./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/mix021_power.oepc_pso.oepc_rmo.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b 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/mix021_power.oepc_pso.oepc_rmo.oepc.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 8943650a21e052edc6a6af145da55799620df509a78c8e503eca6167eaa2f8fc --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 16:33:23,522 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 16:33:23,548 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 16:33:23,589 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 16:33:23,589 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 16:33:23,592 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 16:33:23,593 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 16:33:23,596 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 16:33:23,597 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 16:33:23,602 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 16:33:23,602 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 16:33:23,603 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 16:33:23,603 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 16:33:23,604 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 16:33:23,604 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 16:33:23,605 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 16:33:23,606 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 16:33:23,606 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 16:33:23,607 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 16:33:23,608 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 16:33:23,609 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 16:33:23,613 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 16:33:23,616 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 16:33:23,617 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 16:33:23,624 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 16:33:23,624 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 16:33:23,624 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 16:33:23,625 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 16:33:23,626 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 16:33:23,626 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 16:33:23,627 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 16:33:23,627 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 16:33:23,629 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 16:33:23,629 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 16:33:23,630 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 16:33:23,630 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 16:33:23,631 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 16:33:23,631 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 16:33:23,631 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 16:33:23,632 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 16:33:23,632 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 16:33:23,633 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-14 16:33:23,661 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 16:33:23,661 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 16:33:23,661 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 16:33:23,662 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 16:33:23,662 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 16:33:23,662 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 16:33:23,663 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 16:33:23,663 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 16:33:23,663 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 16:33:23,663 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 16:33:23,664 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-14 16:33:23,664 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 16:33:23,664 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-14 16:33:23,665 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 16:33:23,665 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 16:33:23,665 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 16:33:23,665 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 16:33:23,665 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-14 16:33:23,665 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 16:33:23,666 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 16:33:23,666 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 16:33:23,666 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 16:33:23,666 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 16:33:23,666 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 16:33:23,666 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 16:33:23,667 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 16:33:23,667 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 16:33:23,667 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 16:33:23,667 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 16:33:23,667 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 16:33:23,667 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 16:33:23,667 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 16:33:23,668 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 16:33:23,668 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 16:33:23,668 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8943650a21e052edc6a6af145da55799620df509a78c8e503eca6167eaa2f8fc [2021-12-14 16:33:23,858 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 16:33:23,878 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 16:33:23,880 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 16:33:23,881 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 16:33:23,882 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 16:33:23,883 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix021_power.oepc_pso.oepc_rmo.oepc.i [2021-12-14 16:33:23,932 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe0fd1dfe/a6f7804182994ad6936c39c351c78244/FLAG702468501 [2021-12-14 16:33:24,378 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 16:33:24,378 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix021_power.oepc_pso.oepc_rmo.oepc.i [2021-12-14 16:33:24,387 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe0fd1dfe/a6f7804182994ad6936c39c351c78244/FLAG702468501 [2021-12-14 16:33:24,395 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe0fd1dfe/a6f7804182994ad6936c39c351c78244 [2021-12-14 16:33:24,397 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 16:33:24,398 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 16:33:24,399 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 16:33:24,399 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 16:33:24,401 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 16:33:24,402 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:33:24" (1/1) ... [2021-12-14 16:33:24,403 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78f7faee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:33:24, skipping insertion in model container [2021-12-14 16:33:24,403 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:33:24" (1/1) ... [2021-12-14 16:33:24,407 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 16:33:24,436 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 16:33:24,580 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/mix021_power.oepc_pso.oepc_rmo.oepc.i[969,982] [2021-12-14 16:33:24,713 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 16:33:24,723 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 16:33:24,735 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/mix021_power.oepc_pso.oepc_rmo.oepc.i[969,982] [2021-12-14 16:33:24,788 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 16:33:24,820 INFO L208 MainTranslator]: Completed translation [2021-12-14 16:33:24,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:33:24 WrapperNode [2021-12-14 16:33:24,821 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 16:33:24,822 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 16:33:24,822 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 16:33:24,822 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 16:33:24,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:33:24" (1/1) ... [2021-12-14 16:33:24,846 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:33:24" (1/1) ... [2021-12-14 16:33:24,874 INFO L137 Inliner]: procedures = 177, calls = 69, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 192 [2021-12-14 16:33:24,875 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 16:33:24,875 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 16:33:24,875 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 16:33:24,875 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 16:33:24,882 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:33:24" (1/1) ... [2021-12-14 16:33:24,882 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:33:24" (1/1) ... [2021-12-14 16:33:24,885 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:33:24" (1/1) ... [2021-12-14 16:33:24,886 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:33:24" (1/1) ... [2021-12-14 16:33:24,901 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:33:24" (1/1) ... [2021-12-14 16:33:24,904 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:33:24" (1/1) ... [2021-12-14 16:33:24,906 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:33:24" (1/1) ... [2021-12-14 16:33:24,909 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 16:33:24,910 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 16:33:24,910 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 16:33:24,910 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 16:33:24,911 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:33:24" (1/1) ... [2021-12-14 16:33:24,926 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 16:33:24,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 16:33:24,951 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) [2021-12-14 16:33:24,953 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 [2021-12-14 16:33:24,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 16:33:24,987 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-14 16:33:24,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 16:33:24,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 16:33:24,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 16:33:24,988 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-12-14 16:33:24,988 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-12-14 16:33:24,988 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-12-14 16:33:24,988 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-12-14 16:33:24,989 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-12-14 16:33:24,989 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-12-14 16:33:24,989 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-12-14 16:33:24,989 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-12-14 16:33:24,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 16:33:24,990 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-14 16:33:24,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 16:33:24,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 16:33:24,992 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-14 16:33:25,164 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 16:33:25,166 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 16:33:25,708 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 16:33:25,932 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 16:33:25,933 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-14 16:33:25,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:33:25 BoogieIcfgContainer [2021-12-14 16:33:25,935 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 16:33:25,936 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 16:33:25,936 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 16:33:25,939 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 16:33:25,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 04:33:24" (1/3) ... [2021-12-14 16:33:25,940 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@177a1527 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:33:25, skipping insertion in model container [2021-12-14 16:33:25,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:33:24" (2/3) ... [2021-12-14 16:33:25,940 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@177a1527 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:33:25, skipping insertion in model container [2021-12-14 16:33:25,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:33:25" (3/3) ... [2021-12-14 16:33:25,941 INFO L111 eAbstractionObserver]: Analyzing ICFG mix021_power.oepc_pso.oepc_rmo.oepc.i [2021-12-14 16:33:25,946 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-14 16:33:25,946 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 16:33:25,946 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-12-14 16:33:25,946 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-14 16:33:25,999 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:25,999 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,000 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,000 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,000 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,001 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,001 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,002 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,002 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,002 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,002 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,002 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,003 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,003 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,003 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,003 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,004 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,004 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,004 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,005 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,005 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,005 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,006 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,006 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,007 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,007 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,007 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,007 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,007 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,007 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,008 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,008 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,008 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,008 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,009 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,009 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,009 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,009 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,010 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,010 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,010 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,010 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,011 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,011 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,011 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,011 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,011 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,011 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,012 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,012 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,012 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,012 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,013 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,013 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,013 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,013 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,014 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,014 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,014 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,015 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,016 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,016 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,016 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,016 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,016 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,017 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,017 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,017 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,017 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,017 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,017 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,018 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,018 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,018 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,018 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,019 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,020 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,020 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,023 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,023 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,024 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,024 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,025 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,025 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,025 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,026 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,026 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,031 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,031 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,031 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,032 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,032 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,032 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,032 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,032 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,033 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,033 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,033 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,033 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,033 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,033 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,034 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,034 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,034 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,034 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,034 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,034 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,034 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,035 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,035 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,035 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,035 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,035 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,035 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,036 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,036 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,036 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,036 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,036 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,037 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,038 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,038 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,038 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,038 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,038 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,038 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,038 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,039 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,039 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,039 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,039 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,039 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,041 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,041 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,041 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,042 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,042 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,042 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,042 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,042 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,042 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,042 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,043 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,043 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,043 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,043 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,044 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,044 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,044 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,044 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,045 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,046 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,046 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,046 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,046 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,046 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,047 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,047 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,047 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,047 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,047 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,047 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,048 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,048 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,048 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,048 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,048 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,048 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,048 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,049 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,054 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,054 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,054 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,055 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,055 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,055 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,055 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,056 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,056 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,056 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,056 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,056 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,056 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,056 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,057 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,058 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,058 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,058 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,062 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,062 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,062 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,063 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,063 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,063 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,063 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,063 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,063 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,063 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,064 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,064 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,064 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,065 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,065 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,065 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,066 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,068 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,068 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,068 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,069 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,069 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,069 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,069 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,069 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,069 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,070 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,070 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,071 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,071 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,071 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,071 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,072 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,072 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,072 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,072 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,072 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,072 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,073 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,077 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,078 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,078 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,078 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,078 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,078 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,079 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,079 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,079 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,079 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,079 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,079 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,080 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,080 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,080 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,080 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,080 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,080 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,081 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,081 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,081 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,081 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,081 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,081 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,082 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,082 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:26,083 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-12-14 16:33:26,127 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 16:33:26,139 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 [2021-12-14 16:33:26,139 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-12-14 16:33:26,151 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 148 places, 137 transitions, 294 flow [2021-12-14 16:33:26,180 INFO L129 PetriNetUnfolder]: 2/133 cut-off events. [2021-12-14 16:33:26,180 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-14 16:33:26,183 INFO L84 FinitePrefix]: Finished finitePrefix Result has 146 conditions, 133 events. 2/133 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 68 event pairs, 0 based on Foata normal form. 0/129 useless extension candidates. Maximal degree in co-relation 92. Up to 2 conditions per place. [2021-12-14 16:33:26,183 INFO L82 GeneralOperation]: Start removeDead. Operand has 148 places, 137 transitions, 294 flow [2021-12-14 16:33:26,186 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 144 places, 133 transitions, 278 flow [2021-12-14 16:33:26,192 INFO L129 PetriNetUnfolder]: 0/50 cut-off events. [2021-12-14 16:33:26,193 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-14 16:33:26,193 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:33:26,194 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] [2021-12-14 16:33:26,194 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-14 16:33:26,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:33:26,198 INFO L85 PathProgramCache]: Analyzing trace with hash 1338494467, now seen corresponding path program 1 times [2021-12-14 16:33:26,203 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:33:26,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88345557] [2021-12-14 16:33:26,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:33:26,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:33:26,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:33:26,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 16:33:26,432 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:33:26,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88345557] [2021-12-14 16:33:26,433 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88345557] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 16:33:26,433 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 16:33:26,433 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-14 16:33:26,434 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11696671] [2021-12-14 16:33:26,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 16:33:26,441 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-14 16:33:26,441 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:33:26,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-14 16:33:26,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-14 16:33:26,464 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 137 [2021-12-14 16:33:26,467 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 133 transitions, 278 flow. Second operand has 3 states, 3 states have (on average 122.0) internal successors, (366), 3 states have internal predecessors, (366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:33:26,468 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:33:26,468 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 137 [2021-12-14 16:33:26,469 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:33:26,665 INFO L129 PetriNetUnfolder]: 162/620 cut-off events. [2021-12-14 16:33:26,665 INFO L130 PetriNetUnfolder]: For 22/22 co-relation queries the response was YES. [2021-12-14 16:33:26,668 INFO L84 FinitePrefix]: Finished finitePrefix Result has 926 conditions, 620 events. 162/620 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 3341 event pairs, 132 based on Foata normal form. 41/619 useless extension candidates. Maximal degree in co-relation 869. Up to 191 conditions per place. [2021-12-14 16:33:26,671 INFO L132 encePairwiseOnDemand]: 132/137 looper letters, 18 selfloop transitions, 2 changer transitions 0/137 dead transitions. [2021-12-14 16:33:26,672 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 137 transitions, 335 flow [2021-12-14 16:33:26,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-14 16:33:26,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-14 16:33:26,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 388 transitions. [2021-12-14 16:33:26,682 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9440389294403893 [2021-12-14 16:33:26,682 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 388 transitions. [2021-12-14 16:33:26,682 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 388 transitions. [2021-12-14 16:33:26,684 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 16:33:26,685 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 388 transitions. [2021-12-14 16:33:26,688 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 129.33333333333334) internal successors, (388), 3 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:33:26,693 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 137.0) internal successors, (548), 4 states have internal predecessors, (548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:33:26,694 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 137.0) internal successors, (548), 4 states have internal predecessors, (548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:33:26,695 INFO L186 Difference]: Start difference. First operand has 144 places, 133 transitions, 278 flow. Second operand 3 states and 388 transitions. [2021-12-14 16:33:26,696 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 137 transitions, 335 flow [2021-12-14 16:33:26,698 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 137 transitions, 328 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-12-14 16:33:26,700 INFO L242 Difference]: Finished difference. Result has 140 places, 129 transitions, 270 flow [2021-12-14 16:33:26,702 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=266, PETRI_DIFFERENCE_MINUEND_PLACES=138, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=270, PETRI_PLACES=140, PETRI_TRANSITIONS=129} [2021-12-14 16:33:26,704 INFO L334 CegarLoopForPetriNet]: 144 programPoint places, -4 predicate places. [2021-12-14 16:33:26,704 INFO L470 AbstractCegarLoop]: Abstraction has has 140 places, 129 transitions, 270 flow [2021-12-14 16:33:26,705 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 122.0) internal successors, (366), 3 states have internal predecessors, (366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:33:26,705 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:33:26,705 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 16:33:26,705 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 16:33:26,705 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-14 16:33:26,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:33:26,706 INFO L85 PathProgramCache]: Analyzing trace with hash 1196194587, now seen corresponding path program 1 times [2021-12-14 16:33:26,706 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:33:26,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228701360] [2021-12-14 16:33:26,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:33:26,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:33:26,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:33:26,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 16:33:26,938 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:33:26,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228701360] [2021-12-14 16:33:26,938 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228701360] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 16:33:26,939 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 16:33:26,939 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-14 16:33:26,939 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462598341] [2021-12-14 16:33:26,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 16:33:26,940 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-14 16:33:26,940 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:33:26,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-14 16:33:26,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-14 16:33:26,942 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 137 [2021-12-14 16:33:26,943 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 129 transitions, 270 flow. Second operand has 7 states, 7 states have (on average 106.28571428571429) internal successors, (744), 7 states have internal predecessors, (744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:33:26,943 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:33:26,943 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 137 [2021-12-14 16:33:26,943 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:33:30,580 INFO L129 PetriNetUnfolder]: 14819/32121 cut-off events. [2021-12-14 16:33:30,581 INFO L130 PetriNetUnfolder]: For 1153/1153 co-relation queries the response was YES. [2021-12-14 16:33:30,715 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53787 conditions, 32121 events. 14819/32121 cut-off events. For 1153/1153 co-relation queries the response was YES. Maximal size of possible extension queue 1283. Compared 337078 event pairs, 1155 based on Foata normal form. 0/31513 useless extension candidates. Maximal degree in co-relation 53727. Up to 7247 conditions per place. [2021-12-14 16:33:30,807 INFO L132 encePairwiseOnDemand]: 123/137 looper letters, 48 selfloop transitions, 12 changer transitions 128/275 dead transitions. [2021-12-14 16:33:30,807 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 275 transitions, 944 flow [2021-12-14 16:33:30,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-14 16:33:30,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-12-14 16:33:30,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1530 transitions. [2021-12-14 16:33:30,811 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8590679393599102 [2021-12-14 16:33:30,811 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1530 transitions. [2021-12-14 16:33:30,812 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1530 transitions. [2021-12-14 16:33:30,812 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 16:33:30,812 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1530 transitions. [2021-12-14 16:33:30,815 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 117.6923076923077) internal successors, (1530), 13 states have internal predecessors, (1530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:33:30,819 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 137.0) internal successors, (1918), 14 states have internal predecessors, (1918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:33:30,819 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 137.0) internal successors, (1918), 14 states have internal predecessors, (1918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:33:30,820 INFO L186 Difference]: Start difference. First operand has 140 places, 129 transitions, 270 flow. Second operand 13 states and 1530 transitions. [2021-12-14 16:33:30,820 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 275 transitions, 944 flow [2021-12-14 16:33:30,822 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 150 places, 275 transitions, 918 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-12-14 16:33:30,824 INFO L242 Difference]: Finished difference. Result has 162 places, 124 transitions, 370 flow [2021-12-14 16:33:30,824 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=266, PETRI_DIFFERENCE_MINUEND_PLACES=138, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=119, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=370, PETRI_PLACES=162, PETRI_TRANSITIONS=124} [2021-12-14 16:33:30,825 INFO L334 CegarLoopForPetriNet]: 144 programPoint places, 18 predicate places. [2021-12-14 16:33:30,825 INFO L470 AbstractCegarLoop]: Abstraction has has 162 places, 124 transitions, 370 flow [2021-12-14 16:33:30,826 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 106.28571428571429) internal successors, (744), 7 states have internal predecessors, (744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:33:30,826 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:33:30,826 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 16:33:30,826 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-14 16:33:30,827 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-14 16:33:30,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:33:30,827 INFO L85 PathProgramCache]: Analyzing trace with hash -1504018406, now seen corresponding path program 1 times [2021-12-14 16:33:30,828 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:33:30,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089296712] [2021-12-14 16:33:30,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:33:30,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:33:30,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:33:30,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 16:33:30,990 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:33:30,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089296712] [2021-12-14 16:33:30,990 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089296712] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 16:33:30,990 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 16:33:30,990 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-14 16:33:30,990 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210410062] [2021-12-14 16:33:30,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 16:33:30,991 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-14 16:33:30,991 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:33:30,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-14 16:33:30,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-14 16:33:30,992 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 137 [2021-12-14 16:33:30,993 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 124 transitions, 370 flow. Second operand has 7 states, 7 states have (on average 106.42857142857143) internal successors, (745), 7 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:33:30,993 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:33:30,993 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 137 [2021-12-14 16:33:30,993 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:33:33,573 INFO L129 PetriNetUnfolder]: 10632/17478 cut-off events. [2021-12-14 16:33:33,574 INFO L130 PetriNetUnfolder]: For 31670/31698 co-relation queries the response was YES. [2021-12-14 16:33:33,627 INFO L84 FinitePrefix]: Finished finitePrefix Result has 54384 conditions, 17478 events. 10632/17478 cut-off events. For 31670/31698 co-relation queries the response was YES. Maximal size of possible extension queue 891. Compared 129783 event pairs, 1634 based on Foata normal form. 376/17494 useless extension candidates. Maximal degree in co-relation 54308. Up to 5746 conditions per place. [2021-12-14 16:33:33,677 INFO L132 encePairwiseOnDemand]: 122/137 looper letters, 51 selfloop transitions, 16 changer transitions 118/272 dead transitions. [2021-12-14 16:33:33,678 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 272 transitions, 1532 flow [2021-12-14 16:33:33,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-14 16:33:33,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-12-14 16:33:33,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1519 transitions. [2021-12-14 16:33:33,681 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8528916339135317 [2021-12-14 16:33:33,681 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1519 transitions. [2021-12-14 16:33:33,681 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1519 transitions. [2021-12-14 16:33:33,682 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 16:33:33,682 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1519 transitions. [2021-12-14 16:33:33,684 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 116.84615384615384) internal successors, (1519), 13 states have internal predecessors, (1519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:33:33,687 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 137.0) internal successors, (1918), 14 states have internal predecessors, (1918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:33:33,688 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 137.0) internal successors, (1918), 14 states have internal predecessors, (1918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:33:33,688 INFO L186 Difference]: Start difference. First operand has 162 places, 124 transitions, 370 flow. Second operand 13 states and 1519 transitions. [2021-12-14 16:33:33,688 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 151 places, 272 transitions, 1532 flow [2021-12-14 16:33:33,758 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 272 transitions, 1508 flow, removed 12 selfloop flow, removed 3 redundant places. [2021-12-14 16:33:33,762 INFO L242 Difference]: Finished difference. Result has 160 places, 133 transitions, 554 flow [2021-12-14 16:33:33,763 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=364, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=554, PETRI_PLACES=160, PETRI_TRANSITIONS=133} [2021-12-14 16:33:33,763 INFO L334 CegarLoopForPetriNet]: 144 programPoint places, 16 predicate places. [2021-12-14 16:33:33,764 INFO L470 AbstractCegarLoop]: Abstraction has has 160 places, 133 transitions, 554 flow [2021-12-14 16:33:33,764 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 106.42857142857143) internal successors, (745), 7 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:33:33,764 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:33:33,764 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 16:33:33,764 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-14 16:33:33,765 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-14 16:33:33,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:33:33,765 INFO L85 PathProgramCache]: Analyzing trace with hash -1750010581, now seen corresponding path program 1 times [2021-12-14 16:33:33,765 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:33:33,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113891977] [2021-12-14 16:33:33,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:33:33,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:33:33,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:33:33,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 16:33:33,854 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:33:33,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113891977] [2021-12-14 16:33:33,854 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113891977] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 16:33:33,855 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 16:33:33,855 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 16:33:33,855 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565906407] [2021-12-14 16:33:33,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 16:33:33,855 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 16:33:33,855 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:33:33,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 16:33:33,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 16:33:33,856 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 137 [2021-12-14 16:33:33,857 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 133 transitions, 554 flow. Second operand has 6 states, 6 states have (on average 115.0) internal successors, (690), 6 states have internal predecessors, (690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:33:33,857 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:33:33,857 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 137 [2021-12-14 16:33:33,857 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:33:35,442 INFO L129 PetriNetUnfolder]: 5946/10944 cut-off events. [2021-12-14 16:33:35,442 INFO L130 PetriNetUnfolder]: For 39575/41924 co-relation queries the response was YES. [2021-12-14 16:33:35,501 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36673 conditions, 10944 events. 5946/10944 cut-off events. For 39575/41924 co-relation queries the response was YES. Maximal size of possible extension queue 659. Compared 89071 event pairs, 1664 based on Foata normal form. 606/10953 useless extension candidates. Maximal degree in co-relation 36584. Up to 4546 conditions per place. [2021-12-14 16:33:35,541 INFO L132 encePairwiseOnDemand]: 131/137 looper letters, 44 selfloop transitions, 12 changer transitions 18/184 dead transitions. [2021-12-14 16:33:35,541 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 184 transitions, 946 flow [2021-12-14 16:33:35,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-14 16:33:35,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-14 16:33:35,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1083 transitions. [2021-12-14 16:33:35,544 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.878345498783455 [2021-12-14 16:33:35,544 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1083 transitions. [2021-12-14 16:33:35,544 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1083 transitions. [2021-12-14 16:33:35,545 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 16:33:35,545 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1083 transitions. [2021-12-14 16:33:35,546 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 120.33333333333333) internal successors, (1083), 9 states have internal predecessors, (1083), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:33:35,548 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 137.0) internal successors, (1370), 10 states have internal predecessors, (1370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:33:35,548 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 137.0) internal successors, (1370), 10 states have internal predecessors, (1370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:33:35,549 INFO L186 Difference]: Start difference. First operand has 160 places, 133 transitions, 554 flow. Second operand 9 states and 1083 transitions. [2021-12-14 16:33:35,549 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 159 places, 184 transitions, 946 flow [2021-12-14 16:33:35,687 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 184 transitions, 910 flow, removed 18 selfloop flow, removed 0 redundant places. [2021-12-14 16:33:35,689 INFO L242 Difference]: Finished difference. Result has 162 places, 141 transitions, 647 flow [2021-12-14 16:33:35,690 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=534, PETRI_DIFFERENCE_MINUEND_PLACES=151, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=126, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=647, PETRI_PLACES=162, PETRI_TRANSITIONS=141} [2021-12-14 16:33:35,690 INFO L334 CegarLoopForPetriNet]: 144 programPoint places, 18 predicate places. [2021-12-14 16:33:35,690 INFO L470 AbstractCegarLoop]: Abstraction has has 162 places, 141 transitions, 647 flow [2021-12-14 16:33:35,691 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 115.0) internal successors, (690), 6 states have internal predecessors, (690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:33:35,691 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:33:35,691 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 16:33:35,691 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-14 16:33:35,691 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-14 16:33:35,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:33:35,692 INFO L85 PathProgramCache]: Analyzing trace with hash -989450519, now seen corresponding path program 1 times [2021-12-14 16:33:35,692 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:33:35,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141130362] [2021-12-14 16:33:35,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:33:35,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:33:35,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:33:35,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 16:33:35,821 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:33:35,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141130362] [2021-12-14 16:33:35,822 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141130362] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 16:33:35,822 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 16:33:35,822 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 16:33:35,822 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778413653] [2021-12-14 16:33:35,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 16:33:35,822 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 16:33:35,822 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:33:35,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 16:33:35,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 16:33:35,823 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 137 [2021-12-14 16:33:35,824 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 141 transitions, 647 flow. Second operand has 6 states, 6 states have (on average 114.16666666666667) internal successors, (685), 6 states have internal predecessors, (685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:33:35,824 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:33:35,825 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 137 [2021-12-14 16:33:35,825 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:33:38,938 INFO L129 PetriNetUnfolder]: 10914/21188 cut-off events. [2021-12-14 16:33:38,938 INFO L130 PetriNetUnfolder]: For 61878/62114 co-relation queries the response was YES. [2021-12-14 16:33:39,145 INFO L84 FinitePrefix]: Finished finitePrefix Result has 65558 conditions, 21188 events. 10914/21188 cut-off events. For 61878/62114 co-relation queries the response was YES. Maximal size of possible extension queue 1377. Compared 203098 event pairs, 3645 based on Foata normal form. 384/21026 useless extension candidates. Maximal degree in co-relation 65464. Up to 5602 conditions per place. [2021-12-14 16:33:39,198 INFO L132 encePairwiseOnDemand]: 131/137 looper letters, 41 selfloop transitions, 6 changer transitions 64/219 dead transitions. [2021-12-14 16:33:39,198 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 170 places, 219 transitions, 1356 flow [2021-12-14 16:33:39,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-14 16:33:39,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-14 16:33:39,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1090 transitions. [2021-12-14 16:33:39,201 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.884022708840227 [2021-12-14 16:33:39,201 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1090 transitions. [2021-12-14 16:33:39,201 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1090 transitions. [2021-12-14 16:33:39,202 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 16:33:39,202 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1090 transitions. [2021-12-14 16:33:39,204 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 121.11111111111111) internal successors, (1090), 9 states have internal predecessors, (1090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:33:39,205 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 137.0) internal successors, (1370), 10 states have internal predecessors, (1370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:33:39,206 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 137.0) internal successors, (1370), 10 states have internal predecessors, (1370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:33:39,206 INFO L186 Difference]: Start difference. First operand has 162 places, 141 transitions, 647 flow. Second operand 9 states and 1090 transitions. [2021-12-14 16:33:39,206 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 170 places, 219 transitions, 1356 flow [2021-12-14 16:33:39,319 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 219 transitions, 1282 flow, removed 37 selfloop flow, removed 9 redundant places. [2021-12-14 16:33:39,322 INFO L242 Difference]: Finished difference. Result has 168 places, 141 transitions, 651 flow [2021-12-14 16:33:39,322 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=609, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=141, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=135, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=651, PETRI_PLACES=168, PETRI_TRANSITIONS=141} [2021-12-14 16:33:39,322 INFO L334 CegarLoopForPetriNet]: 144 programPoint places, 24 predicate places. [2021-12-14 16:33:39,323 INFO L470 AbstractCegarLoop]: Abstraction has has 168 places, 141 transitions, 651 flow [2021-12-14 16:33:39,323 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 114.16666666666667) internal successors, (685), 6 states have internal predecessors, (685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:33:39,323 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:33:39,323 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 16:33:39,323 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-14 16:33:39,324 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-14 16:33:39,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:33:39,324 INFO L85 PathProgramCache]: Analyzing trace with hash 1612706191, now seen corresponding path program 1 times [2021-12-14 16:33:39,324 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:33:39,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96329926] [2021-12-14 16:33:39,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:33:39,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:33:39,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:33:39,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 16:33:39,419 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:33:39,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96329926] [2021-12-14 16:33:39,420 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96329926] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 16:33:39,420 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 16:33:39,420 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 16:33:39,420 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604924244] [2021-12-14 16:33:39,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 16:33:39,420 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 16:33:39,421 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:33:39,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 16:33:39,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 16:33:39,422 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 137 [2021-12-14 16:33:39,423 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 141 transitions, 651 flow. Second operand has 6 states, 6 states have (on average 112.0) internal successors, (672), 6 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:33:39,423 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:33:39,423 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 137 [2021-12-14 16:33:39,423 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:33:46,524 INFO L129 PetriNetUnfolder]: 31710/55645 cut-off events. [2021-12-14 16:33:46,524 INFO L130 PetriNetUnfolder]: For 60401/74270 co-relation queries the response was YES. [2021-12-14 16:33:47,016 INFO L84 FinitePrefix]: Finished finitePrefix Result has 128562 conditions, 55645 events. 31710/55645 cut-off events. For 60401/74270 co-relation queries the response was YES. Maximal size of possible extension queue 3367. Compared 540427 event pairs, 2580 based on Foata normal form. 849/53440 useless extension candidates. Maximal degree in co-relation 128469. Up to 18522 conditions per place. [2021-12-14 16:33:47,153 INFO L132 encePairwiseOnDemand]: 126/137 looper letters, 101 selfloop transitions, 20 changer transitions 0/237 dead transitions. [2021-12-14 16:33:47,153 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 237 transitions, 1245 flow [2021-12-14 16:33:47,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-14 16:33:47,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-12-14 16:33:47,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1207 transitions. [2021-12-14 16:33:47,156 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.881021897810219 [2021-12-14 16:33:47,157 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1207 transitions. [2021-12-14 16:33:47,157 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1207 transitions. [2021-12-14 16:33:47,157 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 16:33:47,157 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1207 transitions. [2021-12-14 16:33:47,159 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 120.7) internal successors, (1207), 10 states have internal predecessors, (1207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:33:47,161 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 137.0) internal successors, (1507), 11 states have internal predecessors, (1507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:33:47,162 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 137.0) internal successors, (1507), 11 states have internal predecessors, (1507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:33:47,162 INFO L186 Difference]: Start difference. First operand has 168 places, 141 transitions, 651 flow. Second operand 10 states and 1207 transitions. [2021-12-14 16:33:47,162 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 237 transitions, 1245 flow [2021-12-14 16:33:47,239 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 164 places, 237 transitions, 1213 flow, removed 13 selfloop flow, removed 7 redundant places. [2021-12-14 16:33:47,242 INFO L242 Difference]: Finished difference. Result has 170 places, 159 transitions, 762 flow [2021-12-14 16:33:47,242 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=619, PETRI_DIFFERENCE_MINUEND_PLACES=155, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=141, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=762, PETRI_PLACES=170, PETRI_TRANSITIONS=159} [2021-12-14 16:33:47,245 INFO L334 CegarLoopForPetriNet]: 144 programPoint places, 26 predicate places. [2021-12-14 16:33:47,245 INFO L470 AbstractCegarLoop]: Abstraction has has 170 places, 159 transitions, 762 flow [2021-12-14 16:33:47,245 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 112.0) internal successors, (672), 6 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:33:47,245 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:33:47,245 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 16:33:47,246 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-14 16:33:47,246 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-14 16:33:47,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:33:47,247 INFO L85 PathProgramCache]: Analyzing trace with hash 465894611, now seen corresponding path program 1 times [2021-12-14 16:33:47,247 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:33:47,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641158071] [2021-12-14 16:33:47,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:33:47,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:33:47,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:33:47,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 16:33:47,363 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:33:47,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641158071] [2021-12-14 16:33:47,364 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641158071] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 16:33:47,364 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 16:33:47,364 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-14 16:33:47,364 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644011542] [2021-12-14 16:33:47,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 16:33:47,364 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-14 16:33:47,365 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:33:47,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-14 16:33:47,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-14 16:33:47,366 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 137 [2021-12-14 16:33:47,366 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 170 places, 159 transitions, 762 flow. Second operand has 7 states, 7 states have (on average 107.0) internal successors, (749), 7 states have internal predecessors, (749), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:33:47,366 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:33:47,367 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 137 [2021-12-14 16:33:47,367 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:33:52,661 INFO L129 PetriNetUnfolder]: 16433/39504 cut-off events. [2021-12-14 16:33:52,662 INFO L130 PetriNetUnfolder]: For 82572/88547 co-relation queries the response was YES. [2021-12-14 16:33:53,006 INFO L84 FinitePrefix]: Finished finitePrefix Result has 119993 conditions, 39504 events. 16433/39504 cut-off events. For 82572/88547 co-relation queries the response was YES. Maximal size of possible extension queue 1913. Compared 484164 event pairs, 4106 based on Foata normal form. 608/37745 useless extension candidates. Maximal degree in co-relation 119894. Up to 6724 conditions per place. [2021-12-14 16:33:53,137 INFO L132 encePairwiseOnDemand]: 123/137 looper letters, 146 selfloop transitions, 53 changer transitions 3/307 dead transitions. [2021-12-14 16:33:53,138 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 182 places, 307 transitions, 2192 flow [2021-12-14 16:33:53,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-14 16:33:53,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-12-14 16:33:53,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1498 transitions. [2021-12-14 16:33:53,142 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.841100505334082 [2021-12-14 16:33:53,142 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1498 transitions. [2021-12-14 16:33:53,143 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1498 transitions. [2021-12-14 16:33:53,143 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 16:33:53,143 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1498 transitions. [2021-12-14 16:33:53,146 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 115.23076923076923) internal successors, (1498), 13 states have internal predecessors, (1498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:33:53,148 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 137.0) internal successors, (1918), 14 states have internal predecessors, (1918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:33:53,149 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 137.0) internal successors, (1918), 14 states have internal predecessors, (1918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:33:53,149 INFO L186 Difference]: Start difference. First operand has 170 places, 159 transitions, 762 flow. Second operand 13 states and 1498 transitions. [2021-12-14 16:33:53,149 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 182 places, 307 transitions, 2192 flow [2021-12-14 16:33:53,737 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 181 places, 307 transitions, 2190 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-12-14 16:33:53,741 INFO L242 Difference]: Finished difference. Result has 193 places, 201 transitions, 1447 flow [2021-12-14 16:33:53,741 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=760, PETRI_DIFFERENCE_MINUEND_PLACES=169, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=159, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1447, PETRI_PLACES=193, PETRI_TRANSITIONS=201} [2021-12-14 16:33:53,742 INFO L334 CegarLoopForPetriNet]: 144 programPoint places, 49 predicate places. [2021-12-14 16:33:53,742 INFO L470 AbstractCegarLoop]: Abstraction has has 193 places, 201 transitions, 1447 flow [2021-12-14 16:33:53,742 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 107.0) internal successors, (749), 7 states have internal predecessors, (749), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:33:53,742 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:33:53,743 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 16:33:53,743 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-14 16:33:53,743 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-14 16:33:53,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:33:53,743 INFO L85 PathProgramCache]: Analyzing trace with hash -284308411, now seen corresponding path program 1 times [2021-12-14 16:33:53,743 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:33:53,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2830091] [2021-12-14 16:33:53,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:33:53,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:33:53,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:33:53,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 16:33:53,829 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:33:53,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2830091] [2021-12-14 16:33:53,829 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2830091] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 16:33:53,829 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 16:33:53,829 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-14 16:33:53,829 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557110138] [2021-12-14 16:33:53,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 16:33:53,830 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-14 16:33:53,830 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:33:53,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-14 16:33:53,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-14 16:33:53,832 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 137 [2021-12-14 16:33:53,832 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 201 transitions, 1447 flow. Second operand has 7 states, 7 states have (on average 112.0) internal successors, (784), 7 states have internal predecessors, (784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:33:53,832 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:33:53,833 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 137 [2021-12-14 16:33:53,833 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:34:04,961 INFO L129 PetriNetUnfolder]: 41817/75930 cut-off events. [2021-12-14 16:34:04,961 INFO L130 PetriNetUnfolder]: For 211116/238841 co-relation queries the response was YES. [2021-12-14 16:34:05,929 INFO L84 FinitePrefix]: Finished finitePrefix Result has 242561 conditions, 75930 events. 41817/75930 cut-off events. For 211116/238841 co-relation queries the response was YES. Maximal size of possible extension queue 4590. Compared 804914 event pairs, 1833 based on Foata normal form. 3816/77777 useless extension candidates. Maximal degree in co-relation 242449. Up to 16251 conditions per place.