./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_92-evilcollapse_racing.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1048c712-066d-48a8-aafe-636dc871e4ef/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1048c712-066d-48a8-aafe-636dc871e4ef/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1048c712-066d-48a8-aafe-636dc871e4ef/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1048c712-066d-48a8-aafe-636dc871e4ef/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_92-evilcollapse_racing.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1048c712-066d-48a8-aafe-636dc871e4ef/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1048c712-066d-48a8-aafe-636dc871e4ef/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dda5467f7679a243042daf02aae11f74f39b907c2525dfc042cb8ad8b69dcfc9 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 01:38:15,365 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 01:38:15,367 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 01:38:15,388 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 01:38:15,388 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 01:38:15,389 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 01:38:15,391 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 01:38:15,392 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 01:38:15,394 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 01:38:15,395 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 01:38:15,395 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 01:38:15,396 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 01:38:15,397 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 01:38:15,398 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 01:38:15,399 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 01:38:15,400 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 01:38:15,401 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 01:38:15,402 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 01:38:15,403 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 01:38:15,405 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 01:38:15,407 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 01:38:15,408 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 01:38:15,409 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 01:38:15,409 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 01:38:15,412 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 01:38:15,413 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 01:38:15,413 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 01:38:15,414 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 01:38:15,414 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 01:38:15,415 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 01:38:15,415 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 01:38:15,416 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 01:38:15,417 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 01:38:15,417 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 01:38:15,418 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 01:38:15,418 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 01:38:15,419 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 01:38:15,419 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 01:38:15,419 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 01:38:15,420 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 01:38:15,420 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 01:38:15,421 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1048c712-066d-48a8-aafe-636dc871e4ef/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-07 01:38:15,439 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 01:38:15,439 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 01:38:15,440 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 01:38:15,440 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 01:38:15,440 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-07 01:38:15,440 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-07 01:38:15,441 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 01:38:15,441 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 01:38:15,441 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 01:38:15,441 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 01:38:15,441 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-07 01:38:15,441 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-07 01:38:15,442 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-07 01:38:15,442 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 01:38:15,442 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-07 01:38:15,442 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-07 01:38:15,442 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-07 01:38:15,442 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-07 01:38:15,442 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 01:38:15,442 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 01:38:15,443 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-07 01:38:15,443 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 01:38:15,443 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 01:38:15,443 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-07 01:38:15,443 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 01:38:15,443 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 01:38:15,443 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-07 01:38:15,443 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-07 01:38:15,444 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-07 01:38:15,444 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-07 01:38:15,444 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-07 01:38:15,444 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-07 01:38:15,444 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-07 01:38:15,444 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-07 01:38:15,444 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_1048c712-066d-48a8-aafe-636dc871e4ef/bin/uautomizer-DrprNOufMa/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1048c712-066d-48a8-aafe-636dc871e4ef/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dda5467f7679a243042daf02aae11f74f39b907c2525dfc042cb8ad8b69dcfc9 [2021-12-07 01:38:15,622 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 01:38:15,638 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 01:38:15,640 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 01:38:15,641 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 01:38:15,641 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 01:38:15,642 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1048c712-066d-48a8-aafe-636dc871e4ef/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/goblint-regression/28-race_reach_92-evilcollapse_racing.i [2021-12-07 01:38:15,687 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1048c712-066d-48a8-aafe-636dc871e4ef/bin/uautomizer-DrprNOufMa/data/904803278/3ae12ad5cae640dfb39e20d9fc8de18e/FLAG629ec27d5 [2021-12-07 01:38:16,148 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 01:38:16,149 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1048c712-066d-48a8-aafe-636dc871e4ef/sv-benchmarks/c/goblint-regression/28-race_reach_92-evilcollapse_racing.i [2021-12-07 01:38:16,163 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1048c712-066d-48a8-aafe-636dc871e4ef/bin/uautomizer-DrprNOufMa/data/904803278/3ae12ad5cae640dfb39e20d9fc8de18e/FLAG629ec27d5 [2021-12-07 01:38:16,176 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1048c712-066d-48a8-aafe-636dc871e4ef/bin/uautomizer-DrprNOufMa/data/904803278/3ae12ad5cae640dfb39e20d9fc8de18e [2021-12-07 01:38:16,178 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 01:38:16,179 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 01:38:16,180 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 01:38:16,180 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 01:38:16,183 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 01:38:16,183 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:38:16" (1/1) ... [2021-12-07 01:38:16,184 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@221276e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:38:16, skipping insertion in model container [2021-12-07 01:38:16,184 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:38:16" (1/1) ... [2021-12-07 01:38:16,191 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 01:38:16,229 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 01:38:16,563 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1048c712-066d-48a8-aafe-636dc871e4ef/sv-benchmarks/c/goblint-regression/28-race_reach_92-evilcollapse_racing.i[47038,47051] [2021-12-07 01:38:16,573 WARN L1533 CHandler]: Possible shadowing of function new [2021-12-07 01:38:16,573 WARN L1533 CHandler]: Possible shadowing of function new [2021-12-07 01:38:16,574 WARN L1533 CHandler]: Possible shadowing of function new [2021-12-07 01:38:16,574 WARN L1533 CHandler]: Possible shadowing of function new [2021-12-07 01:38:16,590 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 01:38:16,603 INFO L203 MainTranslator]: Completed pre-run [2021-12-07 01:38:16,630 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1048c712-066d-48a8-aafe-636dc871e4ef/sv-benchmarks/c/goblint-regression/28-race_reach_92-evilcollapse_racing.i[47038,47051] [2021-12-07 01:38:16,633 WARN L1533 CHandler]: Possible shadowing of function new [2021-12-07 01:38:16,633 WARN L1533 CHandler]: Possible shadowing of function new [2021-12-07 01:38:16,633 WARN L1533 CHandler]: Possible shadowing of function new [2021-12-07 01:38:16,634 WARN L1533 CHandler]: Possible shadowing of function new [2021-12-07 01:38:16,643 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 01:38:16,688 INFO L208 MainTranslator]: Completed translation [2021-12-07 01:38:16,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:38:16 WrapperNode [2021-12-07 01:38:16,689 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 01:38:16,689 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-07 01:38:16,690 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-07 01:38:16,690 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-07 01:38:16,695 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:38:16" (1/1) ... [2021-12-07 01:38:16,710 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:38:16" (1/1) ... [2021-12-07 01:38:16,732 INFO L137 Inliner]: procedures = 278, calls = 51, calls flagged for inlining = 11, calls inlined = 12, statements flattened = 221 [2021-12-07 01:38:16,733 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-07 01:38:16,733 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-07 01:38:16,733 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-07 01:38:16,734 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-07 01:38:16,750 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:38:16" (1/1) ... [2021-12-07 01:38:16,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:38:16" (1/1) ... [2021-12-07 01:38:16,754 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:38:16" (1/1) ... [2021-12-07 01:38:16,754 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:38:16" (1/1) ... [2021-12-07 01:38:16,774 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:38:16" (1/1) ... [2021-12-07 01:38:16,778 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:38:16" (1/1) ... [2021-12-07 01:38:16,780 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:38:16" (1/1) ... [2021-12-07 01:38:16,783 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-07 01:38:16,784 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-07 01:38:16,784 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-07 01:38:16,784 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-07 01:38:16,785 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:38:16" (1/1) ... [2021-12-07 01:38:16,790 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 01:38:16,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1048c712-066d-48a8-aafe-636dc871e4ef/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:38:16,811 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1048c712-066d-48a8-aafe-636dc871e4ef/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-07 01:38:16,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1048c712-066d-48a8-aafe-636dc871e4ef/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-07 01:38:16,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-07 01:38:16,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-07 01:38:16,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-07 01:38:16,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-07 01:38:16,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-07 01:38:16,850 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-12-07 01:38:16,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-07 01:38:16,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-07 01:38:16,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-07 01:38:16,850 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-12-07 01:38:16,851 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-12-07 01:38:16,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-07 01:38:16,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-07 01:38:16,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-07 01:38:16,853 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-07 01:38:16,954 INFO L236 CfgBuilder]: Building ICFG [2021-12-07 01:38:16,956 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-07 01:38:17,199 INFO L277 CfgBuilder]: Performing block encoding [2021-12-07 01:38:17,209 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-07 01:38:17,210 INFO L301 CfgBuilder]: Removed 16 assume(true) statements. [2021-12-07 01:38:17,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:38:17 BoogieIcfgContainer [2021-12-07 01:38:17,212 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-07 01:38:17,214 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-07 01:38:17,214 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-07 01:38:17,217 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-07 01:38:17,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 01:38:16" (1/3) ... [2021-12-07 01:38:17,218 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ffac388 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:38:17, skipping insertion in model container [2021-12-07 01:38:17,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:38:16" (2/3) ... [2021-12-07 01:38:17,219 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ffac388 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:38:17, skipping insertion in model container [2021-12-07 01:38:17,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:38:17" (3/3) ... [2021-12-07 01:38:17,220 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_92-evilcollapse_racing.i [2021-12-07 01:38:17,225 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-07 01:38:17,226 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-07 01:38:17,226 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-07 01:38:17,226 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-07 01:38:17,260 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,261 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,261 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,261 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,261 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,261 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,261 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,261 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,262 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,262 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,262 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,262 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,262 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,262 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,263 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,263 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,263 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,263 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,263 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,263 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,264 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,264 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,264 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,264 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,264 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,265 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,265 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,265 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,265 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,265 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,265 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,265 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,266 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,266 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,266 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~2#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,266 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~2#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,266 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~2#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,266 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~2#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,267 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~q~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,267 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~q~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,267 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~q~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,267 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~q~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,267 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,267 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,267 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,268 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,268 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,268 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,268 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,268 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,268 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,269 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,269 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,269 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,269 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,269 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,269 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,269 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem9#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,269 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem9#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,270 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,270 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem9#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,270 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem9#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,270 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem9#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,270 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem9#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,270 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~2#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,270 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~2#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,271 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem9#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,271 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem9#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,271 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~2#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,271 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~2#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,271 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem9#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,271 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem9#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,272 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem9#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,272 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem9#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,272 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~2#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,272 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~2#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,272 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,272 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,272 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~2#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,273 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~2#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,273 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,273 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,273 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,273 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,273 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,274 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,274 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,274 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,274 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,274 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,274 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,275 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,275 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,275 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,275 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,275 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,275 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,275 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,276 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,276 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,276 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,276 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,276 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,276 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,276 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,276 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,276 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,276 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,276 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem19#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,277 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem19#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,277 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,277 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,277 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem19#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,277 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem19#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,277 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,277 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,277 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,277 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,278 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,278 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,278 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,278 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,278 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem19#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,278 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem19#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,278 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~q~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,278 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~q~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,278 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem19#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,279 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem19#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,279 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~q~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,279 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~q~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,279 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,279 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,279 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,279 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,280 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem19#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,280 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem19#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,280 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem19#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,280 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem19#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,280 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,280 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,280 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,280 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,280 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~q~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,280 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~q~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,280 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,281 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,281 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~q~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,281 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~q~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,281 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,281 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,281 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,281 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,282 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,282 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,282 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,282 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,282 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,282 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,282 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,283 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,283 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,283 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,283 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,283 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,283 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,283 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,283 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,283 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,283 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,284 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,284 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,284 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,284 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,284 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,284 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,284 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,284 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,284 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,285 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,285 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,285 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,285 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,285 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,285 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,285 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,286 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,286 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,286 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,286 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,286 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,286 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,286 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,287 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,287 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,287 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,287 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,287 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,287 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,287 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,288 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,288 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,288 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,288 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,288 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,288 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,288 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,289 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,289 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,289 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,289 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,289 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,289 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,289 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,289 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,290 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,290 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,290 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,290 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,293 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~2#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,293 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,294 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,294 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,294 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,294 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,294 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,294 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,294 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,295 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,295 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,295 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,295 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,295 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem9#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,295 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~q~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,295 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,296 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem9#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,296 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,296 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,296 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~q~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,296 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem19#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,296 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,296 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~2#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,297 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,297 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,297 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,297 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,297 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,297 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,297 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem19#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,298 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:38:17,301 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-12-07 01:38:17,340 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-07 01:38:17,347 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-07 01:38:17,347 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-07 01:38:17,360 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 230 places, 253 transitions, 514 flow [2021-12-07 01:38:17,437 INFO L129 PetriNetUnfolder]: 28/270 cut-off events. [2021-12-07 01:38:17,437 INFO L130 PetriNetUnfolder]: For 1/2 co-relation queries the response was YES. [2021-12-07 01:38:17,442 INFO L84 FinitePrefix]: Finished finitePrefix Result has 276 conditions, 270 events. 28/270 cut-off events. For 1/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 407 event pairs, 0 based on Foata normal form. 0/238 useless extension candidates. Maximal degree in co-relation 152. Up to 4 conditions per place. [2021-12-07 01:38:17,443 INFO L82 GeneralOperation]: Start removeDead. Operand has 230 places, 253 transitions, 514 flow [2021-12-07 01:38:17,449 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 226 places, 248 transitions, 501 flow [2021-12-07 01:38:17,482 INFO L129 PetriNetUnfolder]: 10/179 cut-off events. [2021-12-07 01:38:17,482 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-07 01:38:17,482 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:38:17,483 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:38:17,483 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:38:17,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:38:17,487 INFO L85 PathProgramCache]: Analyzing trace with hash 1618434674, now seen corresponding path program 1 times [2021-12-07 01:38:17,493 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:38:17,493 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706243999] [2021-12-07 01:38:17,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:38:17,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:38:17,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:17,652 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-12-07 01:38:17,653 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:38:17,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706243999] [2021-12-07 01:38:17,653 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706243999] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:38:17,653 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:38:17,654 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-07 01:38:17,655 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418347032] [2021-12-07 01:38:17,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:38:17,661 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-07 01:38:17,662 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:38:17,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-07 01:38:17,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-07 01:38:17,688 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 230 out of 253 [2021-12-07 01:38:17,692 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 226 places, 248 transitions, 501 flow. Second operand has 2 states, 2 states have (on average 231.0) internal successors, (462), 2 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:38:17,692 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:38:17,692 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 230 of 253 [2021-12-07 01:38:17,693 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:38:17,726 INFO L129 PetriNetUnfolder]: 5/242 cut-off events. [2021-12-07 01:38:17,726 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-12-07 01:38:17,727 INFO L84 FinitePrefix]: Finished finitePrefix Result has 249 conditions, 242 events. 5/242 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 271 event pairs, 0 based on Foata normal form. 22/251 useless extension candidates. Maximal degree in co-relation 146. Up to 2 conditions per place. [2021-12-07 01:38:17,728 INFO L132 encePairwiseOnDemand]: 233/253 looper letters, 1 selfloop transitions, 0 changer transitions 2/227 dead transitions. [2021-12-07 01:38:17,729 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 226 places, 227 transitions, 461 flow [2021-12-07 01:38:17,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 01:38:17,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-12-07 01:38:17,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 481 transitions. [2021-12-07 01:38:17,740 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.950592885375494 [2021-12-07 01:38:17,740 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 481 transitions. [2021-12-07 01:38:17,741 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 481 transitions. [2021-12-07 01:38:17,743 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:38:17,745 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 481 transitions. [2021-12-07 01:38:17,749 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 240.5) internal successors, (481), 2 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:38:17,754 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 253.0) internal successors, (759), 3 states have internal predecessors, (759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:38:17,755 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 253.0) internal successors, (759), 3 states have internal predecessors, (759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:38:17,756 INFO L186 Difference]: Start difference. First operand has 226 places, 248 transitions, 501 flow. Second operand 2 states and 481 transitions. [2021-12-07 01:38:17,757 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 226 places, 227 transitions, 461 flow [2021-12-07 01:38:17,760 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 226 places, 227 transitions, 461 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-07 01:38:17,765 INFO L242 Difference]: Finished difference. Result has 226 places, 225 transitions, 455 flow [2021-12-07 01:38:17,766 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=253, PETRI_DIFFERENCE_MINUEND_FLOW=459, PETRI_DIFFERENCE_MINUEND_PLACES=225, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=227, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=227, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=455, PETRI_PLACES=226, PETRI_TRANSITIONS=225} [2021-12-07 01:38:17,769 INFO L334 CegarLoopForPetriNet]: 226 programPoint places, 0 predicate places. [2021-12-07 01:38:17,769 INFO L470 AbstractCegarLoop]: Abstraction has has 226 places, 225 transitions, 455 flow [2021-12-07 01:38:17,770 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 231.0) internal successors, (462), 2 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:38:17,770 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:38:17,770 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:38:17,770 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-07 01:38:17,770 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:38:17,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:38:17,771 INFO L85 PathProgramCache]: Analyzing trace with hash 1010357811, now seen corresponding path program 1 times [2021-12-07 01:38:17,771 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:38:17,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230610305] [2021-12-07 01:38:17,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:38:17,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:38:17,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:17,842 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-12-07 01:38:17,842 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:38:17,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230610305] [2021-12-07 01:38:17,842 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230610305] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:38:17,842 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:38:17,842 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-07 01:38:17,843 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887141262] [2021-12-07 01:38:17,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:38:17,844 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 01:38:17,844 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:38:17,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 01:38:17,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 01:38:17,846 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 220 out of 253 [2021-12-07 01:38:17,847 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 226 places, 225 transitions, 455 flow. Second operand has 3 states, 3 states have (on average 221.33333333333334) internal successors, (664), 3 states have internal predecessors, (664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:38:17,847 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:38:17,847 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 220 of 253 [2021-12-07 01:38:17,847 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:38:17,895 INFO L129 PetriNetUnfolder]: 6/290 cut-off events. [2021-12-07 01:38:17,895 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-12-07 01:38:17,896 INFO L84 FinitePrefix]: Finished finitePrefix Result has 315 conditions, 290 events. 6/290 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 403 event pairs, 0 based on Foata normal form. 0/278 useless extension candidates. Maximal degree in co-relation 311. Up to 12 conditions per place. [2021-12-07 01:38:17,897 INFO L132 encePairwiseOnDemand]: 250/253 looper letters, 16 selfloop transitions, 2 changer transitions 0/232 dead transitions. [2021-12-07 01:38:17,897 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 226 places, 232 transitions, 505 flow [2021-12-07 01:38:17,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 01:38:17,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-07 01:38:17,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 679 transitions. [2021-12-07 01:38:17,901 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8945981554677207 [2021-12-07 01:38:17,901 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 679 transitions. [2021-12-07 01:38:17,901 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 679 transitions. [2021-12-07 01:38:17,902 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:38:17,902 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 679 transitions. [2021-12-07 01:38:17,904 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 226.33333333333334) internal successors, (679), 3 states have internal predecessors, (679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:38:17,907 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 253.0) internal successors, (1012), 4 states have internal predecessors, (1012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:38:17,907 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 253.0) internal successors, (1012), 4 states have internal predecessors, (1012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:38:17,908 INFO L186 Difference]: Start difference. First operand has 226 places, 225 transitions, 455 flow. Second operand 3 states and 679 transitions. [2021-12-07 01:38:17,908 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 226 places, 232 transitions, 505 flow [2021-12-07 01:38:17,920 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 226 places, 232 transitions, 505 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-07 01:38:17,926 INFO L242 Difference]: Finished difference. Result has 227 places, 226 transitions, 467 flow [2021-12-07 01:38:17,927 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=253, PETRI_DIFFERENCE_MINUEND_FLOW=455, PETRI_DIFFERENCE_MINUEND_PLACES=224, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=225, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=223, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=467, PETRI_PLACES=227, PETRI_TRANSITIONS=226} [2021-12-07 01:38:17,927 INFO L334 CegarLoopForPetriNet]: 226 programPoint places, 1 predicate places. [2021-12-07 01:38:17,928 INFO L470 AbstractCegarLoop]: Abstraction has has 227 places, 226 transitions, 467 flow [2021-12-07 01:38:17,928 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 221.33333333333334) internal successors, (664), 3 states have internal predecessors, (664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:38:17,929 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:38:17,929 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:38:17,929 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-07 01:38:17,929 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:38:17,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:38:17,930 INFO L85 PathProgramCache]: Analyzing trace with hash -1795324933, now seen corresponding path program 1 times [2021-12-07 01:38:17,930 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:38:17,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867172413] [2021-12-07 01:38:17,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:38:17,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:38:17,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:18,035 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-12-07 01:38:18,036 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:38:18,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867172413] [2021-12-07 01:38:18,036 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867172413] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:38:18,037 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:38:18,037 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-07 01:38:18,037 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300066349] [2021-12-07 01:38:18,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:38:18,038 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 01:38:18,038 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:38:18,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 01:38:18,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 01:38:18,040 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 223 out of 253 [2021-12-07 01:38:18,041 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 227 places, 226 transitions, 467 flow. Second operand has 3 states, 3 states have (on average 224.33333333333334) internal successors, (673), 3 states have internal predecessors, (673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:38:18,041 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:38:18,042 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 223 of 253 [2021-12-07 01:38:18,042 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:38:18,097 INFO L129 PetriNetUnfolder]: 6/362 cut-off events. [2021-12-07 01:38:18,097 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-12-07 01:38:18,098 INFO L84 FinitePrefix]: Finished finitePrefix Result has 398 conditions, 362 events. 6/362 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 547 event pairs, 0 based on Foata normal form. 0/351 useless extension candidates. Maximal degree in co-relation 392. Up to 15 conditions per place. [2021-12-07 01:38:18,099 INFO L132 encePairwiseOnDemand]: 250/253 looper letters, 10 selfloop transitions, 2 changer transitions 0/230 dead transitions. [2021-12-07 01:38:18,099 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 229 places, 230 transitions, 499 flow [2021-12-07 01:38:18,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 01:38:18,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-07 01:38:18,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 682 transitions. [2021-12-07 01:38:18,102 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8985507246376812 [2021-12-07 01:38:18,102 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 682 transitions. [2021-12-07 01:38:18,102 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 682 transitions. [2021-12-07 01:38:18,102 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:38:18,102 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 682 transitions. [2021-12-07 01:38:18,104 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 227.33333333333334) internal successors, (682), 3 states have internal predecessors, (682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:38:18,106 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 253.0) internal successors, (1012), 4 states have internal predecessors, (1012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:38:18,107 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 253.0) internal successors, (1012), 4 states have internal predecessors, (1012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:38:18,107 INFO L186 Difference]: Start difference. First operand has 227 places, 226 transitions, 467 flow. Second operand 3 states and 682 transitions. [2021-12-07 01:38:18,107 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 229 places, 230 transitions, 499 flow [2021-12-07 01:38:18,109 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 228 places, 230 transitions, 497 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-12-07 01:38:18,112 INFO L242 Difference]: Finished difference. Result has 229 places, 227 transitions, 477 flow [2021-12-07 01:38:18,112 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=253, PETRI_DIFFERENCE_MINUEND_FLOW=465, PETRI_DIFFERENCE_MINUEND_PLACES=226, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=226, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=224, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=477, PETRI_PLACES=229, PETRI_TRANSITIONS=227} [2021-12-07 01:38:18,113 INFO L334 CegarLoopForPetriNet]: 226 programPoint places, 3 predicate places. [2021-12-07 01:38:18,113 INFO L470 AbstractCegarLoop]: Abstraction has has 229 places, 227 transitions, 477 flow [2021-12-07 01:38:18,114 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 224.33333333333334) internal successors, (673), 3 states have internal predecessors, (673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:38:18,114 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:38:18,114 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:38:18,114 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-07 01:38:18,115 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:38:18,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:38:18,115 INFO L85 PathProgramCache]: Analyzing trace with hash 165065027, now seen corresponding path program 1 times [2021-12-07 01:38:18,116 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:38:18,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537575021] [2021-12-07 01:38:18,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:38:18,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:38:18,152 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-07 01:38:18,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [503877106] [2021-12-07 01:38:18,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:38:18,153 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:38:18,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1048c712-066d-48a8-aafe-636dc871e4ef/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:38:18,154 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1048c712-066d-48a8-aafe-636dc871e4ef/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 01:38:18,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1048c712-066d-48a8-aafe-636dc871e4ef/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-07 01:38:18,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:18,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-07 01:38:18,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:38:18,476 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-12-07 01:38:18,477 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 01:38:18,647 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-12-07 01:38:18,647 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:38:18,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537575021] [2021-12-07 01:38:18,648 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-07 01:38:18,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [503877106] [2021-12-07 01:38:18,648 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [503877106] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 01:38:18,648 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-07 01:38:18,648 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-12-07 01:38:18,648 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493618486] [2021-12-07 01:38:18,648 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-07 01:38:18,649 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-07 01:38:18,649 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:38:18,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-07 01:38:18,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-12-07 01:38:18,653 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 222 out of 253 [2021-12-07 01:38:18,656 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 229 places, 227 transitions, 477 flow. Second operand has 8 states, 8 states have (on average 224.0) internal successors, (1792), 8 states have internal predecessors, (1792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:38:18,656 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:38:18,656 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 222 of 253 [2021-12-07 01:38:18,656 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:38:18,745 INFO L129 PetriNetUnfolder]: 6/440 cut-off events. [2021-12-07 01:38:18,745 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-12-07 01:38:18,746 INFO L84 FinitePrefix]: Finished finitePrefix Result has 504 conditions, 440 events. 6/440 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 480 event pairs, 0 based on Foata normal form. 4/435 useless extension candidates. Maximal degree in co-relation 497. Up to 10 conditions per place. [2021-12-07 01:38:18,747 INFO L132 encePairwiseOnDemand]: 247/253 looper letters, 11 selfloop transitions, 9 changer transitions 0/237 dead transitions. [2021-12-07 01:38:18,747 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 237 transitions, 539 flow [2021-12-07 01:38:18,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 01:38:18,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-07 01:38:18,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2020 transitions. [2021-12-07 01:38:18,752 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8871321914800175 [2021-12-07 01:38:18,752 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2020 transitions. [2021-12-07 01:38:18,752 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2020 transitions. [2021-12-07 01:38:18,753 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:38:18,754 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2020 transitions. [2021-12-07 01:38:18,758 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 224.44444444444446) internal successors, (2020), 9 states have internal predecessors, (2020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:38:18,763 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 253.0) internal successors, (2530), 10 states have internal predecessors, (2530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:38:18,765 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 253.0) internal successors, (2530), 10 states have internal predecessors, (2530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:38:18,765 INFO L186 Difference]: Start difference. First operand has 229 places, 227 transitions, 477 flow. Second operand 9 states and 2020 transitions. [2021-12-07 01:38:18,765 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 237 places, 237 transitions, 539 flow [2021-12-07 01:38:18,767 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 236 places, 237 transitions, 537 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-12-07 01:38:18,770 INFO L242 Difference]: Finished difference. Result has 239 places, 233 transitions, 525 flow [2021-12-07 01:38:18,770 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=253, PETRI_DIFFERENCE_MINUEND_FLOW=475, PETRI_DIFFERENCE_MINUEND_PLACES=228, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=227, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=221, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=525, PETRI_PLACES=239, PETRI_TRANSITIONS=233} [2021-12-07 01:38:18,771 INFO L334 CegarLoopForPetriNet]: 226 programPoint places, 13 predicate places. [2021-12-07 01:38:18,771 INFO L470 AbstractCegarLoop]: Abstraction has has 239 places, 233 transitions, 525 flow [2021-12-07 01:38:18,772 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 224.0) internal successors, (1792), 8 states have internal predecessors, (1792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:38:18,773 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:38:18,773 INFO L254 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:38:18,807 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1048c712-066d-48a8-aafe-636dc871e4ef/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-07 01:38:18,974 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1048c712-066d-48a8-aafe-636dc871e4ef/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:38:18,974 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:38:18,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:38:18,975 INFO L85 PathProgramCache]: Analyzing trace with hash -1787124669, now seen corresponding path program 2 times [2021-12-07 01:38:18,975 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:38:18,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545635597] [2021-12-07 01:38:18,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:38:18,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:38:19,014 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-07 01:38:19,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1672460400] [2021-12-07 01:38:19,014 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-07 01:38:19,014 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:38:19,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1048c712-066d-48a8-aafe-636dc871e4ef/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:38:19,015 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1048c712-066d-48a8-aafe-636dc871e4ef/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 01:38:19,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1048c712-066d-48a8-aafe-636dc871e4ef/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-07 01:38:19,156 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-07 01:38:19,156 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-07 01:38:19,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 767 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-07 01:38:19,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:38:19,399 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 1 proven. 114 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-12-07 01:38:19,399 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 01:38:19,643 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 1 proven. 114 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-12-07 01:38:19,643 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:38:19,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545635597] [2021-12-07 01:38:19,643 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-07 01:38:19,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1672460400] [2021-12-07 01:38:19,643 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1672460400] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 01:38:19,644 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-07 01:38:19,644 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-12-07 01:38:19,644 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041369722] [2021-12-07 01:38:19,644 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-07 01:38:19,645 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-12-07 01:38:19,645 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:38:19,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-12-07 01:38:19,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2021-12-07 01:38:19,649 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 222 out of 253 [2021-12-07 01:38:19,653 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 239 places, 233 transitions, 525 flow. Second operand has 16 states, 16 states have (on average 224.25) internal successors, (3588), 16 states have internal predecessors, (3588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:38:19,653 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:38:19,653 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 222 of 253 [2021-12-07 01:38:19,653 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:38:19,913 INFO L129 PetriNetUnfolder]: 6/736 cut-off events. [2021-12-07 01:38:19,913 INFO L130 PetriNetUnfolder]: For 61/61 co-relation queries the response was YES. [2021-12-07 01:38:19,914 INFO L84 FinitePrefix]: Finished finitePrefix Result has 936 conditions, 736 events. 6/736 cut-off events. For 61/61 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 480 event pairs, 0 based on Foata normal form. 8/735 useless extension candidates. Maximal degree in co-relation 927. Up to 22 conditions per place. [2021-12-07 01:38:19,916 INFO L132 encePairwiseOnDemand]: 247/253 looper letters, 19 selfloop transitions, 21 changer transitions 0/257 dead transitions. [2021-12-07 01:38:19,916 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 259 places, 257 transitions, 713 flow [2021-12-07 01:38:19,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-12-07 01:38:19,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-12-07 01:38:19,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 4706 transitions. [2021-12-07 01:38:19,926 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8857519292301901 [2021-12-07 01:38:19,926 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 4706 transitions. [2021-12-07 01:38:19,926 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 4706 transitions. [2021-12-07 01:38:19,929 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:38:19,929 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 4706 transitions. [2021-12-07 01:38:19,938 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 224.0952380952381) internal successors, (4706), 21 states have internal predecessors, (4706), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:38:19,948 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 253.0) internal successors, (5566), 22 states have internal predecessors, (5566), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:38:19,950 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 253.0) internal successors, (5566), 22 states have internal predecessors, (5566), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:38:19,950 INFO L186 Difference]: Start difference. First operand has 239 places, 233 transitions, 525 flow. Second operand 21 states and 4706 transitions. [2021-12-07 01:38:19,950 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 259 places, 257 transitions, 713 flow [2021-12-07 01:38:19,953 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 258 places, 257 transitions, 699 flow, removed 6 selfloop flow, removed 1 redundant places. [2021-12-07 01:38:19,957 INFO L242 Difference]: Finished difference. Result has 263 places, 246 transitions, 649 flow [2021-12-07 01:38:19,957 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=253, PETRI_DIFFERENCE_MINUEND_FLOW=519, PETRI_DIFFERENCE_MINUEND_PLACES=238, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=233, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=222, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=649, PETRI_PLACES=263, PETRI_TRANSITIONS=246} [2021-12-07 01:38:19,958 INFO L334 CegarLoopForPetriNet]: 226 programPoint places, 37 predicate places. [2021-12-07 01:38:19,958 INFO L470 AbstractCegarLoop]: Abstraction has has 263 places, 246 transitions, 649 flow [2021-12-07 01:38:19,960 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 224.25) internal successors, (3588), 16 states have internal predecessors, (3588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:38:19,960 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:38:19,961 INFO L254 CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:38:19,994 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1048c712-066d-48a8-aafe-636dc871e4ef/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-07 01:38:20,161 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1048c712-066d-48a8-aafe-636dc871e4ef/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:38:20,161 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:38:20,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:38:20,162 INFO L85 PathProgramCache]: Analyzing trace with hash 2129611331, now seen corresponding path program 3 times [2021-12-07 01:38:20,162 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:38:20,162 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479918710] [2021-12-07 01:38:20,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:38:20,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:38:20,200 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-07 01:38:20,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [214871615] [2021-12-07 01:38:20,201 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-07 01:38:20,201 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:38:20,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1048c712-066d-48a8-aafe-636dc871e4ef/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:38:20,202 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1048c712-066d-48a8-aafe-636dc871e4ef/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 01:38:20,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1048c712-066d-48a8-aafe-636dc871e4ef/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-07 01:38:20,338 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-12-07 01:38:20,338 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-07 01:38:20,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-07 01:38:20,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:38:20,669 INFO L134 CoverageAnalysis]: Checked inductivity of 790 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 789 trivial. 0 not checked. [2021-12-07 01:38:20,669 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 01:38:20,999 INFO L134 CoverageAnalysis]: Checked inductivity of 790 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 789 trivial. 0 not checked. [2021-12-07 01:38:20,999 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:38:20,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479918710] [2021-12-07 01:38:20,999 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-07 01:38:20,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [214871615] [2021-12-07 01:38:20,999 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [214871615] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 01:38:20,999 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-07 01:38:20,999 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-12-07 01:38:21,000 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877148040] [2021-12-07 01:38:21,000 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-07 01:38:21,000 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-07 01:38:21,000 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:38:21,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-07 01:38:21,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-12-07 01:38:21,002 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 253 [2021-12-07 01:38:21,004 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 263 places, 246 transitions, 649 flow. Second operand has 8 states, 8 states have (on average 221.75) internal successors, (1774), 8 states have internal predecessors, (1774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:38:21,004 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:38:21,004 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 253 [2021-12-07 01:38:21,004 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:38:21,265 INFO L129 PetriNetUnfolder]: 7/1012 cut-off events. [2021-12-07 01:38:21,266 INFO L130 PetriNetUnfolder]: For 113/113 co-relation queries the response was YES. [2021-12-07 01:38:21,266 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1348 conditions, 1012 events. 7/1012 cut-off events. For 113/113 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 165 event pairs, 0 based on Foata normal form. 2/1005 useless extension candidates. Maximal degree in co-relation 1334. Up to 33 conditions per place. [2021-12-07 01:38:21,268 INFO L132 encePairwiseOnDemand]: 247/253 looper letters, 20 selfloop transitions, 9 changer transitions 0/262 dead transitions. [2021-12-07 01:38:21,268 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 271 places, 262 transitions, 741 flow [2021-12-07 01:38:21,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 01:38:21,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-07 01:38:21,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2002 transitions. [2021-12-07 01:38:21,273 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8792270531400966 [2021-12-07 01:38:21,273 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2002 transitions. [2021-12-07 01:38:21,273 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2002 transitions. [2021-12-07 01:38:21,274 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:38:21,274 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2002 transitions. [2021-12-07 01:38:21,278 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 222.44444444444446) internal successors, (2002), 9 states have internal predecessors, (2002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:38:21,281 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 253.0) internal successors, (2530), 10 states have internal predecessors, (2530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:38:21,282 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 253.0) internal successors, (2530), 10 states have internal predecessors, (2530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:38:21,282 INFO L186 Difference]: Start difference. First operand has 263 places, 246 transitions, 649 flow. Second operand 9 states and 2002 transitions. [2021-12-07 01:38:21,282 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 271 places, 262 transitions, 741 flow [2021-12-07 01:38:21,286 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 265 places, 262 transitions, 717 flow, removed 6 selfloop flow, removed 6 redundant places. [2021-12-07 01:38:21,289 INFO L242 Difference]: Finished difference. Result has 268 places, 252 transitions, 675 flow [2021-12-07 01:38:21,290 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=253, PETRI_DIFFERENCE_MINUEND_FLOW=625, PETRI_DIFFERENCE_MINUEND_PLACES=257, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=246, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=240, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=675, PETRI_PLACES=268, PETRI_TRANSITIONS=252} [2021-12-07 01:38:21,290 INFO L334 CegarLoopForPetriNet]: 226 programPoint places, 42 predicate places. [2021-12-07 01:38:21,290 INFO L470 AbstractCegarLoop]: Abstraction has has 268 places, 252 transitions, 675 flow [2021-12-07 01:38:21,291 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 221.75) internal successors, (1774), 8 states have internal predecessors, (1774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:38:21,291 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:38:21,292 INFO L254 CegarLoopForPetriNet]: trace histogram [21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:38:21,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1048c712-066d-48a8-aafe-636dc871e4ef/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-12-07 01:38:21,492 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1048c712-066d-48a8-aafe-636dc871e4ef/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-12-07 01:38:21,493 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:38:21,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:38:21,493 INFO L85 PathProgramCache]: Analyzing trace with hash -430905277, now seen corresponding path program 4 times [2021-12-07 01:38:21,493 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:38:21,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188414475] [2021-12-07 01:38:21,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:38:21,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:38:21,580 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-07 01:38:21,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1701183992] [2021-12-07 01:38:21,580 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-12-07 01:38:21,580 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:38:21,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1048c712-066d-48a8-aafe-636dc871e4ef/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:38:21,581 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1048c712-066d-48a8-aafe-636dc871e4ef/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 01:38:21,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1048c712-066d-48a8-aafe-636dc871e4ef/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-07 01:38:22,061 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-12-07 01:38:22,061 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-07 01:38:22,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 3473 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-07 01:38:22,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:38:22,964 INFO L134 CoverageAnalysis]: Checked inductivity of 7883 backedges. 0 proven. 5526 refuted. 0 times theorem prover too weak. 2357 trivial. 0 not checked. [2021-12-07 01:38:22,964 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 01:38:23,833 INFO L134 CoverageAnalysis]: Checked inductivity of 7883 backedges. 0 proven. 5526 refuted. 0 times theorem prover too weak. 2357 trivial. 0 not checked. [2021-12-07 01:38:23,834 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:38:23,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188414475] [2021-12-07 01:38:23,834 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-07 01:38:23,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1701183992] [2021-12-07 01:38:23,834 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1701183992] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 01:38:23,834 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-07 01:38:23,835 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-12-07 01:38:23,835 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20922214] [2021-12-07 01:38:23,835 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-07 01:38:23,836 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-12-07 01:38:23,836 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:38:23,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-12-07 01:38:23,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2021-12-07 01:38:23,839 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 253 [2021-12-07 01:38:23,842 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 268 places, 252 transitions, 675 flow. Second operand has 16 states, 16 states have (on average 222.375) internal successors, (3558), 16 states have internal predecessors, (3558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:38:23,842 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:38:23,842 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 253 [2021-12-07 01:38:23,842 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:38:24,600 INFO L129 PetriNetUnfolder]: 11/2108 cut-off events. [2021-12-07 01:38:24,600 INFO L130 PetriNetUnfolder]: For 346/346 co-relation queries the response was YES. [2021-12-07 01:38:24,601 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2823 conditions, 2108 events. 11/2108 cut-off events. For 346/346 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 169 event pairs, 0 based on Foata normal form. 4/2103 useless extension candidates. Maximal degree in co-relation 2806. Up to 70 conditions per place. [2021-12-07 01:38:24,605 INFO L132 encePairwiseOnDemand]: 247/253 looper letters, 40 selfloop transitions, 21 changer transitions 0/294 dead transitions. [2021-12-07 01:38:24,605 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 288 places, 294 transitions, 941 flow [2021-12-07 01:38:24,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-12-07 01:38:24,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-12-07 01:38:24,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 4664 transitions. [2021-12-07 01:38:24,614 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8778467908902692 [2021-12-07 01:38:24,614 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 4664 transitions. [2021-12-07 01:38:24,614 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 4664 transitions. [2021-12-07 01:38:24,616 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:38:24,616 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 4664 transitions. [2021-12-07 01:38:24,625 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 222.0952380952381) internal successors, (4664), 21 states have internal predecessors, (4664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:38:24,632 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 253.0) internal successors, (5566), 22 states have internal predecessors, (5566), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:38:24,634 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 253.0) internal successors, (5566), 22 states have internal predecessors, (5566), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:38:24,634 INFO L186 Difference]: Start difference. First operand has 268 places, 252 transitions, 675 flow. Second operand 21 states and 4664 transitions. [2021-12-07 01:38:24,634 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 288 places, 294 transitions, 941 flow [2021-12-07 01:38:24,638 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 287 places, 294 transitions, 927 flow, removed 6 selfloop flow, removed 1 redundant places. [2021-12-07 01:38:24,642 INFO L242 Difference]: Finished difference. Result has 292 places, 265 transitions, 799 flow [2021-12-07 01:38:24,642 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=253, PETRI_DIFFERENCE_MINUEND_FLOW=669, PETRI_DIFFERENCE_MINUEND_PLACES=267, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=252, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=241, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=799, PETRI_PLACES=292, PETRI_TRANSITIONS=265} [2021-12-07 01:38:24,643 INFO L334 CegarLoopForPetriNet]: 226 programPoint places, 66 predicate places. [2021-12-07 01:38:24,643 INFO L470 AbstractCegarLoop]: Abstraction has has 292 places, 265 transitions, 799 flow [2021-12-07 01:38:24,644 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 222.375) internal successors, (3558), 16 states have internal predecessors, (3558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:38:24,644 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:38:24,645 INFO L254 CegarLoopForPetriNet]: trace histogram [49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:38:24,669 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1048c712-066d-48a8-aafe-636dc871e4ef/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-12-07 01:38:24,845 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1048c712-066d-48a8-aafe-636dc871e4ef/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:38:24,845 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:38:24,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:38:24,846 INFO L85 PathProgramCache]: Analyzing trace with hash 1522377795, now seen corresponding path program 5 times [2021-12-07 01:38:24,846 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:38:24,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595002837] [2021-12-07 01:38:24,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:38:24,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:38:24,989 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-07 01:38:24,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [350364791] [2021-12-07 01:38:24,990 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-12-07 01:38:24,990 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:38:24,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1048c712-066d-48a8-aafe-636dc871e4ef/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:38:24,991 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1048c712-066d-48a8-aafe-636dc871e4ef/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 01:38:24,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1048c712-066d-48a8-aafe-636dc871e4ef/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process