./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe035_power.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a466da22-d2dd-47c8-952c-9a29685f1875/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a466da22-d2dd-47c8-952c-9a29685f1875/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a466da22-d2dd-47c8-952c-9a29685f1875/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a466da22-d2dd-47c8-952c-9a29685f1875/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe035_power.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a466da22-d2dd-47c8-952c-9a29685f1875/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a466da22-d2dd-47c8-952c-9a29685f1875/bin/uautomizer-GMMbpWq8iD --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 6415bffc70cf05f8f6460106962f2f9c59b321fd2fc94a45894cc3c1f3d85b66 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 22:57:51,618 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 22:57:51,621 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 22:57:51,655 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 22:57:51,656 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 22:57:51,657 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 22:57:51,659 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 22:57:51,661 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 22:57:51,663 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 22:57:51,665 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 22:57:51,666 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 22:57:51,667 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 22:57:51,668 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 22:57:51,669 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 22:57:51,671 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 22:57:51,672 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 22:57:51,673 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 22:57:51,674 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 22:57:51,677 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 22:57:51,683 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 22:57:51,688 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 22:57:51,689 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 22:57:51,691 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 22:57:51,693 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 22:57:51,700 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 22:57:51,706 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 22:57:51,707 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 22:57:51,708 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 22:57:51,710 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 22:57:51,711 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 22:57:51,712 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 22:57:51,713 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 22:57:51,715 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 22:57:51,716 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 22:57:51,718 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 22:57:51,719 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 22:57:51,720 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 22:57:51,720 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 22:57:51,720 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 22:57:51,721 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 22:57:51,722 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 22:57:51,724 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a466da22-d2dd-47c8-952c-9a29685f1875/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 22:57:51,765 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 22:57:51,769 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 22:57:51,770 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 22:57:51,770 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 22:57:51,772 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 22:57:51,773 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 22:57:51,773 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 22:57:51,773 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 22:57:51,773 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 22:57:51,774 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 22:57:51,775 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 22:57:51,776 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 22:57:51,776 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 22:57:51,776 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 22:57:51,776 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 22:57:51,776 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 22:57:51,777 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 22:57:51,777 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 22:57:51,777 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 22:57:51,777 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 22:57:51,778 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 22:57:51,778 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 22:57:51,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 22:57:51,778 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 22:57:51,779 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 22:57:51,779 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 22:57:51,779 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 22:57:51,779 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 22:57:51,780 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 22:57:51,780 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 22:57:51,780 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 22:57:51,780 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 22:57:51,781 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_a466da22-d2dd-47c8-952c-9a29685f1875/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a466da22-d2dd-47c8-952c-9a29685f1875/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6415bffc70cf05f8f6460106962f2f9c59b321fd2fc94a45894cc3c1f3d85b66 [2021-10-28 22:57:52,129 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 22:57:52,161 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 22:57:52,163 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 22:57:52,165 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 22:57:52,165 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 22:57:52,166 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a466da22-d2dd-47c8-952c-9a29685f1875/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/pthread-wmm/safe035_power.i [2021-10-28 22:57:52,235 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a466da22-d2dd-47c8-952c-9a29685f1875/bin/uautomizer-GMMbpWq8iD/data/51f613906/70d71ce17aa245ad86469d50d4759f98/FLAG82bdf4905 [2021-10-28 22:57:52,874 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 22:57:52,876 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a466da22-d2dd-47c8-952c-9a29685f1875/sv-benchmarks/c/pthread-wmm/safe035_power.i [2021-10-28 22:57:52,900 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a466da22-d2dd-47c8-952c-9a29685f1875/bin/uautomizer-GMMbpWq8iD/data/51f613906/70d71ce17aa245ad86469d50d4759f98/FLAG82bdf4905 [2021-10-28 22:57:53,225 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a466da22-d2dd-47c8-952c-9a29685f1875/bin/uautomizer-GMMbpWq8iD/data/51f613906/70d71ce17aa245ad86469d50d4759f98 [2021-10-28 22:57:53,228 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 22:57:53,230 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 22:57:53,231 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 22:57:53,232 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 22:57:53,238 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 22:57:53,239 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:57:53" (1/1) ... [2021-10-28 22:57:53,240 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@479baef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:57:53, skipping insertion in model container [2021-10-28 22:57:53,240 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:57:53" (1/1) ... [2021-10-28 22:57:53,246 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 22:57:53,303 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 22:57:53,504 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a466da22-d2dd-47c8-952c-9a29685f1875/sv-benchmarks/c/pthread-wmm/safe035_power.i[947,960] [2021-10-28 22:57:53,820 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:57:53,830 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 22:57:53,842 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a466da22-d2dd-47c8-952c-9a29685f1875/sv-benchmarks/c/pthread-wmm/safe035_power.i[947,960] [2021-10-28 22:57:53,942 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:57:53,991 INFO L208 MainTranslator]: Completed translation [2021-10-28 22:57:53,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:57:53 WrapperNode [2021-10-28 22:57:53,991 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 22:57:53,993 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 22:57:53,993 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 22:57:53,993 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 22:57:54,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:57:53" (1/1) ... [2021-10-28 22:57:54,038 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:57:53" (1/1) ... [2021-10-28 22:57:54,115 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 22:57:54,116 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 22:57:54,116 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 22:57:54,117 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 22:57:54,126 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:57:53" (1/1) ... [2021-10-28 22:57:54,127 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:57:53" (1/1) ... [2021-10-28 22:57:54,135 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:57:53" (1/1) ... [2021-10-28 22:57:54,135 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:57:53" (1/1) ... [2021-10-28 22:57:54,156 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:57:53" (1/1) ... [2021-10-28 22:57:54,164 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:57:53" (1/1) ... [2021-10-28 22:57:54,169 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:57:53" (1/1) ... [2021-10-28 22:57:54,178 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 22:57:54,179 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 22:57:54,179 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 22:57:54,179 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 22:57:54,184 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:57:53" (1/1) ... [2021-10-28 22:57:54,209 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 22:57:54,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a466da22-d2dd-47c8-952c-9a29685f1875/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:57:54,245 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a466da22-d2dd-47c8-952c-9a29685f1875/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 22:57:54,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a466da22-d2dd-47c8-952c-9a29685f1875/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 22:57:54,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 22:57:54,308 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-28 22:57:54,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 22:57:54,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 22:57:54,308 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-10-28 22:57:54,308 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-10-28 22:57:54,308 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-10-28 22:57:54,309 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-10-28 22:57:54,309 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-10-28 22:57:54,309 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-10-28 22:57:54,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 22:57:54,310 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-28 22:57:54,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 22:57:54,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 22:57:54,313 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-28 22:57:59,125 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 22:57:59,125 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-28 22:57:59,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:57:59 BoogieIcfgContainer [2021-10-28 22:57:59,129 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 22:57:59,131 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 22:57:59,131 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 22:57:59,150 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 22:57:59,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 10:57:53" (1/3) ... [2021-10-28 22:57:59,151 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e6859f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:57:59, skipping insertion in model container [2021-10-28 22:57:59,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:57:53" (2/3) ... [2021-10-28 22:57:59,152 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e6859f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:57:59, skipping insertion in model container [2021-10-28 22:57:59,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:57:59" (3/3) ... [2021-10-28 22:57:59,154 INFO L111 eAbstractionObserver]: Analyzing ICFG safe035_power.i [2021-10-28 22:57:59,160 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-28 22:57:59,160 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 22:57:59,160 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-10-28 22:57:59,160 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-28 22:57:59,240 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,241 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,241 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,241 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,241 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,241 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,242 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,242 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,242 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,242 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,243 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,243 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,243 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,243 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,243 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,244 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,244 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,244 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,245 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,245 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,245 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,245 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,246 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,246 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,246 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,246 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,247 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,247 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,247 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,247 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,248 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,248 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,248 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,248 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,248 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,249 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,249 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,250 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,250 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,250 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,250 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,251 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,251 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,251 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,251 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,251 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,252 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,252 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,252 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,252 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,253 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,253 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,253 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,253 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,253 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,254 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,254 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,254 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,254 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,255 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,255 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,255 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,256 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,256 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,256 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,256 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,256 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,257 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,257 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,257 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,257 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,257 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,258 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,258 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,258 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,258 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,258 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,259 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,259 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,259 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,259 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,259 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,260 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,260 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,260 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,260 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,260 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,261 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,261 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,261 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,261 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,262 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,262 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,262 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,262 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,262 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,263 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,263 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,263 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,263 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,265 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,265 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,265 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,265 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,266 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,266 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,266 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,266 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,266 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,267 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,267 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,267 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,267 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,267 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,268 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,268 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,268 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,268 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,269 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,269 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,269 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,269 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,269 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,270 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,270 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,270 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,270 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,270 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,271 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,271 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,271 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,271 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,271 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,272 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,272 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,272 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,272 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,272 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,274 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,274 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,275 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,275 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,275 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,275 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,276 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,276 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,276 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,277 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,277 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,277 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,277 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,277 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,278 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,278 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,279 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,279 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,279 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,280 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,280 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,280 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,280 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,280 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,281 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,281 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,281 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,281 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,282 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,282 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,282 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,282 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,283 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,283 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,283 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,284 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,284 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,284 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,284 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,284 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,285 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,285 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,285 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,286 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,286 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,286 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,286 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,286 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,287 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,287 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite78| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,288 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite77| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,288 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,288 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,288 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,288 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite71| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,289 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,289 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,289 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,289 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite75| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,289 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,290 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite74| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,290 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,290 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,290 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite79| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,290 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite78| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,291 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite77| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,291 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite76| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,291 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite71| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,291 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,292 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite75| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,292 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite74| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,292 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite73| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,292 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,292 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,293 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,293 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,293 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,293 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,293 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,294 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,294 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,294 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite80| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,294 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,294 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,295 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,295 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,297 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,297 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite78| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,297 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite77| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,297 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,298 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,298 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,298 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite71| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,298 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,298 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,299 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,299 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite75| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,299 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,299 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite74| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,300 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,300 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,301 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite79| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,301 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite78| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,301 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite77| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,301 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite76| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,301 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite71| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,302 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,302 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite75| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,302 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite74| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,302 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite73| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,302 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,303 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,303 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,303 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,303 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,303 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,304 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,304 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,304 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,304 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite80| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,304 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,305 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,305 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,305 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,307 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite81| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,307 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite82| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,307 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite81| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,308 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite86| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,308 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite85| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,308 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite84| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,308 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite83| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,309 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite81| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,309 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite82| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,309 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite81| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,310 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite86| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,310 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite85| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,310 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite84| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,310 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite83| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,311 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,311 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,311 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,312 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,315 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,315 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,316 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,316 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,316 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,317 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,317 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,317 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,317 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,318 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,318 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,318 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,319 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,319 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,319 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,319 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,320 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,320 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,320 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,320 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,321 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,321 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,321 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,322 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,322 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,322 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,322 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,323 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,323 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,323 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,324 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,324 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,324 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,324 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,325 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,325 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,325 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,326 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,326 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,328 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite85| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,329 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,329 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,329 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite84| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,330 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,330 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite83| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,330 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite82| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,331 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,331 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite81| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,331 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite80| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,331 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,332 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,332 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,332 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,333 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,333 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,333 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,333 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,334 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,334 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite86| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,334 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,335 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,335 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,335 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite74| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,335 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,336 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite73| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,336 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,336 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite71| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,337 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,337 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,337 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,337 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,338 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite79| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,338 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite78| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,338 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,339 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,339 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite77| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,339 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite76| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,339 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,340 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,340 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite75| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,342 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,342 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,343 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,343 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,343 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,344 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,344 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,344 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,344 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,345 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,345 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,345 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,346 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,346 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,346 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,346 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:57:59,348 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-10-28 22:57:59,405 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 22:57:59,412 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-28 22:57:59,413 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-10-28 22:57:59,429 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 119 places, 111 transitions, 237 flow [2021-10-28 22:57:59,525 INFO L129 PetriNetUnfolder]: 2/108 cut-off events. [2021-10-28 22:57:59,531 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-28 22:57:59,535 INFO L84 FinitePrefix]: Finished finitePrefix Result has 118 conditions, 108 events. 2/108 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 64 event pairs, 0 based on Foata normal form. 0/104 useless extension candidates. Maximal degree in co-relation 71. Up to 2 conditions per place. [2021-10-28 22:57:59,535 INFO L82 GeneralOperation]: Start removeDead. Operand has 119 places, 111 transitions, 237 flow [2021-10-28 22:57:59,542 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 116 places, 108 transitions, 225 flow [2021-10-28 22:57:59,562 INFO L129 PetriNetUnfolder]: 0/74 cut-off events. [2021-10-28 22:57:59,562 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-28 22:57:59,563 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 22:57:59,563 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:57:59,564 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P2Err0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-10-28 22:57:59,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:57:59,571 INFO L85 PathProgramCache]: Analyzing trace with hash -20047433, now seen corresponding path program 1 times [2021-10-28 22:57:59,581 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:57:59,582 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20768052] [2021-10-28 22:57:59,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:57:59,584 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:57:59,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:58:00,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:58:00,066 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:58:00,067 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20768052] [2021-10-28 22:58:00,068 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20768052] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:58:00,069 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:58:00,069 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 22:58:00,071 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135831470] [2021-10-28 22:58:00,083 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 22:58:00,084 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:58:00,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:58:00,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:58:00,108 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 111 [2021-10-28 22:58:00,115 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 108 transitions, 225 flow. Second operand has 3 states, 3 states have (on average 95.66666666666667) internal successors, (287), 3 states have internal predecessors, (287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:00,116 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 22:58:00,116 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 111 [2021-10-28 22:58:00,118 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 22:58:00,710 INFO L129 PetriNetUnfolder]: 340/905 cut-off events. [2021-10-28 22:58:00,711 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-28 22:58:00,720 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1436 conditions, 905 events. 340/905 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 5628 event pairs, 40 based on Foata normal form. 72/929 useless extension candidates. Maximal degree in co-relation 1387. Up to 445 conditions per place. [2021-10-28 22:58:00,733 INFO L132 encePairwiseOnDemand]: 106/111 looper letters, 17 selfloop transitions, 2 changer transitions 0/111 dead transitions. [2021-10-28 22:58:00,733 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 111 transitions, 269 flow [2021-10-28 22:58:00,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:58:00,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-28 22:58:00,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 309 transitions. [2021-10-28 22:58:00,764 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9279279279279279 [2021-10-28 22:58:00,765 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 309 transitions. [2021-10-28 22:58:00,766 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 309 transitions. [2021-10-28 22:58:00,771 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 22:58:00,774 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 309 transitions. [2021-10-28 22:58:00,783 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 103.0) internal successors, (309), 3 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:00,793 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 111.0) internal successors, (444), 4 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:00,794 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 111.0) internal successors, (444), 4 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:00,796 INFO L186 Difference]: Start difference. First operand has 116 places, 108 transitions, 225 flow. Second operand 3 states and 309 transitions. [2021-10-28 22:58:00,797 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 111 transitions, 269 flow [2021-10-28 22:58:00,805 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 113 places, 111 transitions, 266 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-10-28 22:58:00,810 INFO L242 Difference]: Finished difference. Result has 113 places, 104 transitions, 218 flow [2021-10-28 22:58:00,813 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=214, PETRI_DIFFERENCE_MINUEND_PLACES=111, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=218, PETRI_PLACES=113, PETRI_TRANSITIONS=104} [2021-10-28 22:58:00,814 INFO L334 CegarLoopForPetriNet]: 116 programPoint places, -3 predicate places. [2021-10-28 22:58:00,815 INFO L470 AbstractCegarLoop]: Abstraction has has 113 places, 104 transitions, 218 flow [2021-10-28 22:58:00,816 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 95.66666666666667) internal successors, (287), 3 states have internal predecessors, (287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:00,816 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 22:58:00,816 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] [2021-10-28 22:58:00,816 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 22:58:00,817 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-10-28 22:58:00,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:58:00,818 INFO L85 PathProgramCache]: Analyzing trace with hash 1236667353, now seen corresponding path program 1 times [2021-10-28 22:58:00,818 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:58:00,819 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198874166] [2021-10-28 22:58:00,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:58:00,820 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:58:01,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:58:01,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:58:01,242 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:58:01,243 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198874166] [2021-10-28 22:58:01,243 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198874166] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:58:01,243 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:58:01,244 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 22:58:01,244 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803181691] [2021-10-28 22:58:01,246 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 22:58:01,246 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:58:01,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 22:58:01,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-28 22:58:01,251 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 111 [2021-10-28 22:58:01,252 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 104 transitions, 218 flow. Second operand has 6 states, 6 states have (on average 100.16666666666667) internal successors, (601), 6 states have internal predecessors, (601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:01,253 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 22:58:01,253 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 111 [2021-10-28 22:58:01,253 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 22:58:01,491 INFO L129 PetriNetUnfolder]: 4/148 cut-off events. [2021-10-28 22:58:01,491 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-28 22:58:01,492 INFO L84 FinitePrefix]: Finished finitePrefix Result has 182 conditions, 148 events. 4/148 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 244 event pairs, 0 based on Foata normal form. 0/146 useless extension candidates. Maximal degree in co-relation 133. Up to 8 conditions per place. [2021-10-28 22:58:01,493 INFO L132 encePairwiseOnDemand]: 105/111 looper letters, 6 selfloop transitions, 2 changer transitions 23/116 dead transitions. [2021-10-28 22:58:01,493 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 116 transitions, 284 flow [2021-10-28 22:58:01,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 22:58:01,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-10-28 22:58:01,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 914 transitions. [2021-10-28 22:58:01,499 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.914914914914915 [2021-10-28 22:58:01,499 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 914 transitions. [2021-10-28 22:58:01,500 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 914 transitions. [2021-10-28 22:58:01,501 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 22:58:01,501 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 914 transitions. [2021-10-28 22:58:01,505 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 101.55555555555556) internal successors, (914), 9 states have internal predecessors, (914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:01,512 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 111.0) internal successors, (1110), 10 states have internal predecessors, (1110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:01,513 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 111.0) internal successors, (1110), 10 states have internal predecessors, (1110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:01,513 INFO L186 Difference]: Start difference. First operand has 113 places, 104 transitions, 218 flow. Second operand 9 states and 914 transitions. [2021-10-28 22:58:01,514 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 116 transitions, 284 flow [2021-10-28 22:58:01,516 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 116 transitions, 280 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-28 22:58:01,519 INFO L242 Difference]: Finished difference. Result has 126 places, 93 transitions, 212 flow [2021-10-28 22:58:01,520 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=214, PETRI_DIFFERENCE_MINUEND_PLACES=111, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=212, PETRI_PLACES=126, PETRI_TRANSITIONS=93} [2021-10-28 22:58:01,520 INFO L334 CegarLoopForPetriNet]: 116 programPoint places, 10 predicate places. [2021-10-28 22:58:01,521 INFO L470 AbstractCegarLoop]: Abstraction has has 126 places, 93 transitions, 212 flow [2021-10-28 22:58:01,522 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 100.16666666666667) internal successors, (601), 6 states have internal predecessors, (601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:01,522 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 22:58:01,522 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] [2021-10-28 22:58:01,522 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 22:58:01,523 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-10-28 22:58:01,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:58:01,524 INFO L85 PathProgramCache]: Analyzing trace with hash 1173102076, now seen corresponding path program 1 times [2021-10-28 22:58:01,524 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:58:01,524 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802397293] [2021-10-28 22:58:01,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:58:01,525 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:58:01,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:58:02,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:58:02,077 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:58:02,078 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802397293] [2021-10-28 22:58:02,079 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802397293] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:58:02,080 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:58:02,080 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-28 22:58:02,081 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979459085] [2021-10-28 22:58:02,082 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-28 22:58:02,083 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:58:02,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-28 22:58:02,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-10-28 22:58:02,090 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 111 [2021-10-28 22:58:02,091 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 93 transitions, 212 flow. Second operand has 8 states, 8 states have (on average 85.875) internal successors, (687), 8 states have internal predecessors, (687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:02,092 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 22:58:02,092 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 111 [2021-10-28 22:58:02,092 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 22:58:03,523 INFO L129 PetriNetUnfolder]: 1162/2274 cut-off events. [2021-10-28 22:58:03,524 INFO L130 PetriNetUnfolder]: For 430/430 co-relation queries the response was YES. [2021-10-28 22:58:03,536 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4612 conditions, 2274 events. 1162/2274 cut-off events. For 430/430 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 14343 event pairs, 436 based on Foata normal form. 47/2260 useless extension candidates. Maximal degree in co-relation 4552. Up to 1087 conditions per place. [2021-10-28 22:58:03,552 INFO L132 encePairwiseOnDemand]: 97/111 looper letters, 24 selfloop transitions, 15 changer transitions 49/159 dead transitions. [2021-10-28 22:58:03,552 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 159 transitions, 541 flow [2021-10-28 22:58:03,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-28 22:58:03,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-10-28 22:58:03,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 930 transitions. [2021-10-28 22:58:03,558 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8378378378378378 [2021-10-28 22:58:03,558 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 930 transitions. [2021-10-28 22:58:03,558 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 930 transitions. [2021-10-28 22:58:03,559 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 22:58:03,559 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 930 transitions. [2021-10-28 22:58:03,563 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 93.0) internal successors, (930), 10 states have internal predecessors, (930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:03,567 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 111.0) internal successors, (1221), 11 states have internal predecessors, (1221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:03,569 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 111.0) internal successors, (1221), 11 states have internal predecessors, (1221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:03,569 INFO L186 Difference]: Start difference. First operand has 126 places, 93 transitions, 212 flow. Second operand 10 states and 930 transitions. [2021-10-28 22:58:03,569 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 159 transitions, 541 flow [2021-10-28 22:58:03,588 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 159 transitions, 507 flow, removed 14 selfloop flow, removed 8 redundant places. [2021-10-28 22:58:03,592 INFO L242 Difference]: Finished difference. Result has 118 places, 107 transitions, 314 flow [2021-10-28 22:58:03,592 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=196, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=314, PETRI_PLACES=118, PETRI_TRANSITIONS=107} [2021-10-28 22:58:03,593 INFO L334 CegarLoopForPetriNet]: 116 programPoint places, 2 predicate places. [2021-10-28 22:58:03,593 INFO L470 AbstractCegarLoop]: Abstraction has has 118 places, 107 transitions, 314 flow [2021-10-28 22:58:03,594 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 85.875) internal successors, (687), 8 states have internal predecessors, (687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:03,594 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 22:58:03,594 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] [2021-10-28 22:58:03,594 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 22:58:03,594 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-10-28 22:58:03,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:58:03,595 INFO L85 PathProgramCache]: Analyzing trace with hash -332194436, now seen corresponding path program 2 times [2021-10-28 22:58:03,595 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:58:03,596 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652056937] [2021-10-28 22:58:03,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:58:03,596 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:58:03,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:58:04,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:58:04,108 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:58:04,108 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652056937] [2021-10-28 22:58:04,109 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652056937] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:58:04,109 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:58:04,109 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-10-28 22:58:04,110 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129622319] [2021-10-28 22:58:04,111 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-28 22:58:04,112 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:58:04,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-28 22:58:04,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-10-28 22:58:04,119 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2021-10-28 22:58:04,121 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 107 transitions, 314 flow. Second operand has 10 states, 10 states have (on average 83.7) internal successors, (837), 10 states have internal predecessors, (837), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:04,121 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 22:58:04,121 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2021-10-28 22:58:04,121 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 22:58:05,633 INFO L129 PetriNetUnfolder]: 1211/2369 cut-off events. [2021-10-28 22:58:05,634 INFO L130 PetriNetUnfolder]: For 3741/5535 co-relation queries the response was YES. [2021-10-28 22:58:05,645 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7615 conditions, 2369 events. 1211/2369 cut-off events. For 3741/5535 co-relation queries the response was YES. Maximal size of possible extension queue 139. Compared 15299 event pairs, 376 based on Foata normal form. 53/2361 useless extension candidates. Maximal degree in co-relation 7552. Up to 1081 conditions per place. [2021-10-28 22:58:05,668 INFO L132 encePairwiseOnDemand]: 97/111 looper letters, 27 selfloop transitions, 26 changer transitions 49/171 dead transitions. [2021-10-28 22:58:05,668 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 171 transitions, 869 flow [2021-10-28 22:58:05,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-28 22:58:05,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-10-28 22:58:05,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 994 transitions. [2021-10-28 22:58:05,674 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.814086814086814 [2021-10-28 22:58:05,674 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 994 transitions. [2021-10-28 22:58:05,674 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 994 transitions. [2021-10-28 22:58:05,675 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 22:58:05,675 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 994 transitions. [2021-10-28 22:58:05,680 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 90.36363636363636) internal successors, (994), 11 states have internal predecessors, (994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:05,684 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 111.0) internal successors, (1332), 12 states have internal predecessors, (1332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:05,685 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 111.0) internal successors, (1332), 12 states have internal predecessors, (1332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:05,686 INFO L186 Difference]: Start difference. First operand has 118 places, 107 transitions, 314 flow. Second operand 11 states and 994 transitions. [2021-10-28 22:58:05,686 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 122 places, 171 transitions, 869 flow [2021-10-28 22:58:05,700 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 171 transitions, 855 flow, removed 7 selfloop flow, removed 3 redundant places. [2021-10-28 22:58:05,704 INFO L242 Difference]: Finished difference. Result has 127 places, 119 transitions, 489 flow [2021-10-28 22:58:05,705 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=308, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=107, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=489, PETRI_PLACES=127, PETRI_TRANSITIONS=119} [2021-10-28 22:58:05,705 INFO L334 CegarLoopForPetriNet]: 116 programPoint places, 11 predicate places. [2021-10-28 22:58:05,706 INFO L470 AbstractCegarLoop]: Abstraction has has 127 places, 119 transitions, 489 flow [2021-10-28 22:58:05,706 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 83.7) internal successors, (837), 10 states have internal predecessors, (837), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:05,706 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 22:58:05,707 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] [2021-10-28 22:58:05,707 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 22:58:05,707 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-10-28 22:58:05,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:58:05,708 INFO L85 PathProgramCache]: Analyzing trace with hash -1566995043, now seen corresponding path program 1 times [2021-10-28 22:58:05,708 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:58:05,708 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098646945] [2021-10-28 22:58:05,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:58:05,709 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:58:05,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:58:06,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:58:06,279 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:58:06,279 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098646945] [2021-10-28 22:58:06,279 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098646945] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:58:06,280 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:58:06,280 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-10-28 22:58:06,280 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58983906] [2021-10-28 22:58:06,281 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-28 22:58:06,281 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:58:06,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-28 22:58:06,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-10-28 22:58:06,284 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 111 [2021-10-28 22:58:06,285 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 119 transitions, 489 flow. Second operand has 10 states, 10 states have (on average 84.7) internal successors, (847), 10 states have internal predecessors, (847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:06,285 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 22:58:06,286 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 111 [2021-10-28 22:58:06,286 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 22:58:08,152 INFO L129 PetriNetUnfolder]: 1418/2824 cut-off events. [2021-10-28 22:58:08,152 INFO L130 PetriNetUnfolder]: For 13852/16202 co-relation queries the response was YES. [2021-10-28 22:58:08,165 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12262 conditions, 2824 events. 1418/2824 cut-off events. For 13852/16202 co-relation queries the response was YES. Maximal size of possible extension queue 151. Compared 18651 event pairs, 40 based on Foata normal form. 68/2830 useless extension candidates. Maximal degree in co-relation 12193. Up to 1250 conditions per place. [2021-10-28 22:58:08,197 INFO L132 encePairwiseOnDemand]: 94/111 looper letters, 43 selfloop transitions, 35 changer transitions 49/197 dead transitions. [2021-10-28 22:58:08,197 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 197 transitions, 1425 flow [2021-10-28 22:58:08,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-28 22:58:08,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-10-28 22:58:08,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1190 transitions. [2021-10-28 22:58:08,203 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8246708246708246 [2021-10-28 22:58:08,204 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1190 transitions. [2021-10-28 22:58:08,204 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1190 transitions. [2021-10-28 22:58:08,205 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 22:58:08,205 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1190 transitions. [2021-10-28 22:58:08,210 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 91.53846153846153) internal successors, (1190), 13 states have internal predecessors, (1190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:08,215 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 111.0) internal successors, (1554), 14 states have internal predecessors, (1554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:08,216 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 111.0) internal successors, (1554), 14 states have internal predecessors, (1554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:08,216 INFO L186 Difference]: Start difference. First operand has 127 places, 119 transitions, 489 flow. Second operand 13 states and 1190 transitions. [2021-10-28 22:58:08,216 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 197 transitions, 1425 flow [2021-10-28 22:58:08,249 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 197 transitions, 1194 flow, removed 115 selfloop flow, removed 7 redundant places. [2021-10-28 22:58:08,253 INFO L242 Difference]: Finished difference. Result has 134 places, 137 transitions, 744 flow [2021-10-28 22:58:08,254 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=442, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=744, PETRI_PLACES=134, PETRI_TRANSITIONS=137} [2021-10-28 22:58:08,254 INFO L334 CegarLoopForPetriNet]: 116 programPoint places, 18 predicate places. [2021-10-28 22:58:08,254 INFO L470 AbstractCegarLoop]: Abstraction has has 134 places, 137 transitions, 744 flow [2021-10-28 22:58:08,255 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 84.7) internal successors, (847), 10 states have internal predecessors, (847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:08,255 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 22:58:08,255 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] [2021-10-28 22:58:08,255 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 22:58:08,255 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-10-28 22:58:08,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:58:08,256 INFO L85 PathProgramCache]: Analyzing trace with hash 1132198823, now seen corresponding path program 2 times [2021-10-28 22:58:08,256 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:58:08,256 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648981999] [2021-10-28 22:58:08,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:58:08,256 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:58:08,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:58:09,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:58:09,023 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:58:09,023 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648981999] [2021-10-28 22:58:09,023 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648981999] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:58:09,023 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:58:09,023 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-10-28 22:58:09,024 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682937054] [2021-10-28 22:58:09,024 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-28 22:58:09,024 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:58:09,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-28 22:58:09,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-10-28 22:58:09,027 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 81 out of 111 [2021-10-28 22:58:09,029 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 137 transitions, 744 flow. Second operand has 13 states, 13 states have (on average 82.46153846153847) internal successors, (1072), 13 states have internal predecessors, (1072), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:09,029 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 22:58:09,029 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 81 of 111 [2021-10-28 22:58:09,030 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 22:58:10,678 INFO L129 PetriNetUnfolder]: 1190/2341 cut-off events. [2021-10-28 22:58:10,679 INFO L130 PetriNetUnfolder]: For 15325/21636 co-relation queries the response was YES. [2021-10-28 22:58:10,694 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12617 conditions, 2341 events. 1190/2341 cut-off events. For 15325/21636 co-relation queries the response was YES. Maximal size of possible extension queue 161. Compared 14967 event pairs, 72 based on Foata normal form. 44/2324 useless extension candidates. Maximal degree in co-relation 12541. Up to 1209 conditions per place. [2021-10-28 22:58:10,733 INFO L132 encePairwiseOnDemand]: 96/111 looper letters, 49 selfloop transitions, 42 changer transitions 43/202 dead transitions. [2021-10-28 22:58:10,733 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 202 transitions, 1807 flow [2021-10-28 22:58:10,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-28 22:58:10,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-10-28 22:58:10,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1147 transitions. [2021-10-28 22:58:10,741 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7948717948717948 [2021-10-28 22:58:10,741 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1147 transitions. [2021-10-28 22:58:10,741 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1147 transitions. [2021-10-28 22:58:10,743 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 22:58:10,743 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1147 transitions. [2021-10-28 22:58:10,748 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 88.23076923076923) internal successors, (1147), 13 states have internal predecessors, (1147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:10,756 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 111.0) internal successors, (1554), 14 states have internal predecessors, (1554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:10,757 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 111.0) internal successors, (1554), 14 states have internal predecessors, (1554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:10,757 INFO L186 Difference]: Start difference. First operand has 134 places, 137 transitions, 744 flow. Second operand 13 states and 1147 transitions. [2021-10-28 22:58:10,758 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 202 transitions, 1807 flow [2021-10-28 22:58:10,792 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 202 transitions, 1683 flow, removed 39 selfloop flow, removed 6 redundant places. [2021-10-28 22:58:10,796 INFO L242 Difference]: Finished difference. Result has 141 places, 147 transitions, 934 flow [2021-10-28 22:58:10,797 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=651, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=934, PETRI_PLACES=141, PETRI_TRANSITIONS=147} [2021-10-28 22:58:10,797 INFO L334 CegarLoopForPetriNet]: 116 programPoint places, 25 predicate places. [2021-10-28 22:58:10,797 INFO L470 AbstractCegarLoop]: Abstraction has has 141 places, 147 transitions, 934 flow [2021-10-28 22:58:10,798 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 82.46153846153847) internal successors, (1072), 13 states have internal predecessors, (1072), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:10,798 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 22:58:10,798 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] [2021-10-28 22:58:10,799 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-28 22:58:10,799 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-10-28 22:58:10,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:58:10,800 INFO L85 PathProgramCache]: Analyzing trace with hash -1134323691, now seen corresponding path program 1 times [2021-10-28 22:58:10,800 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:58:10,800 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295914421] [2021-10-28 22:58:10,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:58:10,801 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:58:10,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:58:10,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:58:10,998 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:58:10,998 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295914421] [2021-10-28 22:58:10,998 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295914421] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:58:10,999 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:58:10,999 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 22:58:10,999 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410925718] [2021-10-28 22:58:11,000 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 22:58:11,000 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:58:11,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 22:58:11,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-28 22:58:11,002 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 111 [2021-10-28 22:58:11,003 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 147 transitions, 934 flow. Second operand has 6 states, 6 states have (on average 98.16666666666667) internal successors, (589), 6 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:11,004 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 22:58:11,004 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 111 [2021-10-28 22:58:11,004 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 22:58:11,891 INFO L129 PetriNetUnfolder]: 1125/2991 cut-off events. [2021-10-28 22:58:11,892 INFO L130 PetriNetUnfolder]: For 15310/15645 co-relation queries the response was YES. [2021-10-28 22:58:11,920 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10439 conditions, 2991 events. 1125/2991 cut-off events. For 15310/15645 co-relation queries the response was YES. Maximal size of possible extension queue 370. Compared 27856 event pairs, 142 based on Foata normal form. 74/2861 useless extension candidates. Maximal degree in co-relation 10363. Up to 714 conditions per place. [2021-10-28 22:58:11,959 INFO L132 encePairwiseOnDemand]: 102/111 looper letters, 19 selfloop transitions, 16 changer transitions 0/171 dead transitions. [2021-10-28 22:58:11,960 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 171 transitions, 1049 flow [2021-10-28 22:58:11,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 22:58:11,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-10-28 22:58:11,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 910 transitions. [2021-10-28 22:58:11,964 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9109109109109109 [2021-10-28 22:58:11,965 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 910 transitions. [2021-10-28 22:58:11,965 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 910 transitions. [2021-10-28 22:58:11,966 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 22:58:11,966 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 910 transitions. [2021-10-28 22:58:11,970 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 101.11111111111111) internal successors, (910), 9 states have internal predecessors, (910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:11,973 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 111.0) internal successors, (1110), 10 states have internal predecessors, (1110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:11,974 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 111.0) internal successors, (1110), 10 states have internal predecessors, (1110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:11,974 INFO L186 Difference]: Start difference. First operand has 141 places, 147 transitions, 934 flow. Second operand 9 states and 910 transitions. [2021-10-28 22:58:11,976 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 171 transitions, 1049 flow [2021-10-28 22:58:12,011 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 171 transitions, 892 flow, removed 50 selfloop flow, removed 14 redundant places. [2021-10-28 22:58:12,015 INFO L242 Difference]: Finished difference. Result has 134 places, 160 transitions, 883 flow [2021-10-28 22:58:12,016 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=772, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=146, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=138, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=883, PETRI_PLACES=134, PETRI_TRANSITIONS=160} [2021-10-28 22:58:12,016 INFO L334 CegarLoopForPetriNet]: 116 programPoint places, 18 predicate places. [2021-10-28 22:58:12,017 INFO L470 AbstractCegarLoop]: Abstraction has has 134 places, 160 transitions, 883 flow [2021-10-28 22:58:12,018 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 98.16666666666667) internal successors, (589), 6 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:12,019 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 22:58:12,019 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] [2021-10-28 22:58:12,019 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-28 22:58:12,019 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-10-28 22:58:12,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:58:12,020 INFO L85 PathProgramCache]: Analyzing trace with hash -752003618, now seen corresponding path program 1 times [2021-10-28 22:58:12,020 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:58:12,020 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837250154] [2021-10-28 22:58:12,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:58:12,021 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:58:12,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:58:12,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:58:12,240 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:58:12,241 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837250154] [2021-10-28 22:58:12,241 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837250154] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:58:12,241 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:58:12,241 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-28 22:58:12,241 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549072110] [2021-10-28 22:58:12,242 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-28 22:58:12,242 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:58:12,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 22:58:12,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-10-28 22:58:12,244 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 111 [2021-10-28 22:58:12,245 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 160 transitions, 883 flow. Second operand has 7 states, 7 states have (on average 98.14285714285714) internal successors, (687), 7 states have internal predecessors, (687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:12,245 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 22:58:12,245 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 111 [2021-10-28 22:58:12,246 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 22:58:12,906 INFO L129 PetriNetUnfolder]: 726/2365 cut-off events. [2021-10-28 22:58:12,906 INFO L130 PetriNetUnfolder]: For 5583/7519 co-relation queries the response was YES. [2021-10-28 22:58:12,927 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7858 conditions, 2365 events. 726/2365 cut-off events. For 5583/7519 co-relation queries the response was YES. Maximal size of possible extension queue 346. Compared 23606 event pairs, 38 based on Foata normal form. 583/2771 useless extension candidates. Maximal degree in co-relation 7787. Up to 552 conditions per place. [2021-10-28 22:58:12,942 INFO L132 encePairwiseOnDemand]: 102/111 looper letters, 15 selfloop transitions, 31 changer transitions 11/173 dead transitions. [2021-10-28 22:58:12,943 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 173 transitions, 1033 flow [2021-10-28 22:58:12,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-28 22:58:12,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-10-28 22:58:12,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1214 transitions. [2021-10-28 22:58:12,948 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9114114114114115 [2021-10-28 22:58:12,949 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1214 transitions. [2021-10-28 22:58:12,949 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1214 transitions. [2021-10-28 22:58:12,950 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 22:58:12,951 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1214 transitions. [2021-10-28 22:58:12,955 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 101.16666666666667) internal successors, (1214), 12 states have internal predecessors, (1214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:12,959 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 111.0) internal successors, (1443), 13 states have internal predecessors, (1443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:12,960 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 111.0) internal successors, (1443), 13 states have internal predecessors, (1443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:12,961 INFO L186 Difference]: Start difference. First operand has 134 places, 160 transitions, 883 flow. Second operand 12 states and 1214 transitions. [2021-10-28 22:58:12,961 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 173 transitions, 1033 flow [2021-10-28 22:58:12,984 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 173 transitions, 1031 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-10-28 22:58:12,988 INFO L242 Difference]: Finished difference. Result has 147 places, 159 transitions, 938 flow [2021-10-28 22:58:12,988 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=746, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=145, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=938, PETRI_PLACES=147, PETRI_TRANSITIONS=159} [2021-10-28 22:58:12,989 INFO L334 CegarLoopForPetriNet]: 116 programPoint places, 31 predicate places. [2021-10-28 22:58:12,989 INFO L470 AbstractCegarLoop]: Abstraction has has 147 places, 159 transitions, 938 flow [2021-10-28 22:58:12,990 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 98.14285714285714) internal successors, (687), 7 states have internal predecessors, (687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:12,990 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 22:58:12,990 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] [2021-10-28 22:58:12,990 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-28 22:58:12,991 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-10-28 22:58:12,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:58:12,991 INFO L85 PathProgramCache]: Analyzing trace with hash 1680488348, now seen corresponding path program 1 times [2021-10-28 22:58:12,991 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:58:12,992 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909458195] [2021-10-28 22:58:12,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:58:12,992 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:58:13,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:58:14,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:58:14,161 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:58:14,161 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909458195] [2021-10-28 22:58:14,161 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909458195] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:58:14,161 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:58:14,162 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-10-28 22:58:14,162 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825810720] [2021-10-28 22:58:14,162 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-28 22:58:14,162 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:58:14,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-28 22:58:14,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2021-10-28 22:58:14,165 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 111 [2021-10-28 22:58:14,168 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 147 places, 159 transitions, 938 flow. Second operand has 15 states, 15 states have (on average 79.66666666666667) internal successors, (1195), 15 states have internal predecessors, (1195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:14,169 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 22:58:14,169 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 111 [2021-10-28 22:58:14,169 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 22:58:15,902 INFO L129 PetriNetUnfolder]: 888/3064 cut-off events. [2021-10-28 22:58:15,902 INFO L130 PetriNetUnfolder]: For 11202/12334 co-relation queries the response was YES. [2021-10-28 22:58:15,933 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11245 conditions, 3064 events. 888/3064 cut-off events. For 11202/12334 co-relation queries the response was YES. Maximal size of possible extension queue 449. Compared 32324 event pairs, 36 based on Foata normal form. 18/2903 useless extension candidates. Maximal degree in co-relation 11159. Up to 638 conditions per place. [2021-10-28 22:58:15,955 INFO L132 encePairwiseOnDemand]: 96/111 looper letters, 58 selfloop transitions, 20 changer transitions 40/216 dead transitions. [2021-10-28 22:58:15,956 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 216 transitions, 1881 flow [2021-10-28 22:58:15,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-28 22:58:15,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-10-28 22:58:15,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1258 transitions. [2021-10-28 22:58:15,965 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7555555555555555 [2021-10-28 22:58:15,966 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1258 transitions. [2021-10-28 22:58:15,966 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1258 transitions. [2021-10-28 22:58:15,967 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 22:58:15,968 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1258 transitions. [2021-10-28 22:58:15,974 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 83.86666666666666) internal successors, (1258), 15 states have internal predecessors, (1258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:15,979 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 111.0) internal successors, (1776), 16 states have internal predecessors, (1776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:15,981 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 111.0) internal successors, (1776), 16 states have internal predecessors, (1776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:15,981 INFO L186 Difference]: Start difference. First operand has 147 places, 159 transitions, 938 flow. Second operand 15 states and 1258 transitions. [2021-10-28 22:58:15,981 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 216 transitions, 1881 flow [2021-10-28 22:58:16,296 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 216 transitions, 1731 flow, removed 47 selfloop flow, removed 10 redundant places. [2021-10-28 22:58:16,303 INFO L242 Difference]: Finished difference. Result has 159 places, 160 transitions, 893 flow [2021-10-28 22:58:16,304 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=788, PETRI_DIFFERENCE_MINUEND_PLACES=137, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=159, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=139, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=893, PETRI_PLACES=159, PETRI_TRANSITIONS=160} [2021-10-28 22:58:16,304 INFO L334 CegarLoopForPetriNet]: 116 programPoint places, 43 predicate places. [2021-10-28 22:58:16,304 INFO L470 AbstractCegarLoop]: Abstraction has has 159 places, 160 transitions, 893 flow [2021-10-28 22:58:16,305 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 79.66666666666667) internal successors, (1195), 15 states have internal predecessors, (1195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:16,305 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 22:58:16,305 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] [2021-10-28 22:58:16,306 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-28 22:58:16,306 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-10-28 22:58:16,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:58:16,307 INFO L85 PathProgramCache]: Analyzing trace with hash -1188970408, now seen corresponding path program 2 times [2021-10-28 22:58:16,307 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:58:16,307 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897722985] [2021-10-28 22:58:16,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:58:16,308 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:58:16,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:58:16,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:58:16,542 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:58:16,542 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897722985] [2021-10-28 22:58:16,542 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897722985] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:58:16,542 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:58:16,542 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-28 22:58:16,543 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030304853] [2021-10-28 22:58:16,543 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-28 22:58:16,543 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:58:16,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-28 22:58:16,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-28 22:58:16,549 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 111 [2021-10-28 22:58:16,550 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 160 transitions, 893 flow. Second operand has 8 states, 8 states have (on average 98.125) internal successors, (785), 8 states have internal predecessors, (785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:16,551 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 22:58:16,551 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 111 [2021-10-28 22:58:16,551 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 22:58:17,515 INFO L129 PetriNetUnfolder]: 895/3015 cut-off events. [2021-10-28 22:58:17,516 INFO L130 PetriNetUnfolder]: For 5805/8097 co-relation queries the response was YES. [2021-10-28 22:58:17,553 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9591 conditions, 3015 events. 895/3015 cut-off events. For 5805/8097 co-relation queries the response was YES. Maximal size of possible extension queue 492. Compared 33036 event pairs, 46 based on Foata normal form. 681/3454 useless extension candidates. Maximal degree in co-relation 9557. Up to 420 conditions per place. [2021-10-28 22:58:17,575 INFO L132 encePairwiseOnDemand]: 102/111 looper letters, 10 selfloop transitions, 36 changer transitions 17/178 dead transitions. [2021-10-28 22:58:17,576 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 167 places, 178 transitions, 1104 flow [2021-10-28 22:58:17,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-28 22:58:17,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-10-28 22:58:17,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1506 transitions. [2021-10-28 22:58:17,586 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9045045045045045 [2021-10-28 22:58:17,586 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1506 transitions. [2021-10-28 22:58:17,586 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1506 transitions. [2021-10-28 22:58:17,588 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 22:58:17,589 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1506 transitions. [2021-10-28 22:58:17,596 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 100.4) internal successors, (1506), 15 states have internal predecessors, (1506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:17,602 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 111.0) internal successors, (1776), 16 states have internal predecessors, (1776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:17,603 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 111.0) internal successors, (1776), 16 states have internal predecessors, (1776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:17,603 INFO L186 Difference]: Start difference. First operand has 159 places, 160 transitions, 893 flow. Second operand 15 states and 1506 transitions. [2021-10-28 22:58:17,603 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 167 places, 178 transitions, 1104 flow [2021-10-28 22:58:17,670 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 154 places, 178 transitions, 1041 flow, removed 19 selfloop flow, removed 13 redundant places. [2021-10-28 22:58:17,674 INFO L242 Difference]: Finished difference. Result has 160 places, 158 transitions, 927 flow [2021-10-28 22:58:17,675 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=819, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=159, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=123, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=927, PETRI_PLACES=160, PETRI_TRANSITIONS=158} [2021-10-28 22:58:17,675 INFO L334 CegarLoopForPetriNet]: 116 programPoint places, 44 predicate places. [2021-10-28 22:58:17,676 INFO L470 AbstractCegarLoop]: Abstraction has has 160 places, 158 transitions, 927 flow [2021-10-28 22:58:17,676 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 98.125) internal successors, (785), 8 states have internal predecessors, (785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:17,677 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 22:58:17,677 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] [2021-10-28 22:58:17,677 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-28 22:58:17,677 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-10-28 22:58:17,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:58:17,679 INFO L85 PathProgramCache]: Analyzing trace with hash -696700247, now seen corresponding path program 1 times [2021-10-28 22:58:17,679 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:58:17,681 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656568681] [2021-10-28 22:58:17,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:58:17,682 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:58:17,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:58:18,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:58:18,059 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:58:18,059 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656568681] [2021-10-28 22:58:18,059 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656568681] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:58:18,059 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:58:18,060 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-28 22:58:18,060 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706433422] [2021-10-28 22:58:18,061 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-28 22:58:18,061 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:58:18,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 22:58:18,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-28 22:58:18,063 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 111 [2021-10-28 22:58:18,064 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 158 transitions, 927 flow. Second operand has 7 states, 7 states have (on average 98.42857142857143) internal successors, (689), 7 states have internal predecessors, (689), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:18,065 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 22:58:18,065 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 111 [2021-10-28 22:58:18,065 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 22:58:18,966 INFO L129 PetriNetUnfolder]: 1145/4251 cut-off events. [2021-10-28 22:58:18,966 INFO L130 PetriNetUnfolder]: For 11540/12198 co-relation queries the response was YES. [2021-10-28 22:58:19,058 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13788 conditions, 4251 events. 1145/4251 cut-off events. For 11540/12198 co-relation queries the response was YES. Maximal size of possible extension queue 691. Compared 51969 event pairs, 68 based on Foata normal form. 1/3956 useless extension candidates. Maximal degree in co-relation 13707. Up to 511 conditions per place. [2021-10-28 22:58:19,087 INFO L132 encePairwiseOnDemand]: 105/111 looper letters, 9 selfloop transitions, 2 changer transitions 8/163 dead transitions. [2021-10-28 22:58:19,088 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 163 transitions, 971 flow [2021-10-28 22:58:19,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 22:58:19,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-10-28 22:58:19,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 695 transitions. [2021-10-28 22:58:19,090 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8944658944658944 [2021-10-28 22:58:19,090 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 695 transitions. [2021-10-28 22:58:19,090 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 695 transitions. [2021-10-28 22:58:19,091 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 22:58:19,091 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 695 transitions. [2021-10-28 22:58:19,094 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 99.28571428571429) internal successors, (695), 7 states have internal predecessors, (695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:19,109 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 111.0) internal successors, (888), 8 states have internal predecessors, (888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:19,110 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 111.0) internal successors, (888), 8 states have internal predecessors, (888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:19,110 INFO L186 Difference]: Start difference. First operand has 160 places, 158 transitions, 927 flow. Second operand 7 states and 695 transitions. [2021-10-28 22:58:19,110 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 163 transitions, 971 flow [2021-10-28 22:58:19,476 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 163 transitions, 831 flow, removed 39 selfloop flow, removed 15 redundant places. [2021-10-28 22:58:19,480 INFO L242 Difference]: Finished difference. Result has 154 places, 155 transitions, 775 flow [2021-10-28 22:58:19,480 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=789, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=156, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=775, PETRI_PLACES=154, PETRI_TRANSITIONS=155} [2021-10-28 22:58:19,481 INFO L334 CegarLoopForPetriNet]: 116 programPoint places, 38 predicate places. [2021-10-28 22:58:19,481 INFO L470 AbstractCegarLoop]: Abstraction has has 154 places, 155 transitions, 775 flow [2021-10-28 22:58:19,482 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 98.42857142857143) internal successors, (689), 7 states have internal predecessors, (689), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:19,482 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 22:58:19,482 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] [2021-10-28 22:58:19,482 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-28 22:58:19,482 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-10-28 22:58:19,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:58:19,483 INFO L85 PathProgramCache]: Analyzing trace with hash 1629743387, now seen corresponding path program 2 times [2021-10-28 22:58:19,483 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:58:19,483 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543229557] [2021-10-28 22:58:19,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:58:19,484 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:58:19,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:58:19,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:58:19,968 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:58:19,968 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543229557] [2021-10-28 22:58:19,968 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543229557] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:58:19,969 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:58:19,969 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-10-28 22:58:19,969 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523115910] [2021-10-28 22:58:19,970 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-28 22:58:19,970 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:58:19,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-28 22:58:19,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-10-28 22:58:19,972 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2021-10-28 22:58:19,973 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 154 places, 155 transitions, 775 flow. Second operand has 13 states, 13 states have (on average 83.84615384615384) internal successors, (1090), 13 states have internal predecessors, (1090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:19,974 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 22:58:19,974 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2021-10-28 22:58:19,974 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 22:58:21,488 INFO L129 PetriNetUnfolder]: 1769/6391 cut-off events. [2021-10-28 22:58:21,488 INFO L130 PetriNetUnfolder]: For 8806/9303 co-relation queries the response was YES. [2021-10-28 22:58:21,532 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18774 conditions, 6391 events. 1769/6391 cut-off events. For 8806/9303 co-relation queries the response was YES. Maximal size of possible extension queue 1147. Compared 83263 event pairs, 57 based on Foata normal form. 5/5960 useless extension candidates. Maximal degree in co-relation 18744. Up to 767 conditions per place. [2021-10-28 22:58:21,544 INFO L132 encePairwiseOnDemand]: 95/111 looper letters, 41 selfloop transitions, 19 changer transitions 42/205 dead transitions. [2021-10-28 22:58:21,545 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 205 transitions, 1332 flow [2021-10-28 22:58:21,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-28 22:58:21,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-10-28 22:58:21,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1208 transitions. [2021-10-28 22:58:21,548 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7773487773487774 [2021-10-28 22:58:21,548 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1208 transitions. [2021-10-28 22:58:21,549 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1208 transitions. [2021-10-28 22:58:21,549 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 22:58:21,549 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1208 transitions. [2021-10-28 22:58:21,553 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 86.28571428571429) internal successors, (1208), 14 states have internal predecessors, (1208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:21,556 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 111.0) internal successors, (1665), 15 states have internal predecessors, (1665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:21,557 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 111.0) internal successors, (1665), 15 states have internal predecessors, (1665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:21,557 INFO L186 Difference]: Start difference. First operand has 154 places, 155 transitions, 775 flow. Second operand 14 states and 1208 transitions. [2021-10-28 22:58:21,557 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 205 transitions, 1332 flow [2021-10-28 22:58:22,339 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 205 transitions, 1314 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-10-28 22:58:22,342 INFO L242 Difference]: Finished difference. Result has 166 places, 159 transitions, 875 flow [2021-10-28 22:58:22,343 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=764, PETRI_DIFFERENCE_MINUEND_PLACES=146, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=155, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=136, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=875, PETRI_PLACES=166, PETRI_TRANSITIONS=159} [2021-10-28 22:58:22,343 INFO L334 CegarLoopForPetriNet]: 116 programPoint places, 50 predicate places. [2021-10-28 22:58:22,343 INFO L470 AbstractCegarLoop]: Abstraction has has 166 places, 159 transitions, 875 flow [2021-10-28 22:58:22,344 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.84615384615384) internal successors, (1090), 13 states have internal predecessors, (1090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:22,344 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 22:58:22,344 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] [2021-10-28 22:58:22,344 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-28 22:58:22,344 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-10-28 22:58:22,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:58:22,345 INFO L85 PathProgramCache]: Analyzing trace with hash 846457945, now seen corresponding path program 3 times [2021-10-28 22:58:22,345 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:58:22,345 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64061309] [2021-10-28 22:58:22,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:58:22,345 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:58:22,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:58:22,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:58:22,937 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:58:22,937 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64061309] [2021-10-28 22:58:22,937 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64061309] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:58:22,937 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:58:22,938 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-28 22:58:22,938 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135638660] [2021-10-28 22:58:22,938 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-28 22:58:22,938 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:58:22,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-28 22:58:22,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-10-28 22:58:22,941 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2021-10-28 22:58:22,942 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 159 transitions, 875 flow. Second operand has 11 states, 11 states have (on average 84.18181818181819) internal successors, (926), 11 states have internal predecessors, (926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:22,942 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 22:58:22,942 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2021-10-28 22:58:22,942 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 22:58:24,451 INFO L129 PetriNetUnfolder]: 1702/6748 cut-off events. [2021-10-28 22:58:24,451 INFO L130 PetriNetUnfolder]: For 9792/10096 co-relation queries the response was YES. [2021-10-28 22:58:24,513 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19761 conditions, 6748 events. 1702/6748 cut-off events. For 9792/10096 co-relation queries the response was YES. Maximal size of possible extension queue 1080. Compared 90191 event pairs, 42 based on Foata normal form. 1/6377 useless extension candidates. Maximal degree in co-relation 19727. Up to 765 conditions per place. [2021-10-28 22:58:24,532 INFO L132 encePairwiseOnDemand]: 99/111 looper letters, 61 selfloop transitions, 25 changer transitions 20/209 dead transitions. [2021-10-28 22:58:24,532 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 170 places, 209 transitions, 1518 flow [2021-10-28 22:58:24,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-28 22:58:24,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-10-28 22:58:24,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 877 transitions. [2021-10-28 22:58:24,536 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7900900900900901 [2021-10-28 22:58:24,536 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 877 transitions. [2021-10-28 22:58:24,536 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 877 transitions. [2021-10-28 22:58:24,537 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 22:58:24,537 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 877 transitions. [2021-10-28 22:58:24,540 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 87.7) internal successors, (877), 10 states have internal predecessors, (877), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:24,554 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 111.0) internal successors, (1221), 11 states have internal predecessors, (1221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:24,565 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 111.0) internal successors, (1221), 11 states have internal predecessors, (1221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:24,565 INFO L186 Difference]: Start difference. First operand has 166 places, 159 transitions, 875 flow. Second operand 10 states and 877 transitions. [2021-10-28 22:58:24,566 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 170 places, 209 transitions, 1518 flow [2021-10-28 22:58:25,236 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 209 transitions, 1484 flow, removed 12 selfloop flow, removed 9 redundant places. [2021-10-28 22:58:25,242 INFO L242 Difference]: Finished difference. Result has 168 places, 171 transitions, 1072 flow [2021-10-28 22:58:25,242 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=851, PETRI_DIFFERENCE_MINUEND_PLACES=152, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=159, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=140, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1072, PETRI_PLACES=168, PETRI_TRANSITIONS=171} [2021-10-28 22:58:25,243 INFO L334 CegarLoopForPetriNet]: 116 programPoint places, 52 predicate places. [2021-10-28 22:58:25,243 INFO L470 AbstractCegarLoop]: Abstraction has has 168 places, 171 transitions, 1072 flow [2021-10-28 22:58:25,243 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 84.18181818181819) internal successors, (926), 11 states have internal predecessors, (926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:25,243 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 22:58:25,244 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] [2021-10-28 22:58:25,244 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-28 22:58:25,244 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-10-28 22:58:25,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:58:25,245 INFO L85 PathProgramCache]: Analyzing trace with hash -573921251, now seen corresponding path program 4 times [2021-10-28 22:58:25,245 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:58:25,245 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541653575] [2021-10-28 22:58:25,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:58:25,245 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:58:25,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:58:26,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:58:26,384 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:58:26,385 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541653575] [2021-10-28 22:58:26,385 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541653575] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:58:26,385 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:58:26,385 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-10-28 22:58:26,385 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408608803] [2021-10-28 22:58:26,386 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-10-28 22:58:26,386 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:58:26,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-10-28 22:58:26,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2021-10-28 22:58:26,389 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 111 [2021-10-28 22:58:26,390 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 171 transitions, 1072 flow. Second operand has 16 states, 16 states have (on average 79.75) internal successors, (1276), 16 states have internal predecessors, (1276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:26,390 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 22:58:26,390 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 111 [2021-10-28 22:58:26,391 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 22:58:28,846 INFO L129 PetriNetUnfolder]: 2251/9096 cut-off events. [2021-10-28 22:58:28,846 INFO L130 PetriNetUnfolder]: For 14809/15299 co-relation queries the response was YES. [2021-10-28 22:58:28,952 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26893 conditions, 9096 events. 2251/9096 cut-off events. For 14809/15299 co-relation queries the response was YES. Maximal size of possible extension queue 1476. Compared 128763 event pairs, 54 based on Foata normal form. 1/8586 useless extension candidates. Maximal degree in co-relation 26856. Up to 1032 conditions per place. [2021-10-28 22:58:28,966 INFO L132 encePairwiseOnDemand]: 97/111 looper letters, 36 selfloop transitions, 12 changer transitions 55/202 dead transitions. [2021-10-28 22:58:28,966 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 176 places, 202 transitions, 1598 flow [2021-10-28 22:58:28,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-28 22:58:28,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-10-28 22:58:28,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 995 transitions. [2021-10-28 22:58:28,969 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.746996996996997 [2021-10-28 22:58:28,970 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 995 transitions. [2021-10-28 22:58:28,970 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 995 transitions. [2021-10-28 22:58:28,971 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 22:58:28,971 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 995 transitions. [2021-10-28 22:58:28,973 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 82.91666666666667) internal successors, (995), 12 states have internal predecessors, (995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:28,976 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 111.0) internal successors, (1443), 13 states have internal predecessors, (1443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:28,977 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 111.0) internal successors, (1443), 13 states have internal predecessors, (1443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:28,977 INFO L186 Difference]: Start difference. First operand has 168 places, 171 transitions, 1072 flow. Second operand 12 states and 995 transitions. [2021-10-28 22:58:28,977 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 176 places, 202 transitions, 1598 flow [2021-10-28 22:58:30,034 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 172 places, 202 transitions, 1585 flow, removed 6 selfloop flow, removed 4 redundant places. [2021-10-28 22:58:30,037 INFO L242 Difference]: Finished difference. Result has 177 places, 144 transitions, 821 flow [2021-10-28 22:58:30,038 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1063, PETRI_DIFFERENCE_MINUEND_PLACES=161, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=171, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=159, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=821, PETRI_PLACES=177, PETRI_TRANSITIONS=144} [2021-10-28 22:58:30,038 INFO L334 CegarLoopForPetriNet]: 116 programPoint places, 61 predicate places. [2021-10-28 22:58:30,038 INFO L470 AbstractCegarLoop]: Abstraction has has 177 places, 144 transitions, 821 flow [2021-10-28 22:58:30,039 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 79.75) internal successors, (1276), 16 states have internal predecessors, (1276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:30,039 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 22:58:30,039 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] [2021-10-28 22:58:30,040 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-28 22:58:30,040 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-10-28 22:58:30,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:58:30,041 INFO L85 PathProgramCache]: Analyzing trace with hash -1841782559, now seen corresponding path program 5 times [2021-10-28 22:58:30,041 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:58:30,041 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732367340] [2021-10-28 22:58:30,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:58:30,042 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:58:30,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:58:30,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:58:30,710 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:58:30,710 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732367340] [2021-10-28 22:58:30,711 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732367340] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:58:30,711 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:58:30,711 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-10-28 22:58:30,711 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924751734] [2021-10-28 22:58:30,711 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-10-28 22:58:30,712 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:58:30,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-10-28 22:58:30,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2021-10-28 22:58:30,714 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 81 out of 111 [2021-10-28 22:58:30,716 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 177 places, 144 transitions, 821 flow. Second operand has 16 states, 16 states have (on average 82.5625) internal successors, (1321), 16 states have internal predecessors, (1321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:30,716 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 22:58:30,716 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 81 of 111 [2021-10-28 22:58:30,716 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 22:58:31,890 INFO L129 PetriNetUnfolder]: 889/3664 cut-off events. [2021-10-28 22:58:31,891 INFO L130 PetriNetUnfolder]: For 6869/7239 co-relation queries the response was YES. [2021-10-28 22:58:31,935 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10997 conditions, 3664 events. 889/3664 cut-off events. For 6869/7239 co-relation queries the response was YES. Maximal size of possible extension queue 563. Compared 43343 event pairs, 52 based on Foata normal form. 6/3445 useless extension candidates. Maximal degree in co-relation 10958. Up to 403 conditions per place. [2021-10-28 22:58:31,943 INFO L132 encePairwiseOnDemand]: 98/111 looper letters, 37 selfloop transitions, 11 changer transitions 16/166 dead transitions. [2021-10-28 22:58:31,943 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 183 places, 166 transitions, 1176 flow [2021-10-28 22:58:31,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-28 22:58:31,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-10-28 22:58:31,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1182 transitions. [2021-10-28 22:58:31,946 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7606177606177607 [2021-10-28 22:58:31,947 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1182 transitions. [2021-10-28 22:58:31,947 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1182 transitions. [2021-10-28 22:58:31,948 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 22:58:31,948 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1182 transitions. [2021-10-28 22:58:31,951 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 84.42857142857143) internal successors, (1182), 14 states have internal predecessors, (1182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:31,954 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 111.0) internal successors, (1665), 15 states have internal predecessors, (1665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:31,955 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 111.0) internal successors, (1665), 15 states have internal predecessors, (1665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:31,955 INFO L186 Difference]: Start difference. First operand has 177 places, 144 transitions, 821 flow. Second operand 14 states and 1182 transitions. [2021-10-28 22:58:31,955 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 183 places, 166 transitions, 1176 flow [2021-10-28 22:58:32,120 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 166 transitions, 1061 flow, removed 37 selfloop flow, removed 17 redundant places. [2021-10-28 22:58:32,123 INFO L242 Difference]: Finished difference. Result has 172 places, 146 transitions, 813 flow [2021-10-28 22:58:32,124 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=749, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=144, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=813, PETRI_PLACES=172, PETRI_TRANSITIONS=146} [2021-10-28 22:58:32,124 INFO L334 CegarLoopForPetriNet]: 116 programPoint places, 56 predicate places. [2021-10-28 22:58:32,125 INFO L470 AbstractCegarLoop]: Abstraction has has 172 places, 146 transitions, 813 flow [2021-10-28 22:58:32,125 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 82.5625) internal successors, (1321), 16 states have internal predecessors, (1321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:32,125 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 22:58:32,126 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] [2021-10-28 22:58:32,126 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-28 22:58:32,126 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-10-28 22:58:32,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:58:32,127 INFO L85 PathProgramCache]: Analyzing trace with hash 1339599697, now seen corresponding path program 6 times [2021-10-28 22:58:32,127 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:58:32,127 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766680173] [2021-10-28 22:58:32,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:58:32,128 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:58:32,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:58:32,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:58:32,748 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:58:32,748 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766680173] [2021-10-28 22:58:32,748 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766680173] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:58:32,749 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:58:32,749 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-28 22:58:32,749 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779465598] [2021-10-28 22:58:32,749 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-28 22:58:32,750 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:58:32,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-28 22:58:32,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-10-28 22:58:32,752 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2021-10-28 22:58:32,753 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 146 transitions, 813 flow. Second operand has 11 states, 11 states have (on average 84.18181818181819) internal successors, (926), 11 states have internal predecessors, (926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:32,753 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 22:58:32,753 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2021-10-28 22:58:32,753 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 22:58:34,428 INFO L129 PetriNetUnfolder]: 1109/4578 cut-off events. [2021-10-28 22:58:34,428 INFO L130 PetriNetUnfolder]: For 7018/7306 co-relation queries the response was YES. [2021-10-28 22:58:34,471 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13269 conditions, 4578 events. 1109/4578 cut-off events. For 7018/7306 co-relation queries the response was YES. Maximal size of possible extension queue 707. Compared 57239 event pairs, 41 based on Foata normal form. 4/4339 useless extension candidates. Maximal degree in co-relation 13232. Up to 507 conditions per place. [2021-10-28 22:58:34,478 INFO L132 encePairwiseOnDemand]: 97/111 looper letters, 38 selfloop transitions, 22 changer transitions 11/174 dead transitions. [2021-10-28 22:58:34,478 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 180 places, 174 transitions, 1235 flow [2021-10-28 22:58:34,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-28 22:58:34,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-10-28 22:58:34,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1126 transitions. [2021-10-28 22:58:34,482 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7803187803187803 [2021-10-28 22:58:34,483 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1126 transitions. [2021-10-28 22:58:34,483 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1126 transitions. [2021-10-28 22:58:34,484 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 22:58:34,484 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1126 transitions. [2021-10-28 22:58:34,487 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 86.61538461538461) internal successors, (1126), 13 states have internal predecessors, (1126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:34,490 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 111.0) internal successors, (1554), 14 states have internal predecessors, (1554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:34,491 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 111.0) internal successors, (1554), 14 states have internal predecessors, (1554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:34,491 INFO L186 Difference]: Start difference. First operand has 172 places, 146 transitions, 813 flow. Second operand 13 states and 1126 transitions. [2021-10-28 22:58:34,492 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 180 places, 174 transitions, 1235 flow [2021-10-28 22:58:34,795 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 174 transitions, 1200 flow, removed 9 selfloop flow, removed 11 redundant places. [2021-10-28 22:58:34,799 INFO L242 Difference]: Finished difference. Result has 175 places, 153 transitions, 943 flow [2021-10-28 22:58:34,799 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=784, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=146, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=126, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=943, PETRI_PLACES=175, PETRI_TRANSITIONS=153} [2021-10-28 22:58:34,800 INFO L334 CegarLoopForPetriNet]: 116 programPoint places, 59 predicate places. [2021-10-28 22:58:34,800 INFO L470 AbstractCegarLoop]: Abstraction has has 175 places, 153 transitions, 943 flow [2021-10-28 22:58:34,800 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 84.18181818181819) internal successors, (926), 11 states have internal predecessors, (926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:34,800 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 22:58:34,800 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] [2021-10-28 22:58:34,801 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-10-28 22:58:34,801 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-10-28 22:58:34,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:58:34,802 INFO L85 PathProgramCache]: Analyzing trace with hash -1904110811, now seen corresponding path program 7 times [2021-10-28 22:58:34,802 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:58:34,802 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496560417] [2021-10-28 22:58:34,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:58:34,803 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:58:35,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:58:35,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:58:35,970 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:58:35,970 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496560417] [2021-10-28 22:58:35,970 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496560417] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:58:35,971 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:58:35,971 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-10-28 22:58:35,971 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254992162] [2021-10-28 22:58:35,972 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-10-28 22:58:35,972 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:58:35,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-10-28 22:58:35,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=249, Unknown=0, NotChecked=0, Total=306 [2021-10-28 22:58:35,975 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 111 [2021-10-28 22:58:35,977 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 175 places, 153 transitions, 943 flow. Second operand has 18 states, 18 states have (on average 77.66666666666667) internal successors, (1398), 18 states have internal predecessors, (1398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:35,977 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 22:58:35,977 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 111 [2021-10-28 22:58:35,978 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 22:58:37,858 INFO L129 PetriNetUnfolder]: 1542/6388 cut-off events. [2021-10-28 22:58:37,858 INFO L130 PetriNetUnfolder]: For 10348/10689 co-relation queries the response was YES. [2021-10-28 22:58:37,904 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18697 conditions, 6388 events. 1542/6388 cut-off events. For 10348/10689 co-relation queries the response was YES. Maximal size of possible extension queue 1041. Compared 85814 event pairs, 27 based on Foata normal form. 7/6037 useless extension candidates. Maximal degree in co-relation 18658. Up to 718 conditions per place. [2021-10-28 22:58:37,913 INFO L132 encePairwiseOnDemand]: 95/111 looper letters, 49 selfloop transitions, 21 changer transitions 9/176 dead transitions. [2021-10-28 22:58:37,913 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 176 transitions, 1353 flow [2021-10-28 22:58:37,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-28 22:58:37,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-10-28 22:58:37,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1198 transitions. [2021-10-28 22:58:37,916 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7195195195195195 [2021-10-28 22:58:37,916 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1198 transitions. [2021-10-28 22:58:37,917 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1198 transitions. [2021-10-28 22:58:37,917 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 22:58:37,918 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1198 transitions. [2021-10-28 22:58:37,921 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 79.86666666666666) internal successors, (1198), 15 states have internal predecessors, (1198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:37,924 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 111.0) internal successors, (1776), 16 states have internal predecessors, (1776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:37,925 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 111.0) internal successors, (1776), 16 states have internal predecessors, (1776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:37,926 INFO L186 Difference]: Start difference. First operand has 175 places, 153 transitions, 943 flow. Second operand 15 states and 1198 transitions. [2021-10-28 22:58:37,926 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 186 places, 176 transitions, 1353 flow [2021-10-28 22:58:38,360 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 176 places, 176 transitions, 1268 flow, removed 21 selfloop flow, removed 10 redundant places. [2021-10-28 22:58:38,363 INFO L242 Difference]: Finished difference. Result has 181 places, 158 transitions, 1019 flow [2021-10-28 22:58:38,363 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=872, PETRI_DIFFERENCE_MINUEND_PLACES=162, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=153, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=1019, PETRI_PLACES=181, PETRI_TRANSITIONS=158} [2021-10-28 22:58:38,364 INFO L334 CegarLoopForPetriNet]: 116 programPoint places, 65 predicate places. [2021-10-28 22:58:38,364 INFO L470 AbstractCegarLoop]: Abstraction has has 181 places, 158 transitions, 1019 flow [2021-10-28 22:58:38,365 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 77.66666666666667) internal successors, (1398), 18 states have internal predecessors, (1398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:38,365 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 22:58:38,365 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] [2021-10-28 22:58:38,365 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-10-28 22:58:38,366 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-10-28 22:58:38,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:58:38,366 INFO L85 PathProgramCache]: Analyzing trace with hash 1925960845, now seen corresponding path program 8 times [2021-10-28 22:58:38,367 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:58:38,367 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61503427] [2021-10-28 22:58:38,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:58:38,367 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:58:38,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:58:39,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:58:39,119 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:58:39,119 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61503427] [2021-10-28 22:58:39,119 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61503427] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:58:39,119 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:58:39,120 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-10-28 22:58:39,120 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688305031] [2021-10-28 22:58:39,120 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-28 22:58:39,120 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:58:39,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-28 22:58:39,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-28 22:58:39,123 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 111 [2021-10-28 22:58:39,125 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 181 places, 158 transitions, 1019 flow. Second operand has 15 states, 15 states have (on average 79.86666666666666) internal successors, (1198), 15 states have internal predecessors, (1198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:39,125 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 22:58:39,125 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 111 [2021-10-28 22:58:39,125 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 22:58:41,775 INFO L129 PetriNetUnfolder]: 2404/9834 cut-off events. [2021-10-28 22:58:41,776 INFO L130 PetriNetUnfolder]: For 16181/16529 co-relation queries the response was YES. [2021-10-28 22:58:41,868 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28572 conditions, 9834 events. 2404/9834 cut-off events. For 16181/16529 co-relation queries the response was YES. Maximal size of possible extension queue 1631. Compared 142493 event pairs, 72 based on Foata normal form. 6/9305 useless extension candidates. Maximal degree in co-relation 28532. Up to 1084 conditions per place. [2021-10-28 22:58:41,881 INFO L132 encePairwiseOnDemand]: 98/111 looper letters, 36 selfloop transitions, 9 changer transitions 57/201 dead transitions. [2021-10-28 22:58:41,881 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 196 places, 201 transitions, 1681 flow [2021-10-28 22:58:41,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-28 22:58:41,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-10-28 22:58:41,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 1551 transitions. [2021-10-28 22:58:41,885 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7354196301564723 [2021-10-28 22:58:41,885 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 1551 transitions. [2021-10-28 22:58:41,885 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 1551 transitions. [2021-10-28 22:58:41,886 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 22:58:41,886 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 1551 transitions. [2021-10-28 22:58:41,890 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 81.63157894736842) internal successors, (1551), 19 states have internal predecessors, (1551), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:41,894 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 111.0) internal successors, (2220), 20 states have internal predecessors, (2220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:41,895 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 111.0) internal successors, (2220), 20 states have internal predecessors, (2220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:41,896 INFO L186 Difference]: Start difference. First operand has 181 places, 158 transitions, 1019 flow. Second operand 19 states and 1551 transitions. [2021-10-28 22:58:41,896 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 196 places, 201 transitions, 1681 flow [2021-10-28 22:58:43,598 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 201 transitions, 1595 flow, removed 34 selfloop flow, removed 12 redundant places. [2021-10-28 22:58:43,602 INFO L242 Difference]: Finished difference. Result has 196 places, 143 transitions, 854 flow [2021-10-28 22:58:43,602 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=975, PETRI_DIFFERENCE_MINUEND_PLACES=166, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=149, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=854, PETRI_PLACES=196, PETRI_TRANSITIONS=143} [2021-10-28 22:58:43,602 INFO L334 CegarLoopForPetriNet]: 116 programPoint places, 80 predicate places. [2021-10-28 22:58:43,602 INFO L470 AbstractCegarLoop]: Abstraction has has 196 places, 143 transitions, 854 flow [2021-10-28 22:58:43,603 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 79.86666666666666) internal successors, (1198), 15 states have internal predecessors, (1198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:43,603 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 22:58:43,603 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] [2021-10-28 22:58:43,603 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-10-28 22:58:43,603 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-10-28 22:58:43,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:58:43,604 INFO L85 PathProgramCache]: Analyzing trace with hash -1782395469, now seen corresponding path program 9 times [2021-10-28 22:58:43,604 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:58:43,604 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565828922] [2021-10-28 22:58:43,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:58:43,605 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:58:43,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:58:44,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:58:44,216 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:58:44,216 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565828922] [2021-10-28 22:58:44,216 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565828922] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:58:44,216 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:58:44,217 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-10-28 22:58:44,217 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863594772] [2021-10-28 22:58:44,217 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-28 22:58:44,217 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:58:44,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-28 22:58:44,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-10-28 22:58:44,220 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 81 out of 111 [2021-10-28 22:58:44,223 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 196 places, 143 transitions, 854 flow. Second operand has 13 states, 13 states have (on average 82.92307692307692) internal successors, (1078), 13 states have internal predecessors, (1078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:44,223 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 22:58:44,224 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 81 of 111 [2021-10-28 22:58:44,224 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 22:58:45,392 INFO L129 PetriNetUnfolder]: 968/3922 cut-off events. [2021-10-28 22:58:45,392 INFO L130 PetriNetUnfolder]: For 5954/6041 co-relation queries the response was YES. [2021-10-28 22:58:45,417 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11309 conditions, 3922 events. 968/3922 cut-off events. For 5954/6041 co-relation queries the response was YES. Maximal size of possible extension queue 654. Compared 48350 event pairs, 28 based on Foata normal form. 1/3720 useless extension candidates. Maximal degree in co-relation 11265. Up to 462 conditions per place. [2021-10-28 22:58:45,420 INFO L132 encePairwiseOnDemand]: 99/111 looper letters, 27 selfloop transitions, 9 changer transitions 27/161 dead transitions. [2021-10-28 22:58:45,421 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 161 transitions, 1168 flow [2021-10-28 22:58:45,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-28 22:58:45,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-10-28 22:58:45,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1017 transitions. [2021-10-28 22:58:45,424 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7635135135135135 [2021-10-28 22:58:45,424 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1017 transitions. [2021-10-28 22:58:45,424 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1017 transitions. [2021-10-28 22:58:45,424 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 22:58:45,424 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1017 transitions. [2021-10-28 22:58:45,426 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 84.75) internal successors, (1017), 12 states have internal predecessors, (1017), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:45,428 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 111.0) internal successors, (1443), 13 states have internal predecessors, (1443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:45,429 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 111.0) internal successors, (1443), 13 states have internal predecessors, (1443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:45,429 INFO L186 Difference]: Start difference. First operand has 196 places, 143 transitions, 854 flow. Second operand 12 states and 1017 transitions. [2021-10-28 22:58:45,429 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 161 transitions, 1168 flow [2021-10-28 22:58:45,717 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 164 places, 161 transitions, 1029 flow, removed 37 selfloop flow, removed 28 redundant places. [2021-10-28 22:58:45,720 INFO L242 Difference]: Finished difference. Result has 170 places, 131 transitions, 680 flow [2021-10-28 22:58:45,720 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=751, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=143, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=134, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=680, PETRI_PLACES=170, PETRI_TRANSITIONS=131} [2021-10-28 22:58:45,720 INFO L334 CegarLoopForPetriNet]: 116 programPoint places, 54 predicate places. [2021-10-28 22:58:45,720 INFO L470 AbstractCegarLoop]: Abstraction has has 170 places, 131 transitions, 680 flow [2021-10-28 22:58:45,721 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 82.92307692307692) internal successors, (1078), 13 states have internal predecessors, (1078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:45,721 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 22:58:45,722 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] [2021-10-28 22:58:45,722 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-10-28 22:58:45,722 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-10-28 22:58:45,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:58:45,722 INFO L85 PathProgramCache]: Analyzing trace with hash -813538495, now seen corresponding path program 10 times [2021-10-28 22:58:45,723 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:58:45,723 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707163900] [2021-10-28 22:58:45,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:58:45,723 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:58:45,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:58:46,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:58:46,464 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:58:46,464 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707163900] [2021-10-28 22:58:46,464 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707163900] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:58:46,464 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:58:46,465 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-10-28 22:58:46,465 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385758998] [2021-10-28 22:58:46,465 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-28 22:58:46,466 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:58:46,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-28 22:58:46,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2021-10-28 22:58:46,469 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 111 [2021-10-28 22:58:46,470 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 170 places, 131 transitions, 680 flow. Second operand has 15 states, 15 states have (on average 80.8) internal successors, (1212), 15 states have internal predecessors, (1212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:46,470 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 22:58:46,471 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 111 [2021-10-28 22:58:46,471 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 22:58:47,220 INFO L129 PetriNetUnfolder]: 250/1144 cut-off events. [2021-10-28 22:58:47,220 INFO L130 PetriNetUnfolder]: For 1986/2043 co-relation queries the response was YES. [2021-10-28 22:58:47,226 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3404 conditions, 1144 events. 250/1144 cut-off events. For 1986/2043 co-relation queries the response was YES. Maximal size of possible extension queue 168. Compared 10511 event pairs, 17 based on Foata normal form. 1/1076 useless extension candidates. Maximal degree in co-relation 3369. Up to 160 conditions per place. [2021-10-28 22:58:47,227 INFO L132 encePairwiseOnDemand]: 100/111 looper letters, 0 selfloop transitions, 0 changer transitions 130/130 dead transitions. [2021-10-28 22:58:47,227 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 130 transitions, 752 flow [2021-10-28 22:58:47,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-28 22:58:47,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-10-28 22:58:47,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 977 transitions. [2021-10-28 22:58:47,229 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7334834834834835 [2021-10-28 22:58:47,229 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 977 transitions. [2021-10-28 22:58:47,229 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 977 transitions. [2021-10-28 22:58:47,230 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 22:58:47,230 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 977 transitions. [2021-10-28 22:58:47,231 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 81.41666666666667) internal successors, (977), 12 states have internal predecessors, (977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:47,234 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 111.0) internal successors, (1443), 13 states have internal predecessors, (1443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:47,234 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 111.0) internal successors, (1443), 13 states have internal predecessors, (1443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:47,234 INFO L186 Difference]: Start difference. First operand has 170 places, 131 transitions, 680 flow. Second operand 12 states and 977 transitions. [2021-10-28 22:58:47,234 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 172 places, 130 transitions, 752 flow [2021-10-28 22:58:47,253 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 156 places, 130 transitions, 686 flow, removed 20 selfloop flow, removed 16 redundant places. [2021-10-28 22:58:47,254 INFO L242 Difference]: Finished difference. Result has 156 places, 0 transitions, 0 flow [2021-10-28 22:58:47,254 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=608, PETRI_DIFFERENCE_MINUEND_PLACES=145, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=0, PETRI_PLACES=156, PETRI_TRANSITIONS=0} [2021-10-28 22:58:47,254 INFO L334 CegarLoopForPetriNet]: 116 programPoint places, 40 predicate places. [2021-10-28 22:58:47,255 INFO L470 AbstractCegarLoop]: Abstraction has has 156 places, 0 transitions, 0 flow [2021-10-28 22:58:47,255 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 80.8) internal successors, (1212), 15 states have internal predecessors, (1212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:47,258 INFO L764 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:58:47,259 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:58:47,259 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-28 22:58:47,259 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-28 22:58:47,259 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-28 22:58:47,260 INFO L764 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:58:47,260 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-10-28 22:58:47,264 INFO L731 BasicCegarLoop]: Path program histogram: [10, 2, 2, 2, 1, 1, 1, 1] [2021-10-28 22:58:47,270 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-28 22:58:47,270 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 22:58:47,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 10:58:47 BasicIcfg [2021-10-28 22:58:47,273 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 22:58:47,274 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 22:58:47,274 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 22:58:47,274 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 22:58:47,275 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:57:59" (3/4) ... [2021-10-28 22:58:47,278 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 22:58:47,285 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2021-10-28 22:58:47,286 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2021-10-28 22:58:47,286 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2021-10-28 22:58:47,303 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 176 nodes and edges [2021-10-28 22:58:47,305 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 42 nodes and edges [2021-10-28 22:58:47,306 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-10-28 22:58:47,307 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 22:58:47,417 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a466da22-d2dd-47c8-952c-9a29685f1875/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 22:58:47,417 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 22:58:47,419 INFO L168 Benchmark]: Toolchain (without parser) took 54188.12 ms. Allocated memory was 86.0 MB in the beginning and 2.2 GB in the end (delta: 2.1 GB). Free memory was 62.3 MB in the beginning and 1.8 GB in the end (delta: -1.7 GB). Peak memory consumption was 369.7 MB. Max. memory is 16.1 GB. [2021-10-28 22:58:47,419 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 86.0 MB. Free memory was 61.9 MB in the beginning and 61.8 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 22:58:47,420 INFO L168 Benchmark]: CACSL2BoogieTranslator took 760.58 ms. Allocated memory is still 86.0 MB. Free memory was 62.0 MB in the beginning and 42.8 MB in the end (delta: 19.2 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2021-10-28 22:58:47,420 INFO L168 Benchmark]: Boogie Procedure Inliner took 122.85 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 42.8 MB in the beginning and 79.9 MB in the end (delta: -37.1 MB). Peak memory consumption was 9.0 MB. Max. memory is 16.1 GB. [2021-10-28 22:58:47,421 INFO L168 Benchmark]: Boogie Preprocessor took 61.72 ms. Allocated memory is still 104.9 MB. Free memory was 79.9 MB in the beginning and 76.7 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 22:58:47,421 INFO L168 Benchmark]: RCFGBuilder took 4950.08 ms. Allocated memory was 104.9 MB in the beginning and 188.7 MB in the end (delta: 83.9 MB). Free memory was 76.7 MB in the beginning and 115.2 MB in the end (delta: -38.5 MB). Peak memory consumption was 57.3 MB. Max. memory is 16.1 GB. [2021-10-28 22:58:47,422 INFO L168 Benchmark]: TraceAbstraction took 48142.47 ms. Allocated memory was 188.7 MB in the beginning and 2.2 GB in the end (delta: 2.0 GB). Free memory was 115.2 MB in the beginning and 1.8 GB in the end (delta: -1.7 GB). Peak memory consumption was 304.6 MB. Max. memory is 16.1 GB. [2021-10-28 22:58:47,422 INFO L168 Benchmark]: Witness Printer took 143.20 ms. Allocated memory is still 2.2 GB. Free memory was 1.8 GB in the beginning and 1.8 GB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-28 22:58:47,425 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 86.0 MB. Free memory was 61.9 MB in the beginning and 61.8 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 760.58 ms. Allocated memory is still 86.0 MB. Free memory was 62.0 MB in the beginning and 42.8 MB in the end (delta: 19.2 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 122.85 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 42.8 MB in the beginning and 79.9 MB in the end (delta: -37.1 MB). Peak memory consumption was 9.0 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 61.72 ms. Allocated memory is still 104.9 MB. Free memory was 79.9 MB in the beginning and 76.7 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 4950.08 ms. Allocated memory was 104.9 MB in the beginning and 188.7 MB in the end (delta: 83.9 MB). Free memory was 76.7 MB in the beginning and 115.2 MB in the end (delta: -38.5 MB). Peak memory consumption was 57.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 48142.47 ms. Allocated memory was 188.7 MB in the beginning and 2.2 GB in the end (delta: 2.0 GB). Free memory was 115.2 MB in the beginning and 1.8 GB in the end (delta: -1.7 GB). Peak memory consumption was 304.6 MB. Max. memory is 16.1 GB. * Witness Printer took 143.20 ms. Allocated memory is still 2.2 GB. Free memory was 1.8 GB in the beginning and 1.8 GB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 141 locations, 6 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 47.8s, OverallIterations: 20, TraceHistogramMax: 1, PathProgramHistogramMax: 10, EmptinessCheckTime: 0.0s, AutomataDifference: 35.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 283 SDtfs, 789 SDslu, 1395 SDs, 0 SdLazy, 3543 SolverSat, 795 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 364 GetRequests, 49 SyntacticMatches, 4 SemanticMatches, 311 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 849 ImplicationChecksByTransitivity, 6.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1072occurred in iteration=13, InterpolantAutomatonStates: 238, 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, 3.1s SatisfiabilityAnalysisTime, 8.6s InterpolantComputationTime, 1604 NumberOfCodeBlocks, 1604 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 1584 ConstructedInterpolants, 0 QuantifiedInterpolants, 10418 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 20 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-28 22:58:47,494 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a466da22-d2dd-47c8-952c-9a29685f1875/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...