./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/rfi002_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ff03de63 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-wmm/rfi002_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 9d6df98e8ac4880739ff8c7fa9cf00b32c56a4c64770b2bc9bcfef3d013872fa --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 15:05:14,684 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 15:05:14,686 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 15:05:14,739 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 15:05:14,739 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 15:05:14,745 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 15:05:14,746 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 15:05:14,749 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 15:05:14,750 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 15:05:14,754 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 15:05:14,755 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 15:05:14,756 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 15:05:14,756 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 15:05:14,759 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 15:05:14,760 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 15:05:14,763 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 15:05:14,763 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 15:05:14,764 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 15:05:14,766 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 15:05:14,771 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 15:05:14,772 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 15:05:14,773 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 15:05:14,775 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 15:05:14,775 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 15:05:14,781 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 15:05:14,781 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 15:05:14,782 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 15:05:14,783 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 15:05:14,783 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 15:05:14,784 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 15:05:14,785 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 15:05:14,785 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 15:05:14,787 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 15:05:14,788 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 15:05:14,789 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 15:05:14,789 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 15:05:14,790 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 15:05:14,790 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 15:05:14,790 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 15:05:14,792 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 15:05:14,793 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 15:05:14,794 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-21 15:05:14,823 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 15:05:14,824 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 15:05:14,824 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 15:05:14,824 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 15:05:14,825 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 15:05:14,825 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 15:05:14,826 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 15:05:14,826 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 15:05:14,826 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 15:05:14,826 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 15:05:14,827 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 15:05:14,827 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 15:05:14,828 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 15:05:14,828 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 15:05:14,828 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 15:05:14,828 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 15:05:14,828 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 15:05:14,829 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 15:05:14,829 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 15:05:14,829 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 15:05:14,829 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 15:05:14,829 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 15:05:14,830 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 15:05:14,830 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 15:05:14,830 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 15:05:14,830 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 15:05:14,830 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 15:05:14,831 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 15:05:14,832 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 15:05:14,832 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 15:05:14,832 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 15:05:14,832 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 15:05:14,833 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 15:05:14,833 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 15:05:14,833 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d6df98e8ac4880739ff8c7fa9cf00b32c56a4c64770b2bc9bcfef3d013872fa [2021-12-21 15:05:15,057 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 15:05:15,076 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 15:05:15,078 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 15:05:15,079 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 15:05:15,081 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 15:05:15,082 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/rfi002_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2021-12-21 15:05:15,136 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21eb0bb00/0def6ac2a0d54e9487c5710b705b95b0/FLAGe410a749f [2021-12-21 15:05:15,570 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 15:05:15,571 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/rfi002_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2021-12-21 15:05:15,584 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21eb0bb00/0def6ac2a0d54e9487c5710b705b95b0/FLAGe410a749f [2021-12-21 15:05:15,924 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21eb0bb00/0def6ac2a0d54e9487c5710b705b95b0 [2021-12-21 15:05:15,926 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 15:05:15,928 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 15:05:15,931 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 15:05:15,931 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 15:05:15,933 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 15:05:15,934 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 03:05:15" (1/1) ... [2021-12-21 15:05:15,935 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@408839ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:05:15, skipping insertion in model container [2021-12-21 15:05:15,935 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 03:05:15" (1/1) ... [2021-12-21 15:05:15,940 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 15:05:15,991 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 15:05:16,135 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/rfi002_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i[1038,1051] [2021-12-21 15:05:16,323 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 15:05:16,329 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 15:05:16,348 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/rfi002_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i[1038,1051] [2021-12-21 15:05:16,390 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 15:05:16,421 INFO L208 MainTranslator]: Completed translation [2021-12-21 15:05:16,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:05:16 WrapperNode [2021-12-21 15:05:16,422 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 15:05:16,423 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 15:05:16,423 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 15:05:16,423 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 15:05:16,433 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:05:16" (1/1) ... [2021-12-21 15:05:16,450 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:05:16" (1/1) ... [2021-12-21 15:05:16,487 INFO L137 Inliner]: procedures = 175, calls = 47, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 366 [2021-12-21 15:05:16,488 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 15:05:16,488 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 15:05:16,488 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 15:05:16,489 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 15:05:16,495 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:05:16" (1/1) ... [2021-12-21 15:05:16,496 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:05:16" (1/1) ... [2021-12-21 15:05:16,500 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:05:16" (1/1) ... [2021-12-21 15:05:16,500 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:05:16" (1/1) ... [2021-12-21 15:05:16,514 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:05:16" (1/1) ... [2021-12-21 15:05:16,519 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:05:16" (1/1) ... [2021-12-21 15:05:16,522 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:05:16" (1/1) ... [2021-12-21 15:05:16,546 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 15:05:16,547 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 15:05:16,547 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 15:05:16,547 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 15:05:16,548 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:05:16" (1/1) ... [2021-12-21 15:05:16,564 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 15:05:16,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:05:16,604 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-21 15:05:16,625 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-21 15:05:16,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 15:05:16,646 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-21 15:05:16,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 15:05:16,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 15:05:16,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 15:05:16,646 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-12-21 15:05:16,647 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-12-21 15:05:16,647 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-12-21 15:05:16,647 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-12-21 15:05:16,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 15:05:16,647 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-21 15:05:16,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 15:05:16,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 15:05:16,649 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-21 15:05:16,783 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 15:05:16,784 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 15:05:17,353 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 15:05:17,777 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 15:05:17,777 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-21 15:05:17,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 03:05:17 BoogieIcfgContainer [2021-12-21 15:05:17,780 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 15:05:17,781 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 15:05:17,781 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 15:05:17,784 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 15:05:17,784 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 03:05:15" (1/3) ... [2021-12-21 15:05:17,784 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@123733b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 03:05:17, skipping insertion in model container [2021-12-21 15:05:17,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:05:16" (2/3) ... [2021-12-21 15:05:17,785 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@123733b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 03:05:17, skipping insertion in model container [2021-12-21 15:05:17,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 03:05:17" (3/3) ... [2021-12-21 15:05:17,786 INFO L111 eAbstractionObserver]: Analyzing ICFG rfi002_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2021-12-21 15:05:17,790 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-21 15:05:17,790 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 15:05:17,790 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-12-21 15:05:17,791 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-21 15:05:17,836 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,836 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,836 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,836 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,836 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,837 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,837 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,837 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,837 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,838 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,838 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,838 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,839 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,839 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,839 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,839 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,840 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,840 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,840 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,840 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,841 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,841 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,842 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,842 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,842 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,843 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,843 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,843 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,843 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,843 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,844 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,844 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,844 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,844 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,844 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,844 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,844 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,845 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,845 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,845 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,845 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,845 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,845 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,845 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,846 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,846 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,846 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,846 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,846 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,847 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,847 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,847 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,847 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,847 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,847 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,848 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,848 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,848 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,848 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,848 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,850 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,850 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,850 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,850 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,851 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,851 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,851 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,851 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,851 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,852 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,852 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,852 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,852 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,852 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,852 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,852 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,853 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,853 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,853 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,853 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,854 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,854 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,856 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,856 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,857 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,857 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,857 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,857 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,857 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,858 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,858 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,863 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,863 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,863 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,863 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,863 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,864 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,864 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,866 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,866 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,866 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,866 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,866 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,866 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,867 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,867 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,867 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,867 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,868 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,868 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,868 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,868 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,869 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,869 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,869 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,869 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,870 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,870 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,870 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,870 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,870 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,870 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,870 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,871 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,871 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,871 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,871 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,871 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,872 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,872 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,872 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,872 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,873 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,873 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,873 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,873 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,873 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,874 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,874 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,874 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,874 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,874 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,874 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,874 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,875 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,875 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,875 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,875 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,875 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,875 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,876 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,876 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,876 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,876 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,876 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,877 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,877 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,877 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,877 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,877 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,877 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,877 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,877 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,877 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,877 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,877 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,878 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,878 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,878 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,878 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,880 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,880 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,880 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,880 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,881 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,881 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,881 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,881 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,881 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,881 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,881 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,881 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,882 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,882 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,882 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,882 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,882 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,882 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,882 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,883 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,883 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,883 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,883 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,883 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,883 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,883 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,884 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,884 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,884 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,884 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,884 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,884 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,884 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,885 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,885 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,885 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,885 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,885 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,888 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,891 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite65#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,891 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,891 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,891 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite66#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,891 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,891 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite64#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,892 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,892 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite65#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,892 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,893 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,893 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite66#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,893 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,893 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite64#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,894 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,894 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,895 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,895 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,897 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,903 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,903 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,903 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,903 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,904 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,904 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,904 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,904 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,904 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,905 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,905 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,905 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,905 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,905 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,905 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,906 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,906 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,906 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,906 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,906 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,906 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,906 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,907 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,907 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,907 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,907 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,907 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,908 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,908 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,908 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,908 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,908 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,908 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,908 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,909 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,909 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,909 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,909 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,910 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,910 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,910 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,910 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,910 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,911 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,911 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,911 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,911 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,911 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,911 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,912 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,912 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,912 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,912 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,912 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,912 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,912 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite66#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,913 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,913 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,913 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,913 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,913 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,913 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,913 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,914 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite65#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,914 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,914 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,914 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,914 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,914 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,914 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,915 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,915 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite64#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,915 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:17,915 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-12-21 15:05:17,962 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 15:05:17,972 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-21 15:05:17,973 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-12-21 15:05:17,982 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 104 places, 99 transitions, 208 flow [2021-12-21 15:05:18,020 INFO L129 PetriNetUnfolder]: 2/97 cut-off events. [2021-12-21 15:05:18,021 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-21 15:05:18,023 INFO L84 FinitePrefix]: Finished finitePrefix Result has 104 conditions, 97 events. 2/97 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 50 event pairs, 0 based on Foata normal form. 0/93 useless extension candidates. Maximal degree in co-relation 58. Up to 2 conditions per place. [2021-12-21 15:05:18,024 INFO L82 GeneralOperation]: Start removeDead. Operand has 104 places, 99 transitions, 208 flow [2021-12-21 15:05:18,027 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 102 places, 97 transitions, 200 flow [2021-12-21 15:05:18,044 INFO L129 PetriNetUnfolder]: 0/58 cut-off events. [2021-12-21 15:05:18,045 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-21 15:05:18,045 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:05:18,046 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] [2021-12-21 15:05:18,046 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-12-21 15:05:18,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:05:18,052 INFO L85 PathProgramCache]: Analyzing trace with hash -491542144, now seen corresponding path program 1 times [2021-12-21 15:05:18,058 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:05:18,059 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097039052] [2021-12-21 15:05:18,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:05:18,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:05:18,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:05:18,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 15:05:18,276 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:05:18,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097039052] [2021-12-21 15:05:18,277 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097039052] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:05:18,277 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:05:18,277 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-21 15:05:18,279 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303790293] [2021-12-21 15:05:18,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:05:18,286 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 15:05:18,286 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:05:18,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 15:05:18,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 15:05:18,308 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 99 [2021-12-21 15:05:18,313 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 97 transitions, 200 flow. Second operand has 3 states, 3 states have (on average 85.33333333333333) internal successors, (256), 3 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:18,313 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 15:05:18,313 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 99 [2021-12-21 15:05:18,314 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 15:05:18,495 INFO L129 PetriNetUnfolder]: 60/468 cut-off events. [2021-12-21 15:05:18,496 INFO L130 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2021-12-21 15:05:18,500 INFO L84 FinitePrefix]: Finished finitePrefix Result has 595 conditions, 468 events. 60/468 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 2658 event pairs, 25 based on Foata normal form. 23/460 useless extension candidates. Maximal degree in co-relation 546. Up to 88 conditions per place. [2021-12-21 15:05:18,503 INFO L132 encePairwiseOnDemand]: 94/99 looper letters, 14 selfloop transitions, 2 changer transitions 0/98 dead transitions. [2021-12-21 15:05:18,503 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 98 transitions, 234 flow [2021-12-21 15:05:18,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 15:05:18,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-21 15:05:18,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 273 transitions. [2021-12-21 15:05:18,515 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9191919191919192 [2021-12-21 15:05:18,516 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 273 transitions. [2021-12-21 15:05:18,516 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 273 transitions. [2021-12-21 15:05:18,517 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 15:05:18,519 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 273 transitions. [2021-12-21 15:05:18,522 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 91.0) internal successors, (273), 3 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:18,527 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 99.0) internal successors, (396), 4 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:18,527 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 99.0) internal successors, (396), 4 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:18,529 INFO L186 Difference]: Start difference. First operand has 102 places, 97 transitions, 200 flow. Second operand 3 states and 273 transitions. [2021-12-21 15:05:18,529 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 98 transitions, 234 flow [2021-12-21 15:05:18,532 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 98 transitions, 232 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-12-21 15:05:18,534 INFO L242 Difference]: Finished difference. Result has 100 places, 93 transitions, 194 flow [2021-12-21 15:05:18,536 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=190, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=194, PETRI_PLACES=100, PETRI_TRANSITIONS=93} [2021-12-21 15:05:18,539 INFO L334 CegarLoopForPetriNet]: 102 programPoint places, -2 predicate places. [2021-12-21 15:05:18,539 INFO L470 AbstractCegarLoop]: Abstraction has has 100 places, 93 transitions, 194 flow [2021-12-21 15:05:18,540 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 85.33333333333333) internal successors, (256), 3 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:18,540 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:05:18,540 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] [2021-12-21 15:05:18,540 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 15:05:18,541 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-12-21 15:05:18,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:05:18,541 INFO L85 PathProgramCache]: Analyzing trace with hash 1591079342, now seen corresponding path program 1 times [2021-12-21 15:05:18,541 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:05:18,542 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165916024] [2021-12-21 15:05:18,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:05:18,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:05:18,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:05:18,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 15:05:18,758 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:05:18,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165916024] [2021-12-21 15:05:18,758 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165916024] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:05:18,758 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:05:18,758 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 15:05:18,759 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238918618] [2021-12-21 15:05:18,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:05:18,760 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 15:05:18,760 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:05:18,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 15:05:18,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-21 15:05:18,762 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 99 [2021-12-21 15:05:18,763 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 93 transitions, 194 flow. Second operand has 6 states, 6 states have (on average 79.66666666666667) internal successors, (478), 6 states have internal predecessors, (478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:18,763 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 15:05:18,763 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 99 [2021-12-21 15:05:18,763 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 15:05:19,139 INFO L129 PetriNetUnfolder]: 208/704 cut-off events. [2021-12-21 15:05:19,139 INFO L130 PetriNetUnfolder]: For 40/40 co-relation queries the response was YES. [2021-12-21 15:05:19,141 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1132 conditions, 704 events. 208/704 cut-off events. For 40/40 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 4206 event pairs, 42 based on Foata normal form. 0/682 useless extension candidates. Maximal degree in co-relation 1082. Up to 149 conditions per place. [2021-12-21 15:05:19,142 INFO L132 encePairwiseOnDemand]: 93/99 looper letters, 19 selfloop transitions, 2 changer transitions 46/134 dead transitions. [2021-12-21 15:05:19,143 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 134 transitions, 408 flow [2021-12-21 15:05:19,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-21 15:05:19,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-21 15:05:19,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 762 transitions. [2021-12-21 15:05:19,147 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8552188552188552 [2021-12-21 15:05:19,147 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 762 transitions. [2021-12-21 15:05:19,147 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 762 transitions. [2021-12-21 15:05:19,148 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 15:05:19,149 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 762 transitions. [2021-12-21 15:05:19,151 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 84.66666666666667) internal successors, (762), 9 states have internal predecessors, (762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:19,153 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 99.0) internal successors, (990), 10 states have internal predecessors, (990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:19,154 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 99.0) internal successors, (990), 10 states have internal predecessors, (990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:19,154 INFO L186 Difference]: Start difference. First operand has 100 places, 93 transitions, 194 flow. Second operand 9 states and 762 transitions. [2021-12-21 15:05:19,154 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 134 transitions, 408 flow [2021-12-21 15:05:19,156 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 134 transitions, 390 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-12-21 15:05:19,157 INFO L242 Difference]: Finished difference. Result has 113 places, 83 transitions, 190 flow [2021-12-21 15:05:19,158 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=190, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=190, PETRI_PLACES=113, PETRI_TRANSITIONS=83} [2021-12-21 15:05:19,158 INFO L334 CegarLoopForPetriNet]: 102 programPoint places, 11 predicate places. [2021-12-21 15:05:19,159 INFO L470 AbstractCegarLoop]: Abstraction has has 113 places, 83 transitions, 190 flow [2021-12-21 15:05:19,159 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 79.66666666666667) internal successors, (478), 6 states have internal predecessors, (478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:19,159 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:05:19,159 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] [2021-12-21 15:05:19,160 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-21 15:05:19,160 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-12-21 15:05:19,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:05:19,160 INFO L85 PathProgramCache]: Analyzing trace with hash -1756940466, now seen corresponding path program 1 times [2021-12-21 15:05:19,161 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:05:19,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060982599] [2021-12-21 15:05:19,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:05:19,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:05:19,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:05:19,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 15:05:19,370 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:05:19,370 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060982599] [2021-12-21 15:05:19,370 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060982599] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:05:19,370 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:05:19,370 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 15:05:19,371 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359539602] [2021-12-21 15:05:19,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:05:19,371 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 15:05:19,371 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:05:19,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 15:05:19,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-21 15:05:19,373 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 99 [2021-12-21 15:05:19,374 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 83 transitions, 190 flow. Second operand has 6 states, 6 states have (on average 79.0) internal successors, (474), 6 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:19,374 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 15:05:19,374 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 99 [2021-12-21 15:05:19,374 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 15:05:19,601 INFO L129 PetriNetUnfolder]: 127/381 cut-off events. [2021-12-21 15:05:19,601 INFO L130 PetriNetUnfolder]: For 121/121 co-relation queries the response was YES. [2021-12-21 15:05:19,603 INFO L84 FinitePrefix]: Finished finitePrefix Result has 753 conditions, 381 events. 127/381 cut-off events. For 121/121 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1575 event pairs, 36 based on Foata normal form. 10/372 useless extension candidates. Maximal degree in co-relation 699. Up to 120 conditions per place. [2021-12-21 15:05:19,604 INFO L132 encePairwiseOnDemand]: 93/99 looper letters, 19 selfloop transitions, 2 changer transitions 25/112 dead transitions. [2021-12-21 15:05:19,604 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 112 transitions, 361 flow [2021-12-21 15:05:19,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-21 15:05:19,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-21 15:05:19,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 741 transitions. [2021-12-21 15:05:19,607 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8316498316498316 [2021-12-21 15:05:19,607 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 741 transitions. [2021-12-21 15:05:19,607 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 741 transitions. [2021-12-21 15:05:19,608 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 15:05:19,608 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 741 transitions. [2021-12-21 15:05:19,610 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 82.33333333333333) internal successors, (741), 9 states have internal predecessors, (741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:19,611 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 99.0) internal successors, (990), 10 states have internal predecessors, (990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:19,612 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 99.0) internal successors, (990), 10 states have internal predecessors, (990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:19,612 INFO L186 Difference]: Start difference. First operand has 113 places, 83 transitions, 190 flow. Second operand 9 states and 741 transitions. [2021-12-21 15:05:19,612 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 112 transitions, 361 flow [2021-12-21 15:05:19,615 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 112 transitions, 327 flow, removed 14 selfloop flow, removed 8 redundant places. [2021-12-21 15:05:19,617 INFO L242 Difference]: Finished difference. Result has 104 places, 83 transitions, 194 flow [2021-12-21 15:05:19,617 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=174, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=194, PETRI_PLACES=104, PETRI_TRANSITIONS=83} [2021-12-21 15:05:19,618 INFO L334 CegarLoopForPetriNet]: 102 programPoint places, 2 predicate places. [2021-12-21 15:05:19,618 INFO L470 AbstractCegarLoop]: Abstraction has has 104 places, 83 transitions, 194 flow [2021-12-21 15:05:19,618 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 79.0) internal successors, (474), 6 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:19,618 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:05:19,619 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:05:19,619 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-21 15:05:19,619 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-12-21 15:05:19,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:05:19,620 INFO L85 PathProgramCache]: Analyzing trace with hash 1028990539, now seen corresponding path program 1 times [2021-12-21 15:05:19,620 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:05:19,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640237427] [2021-12-21 15:05:19,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:05:19,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:05:19,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:05:20,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 15:05:20,069 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:05:20,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640237427] [2021-12-21 15:05:20,069 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640237427] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:05:20,069 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:05:20,069 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-12-21 15:05:20,070 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498829983] [2021-12-21 15:05:20,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:05:20,070 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-12-21 15:05:20,070 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:05:20,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-12-21 15:05:20,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2021-12-21 15:05:20,073 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 70 out of 99 [2021-12-21 15:05:20,074 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 83 transitions, 194 flow. Second operand has 15 states, 15 states have (on average 71.4) internal successors, (1071), 15 states have internal predecessors, (1071), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:20,074 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 15:05:20,074 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 70 of 99 [2021-12-21 15:05:20,074 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 15:05:20,448 INFO L129 PetriNetUnfolder]: 110/358 cut-off events. [2021-12-21 15:05:20,448 INFO L130 PetriNetUnfolder]: For 82/82 co-relation queries the response was YES. [2021-12-21 15:05:20,449 INFO L84 FinitePrefix]: Finished finitePrefix Result has 703 conditions, 358 events. 110/358 cut-off events. For 82/82 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1379 event pairs, 28 based on Foata normal form. 6/342 useless extension candidates. Maximal degree in co-relation 648. Up to 139 conditions per place. [2021-12-21 15:05:20,451 INFO L132 encePairwiseOnDemand]: 84/99 looper letters, 25 selfloop transitions, 13 changer transitions 13/110 dead transitions. [2021-12-21 15:05:20,451 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 110 transitions, 367 flow [2021-12-21 15:05:20,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-21 15:05:20,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-12-21 15:05:20,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 962 transitions. [2021-12-21 15:05:20,454 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7474747474747475 [2021-12-21 15:05:20,454 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 962 transitions. [2021-12-21 15:05:20,454 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 962 transitions. [2021-12-21 15:05:20,455 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 15:05:20,455 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 962 transitions. [2021-12-21 15:05:20,477 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 74.0) internal successors, (962), 13 states have internal predecessors, (962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:20,479 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 99.0) internal successors, (1386), 14 states have internal predecessors, (1386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:20,480 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 99.0) internal successors, (1386), 14 states have internal predecessors, (1386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:20,480 INFO L186 Difference]: Start difference. First operand has 104 places, 83 transitions, 194 flow. Second operand 13 states and 962 transitions. [2021-12-21 15:05:20,480 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 110 transitions, 367 flow [2021-12-21 15:05:20,482 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 110 transitions, 343 flow, removed 10 selfloop flow, removed 8 redundant places. [2021-12-21 15:05:20,484 INFO L242 Difference]: Finished difference. Result has 108 places, 90 transitions, 247 flow [2021-12-21 15:05:20,485 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=178, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=247, PETRI_PLACES=108, PETRI_TRANSITIONS=90} [2021-12-21 15:05:20,485 INFO L334 CegarLoopForPetriNet]: 102 programPoint places, 6 predicate places. [2021-12-21 15:05:20,486 INFO L470 AbstractCegarLoop]: Abstraction has has 108 places, 90 transitions, 247 flow [2021-12-21 15:05:20,486 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 71.4) internal successors, (1071), 15 states have internal predecessors, (1071), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:20,486 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:05:20,486 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] [2021-12-21 15:05:20,487 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-21 15:05:20,487 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-12-21 15:05:20,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:05:20,488 INFO L85 PathProgramCache]: Analyzing trace with hash 595039149, now seen corresponding path program 2 times [2021-12-21 15:05:20,488 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:05:20,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515412620] [2021-12-21 15:05:20,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:05:20,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:05:20,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:05:20,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 15:05:20,765 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:05:20,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515412620] [2021-12-21 15:05:20,765 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515412620] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:05:20,765 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:05:20,766 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-12-21 15:05:20,766 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13403358] [2021-12-21 15:05:20,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:05:20,766 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-12-21 15:05:20,767 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:05:20,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-12-21 15:05:20,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2021-12-21 15:05:20,768 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 99 [2021-12-21 15:05:20,769 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 90 transitions, 247 flow. Second operand has 13 states, 13 states have (on average 74.38461538461539) internal successors, (967), 13 states have internal predecessors, (967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:20,769 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 15:05:20,770 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 99 [2021-12-21 15:05:20,770 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 15:05:21,202 INFO L129 PetriNetUnfolder]: 125/397 cut-off events. [2021-12-21 15:05:21,203 INFO L130 PetriNetUnfolder]: For 149/310 co-relation queries the response was YES. [2021-12-21 15:05:21,204 INFO L84 FinitePrefix]: Finished finitePrefix Result has 909 conditions, 397 events. 125/397 cut-off events. For 149/310 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1620 event pairs, 18 based on Foata normal form. 11/383 useless extension candidates. Maximal degree in co-relation 855. Up to 149 conditions per place. [2021-12-21 15:05:21,206 INFO L132 encePairwiseOnDemand]: 84/99 looper letters, 24 selfloop transitions, 18 changer transitions 22/126 dead transitions. [2021-12-21 15:05:21,206 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 126 transitions, 506 flow [2021-12-21 15:05:21,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-21 15:05:21,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-12-21 15:05:21,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1084 transitions. [2021-12-21 15:05:21,209 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7821067821067821 [2021-12-21 15:05:21,209 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1084 transitions. [2021-12-21 15:05:21,209 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1084 transitions. [2021-12-21 15:05:21,210 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 15:05:21,210 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1084 transitions. [2021-12-21 15:05:21,212 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 77.42857142857143) internal successors, (1084), 14 states have internal predecessors, (1084), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:21,215 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 99.0) internal successors, (1485), 15 states have internal predecessors, (1485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:21,215 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 99.0) internal successors, (1485), 15 states have internal predecessors, (1485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:21,215 INFO L186 Difference]: Start difference. First operand has 108 places, 90 transitions, 247 flow. Second operand 14 states and 1084 transitions. [2021-12-21 15:05:21,215 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 126 transitions, 506 flow [2021-12-21 15:05:21,218 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 126 transitions, 478 flow, removed 7 selfloop flow, removed 8 redundant places. [2021-12-21 15:05:21,219 INFO L242 Difference]: Finished difference. Result has 118 places, 98 transitions, 337 flow [2021-12-21 15:05:21,220 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=227, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=337, PETRI_PLACES=118, PETRI_TRANSITIONS=98} [2021-12-21 15:05:21,220 INFO L334 CegarLoopForPetriNet]: 102 programPoint places, 16 predicate places. [2021-12-21 15:05:21,221 INFO L470 AbstractCegarLoop]: Abstraction has has 118 places, 98 transitions, 337 flow [2021-12-21 15:05:21,221 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 74.38461538461539) internal successors, (967), 13 states have internal predecessors, (967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:21,221 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:05:21,221 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] [2021-12-21 15:05:21,222 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-21 15:05:21,222 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-12-21 15:05:21,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:05:21,222 INFO L85 PathProgramCache]: Analyzing trace with hash -1462261489, now seen corresponding path program 3 times [2021-12-21 15:05:21,223 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:05:21,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170145818] [2021-12-21 15:05:21,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:05:21,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:05:21,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:05:21,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 15:05:21,557 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:05:21,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170145818] [2021-12-21 15:05:21,558 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [170145818] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:05:21,558 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:05:21,558 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-12-21 15:05:21,559 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791855774] [2021-12-21 15:05:21,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:05:21,559 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-12-21 15:05:21,559 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:05:21,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-12-21 15:05:21,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2021-12-21 15:05:21,562 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 99 [2021-12-21 15:05:21,563 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 98 transitions, 337 flow. Second operand has 15 states, 15 states have (on average 68.46666666666667) internal successors, (1027), 15 states have internal predecessors, (1027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:21,563 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 15:05:21,563 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 99 [2021-12-21 15:05:21,563 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 15:05:22,411 INFO L129 PetriNetUnfolder]: 331/855 cut-off events. [2021-12-21 15:05:22,411 INFO L130 PetriNetUnfolder]: For 1477/1641 co-relation queries the response was YES. [2021-12-21 15:05:22,414 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2532 conditions, 855 events. 331/855 cut-off events. For 1477/1641 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 4672 event pairs, 39 based on Foata normal form. 17/844 useless extension candidates. Maximal degree in co-relation 2459. Up to 214 conditions per place. [2021-12-21 15:05:22,418 INFO L132 encePairwiseOnDemand]: 84/99 looper letters, 72 selfloop transitions, 23 changer transitions 50/201 dead transitions. [2021-12-21 15:05:22,418 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 201 transitions, 1209 flow [2021-12-21 15:05:22,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-12-21 15:05:22,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-12-21 15:05:22,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 1597 transitions. [2021-12-21 15:05:22,422 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7332415059687787 [2021-12-21 15:05:22,422 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 1597 transitions. [2021-12-21 15:05:22,422 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 1597 transitions. [2021-12-21 15:05:22,423 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 15:05:22,423 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 1597 transitions. [2021-12-21 15:05:22,426 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 72.5909090909091) internal successors, (1597), 22 states have internal predecessors, (1597), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:22,429 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 99.0) internal successors, (2277), 23 states have internal predecessors, (2277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:22,430 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 99.0) internal successors, (2277), 23 states have internal predecessors, (2277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:22,430 INFO L186 Difference]: Start difference. First operand has 118 places, 98 transitions, 337 flow. Second operand 22 states and 1597 transitions. [2021-12-21 15:05:22,430 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 201 transitions, 1209 flow [2021-12-21 15:05:22,435 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 201 transitions, 1152 flow, removed 21 selfloop flow, removed 8 redundant places. [2021-12-21 15:05:22,438 INFO L242 Difference]: Finished difference. Result has 141 places, 113 transitions, 524 flow [2021-12-21 15:05:22,438 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=311, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=524, PETRI_PLACES=141, PETRI_TRANSITIONS=113} [2021-12-21 15:05:22,439 INFO L334 CegarLoopForPetriNet]: 102 programPoint places, 39 predicate places. [2021-12-21 15:05:22,439 INFO L470 AbstractCegarLoop]: Abstraction has has 141 places, 113 transitions, 524 flow [2021-12-21 15:05:22,439 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 68.46666666666667) internal successors, (1027), 15 states have internal predecessors, (1027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:22,440 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:05:22,440 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] [2021-12-21 15:05:22,440 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-21 15:05:22,440 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-12-21 15:05:22,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:05:22,441 INFO L85 PathProgramCache]: Analyzing trace with hash 1261838563, now seen corresponding path program 4 times [2021-12-21 15:05:22,441 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:05:22,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945486156] [2021-12-21 15:05:22,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:05:22,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:05:22,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:05:22,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 15:05:22,818 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:05:22,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945486156] [2021-12-21 15:05:22,819 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945486156] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:05:22,819 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:05:22,819 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-12-21 15:05:22,819 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205161263] [2021-12-21 15:05:22,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:05:22,819 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-12-21 15:05:22,820 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:05:22,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-12-21 15:05:22,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2021-12-21 15:05:22,823 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 70 out of 99 [2021-12-21 15:05:22,824 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 113 transitions, 524 flow. Second operand has 15 states, 15 states have (on average 71.4) internal successors, (1071), 15 states have internal predecessors, (1071), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:22,824 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 15:05:22,824 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 70 of 99 [2021-12-21 15:05:22,825 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 15:05:23,298 INFO L129 PetriNetUnfolder]: 163/507 cut-off events. [2021-12-21 15:05:23,299 INFO L130 PetriNetUnfolder]: For 3147/4126 co-relation queries the response was YES. [2021-12-21 15:05:23,301 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2153 conditions, 507 events. 163/507 cut-off events. For 3147/4126 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 2419 event pairs, 22 based on Foata normal form. 56/536 useless extension candidates. Maximal degree in co-relation 2064. Up to 207 conditions per place. [2021-12-21 15:05:23,304 INFO L132 encePairwiseOnDemand]: 84/99 looper letters, 34 selfloop transitions, 25 changer transitions 22/145 dead transitions. [2021-12-21 15:05:23,304 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 145 transitions, 1066 flow [2021-12-21 15:05:23,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-21 15:05:23,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-12-21 15:05:23,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1184 transitions. [2021-12-21 15:05:23,307 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7474747474747475 [2021-12-21 15:05:23,307 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 1184 transitions. [2021-12-21 15:05:23,307 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 1184 transitions. [2021-12-21 15:05:23,308 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 15:05:23,308 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 1184 transitions. [2021-12-21 15:05:23,311 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 74.0) internal successors, (1184), 16 states have internal predecessors, (1184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:23,313 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 99.0) internal successors, (1683), 17 states have internal predecessors, (1683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:23,315 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 99.0) internal successors, (1683), 17 states have internal predecessors, (1683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:23,315 INFO L186 Difference]: Start difference. First operand has 141 places, 113 transitions, 524 flow. Second operand 16 states and 1184 transitions. [2021-12-21 15:05:23,315 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 145 transitions, 1066 flow [2021-12-21 15:05:23,321 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 145 transitions, 984 flow, removed 38 selfloop flow, removed 9 redundant places. [2021-12-21 15:05:23,324 INFO L242 Difference]: Finished difference. Result has 142 places, 116 transitions, 624 flow [2021-12-21 15:05:23,324 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=500, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=624, PETRI_PLACES=142, PETRI_TRANSITIONS=116} [2021-12-21 15:05:23,325 INFO L334 CegarLoopForPetriNet]: 102 programPoint places, 40 predicate places. [2021-12-21 15:05:23,325 INFO L470 AbstractCegarLoop]: Abstraction has has 142 places, 116 transitions, 624 flow [2021-12-21 15:05:23,326 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 71.4) internal successors, (1071), 15 states have internal predecessors, (1071), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:23,326 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:05:23,326 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] [2021-12-21 15:05:23,326 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-21 15:05:23,327 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-12-21 15:05:23,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:05:23,327 INFO L85 PathProgramCache]: Analyzing trace with hash -674894037, now seen corresponding path program 5 times [2021-12-21 15:05:23,327 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:05:23,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518844251] [2021-12-21 15:05:23,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:05:23,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:05:23,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:05:23,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 15:05:23,579 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:05:23,579 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518844251] [2021-12-21 15:05:23,579 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518844251] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:05:23,580 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:05:23,580 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-21 15:05:23,580 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095804213] [2021-12-21 15:05:23,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:05:23,580 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-21 15:05:23,581 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:05:23,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-21 15:05:23,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-12-21 15:05:23,582 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 99 [2021-12-21 15:05:23,583 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 116 transitions, 624 flow. Second operand has 10 states, 10 states have (on average 73.9) internal successors, (739), 10 states have internal predecessors, (739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:23,583 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 15:05:23,583 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 99 [2021-12-21 15:05:23,583 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 15:05:24,112 INFO L129 PetriNetUnfolder]: 171/551 cut-off events. [2021-12-21 15:05:24,113 INFO L130 PetriNetUnfolder]: For 4537/5342 co-relation queries the response was YES. [2021-12-21 15:05:24,115 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2506 conditions, 551 events. 171/551 cut-off events. For 4537/5342 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 2728 event pairs, 37 based on Foata normal form. 47/565 useless extension candidates. Maximal degree in co-relation 2415. Up to 170 conditions per place. [2021-12-21 15:05:24,118 INFO L132 encePairwiseOnDemand]: 87/99 looper letters, 37 selfloop transitions, 25 changer transitions 23/151 dead transitions. [2021-12-21 15:05:24,118 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 151 transitions, 1227 flow [2021-12-21 15:05:24,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-21 15:05:24,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-12-21 15:05:24,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1138 transitions. [2021-12-21 15:05:24,122 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7663299663299663 [2021-12-21 15:05:24,122 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1138 transitions. [2021-12-21 15:05:24,122 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1138 transitions. [2021-12-21 15:05:24,123 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 15:05:24,123 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1138 transitions. [2021-12-21 15:05:24,125 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 75.86666666666666) internal successors, (1138), 15 states have internal predecessors, (1138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:24,127 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 99.0) internal successors, (1584), 16 states have internal predecessors, (1584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:24,128 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 99.0) internal successors, (1584), 16 states have internal predecessors, (1584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:24,128 INFO L186 Difference]: Start difference. First operand has 142 places, 116 transitions, 624 flow. Second operand 15 states and 1138 transitions. [2021-12-21 15:05:24,128 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 151 transitions, 1227 flow [2021-12-21 15:05:24,137 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 151 transitions, 1133 flow, removed 22 selfloop flow, removed 11 redundant places. [2021-12-21 15:05:24,139 INFO L242 Difference]: Finished difference. Result has 146 places, 120 transitions, 708 flow [2021-12-21 15:05:24,140 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=550, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=708, PETRI_PLACES=146, PETRI_TRANSITIONS=120} [2021-12-21 15:05:24,140 INFO L334 CegarLoopForPetriNet]: 102 programPoint places, 44 predicate places. [2021-12-21 15:05:24,140 INFO L470 AbstractCegarLoop]: Abstraction has has 146 places, 120 transitions, 708 flow [2021-12-21 15:05:24,141 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 73.9) internal successors, (739), 10 states have internal predecessors, (739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:24,141 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:05:24,141 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] [2021-12-21 15:05:24,141 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-21 15:05:24,142 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-12-21 15:05:24,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:05:24,142 INFO L85 PathProgramCache]: Analyzing trace with hash 1861943277, now seen corresponding path program 1 times [2021-12-21 15:05:24,142 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:05:24,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976802241] [2021-12-21 15:05:24,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:05:24,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:05:24,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:05:24,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 15:05:24,350 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:05:24,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976802241] [2021-12-21 15:05:24,350 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976802241] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:05:24,350 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:05:24,350 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-21 15:05:24,351 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976325098] [2021-12-21 15:05:24,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:05:24,351 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-21 15:05:24,351 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:05:24,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-21 15:05:24,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-12-21 15:05:24,353 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 99 [2021-12-21 15:05:24,354 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 120 transitions, 708 flow. Second operand has 10 states, 10 states have (on average 70.2) internal successors, (702), 10 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:24,354 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 15:05:24,354 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 99 [2021-12-21 15:05:24,354 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 15:05:25,054 INFO L129 PetriNetUnfolder]: 332/867 cut-off events. [2021-12-21 15:05:25,054 INFO L130 PetriNetUnfolder]: For 6733/7103 co-relation queries the response was YES. [2021-12-21 15:05:25,059 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3926 conditions, 867 events. 332/867 cut-off events. For 6733/7103 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 5160 event pairs, 21 based on Foata normal form. 49/899 useless extension candidates. Maximal degree in co-relation 3831. Up to 213 conditions per place. [2021-12-21 15:05:25,063 INFO L132 encePairwiseOnDemand]: 84/99 looper letters, 61 selfloop transitions, 31 changer transitions 55/204 dead transitions. [2021-12-21 15:05:25,063 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 158 places, 204 transitions, 1884 flow [2021-12-21 15:05:25,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-12-21 15:05:25,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-12-21 15:05:25,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 1407 transitions. [2021-12-21 15:05:25,068 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.748006379585327 [2021-12-21 15:05:25,068 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 1407 transitions. [2021-12-21 15:05:25,068 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 1407 transitions. [2021-12-21 15:05:25,070 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 15:05:25,070 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 1407 transitions. [2021-12-21 15:05:25,074 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 74.05263157894737) internal successors, (1407), 19 states have internal predecessors, (1407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:25,079 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 99.0) internal successors, (1980), 20 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:25,079 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 99.0) internal successors, (1980), 20 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:25,079 INFO L186 Difference]: Start difference. First operand has 146 places, 120 transitions, 708 flow. Second operand 19 states and 1407 transitions. [2021-12-21 15:05:25,080 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 158 places, 204 transitions, 1884 flow [2021-12-21 15:05:25,091 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 204 transitions, 1666 flow, removed 99 selfloop flow, removed 16 redundant places. [2021-12-21 15:05:25,095 INFO L242 Difference]: Finished difference. Result has 157 places, 129 transitions, 908 flow [2021-12-21 15:05:25,095 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=642, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=908, PETRI_PLACES=157, PETRI_TRANSITIONS=129} [2021-12-21 15:05:25,096 INFO L334 CegarLoopForPetriNet]: 102 programPoint places, 55 predicate places. [2021-12-21 15:05:25,096 INFO L470 AbstractCegarLoop]: Abstraction has has 157 places, 129 transitions, 908 flow [2021-12-21 15:05:25,097 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 70.2) internal successors, (702), 10 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:25,097 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:05:25,097 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] [2021-12-21 15:05:25,097 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-21 15:05:25,097 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-12-21 15:05:25,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:05:25,098 INFO L85 PathProgramCache]: Analyzing trace with hash 1174669358, now seen corresponding path program 1 times [2021-12-21 15:05:25,098 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:05:25,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445159745] [2021-12-21 15:05:25,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:05:25,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:05:25,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:05:25,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 15:05:25,382 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:05:25,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445159745] [2021-12-21 15:05:25,382 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1445159745] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:05:25,382 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:05:25,382 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-12-21 15:05:25,383 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32117663] [2021-12-21 15:05:25,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:05:25,383 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-21 15:05:25,383 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:05:25,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-21 15:05:25,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2021-12-21 15:05:25,385 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 70 out of 99 [2021-12-21 15:05:25,386 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 157 places, 129 transitions, 908 flow. Second operand has 14 states, 14 states have (on average 71.64285714285714) internal successors, (1003), 14 states have internal predecessors, (1003), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:25,386 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 15:05:25,386 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 70 of 99 [2021-12-21 15:05:25,386 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 15:05:25,853 INFO L129 PetriNetUnfolder]: 174/614 cut-off events. [2021-12-21 15:05:25,854 INFO L130 PetriNetUnfolder]: For 7226/9658 co-relation queries the response was YES. [2021-12-21 15:05:25,858 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3368 conditions, 614 events. 174/614 cut-off events. For 7226/9658 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 3464 event pairs, 20 based on Foata normal form. 70/631 useless extension candidates. Maximal degree in co-relation 3269. Up to 183 conditions per place. [2021-12-21 15:05:25,861 INFO L132 encePairwiseOnDemand]: 83/99 looper letters, 45 selfloop transitions, 21 changer transitions 37/167 dead transitions. [2021-12-21 15:05:25,862 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 158 places, 167 transitions, 1688 flow [2021-12-21 15:05:25,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-21 15:05:25,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-12-21 15:05:25,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1042 transitions. [2021-12-21 15:05:25,864 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7518037518037518 [2021-12-21 15:05:25,865 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1042 transitions. [2021-12-21 15:05:25,865 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1042 transitions. [2021-12-21 15:05:25,865 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 15:05:25,865 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1042 transitions. [2021-12-21 15:05:25,869 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 74.42857142857143) internal successors, (1042), 14 states have internal predecessors, (1042), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:25,871 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 99.0) internal successors, (1485), 15 states have internal predecessors, (1485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:25,871 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 99.0) internal successors, (1485), 15 states have internal predecessors, (1485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:25,871 INFO L186 Difference]: Start difference. First operand has 157 places, 129 transitions, 908 flow. Second operand 14 states and 1042 transitions. [2021-12-21 15:05:25,872 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 158 places, 167 transitions, 1688 flow [2021-12-21 15:05:25,889 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 146 places, 167 transitions, 1509 flow, removed 80 selfloop flow, removed 12 redundant places. [2021-12-21 15:05:25,891 INFO L242 Difference]: Finished difference. Result has 152 places, 126 transitions, 859 flow [2021-12-21 15:05:25,892 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=833, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=859, PETRI_PLACES=152, PETRI_TRANSITIONS=126} [2021-12-21 15:05:25,893 INFO L334 CegarLoopForPetriNet]: 102 programPoint places, 50 predicate places. [2021-12-21 15:05:25,893 INFO L470 AbstractCegarLoop]: Abstraction has has 152 places, 126 transitions, 859 flow [2021-12-21 15:05:25,894 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 71.64285714285714) internal successors, (1003), 14 states have internal predecessors, (1003), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:25,894 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:05:25,894 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] [2021-12-21 15:05:25,895 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-21 15:05:25,895 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-12-21 15:05:25,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:05:25,895 INFO L85 PathProgramCache]: Analyzing trace with hash 1462042666, now seen corresponding path program 2 times [2021-12-21 15:05:25,895 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:05:25,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380753577] [2021-12-21 15:05:25,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:05:25,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:05:25,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:05:26,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 15:05:26,124 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:05:26,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380753577] [2021-12-21 15:05:26,125 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380753577] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:05:26,125 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:05:26,125 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-12-21 15:05:26,125 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909690120] [2021-12-21 15:05:26,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:05:26,125 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-21 15:05:26,125 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:05:26,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-21 15:05:26,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2021-12-21 15:05:26,127 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 69 out of 99 [2021-12-21 15:05:26,128 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 126 transitions, 859 flow. Second operand has 12 states, 12 states have (on average 70.83333333333333) internal successors, (850), 12 states have internal predecessors, (850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:26,128 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 15:05:26,128 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 69 of 99 [2021-12-21 15:05:26,128 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 15:05:26,642 INFO L129 PetriNetUnfolder]: 342/951 cut-off events. [2021-12-21 15:05:26,642 INFO L130 PetriNetUnfolder]: For 8745/9272 co-relation queries the response was YES. [2021-12-21 15:05:26,648 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4735 conditions, 951 events. 342/951 cut-off events. For 8745/9272 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 6349 event pairs, 22 based on Foata normal form. 84/1022 useless extension candidates. Maximal degree in co-relation 4638. Up to 196 conditions per place. [2021-12-21 15:05:26,652 INFO L132 encePairwiseOnDemand]: 85/99 looper letters, 58 selfloop transitions, 21 changer transitions 71/209 dead transitions. [2021-12-21 15:05:26,653 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 209 transitions, 2146 flow [2021-12-21 15:05:26,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-21 15:05:26,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-12-21 15:05:26,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1140 transitions. [2021-12-21 15:05:26,655 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7676767676767676 [2021-12-21 15:05:26,655 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1140 transitions. [2021-12-21 15:05:26,655 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1140 transitions. [2021-12-21 15:05:26,656 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 15:05:26,656 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1140 transitions. [2021-12-21 15:05:26,658 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 76.0) internal successors, (1140), 15 states have internal predecessors, (1140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:26,660 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 99.0) internal successors, (1584), 16 states have internal predecessors, (1584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:26,660 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 99.0) internal successors, (1584), 16 states have internal predecessors, (1584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:26,660 INFO L186 Difference]: Start difference. First operand has 152 places, 126 transitions, 859 flow. Second operand 15 states and 1140 transitions. [2021-12-21 15:05:26,661 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 209 transitions, 2146 flow [2021-12-21 15:05:26,678 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 209 transitions, 2011 flow, removed 56 selfloop flow, removed 13 redundant places. [2021-12-21 15:05:26,680 INFO L242 Difference]: Finished difference. Result has 157 places, 121 transitions, 819 flow [2021-12-21 15:05:26,681 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=816, PETRI_DIFFERENCE_MINUEND_PLACES=134, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=105, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=819, PETRI_PLACES=157, PETRI_TRANSITIONS=121} [2021-12-21 15:05:26,681 INFO L334 CegarLoopForPetriNet]: 102 programPoint places, 55 predicate places. [2021-12-21 15:05:26,681 INFO L470 AbstractCegarLoop]: Abstraction has has 157 places, 121 transitions, 819 flow [2021-12-21 15:05:26,682 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 70.83333333333333) internal successors, (850), 12 states have internal predecessors, (850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:26,682 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:05:26,682 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] [2021-12-21 15:05:26,682 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-21 15:05:26,683 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-12-21 15:05:26,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:05:26,683 INFO L85 PathProgramCache]: Analyzing trace with hash 508534092, now seen corresponding path program 3 times [2021-12-21 15:05:26,683 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:05:26,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369941755] [2021-12-21 15:05:26,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:05:26,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:05:26,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:05:27,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 15:05:27,058 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:05:27,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369941755] [2021-12-21 15:05:27,058 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369941755] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:05:27,058 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:05:27,058 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-12-21 15:05:27,058 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126776259] [2021-12-21 15:05:27,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:05:27,059 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-12-21 15:05:27,059 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:05:27,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-12-21 15:05:27,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2021-12-21 15:05:27,061 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 99 [2021-12-21 15:05:27,062 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 157 places, 121 transitions, 819 flow. Second operand has 16 states, 16 states have (on average 68.625) internal successors, (1098), 16 states have internal predecessors, (1098), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:27,062 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 15:05:27,062 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 99 [2021-12-21 15:05:27,063 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 15:05:27,509 INFO L129 PetriNetUnfolder]: 118/495 cut-off events. [2021-12-21 15:05:27,509 INFO L130 PetriNetUnfolder]: For 4532/5821 co-relation queries the response was YES. [2021-12-21 15:05:27,513 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2511 conditions, 495 events. 118/495 cut-off events. For 4532/5821 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 2821 event pairs, 10 based on Foata normal form. 38/507 useless extension candidates. Maximal degree in co-relation 2408. Up to 121 conditions per place. [2021-12-21 15:05:27,515 INFO L132 encePairwiseOnDemand]: 83/99 looper letters, 44 selfloop transitions, 15 changer transitions 36/154 dead transitions. [2021-12-21 15:05:27,515 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 154 transitions, 1470 flow [2021-12-21 15:05:27,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-21 15:05:27,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-12-21 15:05:27,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 996 transitions. [2021-12-21 15:05:27,520 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7186147186147186 [2021-12-21 15:05:27,520 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 996 transitions. [2021-12-21 15:05:27,520 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 996 transitions. [2021-12-21 15:05:27,520 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 15:05:27,520 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 996 transitions. [2021-12-21 15:05:27,522 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 71.14285714285714) internal successors, (996), 14 states have internal predecessors, (996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:27,524 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 99.0) internal successors, (1485), 15 states have internal predecessors, (1485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:27,525 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 99.0) internal successors, (1485), 15 states have internal predecessors, (1485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:27,525 INFO L186 Difference]: Start difference. First operand has 157 places, 121 transitions, 819 flow. Second operand 14 states and 996 transitions. [2021-12-21 15:05:27,525 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 154 transitions, 1470 flow [2021-12-21 15:05:27,536 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 150 places, 154 transitions, 1415 flow, removed 20 selfloop flow, removed 11 redundant places. [2021-12-21 15:05:27,538 INFO L242 Difference]: Finished difference. Result has 155 places, 111 transitions, 702 flow [2021-12-21 15:05:27,538 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=778, PETRI_DIFFERENCE_MINUEND_PLACES=137, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=121, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=702, PETRI_PLACES=155, PETRI_TRANSITIONS=111} [2021-12-21 15:05:27,539 INFO L334 CegarLoopForPetriNet]: 102 programPoint places, 53 predicate places. [2021-12-21 15:05:27,539 INFO L470 AbstractCegarLoop]: Abstraction has has 155 places, 111 transitions, 702 flow [2021-12-21 15:05:27,540 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 68.625) internal successors, (1098), 16 states have internal predecessors, (1098), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:27,540 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:05:27,540 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] [2021-12-21 15:05:27,540 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-21 15:05:27,540 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-12-21 15:05:27,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:05:27,540 INFO L85 PathProgramCache]: Analyzing trace with hash -40556916, now seen corresponding path program 4 times [2021-12-21 15:05:27,541 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:05:27,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277144319] [2021-12-21 15:05:27,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:05:27,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:05:27,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:05:27,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 15:05:27,991 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:05:27,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277144319] [2021-12-21 15:05:27,991 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277144319] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:05:27,991 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:05:27,991 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-12-21 15:05:27,991 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943432767] [2021-12-21 15:05:27,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:05:27,992 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-21 15:05:27,992 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:05:27,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-21 15:05:27,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2021-12-21 15:05:27,993 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 99 [2021-12-21 15:05:27,995 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 111 transitions, 702 flow. Second operand has 18 states, 18 states have (on average 69.38888888888889) internal successors, (1249), 18 states have internal predecessors, (1249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:27,995 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 15:05:27,995 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 99 [2021-12-21 15:05:27,995 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 15:05:28,432 INFO L129 PetriNetUnfolder]: 96/438 cut-off events. [2021-12-21 15:05:28,432 INFO L130 PetriNetUnfolder]: For 3938/4643 co-relation queries the response was YES. [2021-12-21 15:05:28,435 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2193 conditions, 438 events. 96/438 cut-off events. For 3938/4643 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 2456 event pairs, 19 based on Foata normal form. 29/445 useless extension candidates. Maximal degree in co-relation 2103. Up to 91 conditions per place. [2021-12-21 15:05:28,437 INFO L132 encePairwiseOnDemand]: 85/99 looper letters, 28 selfloop transitions, 8 changer transitions 43/139 dead transitions. [2021-12-21 15:05:28,437 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 139 transitions, 1299 flow [2021-12-21 15:05:28,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-21 15:05:28,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-12-21 15:05:28,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1074 transitions. [2021-12-21 15:05:28,440 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7232323232323232 [2021-12-21 15:05:28,440 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1074 transitions. [2021-12-21 15:05:28,440 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1074 transitions. [2021-12-21 15:05:28,440 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 15:05:28,440 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1074 transitions. [2021-12-21 15:05:28,443 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 71.6) internal successors, (1074), 15 states have internal predecessors, (1074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:28,445 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 99.0) internal successors, (1584), 16 states have internal predecessors, (1584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:28,445 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 99.0) internal successors, (1584), 16 states have internal predecessors, (1584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:28,445 INFO L186 Difference]: Start difference. First operand has 155 places, 111 transitions, 702 flow. Second operand 15 states and 1074 transitions. [2021-12-21 15:05:28,445 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 139 transitions, 1299 flow [2021-12-21 15:05:28,456 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 139 transitions, 1242 flow, removed 13 selfloop flow, removed 14 redundant places. [2021-12-21 15:05:28,458 INFO L242 Difference]: Finished difference. Result has 156 places, 95 transitions, 498 flow [2021-12-21 15:05:28,458 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=659, PETRI_DIFFERENCE_MINUEND_PLACES=137, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=103, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=498, PETRI_PLACES=156, PETRI_TRANSITIONS=95} [2021-12-21 15:05:28,458 INFO L334 CegarLoopForPetriNet]: 102 programPoint places, 54 predicate places. [2021-12-21 15:05:28,459 INFO L470 AbstractCegarLoop]: Abstraction has has 156 places, 95 transitions, 498 flow [2021-12-21 15:05:28,459 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 69.38888888888889) internal successors, (1249), 18 states have internal predecessors, (1249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:28,460 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:05:28,460 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] [2021-12-21 15:05:28,460 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-21 15:05:28,460 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-12-21 15:05:28,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:05:28,461 INFO L85 PathProgramCache]: Analyzing trace with hash 2025632234, now seen corresponding path program 5 times [2021-12-21 15:05:28,461 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:05:28,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458491924] [2021-12-21 15:05:28,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:05:28,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:05:28,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:05:28,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 15:05:28,771 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:05:28,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458491924] [2021-12-21 15:05:28,771 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1458491924] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:05:28,771 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:05:28,771 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-12-21 15:05:28,771 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768161217] [2021-12-21 15:05:28,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:05:28,772 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-21 15:05:28,772 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:05:28,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-21 15:05:28,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-12-21 15:05:28,773 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 69 out of 99 [2021-12-21 15:05:28,774 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 95 transitions, 498 flow. Second operand has 12 states, 12 states have (on average 71.0) internal successors, (852), 12 states have internal predecessors, (852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:28,774 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 15:05:28,774 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 69 of 99 [2021-12-21 15:05:28,774 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 15:05:29,013 INFO L129 PetriNetUnfolder]: 42/225 cut-off events. [2021-12-21 15:05:29,013 INFO L130 PetriNetUnfolder]: For 1559/1639 co-relation queries the response was YES. [2021-12-21 15:05:29,014 INFO L84 FinitePrefix]: Finished finitePrefix Result has 981 conditions, 225 events. 42/225 cut-off events. For 1559/1639 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 885 event pairs, 2 based on Foata normal form. 9/227 useless extension candidates. Maximal degree in co-relation 946. Up to 45 conditions per place. [2021-12-21 15:05:29,014 INFO L132 encePairwiseOnDemand]: 90/99 looper letters, 0 selfloop transitions, 0 changer transitions 104/104 dead transitions. [2021-12-21 15:05:29,014 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 104 transitions, 764 flow [2021-12-21 15:05:29,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-21 15:05:29,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-12-21 15:05:29,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 726 transitions. [2021-12-21 15:05:29,015 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7333333333333333 [2021-12-21 15:05:29,016 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 726 transitions. [2021-12-21 15:05:29,016 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 726 transitions. [2021-12-21 15:05:29,016 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 15:05:29,016 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 726 transitions. [2021-12-21 15:05:29,017 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 72.6) internal successors, (726), 10 states have internal predecessors, (726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:29,018 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 99.0) internal successors, (1089), 11 states have internal predecessors, (1089), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:29,018 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 99.0) internal successors, (1089), 11 states have internal predecessors, (1089), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:29,019 INFO L186 Difference]: Start difference. First operand has 156 places, 95 transitions, 498 flow. Second operand 10 states and 726 transitions. [2021-12-21 15:05:29,019 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 148 places, 104 transitions, 764 flow [2021-12-21 15:05:29,024 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 104 transitions, 622 flow, removed 53 selfloop flow, removed 25 redundant places. [2021-12-21 15:05:29,025 INFO L242 Difference]: Finished difference. Result has 123 places, 0 transitions, 0 flow [2021-12-21 15:05:29,025 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=391, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=0, PETRI_PLACES=123, PETRI_TRANSITIONS=0} [2021-12-21 15:05:29,025 INFO L334 CegarLoopForPetriNet]: 102 programPoint places, 21 predicate places. [2021-12-21 15:05:29,026 INFO L470 AbstractCegarLoop]: Abstraction has has 123 places, 0 transitions, 0 flow [2021-12-21 15:05:29,026 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 71.0) internal successors, (852), 12 states have internal predecessors, (852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:29,028 INFO L764 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2021-12-21 15:05:29,029 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2021-12-21 15:05:29,029 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 5 remaining) [2021-12-21 15:05:29,029 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 5 remaining) [2021-12-21 15:05:29,029 INFO L764 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2021-12-21 15:05:29,029 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-21 15:05:29,032 INFO L732 BasicCegarLoop]: Path program histogram: [5, 5, 1, 1, 1, 1] [2021-12-21 15:05:29,036 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-12-21 15:05:29,036 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-21 15:05:29,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 03:05:29 BasicIcfg [2021-12-21 15:05:29,039 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-21 15:05:29,039 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-21 15:05:29,039 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-21 15:05:29,039 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-21 15:05:29,040 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 03:05:17" (3/4) ... [2021-12-21 15:05:29,042 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-21 15:05:29,045 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2021-12-21 15:05:29,046 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2021-12-21 15:05:29,052 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 116 nodes and edges [2021-12-21 15:05:29,052 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2021-12-21 15:05:29,053 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-12-21 15:05:29,053 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-21 15:05:29,096 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-21 15:05:29,097 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-21 15:05:29,097 INFO L158 Benchmark]: Toolchain (without parser) took 13169.38ms. Allocated memory was 104.9MB in the beginning and 335.5MB in the end (delta: 230.7MB). Free memory was 75.4MB in the beginning and 102.1MB in the end (delta: -26.7MB). Peak memory consumption was 203.7MB. Max. memory is 16.1GB. [2021-12-21 15:05:29,097 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 104.9MB. Free memory was 62.3MB in the beginning and 62.3MB in the end (delta: 48.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 15:05:29,098 INFO L158 Benchmark]: CACSL2BoogieTranslator took 491.42ms. Allocated memory was 104.9MB in the beginning and 134.2MB in the end (delta: 29.4MB). Free memory was 75.1MB in the beginning and 93.7MB in the end (delta: -18.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-21 15:05:29,098 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.76ms. Allocated memory is still 134.2MB. Free memory was 93.7MB in the beginning and 90.1MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-21 15:05:29,098 INFO L158 Benchmark]: Boogie Preprocessor took 58.13ms. Allocated memory is still 134.2MB. Free memory was 90.1MB in the beginning and 87.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 15:05:29,099 INFO L158 Benchmark]: RCFGBuilder took 1232.67ms. Allocated memory is still 134.2MB. Free memory was 87.5MB in the beginning and 100.7MB in the end (delta: -13.3MB). Peak memory consumption was 50.7MB. Max. memory is 16.1GB. [2021-12-21 15:05:29,099 INFO L158 Benchmark]: TraceAbstraction took 11257.89ms. Allocated memory was 134.2MB in the beginning and 335.5MB in the end (delta: 201.3MB). Free memory was 99.8MB in the beginning and 110.5MB in the end (delta: -10.7MB). Peak memory consumption was 190.5MB. Max. memory is 16.1GB. [2021-12-21 15:05:29,099 INFO L158 Benchmark]: Witness Printer took 57.42ms. Allocated memory is still 335.5MB. Free memory was 110.5MB in the beginning and 102.1MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-21 15:05:29,101 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 104.9MB. Free memory was 62.3MB in the beginning and 62.3MB in the end (delta: 48.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 491.42ms. Allocated memory was 104.9MB in the beginning and 134.2MB in the end (delta: 29.4MB). Free memory was 75.1MB in the beginning and 93.7MB in the end (delta: -18.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.76ms. Allocated memory is still 134.2MB. Free memory was 93.7MB in the beginning and 90.1MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.13ms. Allocated memory is still 134.2MB. Free memory was 90.1MB in the beginning and 87.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1232.67ms. Allocated memory is still 134.2MB. Free memory was 87.5MB in the beginning and 100.7MB in the end (delta: -13.3MB). Peak memory consumption was 50.7MB. Max. memory is 16.1GB. * TraceAbstraction took 11257.89ms. Allocated memory was 134.2MB in the beginning and 335.5MB in the end (delta: 201.3MB). Free memory was 99.8MB in the beginning and 110.5MB in the end (delta: -10.7MB). Peak memory consumption was 190.5MB. Max. memory is 16.1GB. * Witness Printer took 57.42ms. Allocated memory is still 335.5MB. Free memory was 110.5MB in the beginning and 102.1MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: 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 5 procedures, 120 locations, 5 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: 11.1s, OverallIterations: 14, TraceHistogramMax: 1, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 6.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 718 SdHoareTripleChecker+Valid, 3.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 718 mSDsluCounter, 992 SdHoareTripleChecker+Invalid, 2.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1284 mSDsCounter, 503 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2921 IncrementalHoareTripleChecker+Invalid, 3424 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 503 mSolverCounterUnsat, 150 mSDtfsCounter, 2921 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 263 GetRequests, 31 SyntacticMatches, 1 SemanticMatches, 231 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 879 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=908occurred in iteration=9, InterpolantAutomatonStates: 188, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 998 NumberOfCodeBlocks, 998 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 984 ConstructedInterpolants, 0 QuantifiedInterpolants, 8249 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 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! [2021-12-21 15:05:29,145 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE