7=11, x_0=12, x_8=4294967306, y_1=4294967307, y_9=9] [L122] FCALL, JOIN 3 pthread_join(t3, 0) VAL [\read(t3)=-3, f1_10=4294967314, f1_2=0, f2_11=4294967311, f2_3=0, t2={11:0}, t3={12:0}, temp_12=4294967309, temp_13=4294967317, temp_14=4294967312, temp_15=4294967319, temp_4=10, temp_5=4294967306, temp_6=4294967305, temp_7=11, x_0=12, x_8=4294967306, y_1=4294967307, y_9=9] [L124] 1 return 0; VAL [\result={0:0}, f1_10=4294967314, f1_2=0, f2_11=4294967311, f2_3=0, t2={11:0}, t3={12:0}, temp_12=4294967309, temp_13=4294967317, temp_14=4294967312, temp_15=4294967319, temp_4=10, temp_5=4294967306, temp_6=4294967305, temp_7=11, x_0=12, x_8=4294967306, y_1=4294967307, y_9=9] [L124] 1 return 0; VAL [\result={0:0}, f1_10=4294967314, f1_2=0, f2_11=4294967311, f2_3=0, t3={12:0}, temp_12=4294967309, temp_13=4294967317, temp_14=4294967312, temp_15=4294967319, temp_4=10, temp_5=4294967306, temp_6=4294967305, temp_7=11, x_0=12, x_8=4294967306, y_1=4294967307, y_9=9] [L124] 1 return 0; VAL [\result={0:0}, f1_10=4294967314, f1_2=0, f2_11=4294967311, f2_3=0, temp_12=4294967309, temp_13=4294967317, temp_14=4294967312, temp_15=4294967319, temp_4=10, temp_5=4294967306, temp_6=4294967305, temp_7=11, x_0=12, x_8=4294967306, y_1=4294967307, y_9=9] [L236] FCALL, FORK 0 pthread_create(&t4, 0, thread4, 0) VAL [\result={0:0}, f1_10=4294967314, f1_2=0, f2_11=4294967311, f2_3=0, temp_12=4294967309, temp_13=4294967317, temp_14=4294967312, temp_15=4294967319, temp_4=10, temp_5=4294967306, temp_6=4294967305, temp_7=11, x_0=12, x_8=4294967306, y_1=4294967307, y_9=9] [L237] 0 \read(t1) VAL [\result={0:0}, f1_10=4294967314, f1_2=0, f2_11=4294967311, f2_3=0, temp_12=4294967309, temp_13=4294967317, temp_14=4294967312, temp_15=4294967319, temp_4=10, temp_5=4294967306, temp_6=4294967305, temp_7=11, x_0=12, x_8=4294967306, y_1=4294967307, y_9=9] [L237] FCALL, JOIN 1 pthread_join(t1, 0) VAL [\result={0:0}, f1_10=4294967314, f1_2=0, f2_11=4294967311, f2_3=0, temp_12=4294967309, temp_13=4294967317, temp_14=4294967312, temp_15=4294967319, temp_4=10, temp_5=4294967306, temp_6=4294967305, temp_7=11, x_0=12, x_8=4294967306, y_1=4294967307, y_9=9] [L238] 0 \read(t4) VAL [\result={0:0}, f1_10=4294967314, f1_2=0, f2_11=4294967311, f2_3=0, temp_12=4294967309, temp_13=4294967317, temp_14=4294967312, temp_15=4294967319, temp_4=10, temp_5=4294967306, temp_6=4294967305, temp_7=11, x_0=12, x_8=4294967306, y_1=4294967307, y_9=9] [L196] 4 pthread_t t5, t6; VAL [\result={0:0}, f1_10=4294967314, f1_2=0, f2_11=4294967311, f2_3=0, t5={13:0}, t6={3:0}, temp_12=4294967309, temp_13=4294967317, temp_14=4294967312, temp_15=4294967319, temp_4=10, temp_5=4294967306, temp_6=4294967305, temp_7=11, x_0=12, x_8=4294967306, y_1=4294967307, y_9=9] [L199] 4 f1_10 = 0 [L200] 4 f2_11 = 0 VAL [\result={0:0}, f1_10=0, f1_2=0, f2_11=0, f2_3=0, t5={13:0}, t6={3:0}, temp_12=4294967309, temp_13=4294967317, temp_14=4294967312, temp_15=4294967319, temp_4=10, temp_5=4294967306, temp_6=4294967305, temp_7=11, x_0=12, x_8=4294967306, y_1=4294967307, y_9=9] [L203] FCALL, FORK 4 pthread_create(&t5, 0, thread5, 0) VAL [\result={0:0}, f1_10=0, f1_2=0, f2_11=0, f2_3=0, pthread_create(&t5, 0, thread5, 0)=-1, t5={13:0}, t6={3:0}, temp_12=4294967309, temp_13=4294967317, temp_14=4294967312, temp_15=4294967319, temp_4=10, temp_5=4294967306, temp_6=4294967305, temp_7=11, x_0=12, x_8=4294967306, y_1=4294967307, y_9=9] [L204] FCALL, FORK 4 pthread_create(&t6, 0, thread6, 0) VAL [\result={0:0}, f1_10=0, f1_2=0, f2_11=0, f2_3=0, pthread_create(&t6, 0, thread6, 0)=0, t5={13:0}, t6={3:0}, temp_12=4294967309, temp_13=4294967317, temp_14=4294967312, temp_15=4294967319, temp_4=10, temp_5=4294967306, temp_6=4294967305, temp_7=11, x_0=12, x_8=4294967306, y_1=4294967307, y_9=9] [L205] 4 \read(t5) VAL [\read(t5)=-1, \result={0:0}, f1_10=0, f1_2=0, f2_11=0, f2_3=0, t5={13:0}, t6={3:0}, temp_12=4294967309, temp_13=4294967317, temp_14=4294967312, temp_15=4294967319, temp_4=10, temp_5=4294967306, temp_6=4294967305, temp_7=11, x_0=12, x_8=4294967306, y_1=4294967307, y_9=9] [L128] COND FALSE 5 !(__VERIFIER_nondet_bool()) VAL [\read(t5)=-1, \result={0:0}, f1_10=0, f1_2=0, f2_11=0, f2_3=0, t5={13:0}, t6={3:0}, temp_12=4294967309, temp_13=4294967317, temp_14=4294967312, temp_15=4294967319, temp_4=10, temp_5=4294967306, temp_6=4294967305, temp_7=11, x_0=12, x_8=4294967306, y_1=4294967307, y_9=9] [L158] 5 return 0; VAL [\read(t5)=-1, \result={0:0}, f1_10=0, f1_2=0, f2_11=0, f2_3=0, t5={13:0}, t6={3:0}, temp_12=4294967309, temp_13=4294967317, temp_14=4294967312, temp_15=4294967319, temp_4=10, temp_5=4294967306, temp_6=4294967305, temp_7=11, x_0=12, x_8=4294967306, y_1=4294967307, y_9=9] [L205] FCALL, JOIN 5 pthread_join(t5, 0) VAL [\read(t5)=-1, \result={0:0}, f1_10=0, f1_2=0, f2_11=0, f2_3=0, t5={13:0}, t6={3:0}, temp_12=4294967309, temp_13=4294967317, temp_14=4294967312, temp_15=4294967319, temp_4=10, temp_5=4294967306, temp_6=4294967305, temp_7=11, x_0=12, x_8=4294967306, y_1=4294967307, y_9=9] [L206] 4 \read(t6) VAL [\read(t6)=0, \result={0:0}, f1_10=0, f1_2=0, f2_11=0, f2_3=0, t5={13:0}, t6={3:0}, temp_12=4294967309, temp_13=4294967317, temp_14=4294967312, temp_15=4294967319, temp_4=10, temp_5=4294967306, temp_6=4294967305, temp_7=11, x_0=12, x_8=4294967306, y_1=4294967307, y_9=9] [L162] COND FALSE 6 !(__VERIFIER_nondet_bool()) VAL [\read(t6)=0, \result={0:0}, f1_10=0, f1_2=0, f2_11=0, f2_3=0, t5={13:0}, t6={3:0}, temp_12=4294967309, temp_13=4294967317, temp_14=4294967312, temp_15=4294967319, temp_4=10, temp_5=4294967306, temp_6=4294967305, temp_7=11, x_0=12, x_8=4294967306, y_1=4294967307, y_9=9] [L192] 6 return 0; VAL [\read(t6)=0, \result={0:0}, f1_10=0, f1_2=0, f2_11=0, f2_3=0, t5={13:0}, t6={3:0}, temp_12=4294967309, temp_13=4294967317, temp_14=4294967312, temp_15=4294967319, temp_4=10, temp_5=4294967306, temp_6=4294967305, temp_7=11, x_0=12, x_8=4294967306, y_1=4294967307, y_9=9] [L206] FCALL, JOIN 6 pthread_join(t6, 0) VAL [\read(t6)=0, \result={0:0}, f1_10=0, f1_2=0, f2_11=0, f2_3=0, t5={13:0}, t6={3:0}, temp_12=4294967309, temp_13=4294967317, temp_14=4294967312, temp_15=4294967319, temp_4=10, temp_5=4294967306, temp_6=4294967305, temp_7=11, x_0=12, x_8=4294967306, y_1=4294967307, y_9=9] [L208] 4 return 0; VAL [\result={0:0}, \result={0:0}, f1_10=0, f1_2=0, f2_11=0, f2_3=0, t5={13:0}, t6={3:0}, temp_12=4294967309, temp_13=4294967317, temp_14=4294967312, temp_15=4294967319, temp_4=10, temp_5=4294967306, temp_6=4294967305, temp_7=11, x_0=12, x_8=4294967306, y_1=4294967307, y_9=9] [L208] 4 return 0; VAL [\result={0:0}, \result={0:0}, f1_10=0, f1_2=0, f2_11=0, f2_3=0, t6={3:0}, temp_12=4294967309, temp_13=4294967317, temp_14=4294967312, temp_15=4294967319, temp_4=10, temp_5=4294967306, temp_6=4294967305, temp_7=11, x_0=12, x_8=4294967306, y_1=4294967307, y_9=9] [L208] 4 return 0; VAL [\result={0:0}, \result={0:0}, f1_10=0, f1_2=0, f2_11=0, f2_3=0, temp_12=4294967309, temp_13=4294967317, temp_14=4294967312, temp_15=4294967319, temp_4=10, temp_5=4294967306, temp_6=4294967305, temp_7=11, x_0=12, x_8=4294967306, y_1=4294967307, y_9=9] [L238] FCALL, JOIN 4 pthread_join(t4, 0) VAL [\result={0:0}, \result={0:0}, f1_10=0, f1_2=0, f2_11=0, f2_3=0, temp_12=4294967309, temp_13=4294967317, temp_14=4294967312, temp_15=4294967319, temp_4=10, temp_5=4294967306, temp_6=4294967305, temp_7=11, x_0=12, x_8=4294967306, y_1=4294967307, y_9=9] [L35] COND FALSE 0 !(!cond) VAL [\result={0:0}, \result={0:0}, f1_10=0, f1_2=0, f2_11=0, f2_3=0, temp_12=4294967309, temp_13=4294967317, temp_14=4294967312, temp_15=4294967319, temp_4=10, temp_5=4294967306, temp_6=4294967305, temp_7=11, x_0=12, x_8=4294967306, y_1=4294967307, y_9=9] [L241] 0 reach_error() VAL [\result={0:0}, \result={0:0}, f1_10=0, f1_2=0, f2_11=0, f2_3=0, temp_12=4294967309, temp_13=4294967317, temp_14=4294967312, temp_15=4294967319, temp_4=10, temp_5=4294967306, temp_6=4294967305, temp_7=11, x_0=12, x_8=4294967306, y_1=4294967307, y_9=9] - UnprovableResult [Line: 120]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 119]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 235]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 236]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 204]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 203]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 120]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 119]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 203]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 204]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 13 procedures, 331 locations, 11 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 6.7s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 3.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 67 SDtfs, 21 SDslu, 29 SDs, 0 SdLazy, 115 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=484occurred in iteration=8, InterpolantAutomatonStates: 27, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1500 NumberOfCodeBlocks, 1500 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1316 ConstructedInterpolants, 0 QuantifiedInterpolants, 4302 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 8/8 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-10-28 09:17:50,944 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d31ac83a-279b-4e8b-9626-34a6823937e4/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...