./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/safe035_power.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e19ca921 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-wmm/safe035_power.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6415bffc70cf05f8f6460106962f2f9c59b321fd2fc94a45894cc3c1f3d85b66 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 13:32:52,957 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 13:32:52,982 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 13:32:53,000 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 13:32:53,001 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 13:32:53,002 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 13:32:53,003 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 13:32:53,004 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 13:32:53,006 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 13:32:53,006 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 13:32:53,007 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 13:32:53,008 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 13:32:53,008 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 13:32:53,009 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 13:32:53,010 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 13:32:53,011 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 13:32:53,011 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 13:32:53,012 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 13:32:53,013 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 13:32:53,015 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 13:32:53,016 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 13:32:53,017 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 13:32:53,017 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 13:32:53,018 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 13:32:53,020 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 13:32:53,020 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 13:32:53,020 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 13:32:53,021 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 13:32:53,021 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 13:32:53,022 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 13:32:53,022 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 13:32:53,023 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 13:32:53,023 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 13:32:53,024 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 13:32:53,025 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 13:32:53,025 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 13:32:53,025 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 13:32:53,025 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 13:32:53,026 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 13:32:53,026 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 13:32:53,027 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 13:32:53,028 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-22 13:32:53,042 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 13:32:53,042 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 13:32:53,043 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 13:32:53,043 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 13:32:53,044 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 13:32:53,044 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 13:32:53,044 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 13:32:53,044 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 13:32:53,045 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 13:32:53,045 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 13:32:53,045 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-22 13:32:53,045 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 13:32:53,045 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-22 13:32:53,046 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 13:32:53,046 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 13:32:53,046 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 13:32:53,046 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 13:32:53,046 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-22 13:32:53,047 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 13:32:53,047 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 13:32:53,047 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 13:32:53,047 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 13:32:53,047 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 13:32:53,048 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 13:32:53,048 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 13:32:53,048 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 13:32:53,048 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 13:32:53,048 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 13:32:53,049 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 13:32:53,049 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 13:32:53,049 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 13:32:53,049 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 13:32:53,049 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 13:32:53,049 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 13:32:53,050 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6415bffc70cf05f8f6460106962f2f9c59b321fd2fc94a45894cc3c1f3d85b66 [2021-12-22 13:32:53,218 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 13:32:53,237 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 13:32:53,239 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 13:32:53,240 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 13:32:53,240 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 13:32:53,241 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe035_power.i [2021-12-22 13:32:53,293 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d68aeb37/08931cedc4b44e64b09d49dd9236cc07/FLAG9ced81b18 [2021-12-22 13:32:53,727 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 13:32:53,728 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe035_power.i [2021-12-22 13:32:53,738 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d68aeb37/08931cedc4b44e64b09d49dd9236cc07/FLAG9ced81b18 [2021-12-22 13:32:53,751 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d68aeb37/08931cedc4b44e64b09d49dd9236cc07 [2021-12-22 13:32:53,757 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 13:32:53,758 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 13:32:53,760 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 13:32:53,760 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 13:32:53,762 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 13:32:53,762 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 01:32:53" (1/1) ... [2021-12-22 13:32:53,764 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e55f444 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:32:53, skipping insertion in model container [2021-12-22 13:32:53,764 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 01:32:53" (1/1) ... [2021-12-22 13:32:53,768 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 13:32:53,803 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 13:32:53,939 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe035_power.i[947,960] [2021-12-22 13:32:54,067 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 13:32:54,072 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 13:32:54,080 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe035_power.i[947,960] [2021-12-22 13:32:54,119 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 13:32:54,140 INFO L208 MainTranslator]: Completed translation [2021-12-22 13:32:54,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:32:54 WrapperNode [2021-12-22 13:32:54,141 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 13:32:54,142 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 13:32:54,142 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 13:32:54,142 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 13:32:54,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:32:54" (1/1) ... [2021-12-22 13:32:54,174 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:32:54" (1/1) ... [2021-12-22 13:32:54,203 INFO L137 Inliner]: procedures = 176, calls = 60, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 484 [2021-12-22 13:32:54,204 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 13:32:54,204 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 13:32:54,205 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 13:32:54,205 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 13:32:54,215 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:32:54" (1/1) ... [2021-12-22 13:32:54,216 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:32:54" (1/1) ... [2021-12-22 13:32:54,221 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:32:54" (1/1) ... [2021-12-22 13:32:54,231 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:32:54" (1/1) ... [2021-12-22 13:32:54,245 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:32:54" (1/1) ... [2021-12-22 13:32:54,256 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:32:54" (1/1) ... [2021-12-22 13:32:54,264 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:32:54" (1/1) ... [2021-12-22 13:32:54,268 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 13:32:54,273 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 13:32:54,274 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 13:32:54,274 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 13:32:54,275 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:32:54" (1/1) ... [2021-12-22 13:32:54,281 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 13:32:54,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 13:32:54,300 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) [2021-12-22 13:32:54,318 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 [2021-12-22 13:32:54,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 13:32:54,331 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-22 13:32:54,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 13:32:54,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 13:32:54,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 13:32:54,332 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-12-22 13:32:54,332 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-12-22 13:32:54,332 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-12-22 13:32:54,332 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-12-22 13:32:54,332 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-12-22 13:32:54,333 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-12-22 13:32:54,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 13:32:54,333 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-22 13:32:54,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 13:32:54,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 13:32:54,335 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-22 13:32:54,483 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 13:32:54,498 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 13:32:55,082 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 13:32:55,599 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 13:32:55,600 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-22 13:32:55,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 01:32:55 BoogieIcfgContainer [2021-12-22 13:32:55,602 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 13:32:55,604 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 13:32:55,604 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 13:32:55,607 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 13:32:55,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 01:32:53" (1/3) ... [2021-12-22 13:32:55,608 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10a4afcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 01:32:55, skipping insertion in model container [2021-12-22 13:32:55,608 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:32:54" (2/3) ... [2021-12-22 13:32:55,608 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10a4afcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 01:32:55, skipping insertion in model container [2021-12-22 13:32:55,608 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 01:32:55" (3/3) ... [2021-12-22 13:32:55,609 INFO L111 eAbstractionObserver]: Analyzing ICFG safe035_power.i [2021-12-22 13:32:55,612 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-22 13:32:55,613 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 13:32:55,613 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-12-22 13:32:55,613 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-22 13:32:55,661 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,662 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,662 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,662 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,662 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,662 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,662 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,663 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,663 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,663 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,664 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,664 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,664 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,664 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,664 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,665 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,665 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,665 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,665 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,666 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,666 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,666 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,667 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,667 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,667 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,668 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,668 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,668 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,668 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,668 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,669 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,669 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,669 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,669 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,669 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,669 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,670 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,670 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,670 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,670 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,671 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,671 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,671 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,671 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,671 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,672 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,672 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,672 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,672 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,672 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,672 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,672 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,672 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,673 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,673 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,673 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,673 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,673 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,674 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,674 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,674 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,674 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,675 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,675 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,675 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,675 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,675 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,675 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,676 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,676 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,676 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,676 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,676 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,676 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,676 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,676 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,677 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,677 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,678 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,678 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,680 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,680 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,680 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,680 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,681 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,681 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,681 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,681 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,681 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,687 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,687 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,687 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,687 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,687 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,687 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,687 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,688 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,688 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,688 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,688 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,689 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,689 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,690 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,690 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,690 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,690 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,690 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,690 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,690 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,690 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,691 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,691 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,691 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,691 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,691 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,692 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,692 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,692 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,692 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,692 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,692 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,692 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,692 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,692 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,693 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,693 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,693 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,693 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,693 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,693 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,693 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,693 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,693 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,694 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,694 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,694 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,694 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,694 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,696 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,696 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,696 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,696 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,696 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,696 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,697 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,697 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,697 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,697 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,698 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,698 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,698 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,698 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,699 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,700 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,700 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,700 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,700 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,701 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,701 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,701 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,701 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,701 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,701 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,701 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,701 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,702 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,702 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,702 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,702 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,702 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,702 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,703 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,703 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,703 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,703 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,703 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,703 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,703 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,703 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,704 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,704 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,704 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,704 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,704 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,705 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,705 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,705 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,705 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite76#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,705 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,705 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite66#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,706 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite61#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,706 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite72#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,706 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite69#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,706 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite70#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,706 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite75#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,706 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite67#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,706 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite64#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,706 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,706 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite73#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,707 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite60#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,707 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite58#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,707 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,707 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite76#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,707 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite68#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,707 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,707 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite72#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,708 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite59#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,710 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite69#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,710 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite77#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,710 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite64#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,710 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,711 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite73#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,711 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite60#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,711 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite65#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,711 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite78#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,711 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite66#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,712 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite61#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,713 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite74#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,713 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite70#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,713 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite75#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,713 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite62#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,713 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite67#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,713 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite58#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,713 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite71#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,715 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,715 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite76#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,715 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,715 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite66#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,715 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite61#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,716 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite72#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,716 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite69#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,716 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite70#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,716 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite75#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,716 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite67#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,716 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite64#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,717 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,717 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite73#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,717 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite60#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,717 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite58#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,717 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,717 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite76#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,718 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite68#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,718 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,718 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite72#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,718 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite59#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,718 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite69#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,718 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite77#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,718 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite64#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,718 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,718 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite73#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,719 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite60#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,721 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite65#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,721 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite78#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,721 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite66#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,721 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite61#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,721 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite74#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,721 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite70#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,721 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite75#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,721 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite62#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,721 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite67#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,721 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite58#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,721 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite71#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,723 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite79#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,723 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite82#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,723 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite79#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,723 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite83#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,724 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite81#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,724 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite80#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,724 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite84#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,724 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite79#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,724 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite82#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,724 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite79#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,724 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite83#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,725 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite81#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,725 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite80#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,725 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite84#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,725 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,725 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,726 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,726 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,728 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,728 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,728 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,728 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,729 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,729 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,729 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,729 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,729 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,729 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,729 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,729 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,730 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,730 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,730 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,730 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,731 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,731 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,731 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,731 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,731 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,731 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,731 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,732 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,732 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,732 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,732 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,732 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,732 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,732 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,732 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,733 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,733 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,733 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,733 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,733 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,733 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,733 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,733 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,734 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,734 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,734 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,734 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,734 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,734 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,734 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,734 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,735 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,735 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,735 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,735 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,735 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,735 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,735 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,735 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,736 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,736 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite82#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,736 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,736 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite79#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,737 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite66#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,737 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite73#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,737 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,737 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite60#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,737 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite64#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,738 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite81#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,738 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite58#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,738 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,738 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite80#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,738 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,738 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite72#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,738 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite67#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,739 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,739 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,739 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite76#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,739 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite71#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,739 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite68#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,739 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite59#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,739 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite84#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,739 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,739 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,740 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite75#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,740 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite62#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,740 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,740 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite77#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,740 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite69#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,740 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite70#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,740 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,740 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,741 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite83#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,741 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite61#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,741 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,741 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,741 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite74#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,741 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,741 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite65#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,741 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite78#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:32:55,742 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-12-22 13:32:55,816 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 13:32:55,820 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 [2021-12-22 13:32:55,821 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-12-22 13:32:55,828 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 127 places, 119 transitions, 253 flow [2021-12-22 13:32:55,860 INFO L129 PetriNetUnfolder]: 2/116 cut-off events. [2021-12-22 13:32:55,861 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-22 13:32:55,863 INFO L84 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 116 events. 2/116 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 64 event pairs, 0 based on Foata normal form. 0/112 useless extension candidates. Maximal degree in co-relation 76. Up to 2 conditions per place. [2021-12-22 13:32:55,863 INFO L82 GeneralOperation]: Start removeDead. Operand has 127 places, 119 transitions, 253 flow [2021-12-22 13:32:55,866 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 124 places, 116 transitions, 241 flow [2021-12-22 13:32:55,879 INFO L129 PetriNetUnfolder]: 0/78 cut-off events. [2021-12-22 13:32:55,879 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-22 13:32:55,879 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-22 13:32:55,880 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] [2021-12-22 13:32:55,880 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P2Err0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-12-22 13:32:55,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 13:32:55,884 INFO L85 PathProgramCache]: Analyzing trace with hash 159138810, now seen corresponding path program 1 times [2021-12-22 13:32:55,890 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 13:32:55,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872765757] [2021-12-22 13:32:55,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:32:55,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 13:32:56,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:32:56,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 13:32:56,206 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 13:32:56,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872765757] [2021-12-22 13:32:56,206 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872765757] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 13:32:56,206 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 13:32:56,207 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-22 13:32:56,208 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008613821] [2021-12-22 13:32:56,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 13:32:56,214 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 13:32:56,214 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 13:32:56,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 13:32:56,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 13:32:56,255 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 119 [2021-12-22 13:32:56,257 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 116 transitions, 241 flow. Second operand has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:32:56,257 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-22 13:32:56,257 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 119 [2021-12-22 13:32:56,258 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-22 13:32:56,613 INFO L129 PetriNetUnfolder]: 359/1823 cut-off events. [2021-12-22 13:32:56,615 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-12-22 13:32:56,622 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2415 conditions, 1823 events. 359/1823 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 15943 event pairs, 131 based on Foata normal form. 92/1812 useless extension candidates. Maximal degree in co-relation 2362. Up to 445 conditions per place. [2021-12-22 13:32:56,630 INFO L132 encePairwiseOnDemand]: 114/119 looper letters, 20 selfloop transitions, 2 changer transitions 0/119 dead transitions. [2021-12-22 13:32:56,631 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 119 transitions, 291 flow [2021-12-22 13:32:56,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 13:32:56,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-22 13:32:56,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 327 transitions. [2021-12-22 13:32:56,645 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9159663865546218 [2021-12-22 13:32:56,645 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 327 transitions. [2021-12-22 13:32:56,646 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 327 transitions. [2021-12-22 13:32:56,648 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 13:32:56,650 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 327 transitions. [2021-12-22 13:32:56,653 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 109.0) internal successors, (327), 3 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:32:56,663 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 119.0) internal successors, (476), 4 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:32:56,664 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 119.0) internal successors, (476), 4 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:32:56,665 INFO L186 Difference]: Start difference. First operand has 124 places, 116 transitions, 241 flow. Second operand 3 states and 327 transitions. [2021-12-22 13:32:56,666 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 119 transitions, 291 flow [2021-12-22 13:32:56,671 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 119 transitions, 288 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-12-22 13:32:56,674 INFO L242 Difference]: Finished difference. Result has 121 places, 112 transitions, 234 flow [2021-12-22 13:32:56,676 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=230, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=234, PETRI_PLACES=121, PETRI_TRANSITIONS=112} [2021-12-22 13:32:56,681 INFO L334 CegarLoopForPetriNet]: 124 programPoint places, -3 predicate places. [2021-12-22 13:32:56,682 INFO L470 AbstractCegarLoop]: Abstraction has has 121 places, 112 transitions, 234 flow [2021-12-22 13:32:56,682 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:32:56,682 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-22 13:32:56,682 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 13:32:56,683 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 13:32:56,683 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-12-22 13:32:56,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 13:32:56,684 INFO L85 PathProgramCache]: Analyzing trace with hash -1597697283, now seen corresponding path program 1 times [2021-12-22 13:32:56,684 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 13:32:56,684 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155510756] [2021-12-22 13:32:56,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:32:56,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 13:32:56,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:32:56,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 13:32:56,917 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 13:32:56,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155510756] [2021-12-22 13:32:56,917 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155510756] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 13:32:56,918 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 13:32:56,918 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 13:32:56,918 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950645894] [2021-12-22 13:32:56,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 13:32:56,919 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 13:32:56,919 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 13:32:56,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 13:32:56,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 13:32:56,921 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 119 [2021-12-22 13:32:56,921 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 112 transitions, 234 flow. Second operand has 6 states, 6 states have (on average 95.83333333333333) internal successors, (575), 6 states have internal predecessors, (575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:32:56,922 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-22 13:32:56,922 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 119 [2021-12-22 13:32:56,922 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-22 13:32:57,530 INFO L129 PetriNetUnfolder]: 1143/2848 cut-off events. [2021-12-22 13:32:57,530 INFO L130 PetriNetUnfolder]: For 84/84 co-relation queries the response was YES. [2021-12-22 13:32:57,536 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4692 conditions, 2848 events. 1143/2848 cut-off events. For 84/84 co-relation queries the response was YES. Maximal size of possible extension queue 156. Compared 22066 event pairs, 206 based on Foata normal form. 0/2781 useless extension candidates. Maximal degree in co-relation 4639. Up to 561 conditions per place. [2021-12-22 13:32:57,541 INFO L132 encePairwiseOnDemand]: 113/119 looper letters, 24 selfloop transitions, 2 changer transitions 63/169 dead transitions. [2021-12-22 13:32:57,541 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 169 transitions, 510 flow [2021-12-22 13:32:57,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-22 13:32:57,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-22 13:32:57,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 926 transitions. [2021-12-22 13:32:57,544 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8646125116713352 [2021-12-22 13:32:57,544 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 926 transitions. [2021-12-22 13:32:57,544 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 926 transitions. [2021-12-22 13:32:57,545 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 13:32:57,545 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 926 transitions. [2021-12-22 13:32:57,547 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 102.88888888888889) internal successors, (926), 9 states have internal predecessors, (926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:32:57,549 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 119.0) internal successors, (1190), 10 states have internal predecessors, (1190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:32:57,550 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 119.0) internal successors, (1190), 10 states have internal predecessors, (1190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:32:57,550 INFO L186 Difference]: Start difference. First operand has 121 places, 112 transitions, 234 flow. Second operand 9 states and 926 transitions. [2021-12-22 13:32:57,550 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 169 transitions, 510 flow [2021-12-22 13:32:57,551 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 169 transitions, 500 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-12-22 13:32:57,553 INFO L242 Difference]: Finished difference. Result has 134 places, 100 transitions, 226 flow [2021-12-22 13:32:57,554 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=230, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=226, PETRI_PLACES=134, PETRI_TRANSITIONS=100} [2021-12-22 13:32:57,554 INFO L334 CegarLoopForPetriNet]: 124 programPoint places, 10 predicate places. [2021-12-22 13:32:57,554 INFO L470 AbstractCegarLoop]: Abstraction has has 134 places, 100 transitions, 226 flow [2021-12-22 13:32:57,555 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 95.83333333333333) internal successors, (575), 6 states have internal predecessors, (575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:32:57,555 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-22 13:32:57,555 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] [2021-12-22 13:32:57,555 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-22 13:32:57,556 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-12-22 13:32:57,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 13:32:57,556 INFO L85 PathProgramCache]: Analyzing trace with hash 1540814522, now seen corresponding path program 1 times [2021-12-22 13:32:57,556 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 13:32:57,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833323937] [2021-12-22 13:32:57,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:32:57,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 13:32:57,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:32:57,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 13:32:57,821 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 13:32:57,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833323937] [2021-12-22 13:32:57,822 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833323937] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 13:32:57,822 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 13:32:57,822 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-22 13:32:57,822 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046612442] [2021-12-22 13:32:57,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 13:32:57,823 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-22 13:32:57,823 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 13:32:57,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-22 13:32:57,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-12-22 13:32:57,825 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 119 [2021-12-22 13:32:57,826 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 100 transitions, 226 flow. Second operand has 8 states, 8 states have (on average 92.125) internal successors, (737), 8 states have internal predecessors, (737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:32:57,826 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-22 13:32:57,826 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 119 [2021-12-22 13:32:57,827 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-22 13:32:58,494 INFO L129 PetriNetUnfolder]: 1189/2301 cut-off events. [2021-12-22 13:32:58,497 INFO L130 PetriNetUnfolder]: For 478/478 co-relation queries the response was YES. [2021-12-22 13:32:58,501 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4722 conditions, 2301 events. 1189/2301 cut-off events. For 478/478 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 14053 event pairs, 463 based on Foata normal form. 47/2261 useless extension candidates. Maximal degree in co-relation 4659. Up to 1134 conditions per place. [2021-12-22 13:32:58,508 INFO L132 encePairwiseOnDemand]: 105/119 looper letters, 26 selfloop transitions, 15 changer transitions 49/166 dead transitions. [2021-12-22 13:32:58,508 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 166 transitions, 559 flow [2021-12-22 13:32:58,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-22 13:32:58,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-12-22 13:32:58,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 992 transitions. [2021-12-22 13:32:58,510 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8336134453781513 [2021-12-22 13:32:58,510 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 992 transitions. [2021-12-22 13:32:58,511 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 992 transitions. [2021-12-22 13:32:58,511 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 13:32:58,511 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 992 transitions. [2021-12-22 13:32:58,513 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 99.2) internal successors, (992), 10 states have internal predecessors, (992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:32:58,515 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 119.0) internal successors, (1309), 11 states have internal predecessors, (1309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:32:58,515 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 119.0) internal successors, (1309), 11 states have internal predecessors, (1309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:32:58,515 INFO L186 Difference]: Start difference. First operand has 134 places, 100 transitions, 226 flow. Second operand 10 states and 992 transitions. [2021-12-22 13:32:58,515 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 166 transitions, 559 flow [2021-12-22 13:32:58,526 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 166 transitions, 525 flow, removed 14 selfloop flow, removed 8 redundant places. [2021-12-22 13:32:58,530 INFO L242 Difference]: Finished difference. Result has 125 places, 114 transitions, 328 flow [2021-12-22 13:32:58,530 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=210, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=328, PETRI_PLACES=125, PETRI_TRANSITIONS=114} [2021-12-22 13:32:58,532 INFO L334 CegarLoopForPetriNet]: 124 programPoint places, 1 predicate places. [2021-12-22 13:32:58,532 INFO L470 AbstractCegarLoop]: Abstraction has has 125 places, 114 transitions, 328 flow [2021-12-22 13:32:58,533 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 92.125) internal successors, (737), 8 states have internal predecessors, (737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:32:58,533 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-22 13:32:58,533 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] [2021-12-22 13:32:58,533 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-22 13:32:58,534 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-12-22 13:32:58,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 13:32:58,534 INFO L85 PathProgramCache]: Analyzing trace with hash 243236602, now seen corresponding path program 2 times [2021-12-22 13:32:58,534 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 13:32:58,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614216112] [2021-12-22 13:32:58,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:32:58,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 13:32:58,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:32:58,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 13:32:58,839 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 13:32:58,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614216112] [2021-12-22 13:32:58,839 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614216112] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 13:32:58,840 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 13:32:58,840 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-12-22 13:32:58,840 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053859570] [2021-12-22 13:32:58,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 13:32:58,840 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-22 13:32:58,840 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 13:32:58,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-22 13:32:58,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2021-12-22 13:32:58,842 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 119 [2021-12-22 13:32:58,843 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 114 transitions, 328 flow. Second operand has 12 states, 12 states have (on average 88.66666666666667) internal successors, (1064), 12 states have internal predecessors, (1064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:32:58,843 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-22 13:32:58,843 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 119 [2021-12-22 13:32:58,843 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-22 13:32:59,758 INFO L129 PetriNetUnfolder]: 1317/2579 cut-off events. [2021-12-22 13:32:59,758 INFO L130 PetriNetUnfolder]: For 3988/10918 co-relation queries the response was YES. [2021-12-22 13:32:59,765 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8212 conditions, 2579 events. 1317/2579 cut-off events. For 3988/10918 co-relation queries the response was YES. Maximal size of possible extension queue 184. Compared 16892 event pairs, 462 based on Foata normal form. 38/2510 useless extension candidates. Maximal degree in co-relation 8145. Up to 1229 conditions per place. [2021-12-22 13:32:59,777 INFO L132 encePairwiseOnDemand]: 102/119 looper letters, 56 selfloop transitions, 22 changer transitions 25/176 dead transitions. [2021-12-22 13:32:59,778 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 176 transitions, 871 flow [2021-12-22 13:32:59,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-22 13:32:59,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-12-22 13:32:59,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1038 transitions. [2021-12-22 13:32:59,780 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7929717341482048 [2021-12-22 13:32:59,780 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1038 transitions. [2021-12-22 13:32:59,781 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1038 transitions. [2021-12-22 13:32:59,781 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 13:32:59,781 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1038 transitions. [2021-12-22 13:32:59,783 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 94.36363636363636) internal successors, (1038), 11 states have internal predecessors, (1038), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:32:59,784 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 119.0) internal successors, (1428), 12 states have internal predecessors, (1428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:32:59,785 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 119.0) internal successors, (1428), 12 states have internal predecessors, (1428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:32:59,785 INFO L186 Difference]: Start difference. First operand has 125 places, 114 transitions, 328 flow. Second operand 11 states and 1038 transitions. [2021-12-22 13:32:59,785 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 176 transitions, 871 flow [2021-12-22 13:32:59,790 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 176 transitions, 861 flow, removed 5 selfloop flow, removed 3 redundant places. [2021-12-22 13:32:59,792 INFO L242 Difference]: Finished difference. Result has 133 places, 135 transitions, 555 flow [2021-12-22 13:32:59,792 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=322, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=96, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=555, PETRI_PLACES=133, PETRI_TRANSITIONS=135} [2021-12-22 13:32:59,793 INFO L334 CegarLoopForPetriNet]: 124 programPoint places, 9 predicate places. [2021-12-22 13:32:59,793 INFO L470 AbstractCegarLoop]: Abstraction has has 133 places, 135 transitions, 555 flow [2021-12-22 13:32:59,794 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 88.66666666666667) internal successors, (1064), 12 states have internal predecessors, (1064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:32:59,794 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-22 13:32:59,794 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] [2021-12-22 13:32:59,794 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-22 13:32:59,794 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-12-22 13:32:59,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 13:32:59,795 INFO L85 PathProgramCache]: Analyzing trace with hash -1885551681, now seen corresponding path program 1 times [2021-12-22 13:32:59,795 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 13:32:59,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258354537] [2021-12-22 13:32:59,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:32:59,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 13:32:59,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:33:00,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 13:33:00,078 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 13:33:00,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258354537] [2021-12-22 13:33:00,078 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258354537] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 13:33:00,078 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 13:33:00,078 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-12-22 13:33:00,078 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716635352] [2021-12-22 13:33:00,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 13:33:00,079 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-22 13:33:00,079 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 13:33:00,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-22 13:33:00,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2021-12-22 13:33:00,081 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 119 [2021-12-22 13:33:00,082 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 135 transitions, 555 flow. Second operand has 14 states, 14 states have (on average 87.57142857142857) internal successors, (1226), 14 states have internal predecessors, (1226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:33:00,082 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-22 13:33:00,082 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 119 [2021-12-22 13:33:00,082 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-22 13:33:00,847 INFO L129 PetriNetUnfolder]: 1159/2448 cut-off events. [2021-12-22 13:33:00,847 INFO L130 PetriNetUnfolder]: For 5729/13174 co-relation queries the response was YES. [2021-12-22 13:33:00,857 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8921 conditions, 2448 events. 1159/2448 cut-off events. For 5729/13174 co-relation queries the response was YES. Maximal size of possible extension queue 187. Compared 16699 event pairs, 494 based on Foata normal form. 29/2334 useless extension candidates. Maximal degree in co-relation 8845. Up to 1581 conditions per place. [2021-12-22 13:33:00,870 INFO L132 encePairwiseOnDemand]: 103/119 looper letters, 61 selfloop transitions, 30 changer transitions 37/200 dead transitions. [2021-12-22 13:33:00,871 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 200 transitions, 1263 flow [2021-12-22 13:33:00,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-22 13:33:00,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-12-22 13:33:00,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1378 transitions. [2021-12-22 13:33:00,874 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7719887955182073 [2021-12-22 13:33:00,874 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1378 transitions. [2021-12-22 13:33:00,875 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1378 transitions. [2021-12-22 13:33:00,875 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 13:33:00,875 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1378 transitions. [2021-12-22 13:33:00,877 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 91.86666666666666) internal successors, (1378), 15 states have internal predecessors, (1378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:33:00,880 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 119.0) internal successors, (1904), 16 states have internal predecessors, (1904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:33:00,880 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 119.0) internal successors, (1904), 16 states have internal predecessors, (1904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:33:00,880 INFO L186 Difference]: Start difference. First operand has 133 places, 135 transitions, 555 flow. Second operand 15 states and 1378 transitions. [2021-12-22 13:33:00,880 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 200 transitions, 1263 flow [2021-12-22 13:33:00,888 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 200 transitions, 1215 flow, removed 22 selfloop flow, removed 5 redundant places. [2021-12-22 13:33:00,890 INFO L242 Difference]: Finished difference. Result has 148 places, 153 transitions, 806 flow [2021-12-22 13:33:00,891 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=523, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=806, PETRI_PLACES=148, PETRI_TRANSITIONS=153} [2021-12-22 13:33:00,891 INFO L334 CegarLoopForPetriNet]: 124 programPoint places, 24 predicate places. [2021-12-22 13:33:00,891 INFO L470 AbstractCegarLoop]: Abstraction has has 148 places, 153 transitions, 806 flow [2021-12-22 13:33:00,892 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 87.57142857142857) internal successors, (1226), 14 states have internal predecessors, (1226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:33:00,892 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-22 13:33:00,892 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 13:33:00,892 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-22 13:33:00,892 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-12-22 13:33:00,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 13:33:00,893 INFO L85 PathProgramCache]: Analyzing trace with hash 261692887, now seen corresponding path program 1 times [2021-12-22 13:33:00,893 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 13:33:00,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092152145] [2021-12-22 13:33:00,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:33:00,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 13:33:00,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:33:01,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 13:33:01,159 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 13:33:01,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092152145] [2021-12-22 13:33:01,159 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092152145] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 13:33:01,159 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 13:33:01,160 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-12-22 13:33:01,160 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419563219] [2021-12-22 13:33:01,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 13:33:01,160 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-22 13:33:01,160 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 13:33:01,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-22 13:33:01,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-12-22 13:33:01,162 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 119 [2021-12-22 13:33:01,163 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 153 transitions, 806 flow. Second operand has 11 states, 11 states have (on average 88.0) internal successors, (968), 11 states have internal predecessors, (968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:33:01,163 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-22 13:33:01,163 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 119 [2021-12-22 13:33:01,163 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-22 13:33:02,147 INFO L129 PetriNetUnfolder]: 1443/2883 cut-off events. [2021-12-22 13:33:02,147 INFO L130 PetriNetUnfolder]: For 12550/29454 co-relation queries the response was YES. [2021-12-22 13:33:02,158 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12698 conditions, 2883 events. 1443/2883 cut-off events. For 12550/29454 co-relation queries the response was YES. Maximal size of possible extension queue 226. Compared 19592 event pairs, 194 based on Foata normal form. 67/2839 useless extension candidates. Maximal degree in co-relation 12612. Up to 1422 conditions per place. [2021-12-22 13:33:02,175 INFO L132 encePairwiseOnDemand]: 103/119 looper letters, 63 selfloop transitions, 59 changer transitions 49/243 dead transitions. [2021-12-22 13:33:02,175 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 154 places, 243 transitions, 1991 flow [2021-12-22 13:33:02,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-22 13:33:02,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-12-22 13:33:02,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1228 transitions. [2021-12-22 13:33:02,178 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7937944408532643 [2021-12-22 13:33:02,178 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1228 transitions. [2021-12-22 13:33:02,178 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1228 transitions. [2021-12-22 13:33:02,179 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 13:33:02,179 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1228 transitions. [2021-12-22 13:33:02,180 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 94.46153846153847) internal successors, (1228), 13 states have internal predecessors, (1228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:33:02,182 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 119.0) internal successors, (1666), 14 states have internal predecessors, (1666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:33:02,183 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 119.0) internal successors, (1666), 14 states have internal predecessors, (1666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:33:02,183 INFO L186 Difference]: Start difference. First operand has 148 places, 153 transitions, 806 flow. Second operand 13 states and 1228 transitions. [2021-12-22 13:33:02,183 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 154 places, 243 transitions, 1991 flow [2021-12-22 13:33:02,199 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 243 transitions, 1939 flow, removed 22 selfloop flow, removed 7 redundant places. [2021-12-22 13:33:02,201 INFO L242 Difference]: Finished difference. Result has 156 places, 187 transitions, 1328 flow [2021-12-22 13:33:02,202 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=762, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=153, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1328, PETRI_PLACES=156, PETRI_TRANSITIONS=187} [2021-12-22 13:33:02,202 INFO L334 CegarLoopForPetriNet]: 124 programPoint places, 32 predicate places. [2021-12-22 13:33:02,202 INFO L470 AbstractCegarLoop]: Abstraction has has 156 places, 187 transitions, 1328 flow [2021-12-22 13:33:02,203 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 88.0) internal successors, (968), 11 states have internal predecessors, (968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:33:02,203 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-22 13:33:02,203 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 13:33:02,203 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-22 13:33:02,203 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-12-22 13:33:02,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 13:33:02,204 INFO L85 PathProgramCache]: Analyzing trace with hash -1676887911, now seen corresponding path program 2 times [2021-12-22 13:33:02,204 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 13:33:02,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261907602] [2021-12-22 13:33:02,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:33:02,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 13:33:02,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:33:02,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 13:33:02,289 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 13:33:02,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261907602] [2021-12-22 13:33:02,289 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261907602] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 13:33:02,289 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 13:33:02,289 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 13:33:02,289 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36186352] [2021-12-22 13:33:02,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 13:33:02,290 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 13:33:02,290 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 13:33:02,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 13:33:02,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 13:33:02,291 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 119 [2021-12-22 13:33:02,291 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 187 transitions, 1328 flow. Second operand has 6 states, 6 states have (on average 92.5) internal successors, (555), 6 states have internal predecessors, (555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:33:02,291 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-22 13:33:02,292 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 119 [2021-12-22 13:33:02,292 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-22 13:33:04,329 INFO L129 PetriNetUnfolder]: 7338/12961 cut-off events. [2021-12-22 13:33:04,329 INFO L130 PetriNetUnfolder]: For 75298/75670 co-relation queries the response was YES. [2021-12-22 13:33:04,410 INFO L84 FinitePrefix]: Finished finitePrefix Result has 52617 conditions, 12961 events. 7338/12961 cut-off events. For 75298/75670 co-relation queries the response was YES. Maximal size of possible extension queue 732. Compared 102958 event pairs, 325 based on Foata normal form. 62/12735 useless extension candidates. Maximal degree in co-relation 52533. Up to 3364 conditions per place. [2021-12-22 13:33:04,448 INFO L132 encePairwiseOnDemand]: 109/119 looper letters, 183 selfloop transitions, 7 changer transitions 232/510 dead transitions. [2021-12-22 13:33:04,448 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 510 transitions, 5278 flow [2021-12-22 13:33:04,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-22 13:33:04,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-12-22 13:33:04,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1022 transitions. [2021-12-22 13:33:04,452 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8588235294117647 [2021-12-22 13:33:04,452 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1022 transitions. [2021-12-22 13:33:04,452 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1022 transitions. [2021-12-22 13:33:04,453 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 13:33:04,453 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1022 transitions. [2021-12-22 13:33:04,454 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 102.2) internal successors, (1022), 10 states have internal predecessors, (1022), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:33:04,456 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 119.0) internal successors, (1309), 11 states have internal predecessors, (1309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:33:04,457 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 119.0) internal successors, (1309), 11 states have internal predecessors, (1309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:33:04,457 INFO L186 Difference]: Start difference. First operand has 156 places, 187 transitions, 1328 flow. Second operand 10 states and 1022 transitions. [2021-12-22 13:33:04,457 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 159 places, 510 transitions, 5278 flow [2021-12-22 13:33:04,577 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 152 places, 510 transitions, 4999 flow, removed 139 selfloop flow, removed 7 redundant places. [2021-12-22 13:33:04,581 INFO L242 Difference]: Finished difference. Result has 158 places, 180 transitions, 1154 flow [2021-12-22 13:33:04,581 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=1092, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=176, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=169, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1154, PETRI_PLACES=158, PETRI_TRANSITIONS=180} [2021-12-22 13:33:04,582 INFO L334 CegarLoopForPetriNet]: 124 programPoint places, 34 predicate places. [2021-12-22 13:33:04,582 INFO L470 AbstractCegarLoop]: Abstraction has has 158 places, 180 transitions, 1154 flow [2021-12-22 13:33:04,582 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 92.5) internal successors, (555), 6 states have internal predecessors, (555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:33:04,582 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-22 13:33:04,583 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] [2021-12-22 13:33:04,583 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-22 13:33:04,583 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-12-22 13:33:04,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 13:33:04,583 INFO L85 PathProgramCache]: Analyzing trace with hash -2056090756, now seen corresponding path program 1 times [2021-12-22 13:33:04,583 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 13:33:04,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763142388] [2021-12-22 13:33:04,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:33:04,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 13:33:04,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:33:04,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 13:33:04,876 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 13:33:04,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763142388] [2021-12-22 13:33:04,877 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763142388] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 13:33:04,877 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 13:33:04,877 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-12-22 13:33:04,877 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476633474] [2021-12-22 13:33:04,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 13:33:04,877 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-22 13:33:04,878 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 13:33:04,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-22 13:33:04,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-12-22 13:33:04,879 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 119 [2021-12-22 13:33:04,880 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 180 transitions, 1154 flow. Second operand has 12 states, 12 states have (on average 87.91666666666667) internal successors, (1055), 12 states have internal predecessors, (1055), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:33:04,880 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-22 13:33:04,880 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 119 [2021-12-22 13:33:04,880 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-22 13:33:06,113 INFO L129 PetriNetUnfolder]: 1557/4733 cut-off events. [2021-12-22 13:33:06,113 INFO L130 PetriNetUnfolder]: For 16744/18157 co-relation queries the response was YES. [2021-12-22 13:33:06,133 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17847 conditions, 4733 events. 1557/4733 cut-off events. For 16744/18157 co-relation queries the response was YES. Maximal size of possible extension queue 337. Compared 46940 event pairs, 381 based on Foata normal form. 101/4554 useless extension candidates. Maximal degree in co-relation 17754. Up to 1058 conditions per place. [2021-12-22 13:33:06,148 INFO L132 encePairwiseOnDemand]: 104/119 looper letters, 93 selfloop transitions, 41 changer transitions 30/240 dead transitions. [2021-12-22 13:33:06,149 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 240 transitions, 2101 flow [2021-12-22 13:33:06,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-22 13:33:06,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-12-22 13:33:06,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1215 transitions. [2021-12-22 13:33:06,151 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7853910795087266 [2021-12-22 13:33:06,151 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1215 transitions. [2021-12-22 13:33:06,152 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1215 transitions. [2021-12-22 13:33:06,152 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 13:33:06,152 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1215 transitions. [2021-12-22 13:33:06,154 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 93.46153846153847) internal successors, (1215), 13 states have internal predecessors, (1215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:33:06,156 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 119.0) internal successors, (1666), 14 states have internal predecessors, (1666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:33:06,157 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 119.0) internal successors, (1666), 14 states have internal predecessors, (1666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:33:06,157 INFO L186 Difference]: Start difference. First operand has 158 places, 180 transitions, 1154 flow. Second operand 13 states and 1215 transitions. [2021-12-22 13:33:06,157 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 240 transitions, 2101 flow [2021-12-22 13:33:06,179 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 240 transitions, 2088 flow, removed 4 selfloop flow, removed 4 redundant places. [2021-12-22 13:33:06,182 INFO L242 Difference]: Finished difference. Result has 165 places, 173 transitions, 1220 flow [2021-12-22 13:33:06,183 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=1141, PETRI_DIFFERENCE_MINUEND_PLACES=150, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=180, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=34, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=144, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1220, PETRI_PLACES=165, PETRI_TRANSITIONS=173} [2021-12-22 13:33:06,183 INFO L334 CegarLoopForPetriNet]: 124 programPoint places, 41 predicate places. [2021-12-22 13:33:06,183 INFO L470 AbstractCegarLoop]: Abstraction has has 165 places, 173 transitions, 1220 flow [2021-12-22 13:33:06,184 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 87.91666666666667) internal successors, (1055), 12 states have internal predecessors, (1055), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:33:06,184 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-22 13:33:06,184 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] [2021-12-22 13:33:06,184 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-22 13:33:06,184 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-12-22 13:33:06,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 13:33:06,185 INFO L85 PathProgramCache]: Analyzing trace with hash 1639559514, now seen corresponding path program 2 times [2021-12-22 13:33:06,185 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 13:33:06,185 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765677298] [2021-12-22 13:33:06,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:33:06,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 13:33:06,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:33:06,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 13:33:06,309 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 13:33:06,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765677298] [2021-12-22 13:33:06,309 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765677298] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 13:33:06,309 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 13:33:06,310 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-22 13:33:06,310 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309541944] [2021-12-22 13:33:06,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 13:33:06,310 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-22 13:33:06,310 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 13:33:06,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-22 13:33:06,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-22 13:33:06,311 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 119 [2021-12-22 13:33:06,312 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 173 transitions, 1220 flow. Second operand has 7 states, 7 states have (on average 92.42857142857143) internal successors, (647), 7 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:33:06,312 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-22 13:33:06,312 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 119 [2021-12-22 13:33:06,312 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-22 13:33:07,453 INFO L129 PetriNetUnfolder]: 2690/5991 cut-off events. [2021-12-22 13:33:07,454 INFO L130 PetriNetUnfolder]: For 27132/27160 co-relation queries the response was YES. [2021-12-22 13:33:07,486 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24385 conditions, 5991 events. 2690/5991 cut-off events. For 27132/27160 co-relation queries the response was YES. Maximal size of possible extension queue 362. Compared 51578 event pairs, 299 based on Foata normal form. 184/6143 useless extension candidates. Maximal degree in co-relation 24296. Up to 1262 conditions per place. [2021-12-22 13:33:07,499 INFO L132 encePairwiseOnDemand]: 109/119 looper letters, 144 selfloop transitions, 18 changer transitions 121/370 dead transitions. [2021-12-22 13:33:07,499 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 370 transitions, 3576 flow [2021-12-22 13:33:07,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-22 13:33:07,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-12-22 13:33:07,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1126 transitions. [2021-12-22 13:33:07,502 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8601986249045073 [2021-12-22 13:33:07,502 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1126 transitions. [2021-12-22 13:33:07,502 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1126 transitions. [2021-12-22 13:33:07,502 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 13:33:07,503 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1126 transitions. [2021-12-22 13:33:07,504 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 102.36363636363636) internal successors, (1126), 11 states have internal predecessors, (1126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:33:07,506 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 119.0) internal successors, (1428), 12 states have internal predecessors, (1428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:33:07,506 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 119.0) internal successors, (1428), 12 states have internal predecessors, (1428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:33:07,507 INFO L186 Difference]: Start difference. First operand has 165 places, 173 transitions, 1220 flow. Second operand 11 states and 1126 transitions. [2021-12-22 13:33:07,507 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 175 places, 370 transitions, 3576 flow [2021-12-22 13:33:07,547 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 171 places, 370 transitions, 3449 flow, removed 33 selfloop flow, removed 4 redundant places. [2021-12-22 13:33:07,550 INFO L242 Difference]: Finished difference. Result has 177 places, 166 transitions, 1125 flow [2021-12-22 13:33:07,551 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=1022, PETRI_DIFFERENCE_MINUEND_PLACES=161, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=151, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1125, PETRI_PLACES=177, PETRI_TRANSITIONS=166} [2021-12-22 13:33:07,552 INFO L334 CegarLoopForPetriNet]: 124 programPoint places, 53 predicate places. [2021-12-22 13:33:07,552 INFO L470 AbstractCegarLoop]: Abstraction has has 177 places, 166 transitions, 1125 flow [2021-12-22 13:33:07,552 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 92.42857142857143) internal successors, (647), 7 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:33:07,552 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-22 13:33:07,553 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 13:33:07,553 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-22 13:33:07,553 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-12-22 13:33:07,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 13:33:07,553 INFO L85 PathProgramCache]: Analyzing trace with hash -1224440998, now seen corresponding path program 1 times [2021-12-22 13:33:07,553 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 13:33:07,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324953164] [2021-12-22 13:33:07,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:33:07,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 13:33:07,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:33:08,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 13:33:08,118 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 13:33:08,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324953164] [2021-12-22 13:33:08,118 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324953164] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 13:33:08,118 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 13:33:08,119 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-12-22 13:33:08,119 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178872911] [2021-12-22 13:33:08,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 13:33:08,119 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-12-22 13:33:08,119 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 13:33:08,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-12-22 13:33:08,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=268, Unknown=0, NotChecked=0, Total=342 [2021-12-22 13:33:08,121 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 119 [2021-12-22 13:33:08,122 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 177 places, 166 transitions, 1125 flow. Second operand has 19 states, 19 states have (on average 84.47368421052632) internal successors, (1605), 19 states have internal predecessors, (1605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:33:08,122 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-22 13:33:08,122 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 119 [2021-12-22 13:33:08,122 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-22 13:33:09,650 INFO L129 PetriNetUnfolder]: 883/4175 cut-off events. [2021-12-22 13:33:09,650 INFO L130 PetriNetUnfolder]: For 15168/15506 co-relation queries the response was YES. [2021-12-22 13:33:09,682 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15354 conditions, 4175 events. 883/4175 cut-off events. For 15168/15506 co-relation queries the response was YES. Maximal size of possible extension queue 418. Compared 48395 event pairs, 65 based on Foata normal form. 34/4020 useless extension candidates. Maximal degree in co-relation 15249. Up to 1033 conditions per place. [2021-12-22 13:33:09,696 INFO L132 encePairwiseOnDemand]: 100/119 looper letters, 67 selfloop transitions, 52 changer transitions 68/275 dead transitions. [2021-12-22 13:33:09,696 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 275 transitions, 2619 flow [2021-12-22 13:33:09,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-12-22 13:33:09,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-12-22 13:33:09,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 1965 transitions. [2021-12-22 13:33:09,701 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7505729564553094 [2021-12-22 13:33:09,701 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 1965 transitions. [2021-12-22 13:33:09,701 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 1965 transitions. [2021-12-22 13:33:09,702 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 13:33:09,702 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 1965 transitions. [2021-12-22 13:33:09,705 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 89.31818181818181) internal successors, (1965), 22 states have internal predecessors, (1965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:33:09,708 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 119.0) internal successors, (2737), 23 states have internal predecessors, (2737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:33:09,709 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 119.0) internal successors, (2737), 23 states have internal predecessors, (2737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:33:09,709 INFO L186 Difference]: Start difference. First operand has 177 places, 166 transitions, 1125 flow. Second operand 22 states and 1965 transitions. [2021-12-22 13:33:09,709 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 275 transitions, 2619 flow [2021-12-22 13:33:09,850 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 275 transitions, 2507 flow, removed 26 selfloop flow, removed 7 redundant places. [2021-12-22 13:33:09,853 INFO L242 Difference]: Finished difference. Result has 199 places, 187 transitions, 1533 flow [2021-12-22 13:33:09,853 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=1031, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=166, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=1533, PETRI_PLACES=199, PETRI_TRANSITIONS=187} [2021-12-22 13:33:09,854 INFO L334 CegarLoopForPetriNet]: 124 programPoint places, 75 predicate places. [2021-12-22 13:33:09,854 INFO L470 AbstractCegarLoop]: Abstraction has has 199 places, 187 transitions, 1533 flow [2021-12-22 13:33:09,855 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 84.47368421052632) internal successors, (1605), 19 states have internal predecessors, (1605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:33:09,855 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-22 13:33:09,855 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 13:33:09,855 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-22 13:33:09,855 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-12-22 13:33:09,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 13:33:09,856 INFO L85 PathProgramCache]: Analyzing trace with hash 663213080, now seen corresponding path program 2 times [2021-12-22 13:33:09,856 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 13:33:09,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058579935] [2021-12-22 13:33:09,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:33:09,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 13:33:09,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:33:10,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 13:33:10,289 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 13:33:10,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058579935] [2021-12-22 13:33:10,290 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058579935] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 13:33:10,290 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 13:33:10,290 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-22 13:33:10,290 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808845226] [2021-12-22 13:33:10,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 13:33:10,291 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-12-22 13:33:10,291 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 13:33:10,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-12-22 13:33:10,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2021-12-22 13:33:10,293 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 119 [2021-12-22 13:33:10,294 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 199 places, 187 transitions, 1533 flow. Second operand has 17 states, 17 states have (on average 85.58823529411765) internal successors, (1455), 17 states have internal predecessors, (1455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:33:10,294 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-22 13:33:10,294 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 119 [2021-12-22 13:33:10,295 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-22 13:33:11,895 INFO L129 PetriNetUnfolder]: 1116/5391 cut-off events. [2021-12-22 13:33:11,896 INFO L130 PetriNetUnfolder]: For 21947/22151 co-relation queries the response was YES. [2021-12-22 13:33:11,944 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19131 conditions, 5391 events. 1116/5391 cut-off events. For 21947/22151 co-relation queries the response was YES. Maximal size of possible extension queue 559. Compared 66751 event pairs, 100 based on Foata normal form. 32/5168 useless extension candidates. Maximal degree in co-relation 19011. Up to 646 conditions per place. [2021-12-22 13:33:11,957 INFO L132 encePairwiseOnDemand]: 101/119 looper letters, 74 selfloop transitions, 52 changer transitions 55/270 dead transitions. [2021-12-22 13:33:11,957 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 270 transitions, 3055 flow [2021-12-22 13:33:11,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-22 13:33:11,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-12-22 13:33:11,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 1540 transitions. [2021-12-22 13:33:11,960 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7612456747404844 [2021-12-22 13:33:11,960 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 1540 transitions. [2021-12-22 13:33:11,960 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 1540 transitions. [2021-12-22 13:33:11,961 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 13:33:11,961 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 1540 transitions. [2021-12-22 13:33:11,963 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 90.58823529411765) internal successors, (1540), 17 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:33:11,965 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 119.0) internal successors, (2142), 18 states have internal predecessors, (2142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:33:11,966 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 119.0) internal successors, (2142), 18 states have internal predecessors, (2142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:33:11,966 INFO L186 Difference]: Start difference. First operand has 199 places, 187 transitions, 1533 flow. Second operand 17 states and 1540 transitions. [2021-12-22 13:33:11,966 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 270 transitions, 3055 flow [2021-12-22 13:33:12,064 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 195 places, 270 transitions, 2934 flow, removed 56 selfloop flow, removed 11 redundant places. [2021-12-22 13:33:12,069 INFO L242 Difference]: Finished difference. Result has 206 places, 195 transitions, 1818 flow [2021-12-22 13:33:12,070 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=1448, PETRI_DIFFERENCE_MINUEND_PLACES=179, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=187, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=141, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=1818, PETRI_PLACES=206, PETRI_TRANSITIONS=195} [2021-12-22 13:33:12,070 INFO L334 CegarLoopForPetriNet]: 124 programPoint places, 82 predicate places. [2021-12-22 13:33:12,070 INFO L470 AbstractCegarLoop]: Abstraction has has 206 places, 195 transitions, 1818 flow [2021-12-22 13:33:12,080 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 85.58823529411765) internal successors, (1455), 17 states have internal predecessors, (1455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:33:12,080 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-22 13:33:12,081 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 13:33:12,081 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-22 13:33:12,081 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-12-22 13:33:12,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 13:33:12,082 INFO L85 PathProgramCache]: Analyzing trace with hash -990162570, now seen corresponding path program 3 times [2021-12-22 13:33:12,082 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 13:33:12,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779558773] [2021-12-22 13:33:12,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:33:12,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 13:33:12,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:33:12,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 13:33:12,199 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 13:33:12,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779558773] [2021-12-22 13:33:12,199 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779558773] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 13:33:12,199 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 13:33:12,199 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-22 13:33:12,199 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089091342] [2021-12-22 13:33:12,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 13:33:12,200 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-22 13:33:12,200 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 13:33:12,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-22 13:33:12,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-12-22 13:33:12,201 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 119 [2021-12-22 13:33:12,202 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 206 places, 195 transitions, 1818 flow. Second operand has 8 states, 8 states have (on average 92.5) internal successors, (740), 8 states have internal predecessors, (740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:33:12,202 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-22 13:33:12,202 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 119 [2021-12-22 13:33:12,202 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-22 13:33:13,861 INFO L129 PetriNetUnfolder]: 3302/8014 cut-off events. [2021-12-22 13:33:13,861 INFO L130 PetriNetUnfolder]: For 89885/89994 co-relation queries the response was YES. [2021-12-22 13:33:13,900 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42231 conditions, 8014 events. 3302/8014 cut-off events. For 89885/89994 co-relation queries the response was YES. Maximal size of possible extension queue 547. Compared 79560 event pairs, 415 based on Foata normal form. 96/8075 useless extension candidates. Maximal degree in co-relation 42163. Up to 1609 conditions per place. [2021-12-22 13:33:13,916 INFO L132 encePairwiseOnDemand]: 109/119 looper letters, 158 selfloop transitions, 22 changer transitions 123/395 dead transitions. [2021-12-22 13:33:13,917 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 213 places, 395 transitions, 5029 flow [2021-12-22 13:33:13,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-22 13:33:13,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-12-22 13:33:13,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1375 transitions. [2021-12-22 13:33:13,919 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8253301320528211 [2021-12-22 13:33:13,919 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1375 transitions. [2021-12-22 13:33:13,919 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1375 transitions. [2021-12-22 13:33:13,920 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 13:33:13,920 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1375 transitions. [2021-12-22 13:33:13,921 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 98.21428571428571) internal successors, (1375), 14 states have internal predecessors, (1375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:33:13,923 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 119.0) internal successors, (1785), 15 states have internal predecessors, (1785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:33:13,923 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 119.0) internal successors, (1785), 15 states have internal predecessors, (1785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:33:13,923 INFO L186 Difference]: Start difference. First operand has 206 places, 195 transitions, 1818 flow. Second operand 14 states and 1375 transitions. [2021-12-22 13:33:13,923 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 213 places, 395 transitions, 5029 flow [2021-12-22 13:33:14,174 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 195 places, 395 transitions, 4380 flow, removed 250 selfloop flow, removed 18 redundant places. [2021-12-22 13:33:14,177 INFO L242 Difference]: Finished difference. Result has 202 places, 193 transitions, 1573 flow [2021-12-22 13:33:14,178 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=1485, PETRI_DIFFERENCE_MINUEND_PLACES=182, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=192, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=170, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=1573, PETRI_PLACES=202, PETRI_TRANSITIONS=193} [2021-12-22 13:33:14,178 INFO L334 CegarLoopForPetriNet]: 124 programPoint places, 78 predicate places. [2021-12-22 13:33:14,178 INFO L470 AbstractCegarLoop]: Abstraction has has 202 places, 193 transitions, 1573 flow [2021-12-22 13:33:14,179 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 92.5) internal successors, (740), 8 states have internal predecessors, (740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:33:14,179 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-22 13:33:14,179 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] [2021-12-22 13:33:14,179 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-22 13:33:14,179 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-12-22 13:33:14,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 13:33:14,180 INFO L85 PathProgramCache]: Analyzing trace with hash -878690363, now seen corresponding path program 1 times [2021-12-22 13:33:14,180 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 13:33:14,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124595034] [2021-12-22 13:33:14,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:33:14,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 13:33:14,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:33:14,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 13:33:14,467 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 13:33:14,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124595034] [2021-12-22 13:33:14,467 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124595034] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 13:33:14,467 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 13:33:14,467 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-12-22 13:33:14,467 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244899095] [2021-12-22 13:33:14,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 13:33:14,468 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-12-22 13:33:14,468 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 13:33:14,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-12-22 13:33:14,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2021-12-22 13:33:14,469 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 119 [2021-12-22 13:33:14,470 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 193 transitions, 1573 flow. Second operand has 15 states, 15 states have (on average 88.8) internal successors, (1332), 15 states have internal predecessors, (1332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:33:14,470 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-22 13:33:14,470 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 119 [2021-12-22 13:33:14,470 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-22 13:33:15,172 INFO L129 PetriNetUnfolder]: 625/3735 cut-off events. [2021-12-22 13:33:15,172 INFO L130 PetriNetUnfolder]: For 14320/14603 co-relation queries the response was YES. [2021-12-22 13:33:15,199 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13466 conditions, 3735 events. 625/3735 cut-off events. For 14320/14603 co-relation queries the response was YES. Maximal size of possible extension queue 444. Compared 46145 event pairs, 52 based on Foata normal form. 4/3553 useless extension candidates. Maximal degree in co-relation 13351. Up to 472 conditions per place. [2021-12-22 13:33:15,208 INFO L132 encePairwiseOnDemand]: 107/119 looper letters, 90 selfloop transitions, 11 changer transitions 28/222 dead transitions. [2021-12-22 13:33:15,208 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 211 places, 222 transitions, 2093 flow [2021-12-22 13:33:15,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-22 13:33:15,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-12-22 13:33:15,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1186 transitions. [2021-12-22 13:33:15,210 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7666451195862961 [2021-12-22 13:33:15,210 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1186 transitions. [2021-12-22 13:33:15,210 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1186 transitions. [2021-12-22 13:33:15,210 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 13:33:15,211 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1186 transitions. [2021-12-22 13:33:15,212 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 91.23076923076923) internal successors, (1186), 13 states have internal predecessors, (1186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:33:15,213 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 119.0) internal successors, (1666), 14 states have internal predecessors, (1666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:33:15,213 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 119.0) internal successors, (1666), 14 states have internal predecessors, (1666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:33:15,214 INFO L186 Difference]: Start difference. First operand has 202 places, 193 transitions, 1573 flow. Second operand 13 states and 1186 transitions. [2021-12-22 13:33:15,214 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 211 places, 222 transitions, 2093 flow [2021-12-22 13:33:15,328 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 192 places, 222 transitions, 1935 flow, removed 61 selfloop flow, removed 19 redundant places. [2021-12-22 13:33:15,331 INFO L242 Difference]: Finished difference. Result has 197 places, 191 transitions, 1443 flow [2021-12-22 13:33:15,331 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=1433, PETRI_DIFFERENCE_MINUEND_PLACES=180, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=193, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=182, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1443, PETRI_PLACES=197, PETRI_TRANSITIONS=191} [2021-12-22 13:33:15,332 INFO L334 CegarLoopForPetriNet]: 124 programPoint places, 73 predicate places. [2021-12-22 13:33:15,332 INFO L470 AbstractCegarLoop]: Abstraction has has 197 places, 191 transitions, 1443 flow [2021-12-22 13:33:15,333 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 88.8) internal successors, (1332), 15 states have internal predecessors, (1332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:33:15,333 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-22 13:33:15,333 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] [2021-12-22 13:33:15,333 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-22 13:33:15,333 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-12-22 13:33:15,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 13:33:15,334 INFO L85 PathProgramCache]: Analyzing trace with hash 1592109175, now seen corresponding path program 2 times [2021-12-22 13:33:15,334 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 13:33:15,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043637269] [2021-12-22 13:33:15,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:33:15,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 13:33:15,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:33:15,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 13:33:15,722 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 13:33:15,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043637269] [2021-12-22 13:33:15,723 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043637269] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 13:33:15,723 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 13:33:15,723 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-12-22 13:33:15,723 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716003057] [2021-12-22 13:33:15,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 13:33:15,723 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-22 13:33:15,723 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 13:33:15,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-22 13:33:15,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2021-12-22 13:33:15,725 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 119 [2021-12-22 13:33:15,725 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 197 places, 191 transitions, 1443 flow. Second operand has 18 states, 18 states have (on average 86.61111111111111) internal successors, (1559), 18 states have internal predecessors, (1559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:33:15,725 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-22 13:33:15,725 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 119 [2021-12-22 13:33:15,726 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-22 13:33:16,452 INFO L129 PetriNetUnfolder]: 630/3759 cut-off events. [2021-12-22 13:33:16,452 INFO L130 PetriNetUnfolder]: For 7831/7915 co-relation queries the response was YES. [2021-12-22 13:33:16,477 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11525 conditions, 3759 events. 630/3759 cut-off events. For 7831/7915 co-relation queries the response was YES. Maximal size of possible extension queue 466. Compared 47016 event pairs, 62 based on Foata normal form. 3/3565 useless extension candidates. Maximal degree in co-relation 11477. Up to 389 conditions per place. [2021-12-22 13:33:16,485 INFO L132 encePairwiseOnDemand]: 104/119 looper letters, 83 selfloop transitions, 13 changer transitions 31/218 dead transitions. [2021-12-22 13:33:16,485 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 218 transitions, 1961 flow [2021-12-22 13:33:16,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-22 13:33:16,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-12-22 13:33:16,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1420 transitions. [2021-12-22 13:33:16,487 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7457983193277311 [2021-12-22 13:33:16,487 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 1420 transitions. [2021-12-22 13:33:16,487 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 1420 transitions. [2021-12-22 13:33:16,487 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 13:33:16,487 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 1420 transitions. [2021-12-22 13:33:16,489 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 88.75) internal successors, (1420), 16 states have internal predecessors, (1420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:33:16,491 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 119.0) internal successors, (2023), 17 states have internal predecessors, (2023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:33:16,491 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 119.0) internal successors, (2023), 17 states have internal predecessors, (2023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:33:16,491 INFO L186 Difference]: Start difference. First operand has 197 places, 191 transitions, 1443 flow. Second operand 16 states and 1420 transitions. [2021-12-22 13:33:16,491 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 207 places, 218 transitions, 1961 flow [2021-12-22 13:33:16,560 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 195 places, 218 transitions, 1914 flow, removed 10 selfloop flow, removed 12 redundant places. [2021-12-22 13:33:16,563 INFO L242 Difference]: Finished difference. Result has 201 places, 182 transitions, 1355 flow [2021-12-22 13:33:16,563 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=1402, PETRI_DIFFERENCE_MINUEND_PLACES=180, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=191, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=178, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=1355, PETRI_PLACES=201, PETRI_TRANSITIONS=182} [2021-12-22 13:33:16,563 INFO L334 CegarLoopForPetriNet]: 124 programPoint places, 77 predicate places. [2021-12-22 13:33:16,564 INFO L470 AbstractCegarLoop]: Abstraction has has 201 places, 182 transitions, 1355 flow [2021-12-22 13:33:16,564 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 86.61111111111111) internal successors, (1559), 18 states have internal predecessors, (1559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:33:16,564 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-22 13:33:16,564 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] [2021-12-22 13:33:16,564 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-22 13:33:16,564 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-12-22 13:33:16,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 13:33:16,565 INFO L85 PathProgramCache]: Analyzing trace with hash 1644921687, now seen corresponding path program 3 times [2021-12-22 13:33:16,565 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 13:33:16,565 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869589652] [2021-12-22 13:33:16,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:33:16,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 13:33:16,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:33:16,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 13:33:16,710 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 13:33:16,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869589652] [2021-12-22 13:33:16,710 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869589652] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 13:33:16,710 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 13:33:16,710 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-22 13:33:16,711 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431733100] [2021-12-22 13:33:16,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 13:33:16,711 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-22 13:33:16,711 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 13:33:16,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-22 13:33:16,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-22 13:33:16,712 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 119 [2021-12-22 13:33:16,712 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 201 places, 182 transitions, 1355 flow. Second operand has 7 states, 7 states have (on average 94.28571428571429) internal successors, (660), 7 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:33:16,713 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-22 13:33:16,713 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 119 [2021-12-22 13:33:16,713 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-22 13:33:17,226 INFO L129 PetriNetUnfolder]: 576/3194 cut-off events. [2021-12-22 13:33:17,226 INFO L130 PetriNetUnfolder]: For 8275/8354 co-relation queries the response was YES. [2021-12-22 13:33:17,245 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9925 conditions, 3194 events. 576/3194 cut-off events. For 8275/8354 co-relation queries the response was YES. Maximal size of possible extension queue 381. Compared 37642 event pairs, 39 based on Foata normal form. 8/3026 useless extension candidates. Maximal degree in co-relation 9877. Up to 355 conditions per place. [2021-12-22 13:33:17,249 INFO L132 encePairwiseOnDemand]: 113/119 looper letters, 42 selfloop transitions, 1 changer transitions 75/218 dead transitions. [2021-12-22 13:33:17,249 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 202 places, 218 transitions, 1935 flow [2021-12-22 13:33:17,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 13:33:17,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-12-22 13:33:17,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 683 transitions. [2021-12-22 13:33:17,250 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8199279711884754 [2021-12-22 13:33:17,250 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 683 transitions. [2021-12-22 13:33:17,250 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 683 transitions. [2021-12-22 13:33:17,250 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 13:33:17,250 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 683 transitions. [2021-12-22 13:33:17,251 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 97.57142857142857) internal successors, (683), 7 states have internal predecessors, (683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:33:17,252 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 119.0) internal successors, (952), 8 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:33:17,252 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 119.0) internal successors, (952), 8 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:33:17,252 INFO L186 Difference]: Start difference. First operand has 201 places, 182 transitions, 1355 flow. Second operand 7 states and 683 transitions. [2021-12-22 13:33:17,252 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 202 places, 218 transitions, 1935 flow [2021-12-22 13:33:17,300 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 182 places, 218 transitions, 1789 flow, removed 24 selfloop flow, removed 20 redundant places. [2021-12-22 13:33:17,302 INFO L242 Difference]: Finished difference. Result has 187 places, 135 transitions, 697 flow [2021-12-22 13:33:17,303 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=1251, PETRI_DIFFERENCE_MINUEND_PLACES=176, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=182, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=181, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=697, PETRI_PLACES=187, PETRI_TRANSITIONS=135} [2021-12-22 13:33:17,303 INFO L334 CegarLoopForPetriNet]: 124 programPoint places, 63 predicate places. [2021-12-22 13:33:17,303 INFO L470 AbstractCegarLoop]: Abstraction has has 187 places, 135 transitions, 697 flow [2021-12-22 13:33:17,303 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 94.28571428571429) internal successors, (660), 7 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:33:17,304 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-22 13:33:17,304 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] [2021-12-22 13:33:17,304 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-22 13:33:17,304 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-12-22 13:33:17,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 13:33:17,304 INFO L85 PathProgramCache]: Analyzing trace with hash -1649290743, now seen corresponding path program 4 times [2021-12-22 13:33:17,304 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 13:33:17,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927212344] [2021-12-22 13:33:17,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:33:17,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 13:33:17,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:33:17,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 13:33:17,505 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 13:33:17,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927212344] [2021-12-22 13:33:17,506 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927212344] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 13:33:17,506 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 13:33:17,506 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-12-22 13:33:17,506 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755763991] [2021-12-22 13:33:17,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 13:33:17,507 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-22 13:33:17,507 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 13:33:17,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-22 13:33:17,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2021-12-22 13:33:17,508 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 119 [2021-12-22 13:33:17,508 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 135 transitions, 697 flow. Second operand has 12 states, 12 states have (on average 89.25) internal successors, (1071), 12 states have internal predecessors, (1071), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:33:17,509 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-22 13:33:17,509 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 119 [2021-12-22 13:33:17,509 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-22 13:33:17,917 INFO L129 PetriNetUnfolder]: 234/1665 cut-off events. [2021-12-22 13:33:17,917 INFO L130 PetriNetUnfolder]: For 2897/2925 co-relation queries the response was YES. [2021-12-22 13:33:17,926 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4625 conditions, 1665 events. 234/1665 cut-off events. For 2897/2925 co-relation queries the response was YES. Maximal size of possible extension queue 209. Compared 17701 event pairs, 25 based on Foata normal form. 2/1571 useless extension candidates. Maximal degree in co-relation 4580. Up to 165 conditions per place. [2021-12-22 13:33:17,929 INFO L132 encePairwiseOnDemand]: 105/119 looper letters, 38 selfloop transitions, 12 changer transitions 15/158 dead transitions. [2021-12-22 13:33:17,929 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 158 transitions, 1061 flow [2021-12-22 13:33:17,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-22 13:33:17,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-12-22 13:33:17,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1012 transitions. [2021-12-22 13:33:17,931 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.773109243697479 [2021-12-22 13:33:17,931 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1012 transitions. [2021-12-22 13:33:17,931 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1012 transitions. [2021-12-22 13:33:17,931 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 13:33:17,931 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1012 transitions. [2021-12-22 13:33:17,934 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 92.0) internal successors, (1012), 11 states have internal predecessors, (1012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:33:17,936 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 119.0) internal successors, (1428), 12 states have internal predecessors, (1428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:33:17,936 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 119.0) internal successors, (1428), 12 states have internal predecessors, (1428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:33:17,937 INFO L186 Difference]: Start difference. First operand has 187 places, 135 transitions, 697 flow. Second operand 11 states and 1012 transitions. [2021-12-22 13:33:17,937 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 158 transitions, 1061 flow [2021-12-22 13:33:17,955 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 172 places, 158 transitions, 959 flow, removed 25 selfloop flow, removed 20 redundant places. [2021-12-22 13:33:17,957 INFO L242 Difference]: Finished difference. Result has 178 places, 139 transitions, 729 flow [2021-12-22 13:33:17,957 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=625, PETRI_DIFFERENCE_MINUEND_PLACES=162, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=123, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=729, PETRI_PLACES=178, PETRI_TRANSITIONS=139} [2021-12-22 13:33:17,957 INFO L334 CegarLoopForPetriNet]: 124 programPoint places, 54 predicate places. [2021-12-22 13:33:17,957 INFO L470 AbstractCegarLoop]: Abstraction has has 178 places, 139 transitions, 729 flow [2021-12-22 13:33:17,958 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 89.25) internal successors, (1071), 12 states have internal predecessors, (1071), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:33:17,958 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-22 13:33:17,958 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] [2021-12-22 13:33:17,958 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-22 13:33:17,958 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-12-22 13:33:17,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 13:33:17,959 INFO L85 PathProgramCache]: Analyzing trace with hash 550107529, now seen corresponding path program 5 times [2021-12-22 13:33:17,959 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 13:33:17,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434215379] [2021-12-22 13:33:17,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:33:17,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 13:33:18,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:33:18,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 13:33:18,551 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 13:33:18,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434215379] [2021-12-22 13:33:18,551 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [434215379] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 13:33:18,551 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 13:33:18,551 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-12-22 13:33:18,551 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304847454] [2021-12-22 13:33:18,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 13:33:18,552 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-12-22 13:33:18,552 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 13:33:18,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-12-22 13:33:18,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=268, Unknown=0, NotChecked=0, Total=342 [2021-12-22 13:33:18,554 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 119 [2021-12-22 13:33:18,555 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 178 places, 139 transitions, 729 flow. Second operand has 19 states, 19 states have (on average 83.6842105263158) internal successors, (1590), 19 states have internal predecessors, (1590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:33:18,555 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-22 13:33:18,556 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 119 [2021-12-22 13:33:18,556 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-22 13:33:19,379 INFO L129 PetriNetUnfolder]: 245/1678 cut-off events. [2021-12-22 13:33:19,379 INFO L130 PetriNetUnfolder]: For 2850/2906 co-relation queries the response was YES. [2021-12-22 13:33:19,387 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4786 conditions, 1678 events. 245/1678 cut-off events. For 2850/2906 co-relation queries the response was YES. Maximal size of possible extension queue 225. Compared 17961 event pairs, 11 based on Foata normal form. 5/1591 useless extension candidates. Maximal degree in co-relation 4755. Up to 192 conditions per place. [2021-12-22 13:33:19,388 INFO L132 encePairwiseOnDemand]: 102/119 looper letters, 0 selfloop transitions, 0 changer transitions 157/157 dead transitions. [2021-12-22 13:33:19,388 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 189 places, 157 transitions, 1060 flow [2021-12-22 13:33:19,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-12-22 13:33:19,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-12-22 13:33:19,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 1615 transitions. [2021-12-22 13:33:19,389 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7142857142857143 [2021-12-22 13:33:19,390 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 1615 transitions. [2021-12-22 13:33:19,390 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 1615 transitions. [2021-12-22 13:33:19,390 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 13:33:19,390 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 1615 transitions. [2021-12-22 13:33:19,392 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 85.0) internal successors, (1615), 19 states have internal predecessors, (1615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:33:19,394 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 119.0) internal successors, (2380), 20 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:33:19,394 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 119.0) internal successors, (2380), 20 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:33:19,394 INFO L186 Difference]: Start difference. First operand has 178 places, 139 transitions, 729 flow. Second operand 19 states and 1615 transitions. [2021-12-22 13:33:19,394 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 189 places, 157 transitions, 1060 flow [2021-12-22 13:33:19,411 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 180 places, 157 transitions, 975 flow, removed 33 selfloop flow, removed 9 redundant places. [2021-12-22 13:33:19,412 INFO L242 Difference]: Finished difference. Result has 180 places, 0 transitions, 0 flow [2021-12-22 13:33:19,412 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=675, PETRI_DIFFERENCE_MINUEND_PLACES=162, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=0, PETRI_PLACES=180, PETRI_TRANSITIONS=0} [2021-12-22 13:33:19,413 INFO L334 CegarLoopForPetriNet]: 124 programPoint places, 56 predicate places. [2021-12-22 13:33:19,413 INFO L470 AbstractCegarLoop]: Abstraction has has 180 places, 0 transitions, 0 flow [2021-12-22 13:33:19,413 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 83.6842105263158) internal successors, (1590), 19 states have internal predecessors, (1590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:33:19,415 INFO L764 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2021-12-22 13:33:19,416 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2021-12-22 13:33:19,416 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 6 remaining) [2021-12-22 13:33:19,416 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 6 remaining) [2021-12-22 13:33:19,416 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 6 remaining) [2021-12-22 13:33:19,416 INFO L764 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2021-12-22 13:33:19,416 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-22 13:33:19,419 INFO L732 BasicCegarLoop]: Path program histogram: [5, 3, 2, 2, 2, 1, 1, 1] [2021-12-22 13:33:19,422 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-12-22 13:33:19,422 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-22 13:33:19,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 01:33:19 BasicIcfg [2021-12-22 13:33:19,424 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-22 13:33:19,425 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-22 13:33:19,425 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-22 13:33:19,425 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-22 13:33:19,425 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 01:32:55" (3/4) ... [2021-12-22 13:33:19,427 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-22 13:33:19,430 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2021-12-22 13:33:19,430 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2021-12-22 13:33:19,430 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2021-12-22 13:33:19,437 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 179 nodes and edges [2021-12-22 13:33:19,437 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 42 nodes and edges [2021-12-22 13:33:19,438 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-12-22 13:33:19,438 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-22 13:33:19,478 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-22 13:33:19,478 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-22 13:33:19,479 INFO L158 Benchmark]: Toolchain (without parser) took 25720.54ms. Allocated memory was 102.8MB in the beginning and 2.1GB in the end (delta: 2.0GB). Free memory was 73.2MB in the beginning and 1.1GB in the end (delta: -1.1GB). Peak memory consumption was 924.1MB. Max. memory is 16.1GB. [2021-12-22 13:33:19,479 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 102.8MB. Free memory is still 59.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-22 13:33:19,479 INFO L158 Benchmark]: CACSL2BoogieTranslator took 381.49ms. Allocated memory is still 102.8MB. Free memory was 72.9MB in the beginning and 60.9MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-22 13:33:19,480 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.44ms. Allocated memory is still 102.8MB. Free memory was 60.9MB in the beginning and 57.2MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-22 13:33:19,480 INFO L158 Benchmark]: Boogie Preprocessor took 68.33ms. Allocated memory is still 102.8MB. Free memory was 57.2MB in the beginning and 53.5MB in the end (delta: 3.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-22 13:33:19,480 INFO L158 Benchmark]: RCFGBuilder took 1328.54ms. Allocated memory was 102.8MB in the beginning and 132.1MB in the end (delta: 29.4MB). Free memory was 53.5MB in the beginning and 67.0MB in the end (delta: -13.6MB). Peak memory consumption was 57.6MB. Max. memory is 16.1GB. [2021-12-22 13:33:19,480 INFO L158 Benchmark]: TraceAbstraction took 23819.98ms. Allocated memory was 132.1MB in the beginning and 2.1GB in the end (delta: 2.0GB). Free memory was 67.0MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 875.4MB. Max. memory is 16.1GB. [2021-12-22 13:33:19,480 INFO L158 Benchmark]: Witness Printer took 54.06ms. Allocated memory is still 2.1GB. Free memory was 1.2GB in the beginning and 1.1GB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-22 13:33:19,482 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 102.8MB. Free memory is still 59.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 381.49ms. Allocated memory is still 102.8MB. Free memory was 72.9MB in the beginning and 60.9MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.44ms. Allocated memory is still 102.8MB. Free memory was 60.9MB in the beginning and 57.2MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.33ms. Allocated memory is still 102.8MB. Free memory was 57.2MB in the beginning and 53.5MB in the end (delta: 3.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1328.54ms. Allocated memory was 102.8MB in the beginning and 132.1MB in the end (delta: 29.4MB). Free memory was 53.5MB in the beginning and 67.0MB in the end (delta: -13.6MB). Peak memory consumption was 57.6MB. Max. memory is 16.1GB. * TraceAbstraction took 23819.98ms. Allocated memory was 132.1MB in the beginning and 2.1GB in the end (delta: 2.0GB). Free memory was 67.0MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 875.4MB. Max. memory is 16.1GB. * Witness Printer took 54.06ms. Allocated memory is still 2.1GB. Free memory was 1.2GB in the beginning and 1.1GB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 149 locations, 6 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 23.6s, OverallIterations: 17, TraceHistogramMax: 1, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 18.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1024 SdHoareTripleChecker+Valid, 5.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1024 mSDsluCounter, 1294 SdHoareTripleChecker+Invalid, 4.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2023 mSDsCounter, 661 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5018 IncrementalHoareTripleChecker+Invalid, 5679 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 661 mSolverCounterUnsat, 210 mSDtfsCounter, 5018 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 306 GetRequests, 35 SyntacticMatches, 3 SemanticMatches, 268 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 976 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1818occurred in iteration=11, InterpolantAutomatonStates: 214, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 1427 NumberOfCodeBlocks, 1427 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1410 ConstructedInterpolants, 0 QuantifiedInterpolants, 10218 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 17 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-12-22 13:33:19,519 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE