./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/stack_longer-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6247c422-0b3c-4b87-9827-5b82b2f47297/bin/uautomizer-w2VwFs6gM0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6247c422-0b3c-4b87-9827-5b82b2f47297/bin/uautomizer-w2VwFs6gM0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6247c422-0b3c-4b87-9827-5b82b2f47297/bin/uautomizer-w2VwFs6gM0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6247c422-0b3c-4b87-9827-5b82b2f47297/bin/uautomizer-w2VwFs6gM0/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread/stack_longer-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6247c422-0b3c-4b87-9827-5b82b2f47297/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6247c422-0b3c-4b87-9827-5b82b2f47297/bin/uautomizer-w2VwFs6gM0 --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 4351dece6a672e511bbcb86915e62fc8a7361763ad7ab88f2e640b2d00ea50a7 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 16:05:11,887 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 16:05:11,889 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 16:05:11,959 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 16:05:11,959 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 16:05:11,967 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 16:05:11,970 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 16:05:11,975 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 16:05:11,980 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 16:05:11,990 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 16:05:11,991 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 16:05:11,993 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 16:05:11,994 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 16:05:11,995 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 16:05:11,997 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 16:05:11,999 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 16:05:12,001 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 16:05:12,002 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 16:05:12,010 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 16:05:12,023 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 16:05:12,026 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 16:05:12,028 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 16:05:12,038 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 16:05:12,039 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 16:05:12,044 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 16:05:12,045 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 16:05:12,046 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 16:05:12,049 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 16:05:12,049 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 16:05:12,051 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 16:05:12,053 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 16:05:12,054 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 16:05:12,057 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 16:05:12,059 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 16:05:12,061 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 16:05:12,061 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 16:05:12,062 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 16:05:12,063 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 16:05:12,063 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 16:05:12,064 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 16:05:12,065 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 16:05:12,067 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6247c422-0b3c-4b87-9827-5b82b2f47297/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-22 16:05:12,136 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 16:05:12,137 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 16:05:12,137 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 16:05:12,138 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 16:05:12,145 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 16:05:12,146 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 16:05:12,146 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 16:05:12,146 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 16:05:12,147 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 16:05:12,147 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 16:05:12,148 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 16:05:12,148 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 16:05:12,149 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 16:05:12,149 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 16:05:12,149 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 16:05:12,149 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 16:05:12,150 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 16:05:12,150 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 16:05:12,150 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 16:05:12,151 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 16:05:12,151 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 16:05:12,151 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 16:05:12,151 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 16:05:12,152 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 16:05:12,153 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 16:05:12,153 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 16:05:12,153 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 16:05:12,153 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 16:05:12,154 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-22 16:05:12,156 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-22 16:05:12,156 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 16:05:12,156 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 16:05:12,157 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_6247c422-0b3c-4b87-9827-5b82b2f47297/bin/uautomizer-w2VwFs6gM0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6247c422-0b3c-4b87-9827-5b82b2f47297/bin/uautomizer-w2VwFs6gM0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4351dece6a672e511bbcb86915e62fc8a7361763ad7ab88f2e640b2d00ea50a7 [2021-11-22 16:05:12,560 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 16:05:12,591 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 16:05:12,594 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 16:05:12,596 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 16:05:12,597 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 16:05:12,599 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6247c422-0b3c-4b87-9827-5b82b2f47297/bin/uautomizer-w2VwFs6gM0/../../sv-benchmarks/c/pthread/stack_longer-1.i [2021-11-22 16:05:12,691 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6247c422-0b3c-4b87-9827-5b82b2f47297/bin/uautomizer-w2VwFs6gM0/data/3aff3c98c/8121a6b7492b420a9b6605868dcba1fe/FLAG8a10744aa [2021-11-22 16:05:13,486 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 16:05:13,487 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6247c422-0b3c-4b87-9827-5b82b2f47297/sv-benchmarks/c/pthread/stack_longer-1.i [2021-11-22 16:05:13,539 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6247c422-0b3c-4b87-9827-5b82b2f47297/bin/uautomizer-w2VwFs6gM0/data/3aff3c98c/8121a6b7492b420a9b6605868dcba1fe/FLAG8a10744aa [2021-11-22 16:05:13,717 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6247c422-0b3c-4b87-9827-5b82b2f47297/bin/uautomizer-w2VwFs6gM0/data/3aff3c98c/8121a6b7492b420a9b6605868dcba1fe [2021-11-22 16:05:13,721 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 16:05:13,723 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 16:05:13,726 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 16:05:13,726 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 16:05:13,735 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 16:05:13,736 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 04:05:13" (1/1) ... [2021-11-22 16:05:13,738 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b799a62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:05:13, skipping insertion in model container [2021-11-22 16:05:13,738 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 04:05:13" (1/1) ... [2021-11-22 16:05:13,747 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 16:05:13,807 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 16:05:14,466 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_6247c422-0b3c-4b87-9827-5b82b2f47297/sv-benchmarks/c/pthread/stack_longer-1.i[41527,41540] [2021-11-22 16:05:14,498 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 16:05:14,515 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 16:05:14,590 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_6247c422-0b3c-4b87-9827-5b82b2f47297/sv-benchmarks/c/pthread/stack_longer-1.i[41527,41540] [2021-11-22 16:05:14,605 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 16:05:14,724 INFO L208 MainTranslator]: Completed translation [2021-11-22 16:05:14,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:05:14 WrapperNode [2021-11-22 16:05:14,726 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 16:05:14,727 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 16:05:14,727 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 16:05:14,728 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 16:05:14,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:05:14" (1/1) ... [2021-11-22 16:05:14,787 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:05:14" (1/1) ... [2021-11-22 16:05:14,842 INFO L137 Inliner]: procedures = 277, calls = 41, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 157 [2021-11-22 16:05:14,847 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 16:05:14,848 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 16:05:14,849 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 16:05:14,849 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 16:05:14,860 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:05:14" (1/1) ... [2021-11-22 16:05:14,861 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:05:14" (1/1) ... [2021-11-22 16:05:14,885 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:05:14" (1/1) ... [2021-11-22 16:05:14,886 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:05:14" (1/1) ... [2021-11-22 16:05:14,896 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:05:14" (1/1) ... [2021-11-22 16:05:14,916 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:05:14" (1/1) ... [2021-11-22 16:05:14,919 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:05:14" (1/1) ... [2021-11-22 16:05:14,924 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 16:05:14,925 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 16:05:14,926 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 16:05:14,926 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 16:05:14,935 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:05:14" (1/1) ... [2021-11-22 16:05:14,945 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 16:05:14,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6247c422-0b3c-4b87-9827-5b82b2f47297/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:05:14,989 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6247c422-0b3c-4b87-9827-5b82b2f47297/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-22 16:05:15,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6247c422-0b3c-4b87-9827-5b82b2f47297/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-22 16:05:15,080 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-11-22 16:05:15,080 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-11-22 16:05:15,081 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-11-22 16:05:15,081 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-11-22 16:05:15,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 16:05:15,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 16:05:15,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 16:05:15,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 16:05:15,082 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-22 16:05:15,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 16:05:15,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 16:05:15,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 16:05:15,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 16:05:15,087 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-22 16:05:15,284 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 16:05:15,286 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 16:05:15,713 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 16:05:15,735 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 16:05:15,739 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-22 16:05:15,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 04:05:15 BoogieIcfgContainer [2021-11-22 16:05:15,744 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 16:05:15,747 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-22 16:05:15,748 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-22 16:05:15,753 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-22 16:05:15,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 04:05:13" (1/3) ... [2021-11-22 16:05:15,756 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55239225 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 04:05:15, skipping insertion in model container [2021-11-22 16:05:15,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:05:14" (2/3) ... [2021-11-22 16:05:15,757 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55239225 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 04:05:15, skipping insertion in model container [2021-11-22 16:05:15,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 04:05:15" (3/3) ... [2021-11-22 16:05:15,760 INFO L111 eAbstractionObserver]: Analyzing ICFG stack_longer-1.i [2021-11-22 16:05:15,767 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-22 16:05:15,768 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-22 16:05:15,768 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-22 16:05:15,768 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-22 16:05:15,853 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,854 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,854 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,855 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,855 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,855 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,856 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,856 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,856 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,857 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,857 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,858 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,858 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,858 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,860 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,860 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,861 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,861 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,862 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,862 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,863 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,863 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,865 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,865 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,866 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,867 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,868 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,868 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,868 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,869 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,870 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,870 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,870 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,870 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,872 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,872 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,872 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,873 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,873 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,873 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,874 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,874 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,874 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,875 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,875 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,875 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,876 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,876 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,877 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,877 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,878 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,878 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,878 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,878 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,879 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,879 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,879 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,880 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,880 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,880 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,880 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,881 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,881 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,881 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,881 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,882 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,882 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,882 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,883 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,883 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,883 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,884 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,884 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,884 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,885 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,885 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,885 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,886 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,886 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,887 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,887 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,887 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,888 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,890 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,893 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,893 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,894 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,894 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,895 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,896 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,896 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,897 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,897 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,905 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,905 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,905 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,906 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,907 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,909 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,909 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,910 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,910 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,911 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,912 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,912 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,912 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,913 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,913 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,913 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,913 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,914 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,914 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,914 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,914 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,915 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,916 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,916 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,916 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,917 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,917 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,917 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,918 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,918 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,918 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,918 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,919 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,919 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,919 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,920 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,920 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,920 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,920 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,921 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,921 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,921 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,921 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,926 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,927 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,927 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,927 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,928 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,928 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,928 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,928 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,929 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,929 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,929 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,929 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,930 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,930 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,930 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,930 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,932 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,932 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,932 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,932 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,933 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,935 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,935 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,936 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,937 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,938 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,938 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,938 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,938 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,939 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,939 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,939 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,939 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,940 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,940 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,940 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,940 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,941 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,941 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,941 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,942 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,942 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,942 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,942 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,943 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,943 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,943 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,943 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,943 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,944 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,944 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,944 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,944 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,945 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,945 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,945 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,945 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,946 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,946 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,946 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,946 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,947 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,947 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,947 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,947 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,948 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,948 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,948 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,948 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,949 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,949 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,949 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,949 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,950 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,951 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,956 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,956 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,957 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,957 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,957 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,957 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,958 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,958 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,958 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,960 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,961 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,961 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,961 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,961 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,962 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,963 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,964 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,973 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,974 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,974 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,974 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,974 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,975 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,975 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,975 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,975 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,976 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,976 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,976 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,977 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,977 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,977 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,977 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,978 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,978 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,978 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,978 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,979 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,979 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,979 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,979 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,980 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,980 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,980 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,981 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,982 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,983 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,983 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,983 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,984 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,984 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,984 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,984 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,985 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,985 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,991 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,991 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,992 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,992 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,992 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,992 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,993 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,993 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,993 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,993 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,993 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,994 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,994 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,994 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,994 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,995 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,995 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,995 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,995 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,996 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,996 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,996 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:15,996 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:16,002 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:16,002 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:16,002 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:16,003 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:16,003 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:16,003 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:16,004 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:16,004 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:16,004 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:16,004 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:16,004 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:16,005 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:16,005 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:16,005 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:16,005 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:16,006 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:16,006 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:16,006 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:16,006 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:05:16,015 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-11-22 16:05:16,100 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-22 16:05:16,113 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 [2021-11-22 16:05:16,113 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-22 16:05:16,137 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 178 places, 181 transitions, 378 flow [2021-11-22 16:05:16,310 INFO L129 PetriNetUnfolder]: 10/179 cut-off events. [2021-11-22 16:05:16,311 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-11-22 16:05:16,322 INFO L84 FinitePrefix]: Finished finitePrefix Result has 188 conditions, 179 events. 10/179 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 435 event pairs, 0 based on Foata normal form. 0/167 useless extension candidates. Maximal degree in co-relation 135. Up to 3 conditions per place. [2021-11-22 16:05:16,322 INFO L82 GeneralOperation]: Start removeDead. Operand has 178 places, 181 transitions, 378 flow [2021-11-22 16:05:16,336 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 166 places, 169 transitions, 347 flow [2021-11-22 16:05:16,410 INFO L129 PetriNetUnfolder]: 4/135 cut-off events. [2021-11-22 16:05:16,411 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-11-22 16:05:16,411 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 16:05:16,412 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:05:16,412 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-22 16:05:16,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:05:16,440 INFO L85 PathProgramCache]: Analyzing trace with hash 154979780, now seen corresponding path program 1 times [2021-11-22 16:05:16,452 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:05:16,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506158468] [2021-11-22 16:05:16,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:05:16,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:05:16,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:05:16,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:05:16,919 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:05:16,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506158468] [2021-11-22 16:05:16,920 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506158468] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:05:16,921 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:05:16,921 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 16:05:16,923 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739758976] [2021-11-22 16:05:16,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:05:16,937 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 16:05:16,937 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:05:16,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 16:05:16,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 16:05:16,981 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 181 [2021-11-22 16:05:16,990 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 169 transitions, 347 flow. Second operand has 3 states, 3 states have (on average 161.0) internal successors, (483), 3 states have internal predecessors, (483), 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) [2021-11-22 16:05:16,991 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-22 16:05:16,992 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 181 [2021-11-22 16:05:16,993 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-22 16:05:17,379 INFO L129 PetriNetUnfolder]: 91/892 cut-off events. [2021-11-22 16:05:17,379 INFO L130 PetriNetUnfolder]: For 46/46 co-relation queries the response was YES. [2021-11-22 16:05:17,390 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1054 conditions, 892 events. 91/892 cut-off events. For 46/46 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 5322 event pairs, 15 based on Foata normal form. 61/880 useless extension candidates. Maximal degree in co-relation 903. Up to 96 conditions per place. [2021-11-22 16:05:17,399 INFO L132 encePairwiseOnDemand]: 172/181 looper letters, 19 selfloop transitions, 3 changer transitions 0/169 dead transitions. [2021-11-22 16:05:17,399 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 169 transitions, 397 flow [2021-11-22 16:05:17,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 16:05:17,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-22 16:05:17,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 512 transitions. [2021-11-22 16:05:17,429 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9429097605893186 [2021-11-22 16:05:17,430 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 512 transitions. [2021-11-22 16:05:17,431 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 512 transitions. [2021-11-22 16:05:17,437 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 16:05:17,440 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 512 transitions. [2021-11-22 16:05:17,448 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 170.66666666666666) internal successors, (512), 3 states have internal predecessors, (512), 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) [2021-11-22 16:05:17,470 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 181.0) internal successors, (724), 4 states have internal predecessors, (724), 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) [2021-11-22 16:05:17,472 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 181.0) internal successors, (724), 4 states have internal predecessors, (724), 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) [2021-11-22 16:05:17,474 INFO L186 Difference]: Start difference. First operand has 166 places, 169 transitions, 347 flow. Second operand 3 states and 512 transitions. [2021-11-22 16:05:17,476 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 169 transitions, 397 flow [2021-11-22 16:05:17,483 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 169 transitions, 389 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-11-22 16:05:17,493 INFO L242 Difference]: Finished difference. Result has 162 places, 162 transitions, 343 flow [2021-11-22 16:05:17,496 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=181, PETRI_DIFFERENCE_MINUEND_FLOW=324, PETRI_DIFFERENCE_MINUEND_PLACES=159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=157, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=343, PETRI_PLACES=162, PETRI_TRANSITIONS=162} [2021-11-22 16:05:17,507 INFO L334 CegarLoopForPetriNet]: 166 programPoint places, -4 predicate places. [2021-11-22 16:05:17,507 INFO L470 AbstractCegarLoop]: Abstraction has has 162 places, 162 transitions, 343 flow [2021-11-22 16:05:17,509 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 161.0) internal successors, (483), 3 states have internal predecessors, (483), 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) [2021-11-22 16:05:17,509 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 16:05:17,510 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:05:17,510 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-22 16:05:17,511 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-22 16:05:17,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:05:17,512 INFO L85 PathProgramCache]: Analyzing trace with hash 482939229, now seen corresponding path program 1 times [2021-11-22 16:05:17,512 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:05:17,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201487268] [2021-11-22 16:05:17,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:05:17,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:05:17,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:05:17,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:05:17,738 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:05:17,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201487268] [2021-11-22 16:05:17,738 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201487268] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:05:17,739 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:05:17,739 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 16:05:17,739 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98284743] [2021-11-22 16:05:17,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:05:17,741 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 16:05:17,742 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:05:17,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 16:05:17,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 16:05:17,746 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 181 [2021-11-22 16:05:17,749 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 162 transitions, 343 flow. Second operand has 3 states, 3 states have (on average 167.33333333333334) internal successors, (502), 3 states have internal predecessors, (502), 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) [2021-11-22 16:05:17,750 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-22 16:05:17,750 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 181 [2021-11-22 16:05:17,750 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-22 16:05:17,884 INFO L129 PetriNetUnfolder]: 21/421 cut-off events. [2021-11-22 16:05:17,884 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-11-22 16:05:17,887 INFO L84 FinitePrefix]: Finished finitePrefix Result has 467 conditions, 421 events. 21/421 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1382 event pairs, 4 based on Foata normal form. 0/395 useless extension candidates. Maximal degree in co-relation 376. Up to 16 conditions per place. [2021-11-22 16:05:17,890 INFO L132 encePairwiseOnDemand]: 178/181 looper letters, 9 selfloop transitions, 2 changer transitions 0/165 dead transitions. [2021-11-22 16:05:17,890 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 165 transitions, 371 flow [2021-11-22 16:05:17,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 16:05:17,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-22 16:05:17,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 510 transitions. [2021-11-22 16:05:17,894 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9392265193370166 [2021-11-22 16:05:17,894 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 510 transitions. [2021-11-22 16:05:17,895 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 510 transitions. [2021-11-22 16:05:17,895 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 16:05:17,896 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 510 transitions. [2021-11-22 16:05:17,898 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 170.0) internal successors, (510), 3 states have internal predecessors, (510), 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) [2021-11-22 16:05:17,902 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 181.0) internal successors, (724), 4 states have internal predecessors, (724), 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) [2021-11-22 16:05:17,903 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 181.0) internal successors, (724), 4 states have internal predecessors, (724), 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) [2021-11-22 16:05:17,903 INFO L186 Difference]: Start difference. First operand has 162 places, 162 transitions, 343 flow. Second operand 3 states and 510 transitions. [2021-11-22 16:05:17,904 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 165 transitions, 371 flow [2021-11-22 16:05:17,909 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 165 transitions, 369 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-11-22 16:05:17,918 INFO L242 Difference]: Finished difference. Result has 164 places, 162 transitions, 348 flow [2021-11-22 16:05:17,918 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=181, PETRI_DIFFERENCE_MINUEND_FLOW=336, PETRI_DIFFERENCE_MINUEND_PLACES=161, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=161, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=159, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=348, PETRI_PLACES=164, PETRI_TRANSITIONS=162} [2021-11-22 16:05:17,920 INFO L334 CegarLoopForPetriNet]: 166 programPoint places, -2 predicate places. [2021-11-22 16:05:17,920 INFO L470 AbstractCegarLoop]: Abstraction has has 164 places, 162 transitions, 348 flow [2021-11-22 16:05:17,921 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 167.33333333333334) internal successors, (502), 3 states have internal predecessors, (502), 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) [2021-11-22 16:05:17,921 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 16:05:17,922 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:05:17,922 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-22 16:05:17,922 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-22 16:05:17,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:05:17,924 INFO L85 PathProgramCache]: Analyzing trace with hash -1336772678, now seen corresponding path program 1 times [2021-11-22 16:05:17,924 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:05:17,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158093598] [2021-11-22 16:05:17,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:05:17,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:05:17,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:05:18,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:05:18,095 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:05:18,096 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158093598] [2021-11-22 16:05:18,098 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158093598] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:05:18,098 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:05:18,099 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 16:05:18,099 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483115763] [2021-11-22 16:05:18,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:05:18,102 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 16:05:18,102 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:05:18,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 16:05:18,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 16:05:18,106 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 181 [2021-11-22 16:05:18,108 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 164 places, 162 transitions, 348 flow. Second operand has 4 states, 4 states have (on average 162.75) internal successors, (651), 4 states have internal predecessors, (651), 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) [2021-11-22 16:05:18,108 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-22 16:05:18,109 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 181 [2021-11-22 16:05:18,109 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-22 16:05:18,394 INFO L129 PetriNetUnfolder]: 41/518 cut-off events. [2021-11-22 16:05:18,394 INFO L130 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2021-11-22 16:05:18,399 INFO L84 FinitePrefix]: Finished finitePrefix Result has 664 conditions, 518 events. 41/518 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 2063 event pairs, 13 based on Foata normal form. 0/487 useless extension candidates. Maximal degree in co-relation 403. Up to 37 conditions per place. [2021-11-22 16:05:18,403 INFO L132 encePairwiseOnDemand]: 176/181 looper letters, 16 selfloop transitions, 4 changer transitions 0/170 dead transitions. [2021-11-22 16:05:18,403 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 167 places, 170 transitions, 409 flow [2021-11-22 16:05:18,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 16:05:18,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-11-22 16:05:18,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 665 transitions. [2021-11-22 16:05:18,408 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9185082872928176 [2021-11-22 16:05:18,408 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 665 transitions. [2021-11-22 16:05:18,408 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 665 transitions. [2021-11-22 16:05:18,409 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 16:05:18,409 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 665 transitions. [2021-11-22 16:05:18,413 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 166.25) internal successors, (665), 4 states have internal predecessors, (665), 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) [2021-11-22 16:05:18,416 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 181.0) internal successors, (905), 5 states have internal predecessors, (905), 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) [2021-11-22 16:05:18,417 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 181.0) internal successors, (905), 5 states have internal predecessors, (905), 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) [2021-11-22 16:05:18,417 INFO L186 Difference]: Start difference. First operand has 164 places, 162 transitions, 348 flow. Second operand 4 states and 665 transitions. [2021-11-22 16:05:18,418 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 167 places, 170 transitions, 409 flow [2021-11-22 16:05:18,421 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 170 transitions, 407 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-11-22 16:05:18,427 INFO L242 Difference]: Finished difference. Result has 168 places, 165 transitions, 374 flow [2021-11-22 16:05:18,428 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=181, PETRI_DIFFERENCE_MINUEND_FLOW=346, PETRI_DIFFERENCE_MINUEND_PLACES=163, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=162, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=374, PETRI_PLACES=168, PETRI_TRANSITIONS=165} [2021-11-22 16:05:18,429 INFO L334 CegarLoopForPetriNet]: 166 programPoint places, 2 predicate places. [2021-11-22 16:05:18,429 INFO L470 AbstractCegarLoop]: Abstraction has has 168 places, 165 transitions, 374 flow [2021-11-22 16:05:18,430 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 162.75) internal successors, (651), 4 states have internal predecessors, (651), 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) [2021-11-22 16:05:18,431 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 16:05:18,431 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:05:18,431 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-22 16:05:18,432 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-22 16:05:18,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:05:18,433 INFO L85 PathProgramCache]: Analyzing trace with hash -1266313920, now seen corresponding path program 1 times [2021-11-22 16:05:18,433 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:05:18,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375557076] [2021-11-22 16:05:18,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:05:18,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:05:18,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:05:18,620 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:05:18,621 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:05:18,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375557076] [2021-11-22 16:05:18,623 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375557076] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 16:05:18,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1122991143] [2021-11-22 16:05:18,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:05:18,629 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 16:05:18,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6247c422-0b3c-4b87-9827-5b82b2f47297/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:05:18,635 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6247c422-0b3c-4b87-9827-5b82b2f47297/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 16:05:18,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6247c422-0b3c-4b87-9827-5b82b2f47297/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-22 16:05:18,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:05:18,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-22 16:05:18,816 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 16:05:19,277 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:05:19,278 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 16:05:19,621 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:05:19,623 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1122991143] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 16:05:19,623 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-22 16:05:19,623 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2021-11-22 16:05:19,624 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126424618] [2021-11-22 16:05:19,624 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-22 16:05:19,627 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-22 16:05:19,627 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:05:19,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-22 16:05:19,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-11-22 16:05:19,635 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 181 [2021-11-22 16:05:19,639 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 165 transitions, 374 flow. Second operand has 10 states, 10 states have (on average 160.5) internal successors, (1605), 10 states have internal predecessors, (1605), 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) [2021-11-22 16:05:19,639 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-22 16:05:19,639 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 181 [2021-11-22 16:05:19,639 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-22 16:05:20,338 INFO L129 PetriNetUnfolder]: 176/1670 cut-off events. [2021-11-22 16:05:20,338 INFO L130 PetriNetUnfolder]: For 83/83 co-relation queries the response was YES. [2021-11-22 16:05:20,351 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2230 conditions, 1670 events. 176/1670 cut-off events. For 83/83 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 10785 event pairs, 28 based on Foata normal form. 9/1586 useless extension candidates. Maximal degree in co-relation 1750. Up to 135 conditions per place. [2021-11-22 16:05:20,366 INFO L132 encePairwiseOnDemand]: 175/181 looper letters, 48 selfloop transitions, 14 changer transitions 0/211 dead transitions. [2021-11-22 16:05:20,367 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 177 places, 211 transitions, 623 flow [2021-11-22 16:05:20,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-22 16:05:20,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-11-22 16:05:20,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1644 transitions. [2021-11-22 16:05:20,374 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9082872928176795 [2021-11-22 16:05:20,375 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1644 transitions. [2021-11-22 16:05:20,375 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1644 transitions. [2021-11-22 16:05:20,377 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 16:05:20,377 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1644 transitions. [2021-11-22 16:05:20,385 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 164.4) internal successors, (1644), 10 states have internal predecessors, (1644), 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) [2021-11-22 16:05:20,392 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 181.0) internal successors, (1991), 11 states have internal predecessors, (1991), 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) [2021-11-22 16:05:20,395 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 181.0) internal successors, (1991), 11 states have internal predecessors, (1991), 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) [2021-11-22 16:05:20,395 INFO L186 Difference]: Start difference. First operand has 168 places, 165 transitions, 374 flow. Second operand 10 states and 1644 transitions. [2021-11-22 16:05:20,395 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 177 places, 211 transitions, 623 flow [2021-11-22 16:05:20,401 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 176 places, 211 transitions, 621 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-11-22 16:05:20,407 INFO L242 Difference]: Finished difference. Result has 179 places, 178 transitions, 466 flow [2021-11-22 16:05:20,407 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=181, PETRI_DIFFERENCE_MINUEND_FLOW=372, PETRI_DIFFERENCE_MINUEND_PLACES=167, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=165, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=159, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=466, PETRI_PLACES=179, PETRI_TRANSITIONS=178} [2021-11-22 16:05:20,409 INFO L334 CegarLoopForPetriNet]: 166 programPoint places, 13 predicate places. [2021-11-22 16:05:20,410 INFO L470 AbstractCegarLoop]: Abstraction has has 179 places, 178 transitions, 466 flow [2021-11-22 16:05:20,412 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 160.5) internal successors, (1605), 10 states have internal predecessors, (1605), 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) [2021-11-22 16:05:20,413 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 16:05:20,413 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:05:20,458 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6247c422-0b3c-4b87-9827-5b82b2f47297/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-22 16:05:20,630 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6247c422-0b3c-4b87-9827-5b82b2f47297/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 16:05:20,631 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-22 16:05:20,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:05:20,631 INFO L85 PathProgramCache]: Analyzing trace with hash 795727884, now seen corresponding path program 1 times [2021-11-22 16:05:20,632 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:05:20,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431249959] [2021-11-22 16:05:20,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:05:20,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:05:20,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:05:20,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:05:20,772 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:05:20,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431249959] [2021-11-22 16:05:20,773 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431249959] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:05:20,773 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:05:20,773 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 16:05:20,773 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970820057] [2021-11-22 16:05:20,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:05:20,774 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 16:05:20,775 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:05:20,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 16:05:20,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 16:05:20,777 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 181 [2021-11-22 16:05:20,779 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 179 places, 178 transitions, 466 flow. Second operand has 3 states, 3 states have (on average 162.66666666666666) internal successors, (488), 3 states have internal predecessors, (488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:05:20,779 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-22 16:05:20,779 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 181 [2021-11-22 16:05:20,780 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-22 16:05:21,075 INFO L129 PetriNetUnfolder]: 50/1067 cut-off events. [2021-11-22 16:05:21,076 INFO L130 PetriNetUnfolder]: For 56/56 co-relation queries the response was YES. [2021-11-22 16:05:21,081 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1363 conditions, 1067 events. 50/1067 cut-off events. For 56/56 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 4642 event pairs, 10 based on Foata normal form. 12/1033 useless extension candidates. Maximal degree in co-relation 998. Up to 46 conditions per place. [2021-11-22 16:05:21,086 INFO L132 encePairwiseOnDemand]: 177/181 looper letters, 12 selfloop transitions, 4 changer transitions 0/175 dead transitions. [2021-11-22 16:05:21,087 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 180 places, 175 transitions, 477 flow [2021-11-22 16:05:21,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 16:05:21,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-22 16:05:21,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 495 transitions. [2021-11-22 16:05:21,090 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9116022099447514 [2021-11-22 16:05:21,091 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 495 transitions. [2021-11-22 16:05:21,091 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 495 transitions. [2021-11-22 16:05:21,092 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 16:05:21,092 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 495 transitions. [2021-11-22 16:05:21,094 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 165.0) internal successors, (495), 3 states have internal predecessors, (495), 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) [2021-11-22 16:05:21,096 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 181.0) internal successors, (724), 4 states have internal predecessors, (724), 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) [2021-11-22 16:05:21,097 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 181.0) internal successors, (724), 4 states have internal predecessors, (724), 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) [2021-11-22 16:05:21,098 INFO L186 Difference]: Start difference. First operand has 179 places, 178 transitions, 466 flow. Second operand 3 states and 495 transitions. [2021-11-22 16:05:21,098 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 180 places, 175 transitions, 477 flow [2021-11-22 16:05:21,106 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 179 places, 175 transitions, 465 flow, removed 5 selfloop flow, removed 1 redundant places. [2021-11-22 16:05:21,110 INFO L242 Difference]: Finished difference. Result has 179 places, 173 transitions, 434 flow [2021-11-22 16:05:21,111 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=181, PETRI_DIFFERENCE_MINUEND_FLOW=426, PETRI_DIFFERENCE_MINUEND_PLACES=177, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=173, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=169, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=434, PETRI_PLACES=179, PETRI_TRANSITIONS=173} [2021-11-22 16:05:21,114 INFO L334 CegarLoopForPetriNet]: 166 programPoint places, 13 predicate places. [2021-11-22 16:05:21,114 INFO L470 AbstractCegarLoop]: Abstraction has has 179 places, 173 transitions, 434 flow [2021-11-22 16:05:21,115 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 162.66666666666666) internal successors, (488), 3 states have internal predecessors, (488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:05:21,115 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 16:05:21,116 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:05:21,116 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-22 16:05:21,116 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-22 16:05:21,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:05:21,117 INFO L85 PathProgramCache]: Analyzing trace with hash 1350066491, now seen corresponding path program 1 times [2021-11-22 16:05:21,117 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:05:21,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453771504] [2021-11-22 16:05:21,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:05:21,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:05:21,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:05:21,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:05:21,297 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:05:21,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453771504] [2021-11-22 16:05:21,298 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453771504] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:05:21,298 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:05:21,299 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-22 16:05:21,299 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192235571] [2021-11-22 16:05:21,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:05:21,300 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-22 16:05:21,300 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:05:21,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-22 16:05:21,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-22 16:05:21,305 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 181 [2021-11-22 16:05:21,307 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 179 places, 173 transitions, 434 flow. Second operand has 7 states, 7 states have (on average 150.28571428571428) internal successors, (1052), 7 states have internal predecessors, (1052), 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) [2021-11-22 16:05:21,307 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-22 16:05:21,307 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 181 [2021-11-22 16:05:21,308 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-22 16:05:21,783 INFO L129 PetriNetUnfolder]: 116/1221 cut-off events. [2021-11-22 16:05:21,783 INFO L130 PetriNetUnfolder]: For 131/131 co-relation queries the response was YES. [2021-11-22 16:05:21,789 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1825 conditions, 1221 events. 116/1221 cut-off events. For 131/131 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 6125 event pairs, 19 based on Foata normal form. 0/1169 useless extension candidates. Maximal degree in co-relation 1103. Up to 178 conditions per place. [2021-11-22 16:05:21,796 INFO L132 encePairwiseOnDemand]: 170/181 looper letters, 49 selfloop transitions, 13 changer transitions 0/201 dead transitions. [2021-11-22 16:05:21,796 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 187 places, 201 transitions, 643 flow [2021-11-22 16:05:21,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-22 16:05:21,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-11-22 16:05:21,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1389 transitions. [2021-11-22 16:05:21,803 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.852670349907919 [2021-11-22 16:05:21,803 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1389 transitions. [2021-11-22 16:05:21,804 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1389 transitions. [2021-11-22 16:05:21,805 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 16:05:21,806 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1389 transitions. [2021-11-22 16:05:21,811 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 154.33333333333334) internal successors, (1389), 9 states have internal predecessors, (1389), 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) [2021-11-22 16:05:21,817 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 181.0) internal successors, (1810), 10 states have internal predecessors, (1810), 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) [2021-11-22 16:05:21,818 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 181.0) internal successors, (1810), 10 states have internal predecessors, (1810), 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) [2021-11-22 16:05:21,819 INFO L186 Difference]: Start difference. First operand has 179 places, 173 transitions, 434 flow. Second operand 9 states and 1389 transitions. [2021-11-22 16:05:21,819 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 187 places, 201 transitions, 643 flow [2021-11-22 16:05:21,824 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 186 places, 201 transitions, 639 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-11-22 16:05:21,830 INFO L242 Difference]: Finished difference. Result has 191 places, 180 transitions, 518 flow [2021-11-22 16:05:21,831 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=181, PETRI_DIFFERENCE_MINUEND_FLOW=430, PETRI_DIFFERENCE_MINUEND_PLACES=178, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=173, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=160, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=518, PETRI_PLACES=191, PETRI_TRANSITIONS=180} [2021-11-22 16:05:21,834 INFO L334 CegarLoopForPetriNet]: 166 programPoint places, 25 predicate places. [2021-11-22 16:05:21,834 INFO L470 AbstractCegarLoop]: Abstraction has has 191 places, 180 transitions, 518 flow [2021-11-22 16:05:21,835 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 150.28571428571428) internal successors, (1052), 7 states have internal predecessors, (1052), 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) [2021-11-22 16:05:21,836 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 16:05:21,836 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:05:21,836 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-22 16:05:21,843 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-22 16:05:21,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:05:21,844 INFO L85 PathProgramCache]: Analyzing trace with hash 1044239535, now seen corresponding path program 1 times [2021-11-22 16:05:21,844 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:05:21,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562554269] [2021-11-22 16:05:21,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:05:21,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:05:21,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:05:23,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:05:23,180 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:05:23,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562554269] [2021-11-22 16:05:23,181 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562554269] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:05:23,181 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:05:23,181 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2021-11-22 16:05:23,181 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492273461] [2021-11-22 16:05:23,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:05:23,182 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-11-22 16:05:23,182 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:05:23,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-11-22 16:05:23,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=416, Unknown=0, NotChecked=0, Total=506 [2021-11-22 16:05:23,191 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 181 [2021-11-22 16:05:23,197 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 191 places, 180 transitions, 518 flow. Second operand has 23 states, 23 states have (on average 114.1304347826087) internal successors, (2625), 23 states have internal predecessors, (2625), 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) [2021-11-22 16:05:23,197 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-22 16:05:23,198 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 181 [2021-11-22 16:05:23,198 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-22 16:05:27,100 INFO L129 PetriNetUnfolder]: 1151/5839 cut-off events. [2021-11-22 16:05:27,100 INFO L130 PetriNetUnfolder]: For 712/712 co-relation queries the response was YES. [2021-11-22 16:05:27,142 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9578 conditions, 5839 events. 1151/5839 cut-off events. For 712/712 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 43899 event pairs, 121 based on Foata normal form. 0/5645 useless extension candidates. Maximal degree in co-relation 7684. Up to 1036 conditions per place. [2021-11-22 16:05:27,175 INFO L132 encePairwiseOnDemand]: 159/181 looper letters, 182 selfloop transitions, 25 changer transitions 5/335 dead transitions. [2021-11-22 16:05:27,175 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 211 places, 335 transitions, 1277 flow [2021-11-22 16:05:27,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-22 16:05:27,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-11-22 16:05:27,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 2565 transitions. [2021-11-22 16:05:27,186 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6748224151539068 [2021-11-22 16:05:27,186 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 2565 transitions. [2021-11-22 16:05:27,187 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 2565 transitions. [2021-11-22 16:05:27,189 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 16:05:27,189 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 2565 transitions. [2021-11-22 16:05:27,198 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 122.14285714285714) internal successors, (2565), 21 states have internal predecessors, (2565), 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) [2021-11-22 16:05:27,209 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 181.0) internal successors, (3982), 22 states have internal predecessors, (3982), 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) [2021-11-22 16:05:27,212 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 181.0) internal successors, (3982), 22 states have internal predecessors, (3982), 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) [2021-11-22 16:05:27,213 INFO L186 Difference]: Start difference. First operand has 191 places, 180 transitions, 518 flow. Second operand 21 states and 2565 transitions. [2021-11-22 16:05:27,213 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 211 places, 335 transitions, 1277 flow [2021-11-22 16:05:27,222 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 208 places, 335 transitions, 1269 flow, removed 1 selfloop flow, removed 3 redundant places. [2021-11-22 16:05:27,229 INFO L242 Difference]: Finished difference. Result has 222 places, 201 transitions, 676 flow [2021-11-22 16:05:27,230 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=181, PETRI_DIFFERENCE_MINUEND_FLOW=510, PETRI_DIFFERENCE_MINUEND_PLACES=188, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=180, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=159, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=676, PETRI_PLACES=222, PETRI_TRANSITIONS=201} [2021-11-22 16:05:27,231 INFO L334 CegarLoopForPetriNet]: 166 programPoint places, 56 predicate places. [2021-11-22 16:05:27,231 INFO L470 AbstractCegarLoop]: Abstraction has has 222 places, 201 transitions, 676 flow [2021-11-22 16:05:27,233 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 114.1304347826087) internal successors, (2625), 23 states have internal predecessors, (2625), 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) [2021-11-22 16:05:27,233 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 16:05:27,234 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:05:27,234 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-22 16:05:27,235 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-22 16:05:27,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:05:27,236 INFO L85 PathProgramCache]: Analyzing trace with hash -108484663, now seen corresponding path program 1 times [2021-11-22 16:05:27,236 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:05:27,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127523494] [2021-11-22 16:05:27,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:05:27,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:05:27,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 16:05:27,295 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 16:05:27,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 16:05:27,503 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 16:05:27,504 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-22 16:05:27,505 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t2Err0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2021-11-22 16:05:27,507 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 6 remaining) [2021-11-22 16:05:27,508 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (3 of 6 remaining) [2021-11-22 16:05:27,508 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t1Err0ASSERT_VIOLATIONERROR_FUNCTION (2 of 6 remaining) [2021-11-22 16:05:27,508 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t2Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 6 remaining) [2021-11-22 16:05:27,509 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2021-11-22 16:05:27,509 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-22 16:05:27,514 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:05:27,521 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-22 16:05:27,521 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-22 16:05:27,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 04:05:27 BasicIcfg [2021-11-22 16:05:27,723 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-22 16:05:27,723 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-22 16:05:27,724 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-22 16:05:27,724 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-22 16:05:27,724 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 04:05:15" (3/4) ... [2021-11-22 16:05:27,726 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-22 16:05:27,857 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6247c422-0b3c-4b87-9827-5b82b2f47297/bin/uautomizer-w2VwFs6gM0/witness.graphml [2021-11-22 16:05:27,857 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-22 16:05:27,858 INFO L158 Benchmark]: Toolchain (without parser) took 14134.92ms. Allocated memory was 92.3MB in the beginning and 239.1MB in the end (delta: 146.8MB). Free memory was 58.2MB in the beginning and 88.4MB in the end (delta: -30.2MB). Peak memory consumption was 116.2MB. Max. memory is 16.1GB. [2021-11-22 16:05:27,859 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 92.3MB. Free memory was 45.5MB in the beginning and 45.5MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 16:05:27,859 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1000.20ms. Allocated memory is still 92.3MB. Free memory was 58.1MB in the beginning and 49.5MB in the end (delta: 8.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-22 16:05:27,860 INFO L158 Benchmark]: Boogie Procedure Inliner took 120.54ms. Allocated memory is still 92.3MB. Free memory was 49.5MB in the beginning and 46.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 16:05:27,860 INFO L158 Benchmark]: Boogie Preprocessor took 75.95ms. Allocated memory is still 92.3MB. Free memory was 46.8MB in the beginning and 45.0MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 16:05:27,861 INFO L158 Benchmark]: RCFGBuilder took 819.40ms. Allocated memory was 92.3MB in the beginning and 117.4MB in the end (delta: 25.2MB). Free memory was 45.0MB in the beginning and 81.6MB in the end (delta: -36.6MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2021-11-22 16:05:27,861 INFO L158 Benchmark]: TraceAbstraction took 11975.88ms. Allocated memory was 117.4MB in the beginning and 239.1MB in the end (delta: 121.6MB). Free memory was 80.8MB in the beginning and 125.1MB in the end (delta: -44.3MB). Peak memory consumption was 113.8MB. Max. memory is 16.1GB. [2021-11-22 16:05:27,862 INFO L158 Benchmark]: Witness Printer took 133.81ms. Allocated memory is still 239.1MB. Free memory was 125.1MB in the beginning and 88.4MB in the end (delta: 36.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2021-11-22 16:05:27,864 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 92.3MB. Free memory was 45.5MB in the beginning and 45.5MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1000.20ms. Allocated memory is still 92.3MB. Free memory was 58.1MB in the beginning and 49.5MB in the end (delta: 8.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 120.54ms. Allocated memory is still 92.3MB. Free memory was 49.5MB in the beginning and 46.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.95ms. Allocated memory is still 92.3MB. Free memory was 46.8MB in the beginning and 45.0MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 819.40ms. Allocated memory was 92.3MB in the beginning and 117.4MB in the end (delta: 25.2MB). Free memory was 45.0MB in the beginning and 81.6MB in the end (delta: -36.6MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. * TraceAbstraction took 11975.88ms. Allocated memory was 117.4MB in the beginning and 239.1MB in the end (delta: 121.6MB). Free memory was 80.8MB in the beginning and 125.1MB in the end (delta: -44.3MB). Peak memory consumption was 113.8MB. Max. memory is 16.1GB. * Witness Printer took 133.81ms. Allocated memory is still 239.1MB. Free memory was 125.1MB in the beginning and 88.4MB in the end (delta: 36.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 940]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L935] 0 static int top=0; VAL [top=0] [L936] 0 static unsigned int arr[(400)]; VAL [arr={5:0}, top=0] [L937] 0 pthread_mutex_t m; VAL [arr={5:0}, m={6:0}, top=0] [L938] 0 _Bool flag=(0); VAL [arr={5:0}, flag=0, m={6:0}, top=0] [L1019] 0 pthread_t id1, id2; VAL [arr={5:0}, flag=0, id1={9:0}, id2={7:0}, m={6:0}, top=0] [L1021] FCALL, FORK 0 pthread_create(&id1, ((void *)0), t1, ((void *)0)) VAL [arr={5:0}, flag=0, id1={9:0}, id2={7:0}, m={6:0}, pthread_create(&id1, ((void *)0), t1, ((void *)0))=10, top=0] [L988] 1 int i; VAL [arg={0:0}, arg={0:0}, arr={5:0}, flag=0, m={6:0}, top=0] [L989] 1 unsigned int tmp; VAL [arg={0:0}, arg={0:0}, arr={5:0}, flag=0, m={6:0}, top=0] [L990] 1 i=0 VAL [arg={0:0}, arg={0:0}, arr={5:0}, flag=0, i=0, m={6:0}, top=0] [L990] COND TRUE 1 i<(400) VAL [arg={0:0}, arg={0:0}, arr={5:0}, flag=0, i=0, m={6:0}, top=0] [L993] 1 tmp = __VERIFIER_nondet_uint() VAL [__VERIFIER_nondet_uint()=4294967695, arg={0:0}, arg={0:0}, arr={5:0}, flag=0, i=0, m={6:0}, tmp=399, top=0] [L1022] FCALL, FORK 0 pthread_create(&id2, ((void *)0), t2, ((void *)0)) VAL [arr={5:0}, flag=0, id1={9:0}, id2={7:0}, m={6:0}, pthread_create(&id2, ((void *)0), t2, ((void *)0))=11, top=0] [L994] CALL 1 assume_abort_if_not(tmp < (400)) [L23] COND FALSE 1 !(!cond) VAL [\old(cond)=1, arr={5:0}, cond=1, flag=0, m={6:0}, top=0] [L994] RET 1 assume_abort_if_not(tmp < (400)) [L995] CALL, EXPR 1 push(arr,tmp) [L960] COND FALSE 1 !(top==(400)) VAL [\old(x)=399, arr={5:0}, flag=0, m={6:0}, stack={5:0}, stack={5:0}, top=0, x=399] [L967] CALL, EXPR 1 get_top() [L952] 1 return top; VAL [\result=0, arr={5:0}, flag=0, m={6:0}, top=0] [L967] RET, EXPR 1 get_top() [L967] 1 stack[get_top()] = x VAL [\old(x)=399, arr={5:0}, flag=0, get_top()=0, m={6:0}, stack={5:0}, stack={5:0}, top=0, x=399] [L968] CALL 1 inc_top() [L944] 1 top++ VAL [arr={5:0}, flag=0, m={6:0}, top=1] [L968] RET 1 inc_top() [L970] 1 return 0; VAL [\old(x)=399, \result=0, arr={5:0}, flag=0, m={6:0}, stack={5:0}, stack={5:0}, top=1, x=399] [L995] RET, EXPR 1 push(arr,tmp) [L995] COND FALSE 1 !(push(arr,tmp)==(-1)) VAL [arg={0:0}, arg={0:0}, arr={5:0}, flag=0, i=0, m={6:0}, push(arr,tmp)=0, tmp=399, top=1] [L997] 1 flag=(1) VAL [arg={0:0}, arg={0:0}, arr={5:0}, flag=1, i=0, m={6:0}, tmp=399, top=1] [L1004] 2 int i; VAL [arg={0:0}, arg={0:0}, arr={5:0}, flag=1, m={6:0}, top=1] [L1005] 2 i=0 VAL [arg={0:0}, arg={0:0}, arr={5:0}, flag=1, i=0, m={6:0}, top=1] [L1005] COND TRUE 2 i<(400) VAL [arg={0:0}, arg={0:0}, arr={5:0}, flag=1, i=0, m={6:0}, top=1] [L1008] COND TRUE 2 \read(flag) VAL [arg={0:0}, arg={0:0}, arr={5:0}, flag=1, i=0, m={6:0}, top=1] [L1010] CALL, EXPR 2 pop(arr) [L974] CALL, EXPR 2 get_top() [L952] 2 return top; VAL [\result=0, \result=1, arr={5:0}, flag=1, m={6:0}, top=1] [L974] RET, EXPR 2 get_top() [L974] COND FALSE 2 !(get_top()==0) VAL [arr={5:0}, flag=1, get_top()=1, m={6:0}, stack={5:0}, stack={5:0}, top=1] [L981] CALL 2 dec_top() [L948] 2 top-- VAL [arr={5:0}, flag=1, m={6:0}, top=0] [L981] RET 2 dec_top() [L982] CALL, EXPR 2 get_top() [L952] 2 return top; VAL [\result=0, \result=0, arr={5:0}, flag=1, m={6:0}, top=0] [L982] RET, EXPR 2 get_top() [L982] EXPR 2 stack[get_top()] VAL [arr={5:0}, flag=1, get_top()=0, m={6:0}, stack={5:0}, stack={5:0}, stack[get_top()]=399, top=0] [L982] 2 return stack[get_top()]; VAL [\result=399, arr={5:0}, flag=1, get_top()=0, m={6:0}, stack={5:0}, stack={5:0}, stack[get_top()]=399, top=0] [L1010] RET, EXPR 2 pop(arr) [L1010] COND FALSE 2 !(!(pop(arr)!=(-2))) VAL [arg={0:0}, arg={0:0}, arr={5:0}, flag=1, i=0, m={6:0}, pop(arr)=399, top=0] [L1005] 2 i++ VAL [arg={0:0}, arg={0:0}, arr={5:0}, flag=1, i=1, m={6:0}, top=0] [L1005] COND TRUE 2 i<(400) VAL [arg={0:0}, arg={0:0}, arr={5:0}, flag=1, i=1, m={6:0}, top=0] [L1008] COND TRUE 2 \read(flag) VAL [arg={0:0}, arg={0:0}, arr={5:0}, flag=1, i=1, m={6:0}, top=0] [L1010] CALL, EXPR 2 pop(arr) [L974] CALL, EXPR 2 get_top() [L952] 2 return top; VAL [\result=0, \result=0, arr={5:0}, flag=1, m={6:0}, top=0] [L974] RET, EXPR 2 get_top() [L974] COND TRUE 2 get_top()==0 VAL [arr={5:0}, flag=1, get_top()=0, m={6:0}, stack={5:0}, stack={5:0}, top=0] [L977] 2 return (-2); VAL [\result=-2, arr={5:0}, flag=1, m={6:0}, stack={5:0}, stack={5:0}, top=0] [L1010] RET, EXPR 2 pop(arr) [L1010] COND TRUE 2 !(pop(arr)!=(-2)) VAL [arg={0:0}, arg={0:0}, arr={5:0}, flag=1, i=1, m={6:0}, pop(arr)=-2, top=0] [L1011] CALL 2 error() [L940] 2 reach_error() VAL [arr={5:0}, flag=1, m={6:0}, top=0] - UnprovableResult [Line: 1022]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 1021]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 940]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 290 locations, 6 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 11.4s, OverallIterations: 8, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 510 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 510 mSDsluCounter, 966 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1021 mSDsCounter, 40 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1231 IncrementalHoareTripleChecker+Invalid, 1271 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 40 mSolverCounterUnsat, 102 mSDtfsCounter, 1231 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 285 GetRequests, 221 SyntacticMatches, 1 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 311 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=676occurred in iteration=7, InterpolantAutomatonStates: 53, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 926 NumberOfCodeBlocks, 926 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 870 ConstructedInterpolants, 0 QuantifiedInterpolants, 5123 SizeOfPredicates, 2 NumberOfNonLiveVariables, 221 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 9 InterpolantComputations, 6 PerfectInterpolantSequences, 12/66 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-11-22 16:05:27,921 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6247c422-0b3c-4b87-9827-5b82b2f47297/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE