./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/parallel-barrier.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ff03de63 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/parallel-barrier.wvr.c -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 22b51332425cd14048935a20a73abea0065b1633fac56d6d6be511ab67585236 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 15:18:00,888 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 15:18:00,890 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 15:18:00,946 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 15:18:00,947 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 15:18:00,950 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 15:18:00,951 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 15:18:00,954 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 15:18:00,955 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 15:18:00,959 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 15:18:00,960 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 15:18:00,961 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 15:18:00,961 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 15:18:00,963 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 15:18:00,964 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 15:18:00,967 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 15:18:00,968 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 15:18:00,968 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 15:18:00,970 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 15:18:00,973 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 15:18:00,975 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 15:18:00,975 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 15:18:00,977 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 15:18:00,977 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 15:18:00,980 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 15:18:00,980 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 15:18:00,981 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 15:18:00,982 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 15:18:00,982 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 15:18:00,983 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 15:18:00,983 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 15:18:00,984 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 15:18:00,985 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 15:18:00,986 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 15:18:00,987 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 15:18:00,987 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 15:18:00,987 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 15:18:00,988 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 15:18:00,988 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 15:18:00,988 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 15:18:00,989 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 15:18:00,989 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-21 15:18:01,016 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 15:18:01,017 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 15:18:01,017 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 15:18:01,017 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 15:18:01,018 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 15:18:01,018 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 15:18:01,018 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 15:18:01,019 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 15:18:01,019 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 15:18:01,019 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 15:18:01,020 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 15:18:01,020 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 15:18:01,020 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 15:18:01,020 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 15:18:01,020 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 15:18:01,020 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 15:18:01,021 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 15:18:01,021 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 15:18:01,021 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 15:18:01,021 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 15:18:01,021 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 15:18:01,021 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 15:18:01,022 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 15:18:01,022 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 15:18:01,022 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 15:18:01,022 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 15:18:01,022 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 15:18:01,023 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 15:18:01,024 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 15:18:01,024 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 15:18:01,024 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 15:18:01,024 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 15:18:01,024 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 15:18:01,024 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 15:18:01,025 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 22b51332425cd14048935a20a73abea0065b1633fac56d6d6be511ab67585236 [2021-12-21 15:18:01,193 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 15:18:01,206 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 15:18:01,208 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 15:18:01,209 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 15:18:01,210 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 15:18:01,211 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/parallel-barrier.wvr.c [2021-12-21 15:18:01,251 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a7ca071e/89eacc26556448898137247186036ecf/FLAG7e6753150 [2021-12-21 15:18:01,578 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 15:18:01,578 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-barrier.wvr.c [2021-12-21 15:18:01,588 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a7ca071e/89eacc26556448898137247186036ecf/FLAG7e6753150 [2021-12-21 15:18:01,994 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a7ca071e/89eacc26556448898137247186036ecf [2021-12-21 15:18:01,996 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 15:18:01,997 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 15:18:01,998 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 15:18:01,998 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 15:18:02,000 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 15:18:02,001 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 03:18:01" (1/1) ... [2021-12-21 15:18:02,001 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d373654 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:18:02, skipping insertion in model container [2021-12-21 15:18:02,001 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 03:18:01" (1/1) ... [2021-12-21 15:18:02,006 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 15:18:02,019 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 15:18:02,198 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/weaver/parallel-barrier.wvr.c[4722,4735] [2021-12-21 15:18:02,202 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 15:18:02,210 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 15:18:02,251 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/weaver/parallel-barrier.wvr.c[4722,4735] [2021-12-21 15:18:02,257 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 15:18:02,271 INFO L208 MainTranslator]: Completed translation [2021-12-21 15:18:02,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:18:02 WrapperNode [2021-12-21 15:18:02,272 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 15:18:02,273 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 15:18:02,273 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 15:18:02,273 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 15:18:02,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:18:02" (1/1) ... [2021-12-21 15:18:02,296 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:18:02" (1/1) ... [2021-12-21 15:18:02,324 INFO L137 Inliner]: procedures = 25, calls = 98, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 253 [2021-12-21 15:18:02,325 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 15:18:02,325 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 15:18:02,325 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 15:18:02,326 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 15:18:02,331 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:18:02" (1/1) ... [2021-12-21 15:18:02,331 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:18:02" (1/1) ... [2021-12-21 15:18:02,343 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:18:02" (1/1) ... [2021-12-21 15:18:02,343 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:18:02" (1/1) ... [2021-12-21 15:18:02,351 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:18:02" (1/1) ... [2021-12-21 15:18:02,359 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:18:02" (1/1) ... [2021-12-21 15:18:02,361 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:18:02" (1/1) ... [2021-12-21 15:18:02,366 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 15:18:02,367 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 15:18:02,368 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 15:18:02,368 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 15:18:02,369 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:18:02" (1/1) ... [2021-12-21 15:18:02,373 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 15:18:02,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:18:02,404 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-21 15:18:02,422 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-21 15:18:02,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 15:18:02,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 15:18:02,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 15:18:02,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 15:18:02,435 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-12-21 15:18:02,435 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-12-21 15:18:02,435 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-12-21 15:18:02,435 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-12-21 15:18:02,435 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-12-21 15:18:02,435 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-12-21 15:18:02,436 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-12-21 15:18:02,436 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-12-21 15:18:02,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 15:18:02,436 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-12-21 15:18:02,436 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-12-21 15:18:02,436 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2021-12-21 15:18:02,436 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2021-12-21 15:18:02,437 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-21 15:18:02,437 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-21 15:18:02,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 15:18:02,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 15:18:02,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 15:18:02,438 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-21 15:18:02,529 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 15:18:02,530 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 15:18:02,800 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 15:18:02,846 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 15:18:02,846 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-21 15:18:02,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 03:18:02 BoogieIcfgContainer [2021-12-21 15:18:02,848 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 15:18:02,849 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 15:18:02,849 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 15:18:02,854 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 15:18:02,854 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 03:18:01" (1/3) ... [2021-12-21 15:18:02,855 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58730341 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 03:18:02, skipping insertion in model container [2021-12-21 15:18:02,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:18:02" (2/3) ... [2021-12-21 15:18:02,855 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58730341 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 03:18:02, skipping insertion in model container [2021-12-21 15:18:02,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 03:18:02" (3/3) ... [2021-12-21 15:18:02,856 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-barrier.wvr.c [2021-12-21 15:18:02,860 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-21 15:18:02,861 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 15:18:02,862 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 15:18:02,862 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-21 15:18:02,901 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t2~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,902 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,903 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t2~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,903 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,903 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t3~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,903 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t3~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,904 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t3~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,904 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t3~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,904 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,904 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,905 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,905 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,905 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,905 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,905 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,905 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,906 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,906 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,906 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,906 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,906 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~pre1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,906 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~pre1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,907 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~pre1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,907 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t2~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,907 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,907 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~pre1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,907 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t2~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,908 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,909 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~pre1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,909 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~pre1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,909 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,909 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,909 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~pre3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,909 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~pre3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,910 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t3~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,910 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~pre3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,910 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t3~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,910 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t3~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,910 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~pre3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,910 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t3~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,911 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~pre3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,911 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~pre3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,911 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,911 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,911 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t2~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,911 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,912 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,912 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t2~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,912 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,912 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,913 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,913 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,913 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t3~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,913 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t3~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,913 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,914 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t3~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,914 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t3~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,914 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,914 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,914 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,915 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,915 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,915 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,915 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,915 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,915 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,916 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t2~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,916 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,916 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t2~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,916 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,916 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t3~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,916 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t3~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,917 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t3~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,917 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t3~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,917 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t3~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,917 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t3~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,918 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,918 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,918 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,918 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,919 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,919 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,919 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,919 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,920 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,920 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,920 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,920 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,920 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,921 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,921 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,921 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,921 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,922 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,922 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,922 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,922 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,922 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,923 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,923 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,923 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,924 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,924 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,924 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,924 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,924 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,924 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,924 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,925 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,925 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,925 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,925 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,925 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~pre7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,926 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~pre7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,926 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~pre7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,926 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,926 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,926 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~pre7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,927 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,927 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,927 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~pre7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,927 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~pre7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,927 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,927 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,928 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~pre9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,928 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~pre9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,928 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,928 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~pre9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,928 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,929 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,929 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~pre9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,929 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,929 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~pre9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,929 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~pre9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,929 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,929 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,930 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,930 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,930 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,930 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,930 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,930 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,931 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,931 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,931 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,931 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,931 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,932 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,932 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,932 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,932 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,932 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,932 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,933 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,933 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,933 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,933 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,933 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,933 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,934 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,934 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,934 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,934 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,934 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,934 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,934 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,935 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,935 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,935 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,935 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,936 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,936 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,936 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,936 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,936 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,936 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,937 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,937 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,937 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,937 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,938 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,938 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,938 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,938 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,940 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,941 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,941 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,941 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,942 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,942 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,942 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,942 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,942 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,943 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,943 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,943 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t3~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,943 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t2~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,943 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t3~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,943 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~pre3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,943 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,944 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,944 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,944 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,944 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,944 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~pre1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,944 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,945 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,945 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,945 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,945 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,946 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,946 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~pre7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,946 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,946 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,946 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,946 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,947 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,947 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,947 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,947 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,947 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,947 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~pre9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,947 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,948 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,948 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,948 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,948 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,949 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,949 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,949 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,949 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,949 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,950 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,950 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,950 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,951 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,951 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,951 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,951 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,951 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,952 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,952 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,952 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,952 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:18:02,962 INFO L148 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2021-12-21 15:18:02,997 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 15:18:03,002 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-21 15:18:03,002 INFO L340 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2021-12-21 15:18:03,013 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 246 places, 235 transitions, 542 flow [2021-12-21 15:18:03,073 INFO L129 PetriNetUnfolder]: 8/207 cut-off events. [2021-12-21 15:18:03,074 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-12-21 15:18:03,081 INFO L84 FinitePrefix]: Finished finitePrefix Result has 236 conditions, 207 events. 8/207 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 243 event pairs, 0 based on Foata normal form. 0/198 useless extension candidates. Maximal degree in co-relation 177. Up to 3 conditions per place. [2021-12-21 15:18:03,081 INFO L82 GeneralOperation]: Start removeDead. Operand has 246 places, 235 transitions, 542 flow [2021-12-21 15:18:03,086 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 209 places, 198 transitions, 444 flow [2021-12-21 15:18:03,148 INFO L129 PetriNetUnfolder]: 8/197 cut-off events. [2021-12-21 15:18:03,148 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-12-21 15:18:03,148 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:18:03,149 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:18:03,149 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATION, thread1Err6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2021-12-21 15:18:03,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:18:03,175 INFO L85 PathProgramCache]: Analyzing trace with hash 7379460, now seen corresponding path program 1 times [2021-12-21 15:18:03,181 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:18:03,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666588370] [2021-12-21 15:18:03,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:18:03,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:18:03,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:18:03,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 15:18:03,986 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:18:03,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666588370] [2021-12-21 15:18:03,987 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666588370] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:18:03,987 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:18:03,988 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-21 15:18:03,989 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795276377] [2021-12-21 15:18:04,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:18:04,011 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 15:18:04,011 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:18:04,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 15:18:04,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-21 15:18:04,075 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 239 [2021-12-21 15:18:04,081 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 198 transitions, 444 flow. Second operand has 5 states, 5 states have (on average 202.6) internal successors, (1013), 5 states have internal predecessors, (1013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:18:04,081 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 15:18:04,081 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 239 [2021-12-21 15:18:04,082 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 15:18:04,616 INFO L129 PetriNetUnfolder]: 354/1315 cut-off events. [2021-12-21 15:18:04,617 INFO L130 PetriNetUnfolder]: For 424/424 co-relation queries the response was YES. [2021-12-21 15:18:04,624 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2287 conditions, 1315 events. 354/1315 cut-off events. For 424/424 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 7887 event pairs, 170 based on Foata normal form. 41/1228 useless extension candidates. Maximal degree in co-relation 2051. Up to 365 conditions per place. [2021-12-21 15:18:04,632 INFO L132 encePairwiseOnDemand]: 228/239 looper letters, 49 selfloop transitions, 6 changer transitions 3/222 dead transitions. [2021-12-21 15:18:04,632 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 213 places, 222 transitions, 670 flow [2021-12-21 15:18:04,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-21 15:18:04,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-12-21 15:18:04,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1054 transitions. [2021-12-21 15:18:04,650 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8820083682008368 [2021-12-21 15:18:04,651 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1054 transitions. [2021-12-21 15:18:04,651 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1054 transitions. [2021-12-21 15:18:04,654 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 15:18:04,657 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1054 transitions. [2021-12-21 15:18:04,662 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 210.8) internal successors, (1054), 5 states have internal predecessors, (1054), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:18:04,669 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 239.0) internal successors, (1434), 6 states have internal predecessors, (1434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:18:04,670 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 239.0) internal successors, (1434), 6 states have internal predecessors, (1434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:18:04,671 INFO L186 Difference]: Start difference. First operand has 209 places, 198 transitions, 444 flow. Second operand 5 states and 1054 transitions. [2021-12-21 15:18:04,672 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 213 places, 222 transitions, 670 flow [2021-12-21 15:18:04,679 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 201 places, 222 transitions, 594 flow, removed 0 selfloop flow, removed 12 redundant places. [2021-12-21 15:18:04,682 INFO L242 Difference]: Finished difference. Result has 202 places, 191 transitions, 416 flow [2021-12-21 15:18:04,684 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=404, PETRI_DIFFERENCE_MINUEND_PLACES=197, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=194, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=188, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=416, PETRI_PLACES=202, PETRI_TRANSITIONS=191} [2021-12-21 15:18:04,687 INFO L334 CegarLoopForPetriNet]: 209 programPoint places, -7 predicate places. [2021-12-21 15:18:04,687 INFO L470 AbstractCegarLoop]: Abstraction has has 202 places, 191 transitions, 416 flow [2021-12-21 15:18:04,688 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 202.6) internal successors, (1013), 5 states have internal predecessors, (1013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:18:04,688 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:18:04,688 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:18:04,689 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 15:18:04,689 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATION, thread1Err6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2021-12-21 15:18:04,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:18:04,689 INFO L85 PathProgramCache]: Analyzing trace with hash 1171318792, now seen corresponding path program 2 times [2021-12-21 15:18:04,690 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:18:04,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36153629] [2021-12-21 15:18:04,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:18:04,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:18:04,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:18:04,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 15:18:04,881 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:18:04,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36153629] [2021-12-21 15:18:04,882 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36153629] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:18:04,882 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:18:04,882 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-21 15:18:04,882 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854527788] [2021-12-21 15:18:04,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:18:04,883 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 15:18:04,883 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:18:04,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 15:18:04,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-21 15:18:04,885 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 239 [2021-12-21 15:18:04,886 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 191 transitions, 416 flow. Second operand has 5 states, 5 states have (on average 202.6) internal successors, (1013), 5 states have internal predecessors, (1013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:18:04,886 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 15:18:04,886 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 239 [2021-12-21 15:18:04,886 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 15:18:05,095 INFO L129 PetriNetUnfolder]: 300/1198 cut-off events. [2021-12-21 15:18:05,095 INFO L130 PetriNetUnfolder]: For 141/141 co-relation queries the response was YES. [2021-12-21 15:18:05,098 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1829 conditions, 1198 events. 300/1198 cut-off events. For 141/141 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 6898 event pairs, 128 based on Foata normal form. 22/1098 useless extension candidates. Maximal degree in co-relation 1402. Up to 289 conditions per place. [2021-12-21 15:18:05,101 INFO L132 encePairwiseOnDemand]: 232/239 looper letters, 48 selfloop transitions, 6 changer transitions 1/218 dead transitions. [2021-12-21 15:18:05,101 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 203 places, 218 transitions, 607 flow [2021-12-21 15:18:05,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-21 15:18:05,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-12-21 15:18:05,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1046 transitions. [2021-12-21 15:18:05,103 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8753138075313808 [2021-12-21 15:18:05,104 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1046 transitions. [2021-12-21 15:18:05,104 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1046 transitions. [2021-12-21 15:18:05,104 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 15:18:05,104 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1046 transitions. [2021-12-21 15:18:05,106 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 209.2) internal successors, (1046), 5 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:18:05,107 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 239.0) internal successors, (1434), 6 states have internal predecessors, (1434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:18:05,108 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 239.0) internal successors, (1434), 6 states have internal predecessors, (1434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:18:05,108 INFO L186 Difference]: Start difference. First operand has 202 places, 191 transitions, 416 flow. Second operand 5 states and 1046 transitions. [2021-12-21 15:18:05,108 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 203 places, 218 transitions, 607 flow [2021-12-21 15:18:05,109 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 199 places, 218 transitions, 595 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-12-21 15:18:05,111 INFO L242 Difference]: Finished difference. Result has 200 places, 190 transitions, 420 flow [2021-12-21 15:18:05,112 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=404, PETRI_DIFFERENCE_MINUEND_PLACES=195, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=191, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=185, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=420, PETRI_PLACES=200, PETRI_TRANSITIONS=190} [2021-12-21 15:18:05,112 INFO L334 CegarLoopForPetriNet]: 209 programPoint places, -9 predicate places. [2021-12-21 15:18:05,112 INFO L470 AbstractCegarLoop]: Abstraction has has 200 places, 190 transitions, 420 flow [2021-12-21 15:18:05,113 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 202.6) internal successors, (1013), 5 states have internal predecessors, (1013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:18:05,113 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:18:05,113 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:18:05,113 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-21 15:18:05,113 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATION, thread1Err6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2021-12-21 15:18:05,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:18:05,114 INFO L85 PathProgramCache]: Analyzing trace with hash 104742018, now seen corresponding path program 1 times [2021-12-21 15:18:05,114 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:18:05,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972499613] [2021-12-21 15:18:05,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:18:05,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:18:05,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:18:05,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 15:18:05,244 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:18:05,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972499613] [2021-12-21 15:18:05,244 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972499613] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:18:05,244 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:18:05,244 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-21 15:18:05,244 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713483296] [2021-12-21 15:18:05,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:18:05,244 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 15:18:05,245 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:18:05,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 15:18:05,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-21 15:18:05,246 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 239 [2021-12-21 15:18:05,247 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 190 transitions, 420 flow. Second operand has 5 states, 5 states have (on average 202.6) internal successors, (1013), 5 states have internal predecessors, (1013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:18:05,247 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 15:18:05,247 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 239 [2021-12-21 15:18:05,247 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 15:18:05,458 INFO L129 PetriNetUnfolder]: 311/1167 cut-off events. [2021-12-21 15:18:05,458 INFO L130 PetriNetUnfolder]: For 174/174 co-relation queries the response was YES. [2021-12-21 15:18:05,462 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1900 conditions, 1167 events. 311/1167 cut-off events. For 174/174 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 6706 event pairs, 141 based on Foata normal form. 11/1085 useless extension candidates. Maximal degree in co-relation 1581. Up to 327 conditions per place. [2021-12-21 15:18:05,466 INFO L132 encePairwiseOnDemand]: 232/239 looper letters, 49 selfloop transitions, 6 changer transitions 0/218 dead transitions. [2021-12-21 15:18:05,466 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 203 places, 218 transitions, 614 flow [2021-12-21 15:18:05,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-21 15:18:05,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-12-21 15:18:05,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1046 transitions. [2021-12-21 15:18:05,468 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8753138075313808 [2021-12-21 15:18:05,468 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1046 transitions. [2021-12-21 15:18:05,469 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1046 transitions. [2021-12-21 15:18:05,469 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 15:18:05,469 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1046 transitions. [2021-12-21 15:18:05,471 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 209.2) internal successors, (1046), 5 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:18:05,472 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 239.0) internal successors, (1434), 6 states have internal predecessors, (1434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:18:05,473 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 239.0) internal successors, (1434), 6 states have internal predecessors, (1434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:18:05,473 INFO L186 Difference]: Start difference. First operand has 200 places, 190 transitions, 420 flow. Second operand 5 states and 1046 transitions. [2021-12-21 15:18:05,473 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 203 places, 218 transitions, 614 flow [2021-12-21 15:18:05,475 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 199 places, 218 transitions, 602 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-12-21 15:18:05,477 INFO L242 Difference]: Finished difference. Result has 200 places, 190 transitions, 426 flow [2021-12-21 15:18:05,477 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=408, PETRI_DIFFERENCE_MINUEND_PLACES=195, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=190, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=184, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=426, PETRI_PLACES=200, PETRI_TRANSITIONS=190} [2021-12-21 15:18:05,478 INFO L334 CegarLoopForPetriNet]: 209 programPoint places, -9 predicate places. [2021-12-21 15:18:05,478 INFO L470 AbstractCegarLoop]: Abstraction has has 200 places, 190 transitions, 426 flow [2021-12-21 15:18:05,479 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 202.6) internal successors, (1013), 5 states have internal predecessors, (1013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:18:05,479 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:18:05,479 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:18:05,479 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-21 15:18:05,479 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATION, thread1Err6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2021-12-21 15:18:05,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:18:05,480 INFO L85 PathProgramCache]: Analyzing trace with hash 632833614, now seen corresponding path program 2 times [2021-12-21 15:18:05,480 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:18:05,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117398323] [2021-12-21 15:18:05,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:18:05,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:18:05,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:18:06,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 15:18:06,257 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:18:06,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117398323] [2021-12-21 15:18:06,257 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117398323] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:18:06,258 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:18:06,258 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-12-21 15:18:06,258 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733488092] [2021-12-21 15:18:06,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:18:06,258 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-12-21 15:18:06,258 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:18:06,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-12-21 15:18:06,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=681, Unknown=0, NotChecked=0, Total=756 [2021-12-21 15:18:06,262 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 239 [2021-12-21 15:18:06,266 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 190 transitions, 426 flow. Second operand has 28 states, 28 states have (on average 157.25) internal successors, (4403), 28 states have internal predecessors, (4403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:18:06,266 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 15:18:06,266 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 239 [2021-12-21 15:18:06,266 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 15:18:11,403 INFO L129 PetriNetUnfolder]: 6159/11781 cut-off events. [2021-12-21 15:18:11,403 INFO L130 PetriNetUnfolder]: For 2302/2302 co-relation queries the response was YES. [2021-12-21 15:18:11,433 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22609 conditions, 11781 events. 6159/11781 cut-off events. For 2302/2302 co-relation queries the response was YES. Maximal size of possible extension queue 317. Compared 87885 event pairs, 709 based on Foata normal form. 2/10967 useless extension candidates. Maximal degree in co-relation 21713. Up to 4268 conditions per place. [2021-12-21 15:18:11,486 INFO L132 encePairwiseOnDemand]: 210/239 looper letters, 325 selfloop transitions, 150 changer transitions 31/629 dead transitions. [2021-12-21 15:18:11,487 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 249 places, 629 transitions, 2595 flow [2021-12-21 15:18:11,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-12-21 15:18:11,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2021-12-21 15:18:11,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 8258 transitions. [2021-12-21 15:18:11,499 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6910460251046026 [2021-12-21 15:18:11,500 INFO L72 ComplementDD]: Start complementDD. Operand 50 states and 8258 transitions. [2021-12-21 15:18:11,500 INFO L73 IsDeterministic]: Start isDeterministic. Operand 50 states and 8258 transitions. [2021-12-21 15:18:11,503 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 15:18:11,503 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 50 states and 8258 transitions. [2021-12-21 15:18:11,514 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 51 states, 50 states have (on average 165.16) internal successors, (8258), 50 states have internal predecessors, (8258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:18:11,531 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 51 states, 51 states have (on average 239.0) internal successors, (12189), 51 states have internal predecessors, (12189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:18:11,537 INFO L81 ComplementDD]: Finished complementDD. Result has 51 states, 51 states have (on average 239.0) internal successors, (12189), 51 states have internal predecessors, (12189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:18:11,537 INFO L186 Difference]: Start difference. First operand has 200 places, 190 transitions, 426 flow. Second operand 50 states and 8258 transitions. [2021-12-21 15:18:11,537 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 249 places, 629 transitions, 2595 flow [2021-12-21 15:18:11,545 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 245 places, 629 transitions, 2515 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-12-21 15:18:11,552 INFO L242 Difference]: Finished difference. Result has 277 places, 349 transitions, 1298 flow [2021-12-21 15:18:11,552 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=414, PETRI_DIFFERENCE_MINUEND_PLACES=196, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=190, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=164, PETRI_DIFFERENCE_SUBTRAHEND_STATES=50, PETRI_FLOW=1298, PETRI_PLACES=277, PETRI_TRANSITIONS=349} [2021-12-21 15:18:11,554 INFO L334 CegarLoopForPetriNet]: 209 programPoint places, 68 predicate places. [2021-12-21 15:18:11,554 INFO L470 AbstractCegarLoop]: Abstraction has has 277 places, 349 transitions, 1298 flow [2021-12-21 15:18:11,555 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 157.25) internal successors, (4403), 28 states have internal predecessors, (4403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:18:11,555 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:18:11,556 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:18:11,556 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-21 15:18:11,558 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATION, thread1Err6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2021-12-21 15:18:11,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:18:11,559 INFO L85 PathProgramCache]: Analyzing trace with hash 1912792082, now seen corresponding path program 3 times [2021-12-21 15:18:11,559 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:18:11,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265282506] [2021-12-21 15:18:11,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:18:11,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:18:11,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:18:11,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 15:18:11,673 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:18:11,673 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265282506] [2021-12-21 15:18:11,673 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265282506] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:18:11,674 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:18:11,674 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-21 15:18:11,674 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063413767] [2021-12-21 15:18:11,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:18:11,674 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 15:18:11,674 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:18:11,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 15:18:11,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-21 15:18:11,676 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 239 [2021-12-21 15:18:11,677 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 277 places, 349 transitions, 1298 flow. Second operand has 5 states, 5 states have (on average 202.6) internal successors, (1013), 5 states have internal predecessors, (1013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:18:11,678 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 15:18:11,678 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 239 [2021-12-21 15:18:11,678 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 15:18:12,520 INFO L129 PetriNetUnfolder]: 1446/4090 cut-off events. [2021-12-21 15:18:12,521 INFO L130 PetriNetUnfolder]: For 1652/1663 co-relation queries the response was YES. [2021-12-21 15:18:12,542 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7876 conditions, 4090 events. 1446/4090 cut-off events. For 1652/1663 co-relation queries the response was YES. Maximal size of possible extension queue 165. Compared 31787 event pairs, 571 based on Foata normal form. 47/3664 useless extension candidates. Maximal degree in co-relation 7833. Up to 1034 conditions per place. [2021-12-21 15:18:12,558 INFO L132 encePairwiseOnDemand]: 232/239 looper letters, 48 selfloop transitions, 9 changer transitions 0/371 dead transitions. [2021-12-21 15:18:12,559 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 277 places, 371 transitions, 1478 flow [2021-12-21 15:18:12,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-21 15:18:12,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-12-21 15:18:12,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1045 transitions. [2021-12-21 15:18:12,562 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8744769874476988 [2021-12-21 15:18:12,562 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1045 transitions. [2021-12-21 15:18:12,563 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1045 transitions. [2021-12-21 15:18:12,563 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 15:18:12,563 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1045 transitions. [2021-12-21 15:18:12,565 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 209.0) internal successors, (1045), 5 states have internal predecessors, (1045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:18:12,566 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 239.0) internal successors, (1434), 6 states have internal predecessors, (1434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:18:12,567 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 239.0) internal successors, (1434), 6 states have internal predecessors, (1434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:18:12,567 INFO L186 Difference]: Start difference. First operand has 277 places, 349 transitions, 1298 flow. Second operand 5 states and 1045 transitions. [2021-12-21 15:18:12,567 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 277 places, 371 transitions, 1478 flow [2021-12-21 15:18:12,579 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 271 places, 371 transitions, 1466 flow, removed 4 selfloop flow, removed 6 redundant places. [2021-12-21 15:18:12,583 INFO L242 Difference]: Finished difference. Result has 272 places, 344 transitions, 1290 flow [2021-12-21 15:18:12,584 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=1265, PETRI_DIFFERENCE_MINUEND_PLACES=267, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=344, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=335, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1290, PETRI_PLACES=272, PETRI_TRANSITIONS=344} [2021-12-21 15:18:12,586 INFO L334 CegarLoopForPetriNet]: 209 programPoint places, 63 predicate places. [2021-12-21 15:18:12,586 INFO L470 AbstractCegarLoop]: Abstraction has has 272 places, 344 transitions, 1290 flow [2021-12-21 15:18:12,587 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 202.6) internal successors, (1013), 5 states have internal predecessors, (1013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:18:12,587 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:18:12,587 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:18:12,587 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-21 15:18:12,587 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATION, thread1Err6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2021-12-21 15:18:12,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:18:12,589 INFO L85 PathProgramCache]: Analyzing trace with hash 721203484, now seen corresponding path program 4 times [2021-12-21 15:18:12,589 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:18:12,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737388868] [2021-12-21 15:18:12,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:18:12,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:18:12,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:18:13,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 15:18:13,190 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:18:13,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737388868] [2021-12-21 15:18:13,190 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737388868] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:18:13,190 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:18:13,190 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-12-21 15:18:13,190 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744052259] [2021-12-21 15:18:13,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:18:13,191 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-12-21 15:18:13,191 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:18:13,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-12-21 15:18:13,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=414, Unknown=0, NotChecked=0, Total=462 [2021-12-21 15:18:13,194 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 239 [2021-12-21 15:18:13,196 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 272 places, 344 transitions, 1290 flow. Second operand has 22 states, 22 states have (on average 165.5909090909091) internal successors, (3643), 22 states have internal predecessors, (3643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:18:13,196 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 15:18:13,196 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 239 [2021-12-21 15:18:13,197 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 15:18:16,787 INFO L129 PetriNetUnfolder]: 5831/11314 cut-off events. [2021-12-21 15:18:16,787 INFO L130 PetriNetUnfolder]: For 11901/11905 co-relation queries the response was YES. [2021-12-21 15:18:16,940 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30228 conditions, 11314 events. 5831/11314 cut-off events. For 11901/11905 co-relation queries the response was YES. Maximal size of possible extension queue 336. Compared 83961 event pairs, 1439 based on Foata normal form. 1/10510 useless extension candidates. Maximal degree in co-relation 29680. Up to 5617 conditions per place. [2021-12-21 15:18:16,987 INFO L132 encePairwiseOnDemand]: 216/239 looper letters, 350 selfloop transitions, 111 changer transitions 17/613 dead transitions. [2021-12-21 15:18:16,987 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 304 places, 613 transitions, 3464 flow [2021-12-21 15:18:16,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-12-21 15:18:16,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2021-12-21 15:18:16,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 5696 transitions. [2021-12-21 15:18:16,995 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7222010904019273 [2021-12-21 15:18:16,996 INFO L72 ComplementDD]: Start complementDD. Operand 33 states and 5696 transitions. [2021-12-21 15:18:16,996 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 5696 transitions. [2021-12-21 15:18:16,998 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 15:18:16,998 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 33 states and 5696 transitions. [2021-12-21 15:18:17,005 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 34 states, 33 states have (on average 172.6060606060606) internal successors, (5696), 33 states have internal predecessors, (5696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:18:17,015 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 34 states, 34 states have (on average 239.0) internal successors, (8126), 34 states have internal predecessors, (8126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:18:17,016 INFO L81 ComplementDD]: Finished complementDD. Result has 34 states, 34 states have (on average 239.0) internal successors, (8126), 34 states have internal predecessors, (8126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:18:17,016 INFO L186 Difference]: Start difference. First operand has 272 places, 344 transitions, 1290 flow. Second operand 33 states and 5696 transitions. [2021-12-21 15:18:17,017 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 304 places, 613 transitions, 3464 flow [2021-12-21 15:18:17,044 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 300 places, 613 transitions, 3444 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-12-21 15:18:17,049 INFO L242 Difference]: Finished difference. Result has 321 places, 448 transitions, 2205 flow [2021-12-21 15:18:17,050 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=1272, PETRI_DIFFERENCE_MINUEND_PLACES=268, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=344, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=311, PETRI_DIFFERENCE_SUBTRAHEND_STATES=33, PETRI_FLOW=2205, PETRI_PLACES=321, PETRI_TRANSITIONS=448} [2021-12-21 15:18:17,052 INFO L334 CegarLoopForPetriNet]: 209 programPoint places, 112 predicate places. [2021-12-21 15:18:17,052 INFO L470 AbstractCegarLoop]: Abstraction has has 321 places, 448 transitions, 2205 flow [2021-12-21 15:18:17,054 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 165.5909090909091) internal successors, (3643), 22 states have internal predecessors, (3643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:18:17,054 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:18:17,054 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:18:17,054 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-21 15:18:17,054 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATION, thread1Err6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2021-12-21 15:18:17,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:18:17,055 INFO L85 PathProgramCache]: Analyzing trace with hash 295802982, now seen corresponding path program 5 times [2021-12-21 15:18:17,055 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:18:17,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559856025] [2021-12-21 15:18:17,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:18:17,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:18:17,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:18:17,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 15:18:17,606 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:18:17,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559856025] [2021-12-21 15:18:17,606 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559856025] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:18:17,606 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:18:17,606 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2021-12-21 15:18:17,606 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065221075] [2021-12-21 15:18:17,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:18:17,607 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-12-21 15:18:17,607 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:18:17,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-12-21 15:18:17,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=502, Unknown=0, NotChecked=0, Total=552 [2021-12-21 15:18:17,611 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 239 [2021-12-21 15:18:17,615 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 321 places, 448 transitions, 2205 flow. Second operand has 24 states, 24 states have (on average 165.375) internal successors, (3969), 24 states have internal predecessors, (3969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:18:17,615 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 15:18:17,616 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 239 [2021-12-21 15:18:17,616 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 15:18:22,895 INFO L129 PetriNetUnfolder]: 7413/14328 cut-off events. [2021-12-21 15:18:22,895 INFO L130 PetriNetUnfolder]: For 41322/41329 co-relation queries the response was YES. [2021-12-21 15:18:23,020 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47072 conditions, 14328 events. 7413/14328 cut-off events. For 41322/41329 co-relation queries the response was YES. Maximal size of possible extension queue 442. Compared 110760 event pairs, 2057 based on Foata normal form. 4/13199 useless extension candidates. Maximal degree in co-relation 47000. Up to 7084 conditions per place. [2021-12-21 15:18:23,101 INFO L132 encePairwiseOnDemand]: 216/239 looper letters, 551 selfloop transitions, 239 changer transitions 22/947 dead transitions. [2021-12-21 15:18:23,101 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 380 places, 947 transitions, 6716 flow [2021-12-21 15:18:23,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-12-21 15:18:23,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2021-12-21 15:18:23,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 10801 transitions. [2021-12-21 15:18:23,113 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7173407717340772 [2021-12-21 15:18:23,114 INFO L72 ComplementDD]: Start complementDD. Operand 63 states and 10801 transitions. [2021-12-21 15:18:23,114 INFO L73 IsDeterministic]: Start isDeterministic. Operand 63 states and 10801 transitions. [2021-12-21 15:18:23,119 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 15:18:23,119 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 63 states and 10801 transitions. [2021-12-21 15:18:23,131 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 64 states, 63 states have (on average 171.44444444444446) internal successors, (10801), 63 states have internal predecessors, (10801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:18:23,148 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 64 states, 64 states have (on average 239.0) internal successors, (15296), 64 states have internal predecessors, (15296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:18:23,151 INFO L81 ComplementDD]: Finished complementDD. Result has 64 states, 64 states have (on average 239.0) internal successors, (15296), 64 states have internal predecessors, (15296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:18:23,151 INFO L186 Difference]: Start difference. First operand has 321 places, 448 transitions, 2205 flow. Second operand 63 states and 10801 transitions. [2021-12-21 15:18:23,152 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 380 places, 947 transitions, 6716 flow [2021-12-21 15:18:23,296 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 375 places, 947 transitions, 6528 flow, removed 90 selfloop flow, removed 5 redundant places. [2021-12-21 15:18:23,305 INFO L242 Difference]: Finished difference. Result has 405 places, 638 transitions, 4305 flow [2021-12-21 15:18:23,305 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=2063, PETRI_DIFFERENCE_MINUEND_PLACES=313, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=448, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=65, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=373, PETRI_DIFFERENCE_SUBTRAHEND_STATES=63, PETRI_FLOW=4305, PETRI_PLACES=405, PETRI_TRANSITIONS=638} [2021-12-21 15:18:23,306 INFO L334 CegarLoopForPetriNet]: 209 programPoint places, 196 predicate places. [2021-12-21 15:18:23,306 INFO L470 AbstractCegarLoop]: Abstraction has has 405 places, 638 transitions, 4305 flow [2021-12-21 15:18:23,307 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 165.375) internal successors, (3969), 24 states have internal predecessors, (3969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:18:23,307 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:18:23,307 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:18:23,308 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-21 15:18:23,308 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATION, thread1Err6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2021-12-21 15:18:23,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:18:23,308 INFO L85 PathProgramCache]: Analyzing trace with hash 1658822984, now seen corresponding path program 6 times [2021-12-21 15:18:23,308 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:18:23,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929350596] [2021-12-21 15:18:23,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:18:23,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:18:23,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:18:23,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 15:18:23,874 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:18:23,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929350596] [2021-12-21 15:18:23,875 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929350596] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:18:23,875 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:18:23,875 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2021-12-21 15:18:23,875 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277167230] [2021-12-21 15:18:23,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:18:23,875 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-12-21 15:18:23,875 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:18:23,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-12-21 15:18:23,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=491, Unknown=0, NotChecked=0, Total=552 [2021-12-21 15:18:23,878 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 239 [2021-12-21 15:18:23,880 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 405 places, 638 transitions, 4305 flow. Second operand has 24 states, 24 states have (on average 165.375) internal successors, (3969), 24 states have internal predecessors, (3969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:18:23,880 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 15:18:23,880 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 239 [2021-12-21 15:18:23,880 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 15:18:29,332 INFO L129 PetriNetUnfolder]: 8793/16977 cut-off events. [2021-12-21 15:18:29,332 INFO L130 PetriNetUnfolder]: For 100175/100185 co-relation queries the response was YES. [2021-12-21 15:18:29,648 INFO L84 FinitePrefix]: Finished finitePrefix Result has 65268 conditions, 16977 events. 8793/16977 cut-off events. For 100175/100185 co-relation queries the response was YES. Maximal size of possible extension queue 474. Compared 136183 event pairs, 2480 based on Foata normal form. 7/15644 useless extension candidates. Maximal degree in co-relation 65158. Up to 9127 conditions per place. [2021-12-21 15:18:29,737 INFO L132 encePairwiseOnDemand]: 216/239 looper letters, 680 selfloop transitions, 291 changer transitions 22/1128 dead transitions. [2021-12-21 15:18:29,738 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 452 places, 1128 transitions, 9660 flow [2021-12-21 15:18:29,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-12-21 15:18:29,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2021-12-21 15:18:29,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 8956 transitions. [2021-12-21 15:18:29,744 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7206308336015449 [2021-12-21 15:18:29,744 INFO L72 ComplementDD]: Start complementDD. Operand 52 states and 8956 transitions. [2021-12-21 15:18:29,745 INFO L73 IsDeterministic]: Start isDeterministic. Operand 52 states and 8956 transitions. [2021-12-21 15:18:29,747 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 15:18:29,747 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 52 states and 8956 transitions. [2021-12-21 15:18:29,755 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 53 states, 52 states have (on average 172.23076923076923) internal successors, (8956), 52 states have internal predecessors, (8956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:18:29,767 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 53 states, 53 states have (on average 239.0) internal successors, (12667), 53 states have internal predecessors, (12667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:18:29,770 INFO L81 ComplementDD]: Finished complementDD. Result has 53 states, 53 states have (on average 239.0) internal successors, (12667), 53 states have internal predecessors, (12667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:18:29,770 INFO L186 Difference]: Start difference. First operand has 405 places, 638 transitions, 4305 flow. Second operand 52 states and 8956 transitions. [2021-12-21 15:18:29,770 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 452 places, 1128 transitions, 9660 flow [2021-12-21 15:18:30,215 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 446 places, 1128 transitions, 8910 flow, removed 345 selfloop flow, removed 6 redundant places. [2021-12-21 15:18:30,225 INFO L242 Difference]: Finished difference. Result has 463 places, 851 transitions, 6539 flow [2021-12-21 15:18:30,226 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=3677, PETRI_DIFFERENCE_MINUEND_PLACES=395, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=638, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=105, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=510, PETRI_DIFFERENCE_SUBTRAHEND_STATES=52, PETRI_FLOW=6539, PETRI_PLACES=463, PETRI_TRANSITIONS=851} [2021-12-21 15:18:30,226 INFO L334 CegarLoopForPetriNet]: 209 programPoint places, 254 predicate places. [2021-12-21 15:18:30,226 INFO L470 AbstractCegarLoop]: Abstraction has has 463 places, 851 transitions, 6539 flow [2021-12-21 15:18:30,227 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 165.375) internal successors, (3969), 24 states have internal predecessors, (3969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:18:30,228 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:18:30,228 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:18:30,228 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-21 15:18:30,228 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATION, thread1Err6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2021-12-21 15:18:30,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:18:30,228 INFO L85 PathProgramCache]: Analyzing trace with hash -653315748, now seen corresponding path program 7 times [2021-12-21 15:18:30,229 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:18:30,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118075898] [2021-12-21 15:18:30,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:18:30,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:18:30,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:18:30,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 15:18:30,801 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:18:30,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118075898] [2021-12-21 15:18:30,801 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118075898] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:18:30,801 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:18:30,801 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2021-12-21 15:18:30,801 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101015816] [2021-12-21 15:18:30,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:18:30,802 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-12-21 15:18:30,802 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:18:30,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-12-21 15:18:30,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=455, Unknown=0, NotChecked=0, Total=506 [2021-12-21 15:18:30,804 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 239 [2021-12-21 15:18:30,806 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 463 places, 851 transitions, 6539 flow. Second operand has 23 states, 23 states have (on average 165.47826086956522) internal successors, (3806), 23 states have internal predecessors, (3806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:18:30,806 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 15:18:30,806 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 239 [2021-12-21 15:18:30,806 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 15:18:37,831 INFO L129 PetriNetUnfolder]: 10480/20224 cut-off events. [2021-12-21 15:18:37,831 INFO L130 PetriNetUnfolder]: For 176675/176688 co-relation queries the response was YES. [2021-12-21 15:18:38,148 INFO L84 FinitePrefix]: Finished finitePrefix Result has 83666 conditions, 20224 events. 10480/20224 cut-off events. For 176675/176688 co-relation queries the response was YES. Maximal size of possible extension queue 590. Compared 166871 event pairs, 2952 based on Foata normal form. 10/18588 useless extension candidates. Maximal degree in co-relation 83532. Up to 9769 conditions per place. [2021-12-21 15:18:38,250 INFO L132 encePairwiseOnDemand]: 216/239 looper letters, 756 selfloop transitions, 367 changer transitions 22/1280 dead transitions. [2021-12-21 15:18:38,250 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 512 places, 1280 transitions, 12512 flow [2021-12-21 15:18:38,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-12-21 15:18:38,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2021-12-21 15:18:38,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 9309 transitions. [2021-12-21 15:18:38,258 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7212924221292422 [2021-12-21 15:18:38,258 INFO L72 ComplementDD]: Start complementDD. Operand 54 states and 9309 transitions. [2021-12-21 15:18:38,258 INFO L73 IsDeterministic]: Start isDeterministic. Operand 54 states and 9309 transitions. [2021-12-21 15:18:38,261 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 15:18:38,261 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 54 states and 9309 transitions. [2021-12-21 15:18:38,270 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 55 states, 54 states have (on average 172.38888888888889) internal successors, (9309), 54 states have internal predecessors, (9309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:18:38,282 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 55 states, 55 states have (on average 239.0) internal successors, (13145), 55 states have internal predecessors, (13145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:18:38,285 INFO L81 ComplementDD]: Finished complementDD. Result has 55 states, 55 states have (on average 239.0) internal successors, (13145), 55 states have internal predecessors, (13145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:18:38,285 INFO L186 Difference]: Start difference. First operand has 463 places, 851 transitions, 6539 flow. Second operand 54 states and 9309 transitions. [2021-12-21 15:18:38,285 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 512 places, 1280 transitions, 12512 flow [2021-12-21 15:18:39,325 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 507 places, 1280 transitions, 11706 flow, removed 401 selfloop flow, removed 5 redundant places. [2021-12-21 15:18:39,339 INFO L242 Difference]: Finished difference. Result has 531 places, 978 transitions, 8576 flow [2021-12-21 15:18:39,340 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=5859, PETRI_DIFFERENCE_MINUEND_PLACES=454, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=851, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=255, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=581, PETRI_DIFFERENCE_SUBTRAHEND_STATES=54, PETRI_FLOW=8576, PETRI_PLACES=531, PETRI_TRANSITIONS=978} [2021-12-21 15:18:39,341 INFO L334 CegarLoopForPetriNet]: 209 programPoint places, 322 predicate places. [2021-12-21 15:18:39,341 INFO L470 AbstractCegarLoop]: Abstraction has has 531 places, 978 transitions, 8576 flow [2021-12-21 15:18:39,342 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 165.47826086956522) internal successors, (3806), 23 states have internal predecessors, (3806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:18:39,342 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:18:39,342 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:18:39,342 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-21 15:18:39,342 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATION, thread1Err6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2021-12-21 15:18:39,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:18:39,343 INFO L85 PathProgramCache]: Analyzing trace with hash -88221392, now seen corresponding path program 8 times [2021-12-21 15:18:39,343 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:18:39,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974908746] [2021-12-21 15:18:39,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:18:39,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:18:39,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:18:39,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 15:18:39,808 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:18:39,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974908746] [2021-12-21 15:18:39,808 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974908746] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:18:39,808 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:18:39,808 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2021-12-21 15:18:39,808 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801776241] [2021-12-21 15:18:39,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:18:39,808 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-12-21 15:18:39,809 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:18:39,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-12-21 15:18:39,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=494, Unknown=0, NotChecked=0, Total=552 [2021-12-21 15:18:39,810 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 239 [2021-12-21 15:18:39,812 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 531 places, 978 transitions, 8576 flow. Second operand has 24 states, 24 states have (on average 165.375) internal successors, (3969), 24 states have internal predecessors, (3969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:18:39,813 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 15:18:39,813 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 239 [2021-12-21 15:18:39,813 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 15:18:47,031 INFO L129 PetriNetUnfolder]: 11684/22608 cut-off events. [2021-12-21 15:18:47,032 INFO L130 PetriNetUnfolder]: For 290640/290655 co-relation queries the response was YES. [2021-12-21 15:18:47,917 INFO L84 FinitePrefix]: Finished finitePrefix Result has 101032 conditions, 22608 events. 11684/22608 cut-off events. For 290640/290655 co-relation queries the response was YES. Maximal size of possible extension queue 637. Compared 191106 event pairs, 3089 based on Foata normal form. 12/20706 useless extension candidates. Maximal degree in co-relation 100866. Up to 11777 conditions per place. [2021-12-21 15:18:48,040 INFO L132 encePairwiseOnDemand]: 216/239 looper letters, 847 selfloop transitions, 372 changer transitions 22/1376 dead transitions. [2021-12-21 15:18:48,040 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 576 places, 1376 transitions, 14517 flow [2021-12-21 15:18:48,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-12-21 15:18:48,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2021-12-21 15:18:48,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 8602 transitions. [2021-12-21 15:18:48,046 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7198326359832636 [2021-12-21 15:18:48,046 INFO L72 ComplementDD]: Start complementDD. Operand 50 states and 8602 transitions. [2021-12-21 15:18:48,047 INFO L73 IsDeterministic]: Start isDeterministic. Operand 50 states and 8602 transitions. [2021-12-21 15:18:48,048 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 15:18:48,048 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 50 states and 8602 transitions. [2021-12-21 15:18:48,055 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 51 states, 50 states have (on average 172.04) internal successors, (8602), 50 states have internal predecessors, (8602), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:18:48,062 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 51 states, 51 states have (on average 239.0) internal successors, (12189), 51 states have internal predecessors, (12189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:18:48,063 INFO L81 ComplementDD]: Finished complementDD. Result has 51 states, 51 states have (on average 239.0) internal successors, (12189), 51 states have internal predecessors, (12189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:18:48,063 INFO L186 Difference]: Start difference. First operand has 531 places, 978 transitions, 8576 flow. Second operand 50 states and 8602 transitions. [2021-12-21 15:18:48,063 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 576 places, 1376 transitions, 14517 flow [2021-12-21 15:18:50,026 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 569 places, 1376 transitions, 13519 flow, removed 456 selfloop flow, removed 7 redundant places. [2021-12-21 15:18:50,042 INFO L242 Difference]: Finished difference. Result has 580 places, 1112 transitions, 10398 flow [2021-12-21 15:18:50,043 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=7612, PETRI_DIFFERENCE_MINUEND_PLACES=520, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=978, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=253, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=717, PETRI_DIFFERENCE_SUBTRAHEND_STATES=50, PETRI_FLOW=10398, PETRI_PLACES=580, PETRI_TRANSITIONS=1112} [2021-12-21 15:18:50,044 INFO L334 CegarLoopForPetriNet]: 209 programPoint places, 371 predicate places. [2021-12-21 15:18:50,044 INFO L470 AbstractCegarLoop]: Abstraction has has 580 places, 1112 transitions, 10398 flow [2021-12-21 15:18:50,045 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 165.375) internal successors, (3969), 24 states have internal predecessors, (3969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:18:50,045 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:18:50,045 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:18:50,045 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-21 15:18:50,045 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATION, thread1Err6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2021-12-21 15:18:50,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:18:50,046 INFO L85 PathProgramCache]: Analyzing trace with hash -1546862930, now seen corresponding path program 9 times [2021-12-21 15:18:50,046 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:18:50,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648734313] [2021-12-21 15:18:50,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:18:50,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:18:50,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:18:50,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 15:18:50,558 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:18:50,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648734313] [2021-12-21 15:18:50,558 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648734313] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:18:50,558 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:18:50,558 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2021-12-21 15:18:50,558 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368856306] [2021-12-21 15:18:50,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:18:50,559 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-12-21 15:18:50,559 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:18:50,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-12-21 15:18:50,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=492, Unknown=0, NotChecked=0, Total=552 [2021-12-21 15:18:50,561 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 239 [2021-12-21 15:18:50,563 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 580 places, 1112 transitions, 10398 flow. Second operand has 24 states, 24 states have (on average 165.375) internal successors, (3969), 24 states have internal predecessors, (3969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:18:50,563 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 15:18:50,563 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 239 [2021-12-21 15:18:50,563 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand