/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/rfi000_tso.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bf34d27 [2022-01-18 22:48:18,203 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-18 22:48:18,204 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-18 22:48:18,269 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-18 22:48:18,269 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-18 22:48:18,270 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-18 22:48:18,271 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-18 22:48:18,272 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-18 22:48:18,272 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-18 22:48:18,273 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-18 22:48:18,273 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-18 22:48:18,274 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-18 22:48:18,274 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-18 22:48:18,275 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-18 22:48:18,275 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-18 22:48:18,276 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-18 22:48:18,277 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-18 22:48:18,277 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-18 22:48:18,278 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-18 22:48:18,279 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-18 22:48:18,280 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-18 22:48:18,280 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-18 22:48:18,281 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-18 22:48:18,281 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-18 22:48:18,283 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-18 22:48:18,284 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-18 22:48:18,285 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-18 22:48:18,285 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-18 22:48:18,286 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-18 22:48:18,286 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-18 22:48:18,286 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-18 22:48:18,287 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-18 22:48:18,287 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-18 22:48:18,287 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-18 22:48:18,288 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-18 22:48:18,288 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-18 22:48:18,289 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2022-01-18 22:48:18,300 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-18 22:48:18,300 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-18 22:48:18,301 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-18 22:48:18,301 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-18 22:48:18,302 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-18 22:48:18,302 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-18 22:48:18,302 INFO L138 SettingsManager]: * Use SBE=true [2022-01-18 22:48:18,302 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-18 22:48:18,302 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-18 22:48:18,302 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-18 22:48:18,302 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-18 22:48:18,303 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-18 22:48:18,303 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-18 22:48:18,303 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-18 22:48:18,303 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-18 22:48:18,303 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-18 22:48:18,303 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-18 22:48:18,303 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-18 22:48:18,304 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-18 22:48:18,304 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-18 22:48:18,304 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-18 22:48:18,304 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-18 22:48:18,304 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-18 22:48:18,304 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 22:48:18,304 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-18 22:48:18,304 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-18 22:48:18,305 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-18 22:48:18,305 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-18 22:48:18,305 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-18 22:48:18,305 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-18 22:48:18,305 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-18 22:48:18,305 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-18 22:48:18,432 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-18 22:48:18,445 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-18 22:48:18,447 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-18 22:48:18,447 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-18 22:48:18,448 INFO L275 PluginConnector]: CDTParser initialized [2022-01-18 22:48:18,448 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi000_tso.i [2022-01-18 22:48:18,482 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c54f39600/c1b944db78274c05b99c1474e822bc4b/FLAGb08e08ce5 [2022-01-18 22:48:18,980 INFO L306 CDTParser]: Found 1 translation units. [2022-01-18 22:48:18,981 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi000_tso.i [2022-01-18 22:48:19,000 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c54f39600/c1b944db78274c05b99c1474e822bc4b/FLAGb08e08ce5 [2022-01-18 22:48:19,469 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c54f39600/c1b944db78274c05b99c1474e822bc4b [2022-01-18 22:48:19,471 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-18 22:48:19,472 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-18 22:48:19,483 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-18 22:48:19,483 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-18 22:48:19,485 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-18 22:48:19,486 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 10:48:19" (1/1) ... [2022-01-18 22:48:19,486 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a27fe6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 10:48:19, skipping insertion in model container [2022-01-18 22:48:19,486 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 10:48:19" (1/1) ... [2022-01-18 22:48:19,491 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-18 22:48:19,525 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-18 22:48:19,645 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi000_tso.i[944,957] [2022-01-18 22:48:19,836 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 22:48:19,841 INFO L203 MainTranslator]: Completed pre-run [2022-01-18 22:48:19,853 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi000_tso.i[944,957] [2022-01-18 22:48:19,897 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 22:48:19,930 INFO L208 MainTranslator]: Completed translation [2022-01-18 22:48:19,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 10:48:19 WrapperNode [2022-01-18 22:48:19,931 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-18 22:48:19,932 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-18 22:48:19,932 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-18 22:48:19,932 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-18 22:48:19,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 10:48:19" (1/1) ... [2022-01-18 22:48:19,966 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 10:48:19" (1/1) ... [2022-01-18 22:48:20,000 INFO L137 Inliner]: procedures = 175, calls = 45, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 464 [2022-01-18 22:48:20,001 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-18 22:48:20,001 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-18 22:48:20,002 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-18 22:48:20,002 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-18 22:48:20,007 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 10:48:19" (1/1) ... [2022-01-18 22:48:20,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 10:48:19" (1/1) ... [2022-01-18 22:48:20,018 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 10:48:19" (1/1) ... [2022-01-18 22:48:20,018 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 10:48:19" (1/1) ... [2022-01-18 22:48:20,025 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 10:48:19" (1/1) ... [2022-01-18 22:48:20,028 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 10:48:19" (1/1) ... [2022-01-18 22:48:20,030 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 10:48:19" (1/1) ... [2022-01-18 22:48:20,034 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-18 22:48:20,035 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-18 22:48:20,035 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-18 22:48:20,035 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-18 22:48:20,035 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 10:48:19" (1/1) ... [2022-01-18 22:48:20,042 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 22:48:20,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 22:48:20,069 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) [2022-01-18 22:48:20,087 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 [2022-01-18 22:48:20,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-18 22:48:20,101 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-01-18 22:48:20,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-18 22:48:20,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-18 22:48:20,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-18 22:48:20,101 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-01-18 22:48:20,101 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-01-18 22:48:20,101 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-01-18 22:48:20,101 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-01-18 22:48:20,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-18 22:48:20,102 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-01-18 22:48:20,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-18 22:48:20,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-18 22:48:20,103 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-18 22:48:20,203 INFO L234 CfgBuilder]: Building ICFG [2022-01-18 22:48:20,204 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-18 22:48:20,717 INFO L275 CfgBuilder]: Performing block encoding [2022-01-18 22:48:21,031 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-18 22:48:21,031 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-18 22:48:21,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 10:48:21 BoogieIcfgContainer [2022-01-18 22:48:21,033 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-18 22:48:21,036 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-18 22:48:21,036 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-18 22:48:21,038 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-18 22:48:21,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.01 10:48:19" (1/3) ... [2022-01-18 22:48:21,039 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@436ad408 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 10:48:21, skipping insertion in model container [2022-01-18 22:48:21,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 10:48:19" (2/3) ... [2022-01-18 22:48:21,039 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@436ad408 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 10:48:21, skipping insertion in model container [2022-01-18 22:48:21,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 10:48:21" (3/3) ... [2022-01-18 22:48:21,040 INFO L111 eAbstractionObserver]: Analyzing ICFG rfi000_tso.i [2022-01-18 22:48:21,046 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-18 22:48:21,046 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-01-18 22:48:21,046 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-18 22:48:21,084 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,084 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,085 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,085 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,085 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,085 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,085 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,085 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,085 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,085 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,085 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,085 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,086 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,086 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,086 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,087 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,087 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,087 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,087 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,087 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,087 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,087 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,088 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,088 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,088 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,088 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,089 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,089 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,089 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,089 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,089 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,089 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,089 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,089 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,090 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,090 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,090 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,090 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,090 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,090 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,090 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,090 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,091 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,091 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,091 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,091 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,091 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,091 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,091 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,091 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,091 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,091 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,091 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,092 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,092 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,092 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,092 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,092 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,092 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,092 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,092 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,092 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,092 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,092 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,092 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,092 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,092 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,092 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,093 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,093 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,093 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,093 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,093 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,093 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,093 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,093 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,093 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,093 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,093 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,093 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,095 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,095 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,095 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,095 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,095 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,095 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,096 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,096 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,096 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,096 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,097 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,097 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,097 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,098 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,100 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,108 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,108 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,108 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,108 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,108 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,108 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,108 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,108 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,109 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,109 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,109 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,109 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,109 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,109 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,109 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,109 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,109 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,109 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,109 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,109 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,109 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,109 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,109 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,111 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,111 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,112 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,112 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,112 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,112 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,112 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,112 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,112 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,112 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,112 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,112 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,112 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,112 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,112 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,112 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,113 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,113 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,113 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,113 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,113 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,113 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,113 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,113 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,113 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,114 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,114 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,114 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,114 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,114 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,114 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,114 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,114 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,114 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,114 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,114 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,114 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,114 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,116 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,116 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,116 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,116 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,116 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,116 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,116 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,117 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,117 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,117 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,117 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,117 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,117 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,117 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,117 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,117 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,117 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,117 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,117 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,117 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,117 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,118 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,118 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,118 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,118 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,118 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,118 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,118 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,118 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,118 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,118 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,118 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,118 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,118 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,118 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,119 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,119 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,119 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,120 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,121 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,121 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,121 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite59#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,121 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite60#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,121 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,121 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite58#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,121 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,121 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,121 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,122 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite59#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,122 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite60#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,122 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,122 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite58#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,122 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,122 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,122 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,123 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,126 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,126 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,126 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,126 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,126 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,126 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,126 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,126 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,127 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,129 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,130 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,130 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,131 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,131 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,131 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,135 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,135 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,135 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite58#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,135 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,136 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,136 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,136 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite59#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,136 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,136 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,136 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,136 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,136 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,136 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,136 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,136 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,137 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,137 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,137 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,137 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,137 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,137 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,137 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,137 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,137 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,137 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,138 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,138 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,138 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,138 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,138 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,138 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,138 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,138 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,138 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,138 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,139 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,139 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,139 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite60#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,139 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,139 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,139 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,139 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,139 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,140 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,140 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,140 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,140 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,140 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,140 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,141 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,141 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,141 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,141 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:48:21,141 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-01-18 22:48:21,185 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-18 22:48:21,190 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=false, 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 [2022-01-18 22:48:21,191 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-01-18 22:48:21,199 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 102 places, 97 transitions, 204 flow [2022-01-18 22:48:21,235 INFO L129 PetriNetUnfolder]: 2/95 cut-off events. [2022-01-18 22:48:21,235 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-01-18 22:48:21,238 INFO L84 FinitePrefix]: Finished finitePrefix Result has 102 conditions, 95 events. 2/95 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 47 event pairs, 0 based on Foata normal form. 0/91 useless extension candidates. Maximal degree in co-relation 57. Up to 2 conditions per place. [2022-01-18 22:48:21,238 INFO L82 GeneralOperation]: Start removeDead. Operand has 102 places, 97 transitions, 204 flow [2022-01-18 22:48:21,242 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 100 places, 95 transitions, 196 flow [2022-01-18 22:48:21,256 INFO L129 PetriNetUnfolder]: 0/59 cut-off events. [2022-01-18 22:48:21,257 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-01-18 22:48:21,257 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 22:48:21,257 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] [2022-01-18 22:48:21,258 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2022-01-18 22:48:21,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 22:48:21,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1219813241, now seen corresponding path program 1 times [2022-01-18 22:48:21,270 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 22:48:21,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415895393] [2022-01-18 22:48:21,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 22:48:21,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 22:48:21,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 22:48:21,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 22:48:21,491 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 22:48:21,491 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415895393] [2022-01-18 22:48:21,492 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415895393] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 22:48:21,492 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 22:48:21,492 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-18 22:48:21,493 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167057147] [2022-01-18 22:48:21,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 22:48:21,498 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-18 22:48:21,499 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 22:48:21,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-18 22:48:21,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 22:48:21,521 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 97 [2022-01-18 22:48:21,524 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 95 transitions, 196 flow. Second operand has 3 states, 3 states have (on average 84.33333333333333) internal successors, (253), 3 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 22:48:21,524 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 22:48:21,524 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 97 [2022-01-18 22:48:21,524 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 22:48:21,590 INFO L129 PetriNetUnfolder]: 31/182 cut-off events. [2022-01-18 22:48:21,590 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-01-18 22:48:21,591 INFO L84 FinitePrefix]: Finished finitePrefix Result has 256 conditions, 182 events. 31/182 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 541 event pairs, 3 based on Foata normal form. 10/181 useless extension candidates. Maximal degree in co-relation 208. Up to 53 conditions per place. [2022-01-18 22:48:21,592 INFO L132 encePairwiseOnDemand]: 92/97 looper letters, 11 selfloop transitions, 2 changer transitions 0/94 dead transitions. [2022-01-18 22:48:21,592 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 94 transitions, 220 flow [2022-01-18 22:48:21,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-18 22:48:21,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-01-18 22:48:21,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 267 transitions. [2022-01-18 22:48:21,601 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9175257731958762 [2022-01-18 22:48:21,601 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 267 transitions. [2022-01-18 22:48:21,601 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 267 transitions. [2022-01-18 22:48:21,602 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 22:48:21,603 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 267 transitions. [2022-01-18 22:48:21,605 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 89.0) internal successors, (267), 3 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 22:48:21,609 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 97.0) internal successors, (388), 4 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 22:48:21,610 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 97.0) internal successors, (388), 4 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 22:48:21,611 INFO L186 Difference]: Start difference. First operand has 100 places, 95 transitions, 196 flow. Second operand 3 states and 267 transitions. [2022-01-18 22:48:21,611 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 94 transitions, 220 flow [2022-01-18 22:48:21,613 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 94 transitions, 218 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-01-18 22:48:21,615 INFO L242 Difference]: Finished difference. Result has 98 places, 91 transitions, 190 flow [2022-01-18 22:48:21,616 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=190, PETRI_PLACES=98, PETRI_TRANSITIONS=91} [2022-01-18 22:48:21,618 INFO L334 CegarLoopForPetriNet]: 100 programPoint places, -2 predicate places. [2022-01-18 22:48:21,618 INFO L470 AbstractCegarLoop]: Abstraction has has 98 places, 91 transitions, 190 flow [2022-01-18 22:48:21,619 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 84.33333333333333) internal successors, (253), 3 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 22:48:21,619 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 22:48:21,619 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 22:48:21,619 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-18 22:48:21,619 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2022-01-18 22:48:21,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 22:48:21,619 INFO L85 PathProgramCache]: Analyzing trace with hash -832897983, now seen corresponding path program 1 times [2022-01-18 22:48:21,620 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 22:48:21,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530960915] [2022-01-18 22:48:21,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 22:48:21,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 22:48:21,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 22:48:21,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 22:48:21,817 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 22:48:21,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530960915] [2022-01-18 22:48:21,817 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530960915] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 22:48:21,817 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 22:48:21,817 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-18 22:48:21,818 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25631505] [2022-01-18 22:48:21,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 22:48:21,819 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-18 22:48:21,819 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 22:48:21,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-18 22:48:21,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-01-18 22:48:21,822 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 97 [2022-01-18 22:48:21,822 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 91 transitions, 190 flow. Second operand has 6 states, 6 states have (on average 76.66666666666667) internal successors, (460), 6 states have internal predecessors, (460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 22:48:21,822 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 22:48:21,822 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 97 [2022-01-18 22:48:21,822 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 22:48:22,183 INFO L129 PetriNetUnfolder]: 307/991 cut-off events. [2022-01-18 22:48:22,183 INFO L130 PetriNetUnfolder]: For 32/32 co-relation queries the response was YES. [2022-01-18 22:48:22,186 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1582 conditions, 991 events. 307/991 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 6402 event pairs, 138 based on Foata normal form. 0/957 useless extension candidates. Maximal degree in co-relation 1533. Up to 329 conditions per place. [2022-01-18 22:48:22,188 INFO L132 encePairwiseOnDemand]: 90/97 looper letters, 18 selfloop transitions, 3 changer transitions 46/131 dead transitions. [2022-01-18 22:48:22,188 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 131 transitions, 394 flow [2022-01-18 22:48:22,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-18 22:48:22,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-01-18 22:48:22,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 735 transitions. [2022-01-18 22:48:22,193 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8419243986254296 [2022-01-18 22:48:22,193 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 735 transitions. [2022-01-18 22:48:22,194 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 735 transitions. [2022-01-18 22:48:22,195 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 22:48:22,195 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 735 transitions. [2022-01-18 22:48:22,197 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 81.66666666666667) internal successors, (735), 9 states have internal predecessors, (735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 22:48:22,199 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 97.0) internal successors, (970), 10 states have internal predecessors, (970), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 22:48:22,199 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 97.0) internal successors, (970), 10 states have internal predecessors, (970), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 22:48:22,199 INFO L186 Difference]: Start difference. First operand has 98 places, 91 transitions, 190 flow. Second operand 9 states and 735 transitions. [2022-01-18 22:48:22,199 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 131 transitions, 394 flow [2022-01-18 22:48:22,201 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 131 transitions, 384 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-01-18 22:48:22,202 INFO L242 Difference]: Finished difference. Result has 111 places, 83 transitions, 209 flow [2022-01-18 22:48:22,203 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=209, PETRI_PLACES=111, PETRI_TRANSITIONS=83} [2022-01-18 22:48:22,203 INFO L334 CegarLoopForPetriNet]: 100 programPoint places, 11 predicate places. [2022-01-18 22:48:22,203 INFO L470 AbstractCegarLoop]: Abstraction has has 111 places, 83 transitions, 209 flow [2022-01-18 22:48:22,204 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 76.66666666666667) internal successors, (460), 6 states have internal predecessors, (460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 22:48:22,204 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 22:48:22,204 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] [2022-01-18 22:48:22,204 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-18 22:48:22,204 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2022-01-18 22:48:22,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 22:48:22,204 INFO L85 PathProgramCache]: Analyzing trace with hash -950222048, now seen corresponding path program 1 times [2022-01-18 22:48:22,204 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 22:48:22,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722038165] [2022-01-18 22:48:22,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 22:48:22,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 22:48:22,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 22:48:22,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 22:48:22,297 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 22:48:22,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722038165] [2022-01-18 22:48:22,297 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722038165] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 22:48:22,297 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 22:48:22,297 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-18 22:48:22,297 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019996167] [2022-01-18 22:48:22,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 22:48:22,298 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-18 22:48:22,298 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 22:48:22,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-18 22:48:22,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-01-18 22:48:22,299 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 97 [2022-01-18 22:48:22,299 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 83 transitions, 209 flow. Second operand has 6 states, 6 states have (on average 78.66666666666667) internal successors, (472), 6 states have internal predecessors, (472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 22:48:22,299 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 22:48:22,299 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 97 [2022-01-18 22:48:22,299 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 22:48:22,512 INFO L129 PetriNetUnfolder]: 157/422 cut-off events. [2022-01-18 22:48:22,512 INFO L130 PetriNetUnfolder]: For 347/349 co-relation queries the response was YES. [2022-01-18 22:48:22,513 INFO L84 FinitePrefix]: Finished finitePrefix Result has 979 conditions, 422 events. 157/422 cut-off events. For 347/349 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1825 event pairs, 43 based on Foata normal form. 17/419 useless extension candidates. Maximal degree in co-relation 923. Up to 124 conditions per place. [2022-01-18 22:48:22,515 INFO L132 encePairwiseOnDemand]: 91/97 looper letters, 15 selfloop transitions, 2 changer transitions 25/110 dead transitions. [2022-01-18 22:48:22,515 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 110 transitions, 365 flow [2022-01-18 22:48:22,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-18 22:48:22,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-01-18 22:48:22,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 737 transitions. [2022-01-18 22:48:22,517 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8442153493699885 [2022-01-18 22:48:22,517 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 737 transitions. [2022-01-18 22:48:22,517 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 737 transitions. [2022-01-18 22:48:22,518 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 22:48:22,518 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 737 transitions. [2022-01-18 22:48:22,519 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 81.88888888888889) internal successors, (737), 9 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) [2022-01-18 22:48:22,521 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 97.0) internal successors, (970), 10 states have internal predecessors, (970), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 22:48:22,521 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 97.0) internal successors, (970), 10 states have internal predecessors, (970), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 22:48:22,521 INFO L186 Difference]: Start difference. First operand has 111 places, 83 transitions, 209 flow. Second operand 9 states and 737 transitions. [2022-01-18 22:48:22,521 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 110 transitions, 365 flow [2022-01-18 22:48:22,525 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 110 transitions, 346 flow, removed 8 selfloop flow, removed 4 redundant places. [2022-01-18 22:48:22,527 INFO L242 Difference]: Finished difference. Result has 106 places, 83 transitions, 218 flow [2022-01-18 22:48:22,527 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=198, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=218, PETRI_PLACES=106, PETRI_TRANSITIONS=83} [2022-01-18 22:48:22,529 INFO L334 CegarLoopForPetriNet]: 100 programPoint places, 6 predicate places. [2022-01-18 22:48:22,530 INFO L470 AbstractCegarLoop]: Abstraction has has 106 places, 83 transitions, 218 flow [2022-01-18 22:48:22,530 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 78.66666666666667) internal successors, (472), 6 states have internal predecessors, (472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 22:48:22,530 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 22:48:22,530 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] [2022-01-18 22:48:22,530 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-18 22:48:22,530 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2022-01-18 22:48:22,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 22:48:22,531 INFO L85 PathProgramCache]: Analyzing trace with hash -251448737, now seen corresponding path program 1 times [2022-01-18 22:48:22,531 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 22:48:22,531 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771350958] [2022-01-18 22:48:22,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 22:48:22,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 22:48:22,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 22:48:22,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 22:48:22,658 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 22:48:22,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771350958] [2022-01-18 22:48:22,659 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771350958] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 22:48:22,659 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 22:48:22,659 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-18 22:48:22,659 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808510179] [2022-01-18 22:48:22,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 22:48:22,659 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-18 22:48:22,659 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 22:48:22,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-18 22:48:22,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-01-18 22:48:22,660 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 97 [2022-01-18 22:48:22,661 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 83 transitions, 218 flow. Second operand has 6 states, 6 states have (on average 79.0) internal successors, (474), 6 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 22:48:22,661 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 22:48:22,661 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 97 [2022-01-18 22:48:22,661 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 22:48:22,835 INFO L129 PetriNetUnfolder]: 93/304 cut-off events. [2022-01-18 22:48:22,835 INFO L130 PetriNetUnfolder]: For 296/296 co-relation queries the response was YES. [2022-01-18 22:48:22,836 INFO L84 FinitePrefix]: Finished finitePrefix Result has 708 conditions, 304 events. 93/304 cut-off events. For 296/296 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1141 event pairs, 30 based on Foata normal form. 9/298 useless extension candidates. Maximal degree in co-relation 647. Up to 78 conditions per place. [2022-01-18 22:48:22,837 INFO L132 encePairwiseOnDemand]: 91/97 looper letters, 15 selfloop transitions, 2 changer transitions 19/104 dead transitions. [2022-01-18 22:48:22,837 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 104 transitions, 360 flow [2022-01-18 22:48:22,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-18 22:48:22,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-01-18 22:48:22,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 731 transitions. [2022-01-18 22:48:22,839 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8373424971363116 [2022-01-18 22:48:22,839 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 731 transitions. [2022-01-18 22:48:22,839 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 731 transitions. [2022-01-18 22:48:22,839 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 22:48:22,839 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 731 transitions. [2022-01-18 22:48:22,840 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 81.22222222222223) internal successors, (731), 9 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 22:48:22,842 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 97.0) internal successors, (970), 10 states have internal predecessors, (970), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 22:48:22,842 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 97.0) internal successors, (970), 10 states have internal predecessors, (970), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 22:48:22,842 INFO L186 Difference]: Start difference. First operand has 106 places, 83 transitions, 218 flow. Second operand 9 states and 731 transitions. [2022-01-18 22:48:22,842 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 104 transitions, 360 flow [2022-01-18 22:48:22,846 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 104 transitions, 324 flow, removed 16 selfloop flow, removed 8 redundant places. [2022-01-18 22:48:22,847 INFO L242 Difference]: Finished difference. Result has 107 places, 83 transitions, 218 flow [2022-01-18 22:48:22,847 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=198, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=218, PETRI_PLACES=107, PETRI_TRANSITIONS=83} [2022-01-18 22:48:22,848 INFO L334 CegarLoopForPetriNet]: 100 programPoint places, 7 predicate places. [2022-01-18 22:48:22,848 INFO L470 AbstractCegarLoop]: Abstraction has has 107 places, 83 transitions, 218 flow [2022-01-18 22:48:22,849 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 79.0) internal successors, (474), 6 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 22:48:22,849 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 22:48:22,849 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] [2022-01-18 22:48:22,849 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-18 22:48:22,849 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2022-01-18 22:48:22,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 22:48:22,850 INFO L85 PathProgramCache]: Analyzing trace with hash 58676518, now seen corresponding path program 1 times [2022-01-18 22:48:22,850 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 22:48:22,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670834802] [2022-01-18 22:48:22,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 22:48:22,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 22:48:22,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 22:48:23,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 22:48:23,189 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 22:48:23,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670834802] [2022-01-18 22:48:23,189 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670834802] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 22:48:23,189 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 22:48:23,189 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-01-18 22:48:23,189 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126125408] [2022-01-18 22:48:23,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 22:48:23,190 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-01-18 22:48:23,190 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 22:48:23,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-01-18 22:48:23,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-01-18 22:48:23,191 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 70 out of 97 [2022-01-18 22:48:23,192 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 83 transitions, 218 flow. Second operand has 12 states, 12 states have (on average 71.58333333333333) internal successors, (859), 12 states have internal predecessors, (859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 22:48:23,192 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 22:48:23,192 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 70 of 97 [2022-01-18 22:48:23,192 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 22:48:23,469 INFO L129 PetriNetUnfolder]: 121/363 cut-off events. [2022-01-18 22:48:23,469 INFO L130 PetriNetUnfolder]: For 323/323 co-relation queries the response was YES. [2022-01-18 22:48:23,470 INFO L84 FinitePrefix]: Finished finitePrefix Result has 859 conditions, 363 events. 121/363 cut-off events. For 323/323 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1462 event pairs, 51 based on Foata normal form. 8/352 useless extension candidates. Maximal degree in co-relation 791. Up to 159 conditions per place. [2022-01-18 22:48:23,471 INFO L132 encePairwiseOnDemand]: 84/97 looper letters, 22 selfloop transitions, 15 changer transitions 23/121 dead transitions. [2022-01-18 22:48:23,471 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 115 places, 121 transitions, 456 flow [2022-01-18 22:48:23,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-18 22:48:23,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2022-01-18 22:48:23,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1112 transitions. [2022-01-18 22:48:23,473 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7642611683848797 [2022-01-18 22:48:23,474 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1112 transitions. [2022-01-18 22:48:23,474 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1112 transitions. [2022-01-18 22:48:23,474 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 22:48:23,474 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1112 transitions. [2022-01-18 22:48:23,476 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 74.13333333333334) internal successors, (1112), 15 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 22:48:23,477 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 97.0) internal successors, (1552), 16 states have internal predecessors, (1552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 22:48:23,479 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 97.0) internal successors, (1552), 16 states have internal predecessors, (1552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 22:48:23,479 INFO L186 Difference]: Start difference. First operand has 107 places, 83 transitions, 218 flow. Second operand 15 states and 1112 transitions. [2022-01-18 22:48:23,479 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 115 places, 121 transitions, 456 flow [2022-01-18 22:48:23,480 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 121 transitions, 422 flow, removed 14 selfloop flow, removed 8 redundant places. [2022-01-18 22:48:23,483 INFO L242 Difference]: Finished difference. Result has 118 places, 95 transitions, 305 flow [2022-01-18 22:48:23,484 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=202, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=305, PETRI_PLACES=118, PETRI_TRANSITIONS=95} [2022-01-18 22:48:23,485 INFO L334 CegarLoopForPetriNet]: 100 programPoint places, 18 predicate places. [2022-01-18 22:48:23,486 INFO L470 AbstractCegarLoop]: Abstraction has has 118 places, 95 transitions, 305 flow [2022-01-18 22:48:23,486 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 71.58333333333333) internal successors, (859), 12 states have internal predecessors, (859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 22:48:23,486 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 22:48:23,486 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 22:48:23,486 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-18 22:48:23,486 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2022-01-18 22:48:23,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 22:48:23,487 INFO L85 PathProgramCache]: Analyzing trace with hash -1057984626, now seen corresponding path program 2 times [2022-01-18 22:48:23,487 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 22:48:23,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137721773] [2022-01-18 22:48:23,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 22:48:23,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 22:48:23,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 22:48:23,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 22:48:23,895 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 22:48:23,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137721773] [2022-01-18 22:48:23,895 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137721773] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 22:48:23,896 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 22:48:23,896 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-01-18 22:48:23,896 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492911935] [2022-01-18 22:48:23,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 22:48:23,896 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-01-18 22:48:23,896 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 22:48:23,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-01-18 22:48:23,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-01-18 22:48:23,898 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 97 [2022-01-18 22:48:23,899 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 95 transitions, 305 flow. Second operand has 12 states, 12 states have (on average 69.75) internal successors, (837), 12 states have internal predecessors, (837), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 22:48:23,899 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 22:48:23,899 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 97 [2022-01-18 22:48:23,899 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 22:48:24,369 INFO L129 PetriNetUnfolder]: 105/340 cut-off events. [2022-01-18 22:48:24,370 INFO L130 PetriNetUnfolder]: For 469/511 co-relation queries the response was YES. [2022-01-18 22:48:24,371 INFO L84 FinitePrefix]: Finished finitePrefix Result has 947 conditions, 340 events. 105/340 cut-off events. For 469/511 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1304 event pairs, 51 based on Foata normal form. 15/337 useless extension candidates. Maximal degree in co-relation 870. Up to 124 conditions per place. [2022-01-18 22:48:24,372 INFO L132 encePairwiseOnDemand]: 84/97 looper letters, 26 selfloop transitions, 21 changer transitions 26/132 dead transitions. [2022-01-18 22:48:24,372 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 132 transitions, 635 flow [2022-01-18 22:48:24,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-18 22:48:24,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2022-01-18 22:48:24,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 1357 transitions. [2022-01-18 22:48:24,374 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7362995116657624 [2022-01-18 22:48:24,374 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 1357 transitions. [2022-01-18 22:48:24,374 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 1357 transitions. [2022-01-18 22:48:24,375 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 22:48:24,375 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 1357 transitions. [2022-01-18 22:48:24,377 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 71.42105263157895) internal successors, (1357), 19 states have internal predecessors, (1357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 22:48:24,379 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 97.0) internal successors, (1940), 20 states have internal predecessors, (1940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 22:48:24,379 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 97.0) internal successors, (1940), 20 states have internal predecessors, (1940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 22:48:24,379 INFO L186 Difference]: Start difference. First operand has 118 places, 95 transitions, 305 flow. Second operand 19 states and 1357 transitions. [2022-01-18 22:48:24,379 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 132 transitions, 635 flow [2022-01-18 22:48:24,382 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 132 transitions, 595 flow, removed 18 selfloop flow, removed 8 redundant places. [2022-01-18 22:48:24,383 INFO L242 Difference]: Finished difference. Result has 135 places, 101 transitions, 414 flow [2022-01-18 22:48:24,383 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=289, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=414, PETRI_PLACES=135, PETRI_TRANSITIONS=101} [2022-01-18 22:48:24,385 INFO L334 CegarLoopForPetriNet]: 100 programPoint places, 35 predicate places. [2022-01-18 22:48:24,385 INFO L470 AbstractCegarLoop]: Abstraction has has 135 places, 101 transitions, 414 flow [2022-01-18 22:48:24,386 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 69.75) internal successors, (837), 12 states have internal predecessors, (837), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 22:48:24,386 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 22:48:24,386 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] [2022-01-18 22:48:24,386 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-18 22:48:24,386 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2022-01-18 22:48:24,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 22:48:24,387 INFO L85 PathProgramCache]: Analyzing trace with hash 896094925, now seen corresponding path program 1 times [2022-01-18 22:48:24,387 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 22:48:24,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256893063] [2022-01-18 22:48:24,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 22:48:24,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 22:48:24,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 22:48:24,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 22:48:24,550 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 22:48:24,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256893063] [2022-01-18 22:48:24,551 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256893063] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 22:48:24,551 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 22:48:24,551 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 22:48:24,551 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281605645] [2022-01-18 22:48:24,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 22:48:24,554 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 22:48:24,554 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 22:48:24,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 22:48:24,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-01-18 22:48:24,555 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 69 out of 97 [2022-01-18 22:48:24,555 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 101 transitions, 414 flow. Second operand has 10 states, 10 states have (on average 70.9) internal successors, (709), 10 states have internal predecessors, (709), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 22:48:24,555 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 22:48:24,555 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 69 of 97 [2022-01-18 22:48:24,555 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 22:48:24,919 INFO L129 PetriNetUnfolder]: 345/820 cut-off events. [2022-01-18 22:48:24,919 INFO L130 PetriNetUnfolder]: For 1629/1633 co-relation queries the response was YES. [2022-01-18 22:48:24,922 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2501 conditions, 820 events. 345/820 cut-off events. For 1629/1633 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 4215 event pairs, 112 based on Foata normal form. 4/792 useless extension candidates. Maximal degree in co-relation 2417. Up to 321 conditions per place. [2022-01-18 22:48:24,925 INFO L132 encePairwiseOnDemand]: 84/97 looper letters, 49 selfloop transitions, 41 changer transitions 1/150 dead transitions. [2022-01-18 22:48:24,925 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 150 transitions, 788 flow [2022-01-18 22:48:24,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 22:48:24,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2022-01-18 22:48:24,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1185 transitions. [2022-01-18 22:48:24,927 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7635309278350515 [2022-01-18 22:48:24,927 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 1185 transitions. [2022-01-18 22:48:24,927 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 1185 transitions. [2022-01-18 22:48:24,927 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 22:48:24,927 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 1185 transitions. [2022-01-18 22:48:24,929 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 74.0625) internal successors, (1185), 16 states have internal predecessors, (1185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 22:48:24,931 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 97.0) internal successors, (1649), 17 states have internal predecessors, (1649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 22:48:24,931 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 97.0) internal successors, (1649), 17 states have internal predecessors, (1649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 22:48:24,931 INFO L186 Difference]: Start difference. First operand has 135 places, 101 transitions, 414 flow. Second operand 16 states and 1185 transitions. [2022-01-18 22:48:24,931 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 150 transitions, 788 flow [2022-01-18 22:48:24,935 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 150 transitions, 682 flow, removed 24 selfloop flow, removed 17 redundant places. [2022-01-18 22:48:24,936 INFO L242 Difference]: Finished difference. Result has 130 places, 132 transitions, 576 flow [2022-01-18 22:48:24,936 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=307, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=576, PETRI_PLACES=130, PETRI_TRANSITIONS=132} [2022-01-18 22:48:24,937 INFO L334 CegarLoopForPetriNet]: 100 programPoint places, 30 predicate places. [2022-01-18 22:48:24,937 INFO L470 AbstractCegarLoop]: Abstraction has has 130 places, 132 transitions, 576 flow [2022-01-18 22:48:24,937 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 70.9) internal successors, (709), 10 states have internal predecessors, (709), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 22:48:24,937 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 22:48:24,937 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] [2022-01-18 22:48:24,937 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-18 22:48:24,937 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2022-01-18 22:48:24,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 22:48:24,938 INFO L85 PathProgramCache]: Analyzing trace with hash -1061280011, now seen corresponding path program 2 times [2022-01-18 22:48:24,938 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 22:48:24,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609185879] [2022-01-18 22:48:24,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 22:48:24,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 22:48:24,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 22:48:25,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 22:48:25,021 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 22:48:25,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609185879] [2022-01-18 22:48:25,021 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609185879] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 22:48:25,021 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 22:48:25,021 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-18 22:48:25,021 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964498804] [2022-01-18 22:48:25,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 22:48:25,021 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-18 22:48:25,021 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 22:48:25,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-18 22:48:25,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-01-18 22:48:25,022 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 97 [2022-01-18 22:48:25,022 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 132 transitions, 576 flow. Second operand has 6 states, 6 states have (on average 76.33333333333333) internal successors, (458), 6 states have internal predecessors, (458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 22:48:25,023 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 22:48:25,023 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 97 [2022-01-18 22:48:25,023 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 22:48:25,237 INFO L129 PetriNetUnfolder]: 259/723 cut-off events. [2022-01-18 22:48:25,237 INFO L130 PetriNetUnfolder]: For 1176/1180 co-relation queries the response was YES. [2022-01-18 22:48:25,239 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2211 conditions, 723 events. 259/723 cut-off events. For 1176/1180 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 3951 event pairs, 9 based on Foata normal form. 27/744 useless extension candidates. Maximal degree in co-relation 2134. Up to 130 conditions per place. [2022-01-18 22:48:25,241 INFO L132 encePairwiseOnDemand]: 88/97 looper letters, 59 selfloop transitions, 17 changer transitions 37/184 dead transitions. [2022-01-18 22:48:25,242 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 184 transitions, 1099 flow [2022-01-18 22:48:25,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 22:48:25,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-01-18 22:48:25,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 820 transitions. [2022-01-18 22:48:25,243 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.845360824742268 [2022-01-18 22:48:25,243 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 820 transitions. [2022-01-18 22:48:25,243 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 820 transitions. [2022-01-18 22:48:25,244 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 22:48:25,244 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 820 transitions. [2022-01-18 22:48:25,245 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 82.0) internal successors, (820), 10 states have internal predecessors, (820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 22:48:25,246 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 97.0) internal successors, (1067), 11 states have internal predecessors, (1067), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 22:48:25,246 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 97.0) internal successors, (1067), 11 states have internal predecessors, (1067), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 22:48:25,246 INFO L186 Difference]: Start difference. First operand has 130 places, 132 transitions, 576 flow. Second operand 10 states and 820 transitions. [2022-01-18 22:48:25,246 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 184 transitions, 1099 flow [2022-01-18 22:48:25,251 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 184 transitions, 1070 flow, removed 9 selfloop flow, removed 3 redundant places. [2022-01-18 22:48:25,253 INFO L242 Difference]: Finished difference. Result has 140 places, 121 transitions, 551 flow [2022-01-18 22:48:25,253 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=534, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=551, PETRI_PLACES=140, PETRI_TRANSITIONS=121} [2022-01-18 22:48:25,253 INFO L334 CegarLoopForPetriNet]: 100 programPoint places, 40 predicate places. [2022-01-18 22:48:25,253 INFO L470 AbstractCegarLoop]: Abstraction has has 140 places, 121 transitions, 551 flow [2022-01-18 22:48:25,254 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 76.33333333333333) internal successors, (458), 6 states have internal predecessors, (458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 22:48:25,254 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 22:48:25,254 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] [2022-01-18 22:48:25,254 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-18 22:48:25,254 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2022-01-18 22:48:25,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 22:48:25,254 INFO L85 PathProgramCache]: Analyzing trace with hash 2103913940, now seen corresponding path program 1 times [2022-01-18 22:48:25,254 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 22:48:25,254 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887504566] [2022-01-18 22:48:25,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 22:48:25,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 22:48:25,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 22:48:25,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 22:48:25,644 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 22:48:25,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887504566] [2022-01-18 22:48:25,645 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887504566] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 22:48:25,645 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 22:48:25,645 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-01-18 22:48:25,645 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390792296] [2022-01-18 22:48:25,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 22:48:25,645 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-01-18 22:48:25,645 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 22:48:25,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-01-18 22:48:25,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2022-01-18 22:48:25,646 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 97 [2022-01-18 22:48:25,647 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 121 transitions, 551 flow. Second operand has 14 states, 14 states have (on average 68.71428571428571) internal successors, (962), 14 states have internal predecessors, (962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 22:48:25,647 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 22:48:25,647 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 97 [2022-01-18 22:48:25,647 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 22:48:26,075 INFO L129 PetriNetUnfolder]: 117/519 cut-off events. [2022-01-18 22:48:26,075 INFO L130 PetriNetUnfolder]: For 868/888 co-relation queries the response was YES. [2022-01-18 22:48:26,077 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1548 conditions, 519 events. 117/519 cut-off events. For 868/888 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 3036 event pairs, 21 based on Foata normal form. 8/508 useless extension candidates. Maximal degree in co-relation 1457. Up to 130 conditions per place. [2022-01-18 22:48:26,078 INFO L132 encePairwiseOnDemand]: 83/97 looper letters, 30 selfloop transitions, 28 changer transitions 13/146 dead transitions. [2022-01-18 22:48:26,078 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 146 transitions, 817 flow [2022-01-18 22:48:26,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-18 22:48:26,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2022-01-18 22:48:26,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 1194 transitions. [2022-01-18 22:48:26,081 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7240751970891449 [2022-01-18 22:48:26,081 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 1194 transitions. [2022-01-18 22:48:26,081 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 1194 transitions. [2022-01-18 22:48:26,081 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 22:48:26,082 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 1194 transitions. [2022-01-18 22:48:26,083 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 70.23529411764706) internal successors, (1194), 17 states have internal predecessors, (1194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 22:48:26,085 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 97.0) internal successors, (1746), 18 states have internal predecessors, (1746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 22:48:26,085 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 97.0) internal successors, (1746), 18 states have internal predecessors, (1746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 22:48:26,086 INFO L186 Difference]: Start difference. First operand has 140 places, 121 transitions, 551 flow. Second operand 17 states and 1194 transitions. [2022-01-18 22:48:26,086 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 146 transitions, 817 flow [2022-01-18 22:48:26,090 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 146 transitions, 799 flow, removed 5 selfloop flow, removed 4 redundant places. [2022-01-18 22:48:26,092 INFO L242 Difference]: Finished difference. Result has 158 places, 128 transitions, 661 flow [2022-01-18 22:48:26,092 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=533, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=121, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=661, PETRI_PLACES=158, PETRI_TRANSITIONS=128} [2022-01-18 22:48:26,092 INFO L334 CegarLoopForPetriNet]: 100 programPoint places, 58 predicate places. [2022-01-18 22:48:26,092 INFO L470 AbstractCegarLoop]: Abstraction has has 158 places, 128 transitions, 661 flow [2022-01-18 22:48:26,093 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 68.71428571428571) internal successors, (962), 14 states have internal predecessors, (962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 22:48:26,093 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 22:48:26,093 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] [2022-01-18 22:48:26,093 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-01-18 22:48:26,093 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2022-01-18 22:48:26,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 22:48:26,094 INFO L85 PathProgramCache]: Analyzing trace with hash 2110013716, now seen corresponding path program 2 times [2022-01-18 22:48:26,094 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 22:48:26,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619206882] [2022-01-18 22:48:26,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 22:48:26,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 22:48:26,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 22:48:26,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 22:48:26,537 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 22:48:26,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619206882] [2022-01-18 22:48:26,537 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619206882] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 22:48:26,537 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 22:48:26,537 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-01-18 22:48:26,537 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196755627] [2022-01-18 22:48:26,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 22:48:26,538 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-01-18 22:48:26,538 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 22:48:26,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-01-18 22:48:26,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2022-01-18 22:48:26,539 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 97 [2022-01-18 22:48:26,539 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 128 transitions, 661 flow. Second operand has 12 states, 12 states have (on average 69.91666666666667) internal successors, (839), 12 states have internal predecessors, (839), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 22:48:26,539 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 22:48:26,539 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 97 [2022-01-18 22:48:26,540 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 22:48:26,961 INFO L129 PetriNetUnfolder]: 122/558 cut-off events. [2022-01-18 22:48:26,961 INFO L130 PetriNetUnfolder]: For 1548/1747 co-relation queries the response was YES. [2022-01-18 22:48:26,964 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1909 conditions, 558 events. 122/558 cut-off events. For 1548/1747 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 3470 event pairs, 29 based on Foata normal form. 29/564 useless extension candidates. Maximal degree in co-relation 1818. Up to 130 conditions per place. [2022-01-18 22:48:26,965 INFO L132 encePairwiseOnDemand]: 85/97 looper letters, 36 selfloop transitions, 29 changer transitions 10/151 dead transitions. [2022-01-18 22:48:26,966 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 151 transitions, 992 flow [2022-01-18 22:48:26,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-18 22:48:26,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2022-01-18 22:48:26,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1074 transitions. [2022-01-18 22:48:26,968 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7381443298969073 [2022-01-18 22:48:26,968 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1074 transitions. [2022-01-18 22:48:26,968 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1074 transitions. [2022-01-18 22:48:26,968 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 22:48:26,968 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1074 transitions. [2022-01-18 22:48:26,969 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 71.6) internal successors, (1074), 15 states have internal predecessors, (1074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 22:48:26,971 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 97.0) internal successors, (1552), 16 states have internal predecessors, (1552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 22:48:26,971 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 97.0) internal successors, (1552), 16 states have internal predecessors, (1552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 22:48:26,971 INFO L186 Difference]: Start difference. First operand has 158 places, 128 transitions, 661 flow. Second operand 15 states and 1074 transitions. [2022-01-18 22:48:26,971 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 151 transitions, 992 flow [2022-01-18 22:48:26,977 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 151 transitions, 946 flow, removed 16 selfloop flow, removed 7 redundant places. [2022-01-18 22:48:26,979 INFO L242 Difference]: Finished difference. Result has 167 places, 137 transitions, 798 flow [2022-01-18 22:48:26,979 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=625, PETRI_DIFFERENCE_MINUEND_PLACES=145, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=798, PETRI_PLACES=167, PETRI_TRANSITIONS=137} [2022-01-18 22:48:26,980 INFO L334 CegarLoopForPetriNet]: 100 programPoint places, 67 predicate places. [2022-01-18 22:48:26,980 INFO L470 AbstractCegarLoop]: Abstraction has has 167 places, 137 transitions, 798 flow [2022-01-18 22:48:26,980 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 69.91666666666667) internal successors, (839), 12 states have internal predecessors, (839), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 22:48:26,980 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 22:48:26,980 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] [2022-01-18 22:48:26,981 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-01-18 22:48:26,981 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2022-01-18 22:48:26,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 22:48:26,981 INFO L85 PathProgramCache]: Analyzing trace with hash -1162837306, now seen corresponding path program 3 times [2022-01-18 22:48:26,981 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 22:48:26,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961905048] [2022-01-18 22:48:26,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 22:48:26,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 22:48:27,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 22:48:27,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 22:48:27,051 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 22:48:27,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961905048] [2022-01-18 22:48:27,051 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961905048] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 22:48:27,051 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 22:48:27,051 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-18 22:48:27,051 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745596488] [2022-01-18 22:48:27,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 22:48:27,051 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-18 22:48:27,052 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 22:48:27,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-18 22:48:27,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-01-18 22:48:27,052 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 97 [2022-01-18 22:48:27,053 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 137 transitions, 798 flow. Second operand has 7 states, 7 states have (on average 76.28571428571429) internal successors, (534), 7 states have internal predecessors, (534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 22:48:27,053 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 22:48:27,053 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 97 [2022-01-18 22:48:27,053 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 22:48:27,312 INFO L129 PetriNetUnfolder]: 345/862 cut-off events. [2022-01-18 22:48:27,312 INFO L130 PetriNetUnfolder]: For 3788/3822 co-relation queries the response was YES. [2022-01-18 22:48:27,316 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3752 conditions, 862 events. 345/862 cut-off events. For 3788/3822 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 5076 event pairs, 17 based on Foata normal form. 41/897 useless extension candidates. Maximal degree in co-relation 3704. Up to 162 conditions per place. [2022-01-18 22:48:27,318 INFO L132 encePairwiseOnDemand]: 88/97 looper letters, 65 selfloop transitions, 20 changer transitions 74/230 dead transitions. [2022-01-18 22:48:27,318 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 230 transitions, 1965 flow [2022-01-18 22:48:27,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-01-18 22:48:27,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2022-01-18 22:48:27,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1031 transitions. [2022-01-18 22:48:27,319 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8176050753370341 [2022-01-18 22:48:27,319 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1031 transitions. [2022-01-18 22:48:27,319 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1031 transitions. [2022-01-18 22:48:27,320 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 22:48:27,320 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1031 transitions. [2022-01-18 22:48:27,321 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 79.3076923076923) internal successors, (1031), 13 states have internal predecessors, (1031), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 22:48:27,322 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 97.0) internal successors, (1358), 14 states have internal predecessors, (1358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 22:48:27,322 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 97.0) internal successors, (1358), 14 states have internal predecessors, (1358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 22:48:27,322 INFO L186 Difference]: Start difference. First operand has 167 places, 137 transitions, 798 flow. Second operand 13 states and 1031 transitions. [2022-01-18 22:48:27,322 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 230 transitions, 1965 flow [2022-01-18 22:48:27,332 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 230 transitions, 1668 flow, removed 116 selfloop flow, removed 20 redundant places. [2022-01-18 22:48:27,334 INFO L242 Difference]: Finished difference. Result has 160 places, 140 transitions, 766 flow [2022-01-18 22:48:27,334 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=672, PETRI_DIFFERENCE_MINUEND_PLACES=141, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=766, PETRI_PLACES=160, PETRI_TRANSITIONS=140} [2022-01-18 22:48:27,334 INFO L334 CegarLoopForPetriNet]: 100 programPoint places, 60 predicate places. [2022-01-18 22:48:27,334 INFO L470 AbstractCegarLoop]: Abstraction has has 160 places, 140 transitions, 766 flow [2022-01-18 22:48:27,335 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 76.28571428571429) internal successors, (534), 7 states have internal predecessors, (534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 22:48:27,335 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 22:48:27,335 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] [2022-01-18 22:48:27,335 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-01-18 22:48:27,335 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2022-01-18 22:48:27,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 22:48:27,335 INFO L85 PathProgramCache]: Analyzing trace with hash -439734000, now seen corresponding path program 1 times [2022-01-18 22:48:27,335 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 22:48:27,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429726438] [2022-01-18 22:48:27,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 22:48:27,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 22:48:27,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 22:48:27,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 22:48:27,722 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 22:48:27,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429726438] [2022-01-18 22:48:27,722 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429726438] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 22:48:27,722 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 22:48:27,722 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 22:48:27,722 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215073350] [2022-01-18 22:48:27,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 22:48:27,722 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 22:48:27,722 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 22:48:27,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 22:48:27,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2022-01-18 22:48:27,723 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 97 [2022-01-18 22:48:27,724 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 140 transitions, 766 flow. Second operand has 16 states, 16 states have (on average 67.625) internal successors, (1082), 16 states have internal predecessors, (1082), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 22:48:27,724 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 22:48:27,724 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 97 [2022-01-18 22:48:27,724 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 22:48:28,069 INFO L129 PetriNetUnfolder]: 91/494 cut-off events. [2022-01-18 22:48:28,070 INFO L130 PetriNetUnfolder]: For 1302/1671 co-relation queries the response was YES. [2022-01-18 22:48:28,072 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1683 conditions, 494 events. 91/494 cut-off events. For 1302/1671 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 3282 event pairs, 13 based on Foata normal form. 40/508 useless extension candidates. Maximal degree in co-relation 1617. Up to 120 conditions per place. [2022-01-18 22:48:28,073 INFO L132 encePairwiseOnDemand]: 83/97 looper letters, 35 selfloop transitions, 24 changer transitions 12/147 dead transitions. [2022-01-18 22:48:28,073 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 170 places, 147 transitions, 930 flow [2022-01-18 22:48:28,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-01-18 22:48:28,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2022-01-18 22:48:28,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 969 transitions. [2022-01-18 22:48:28,074 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7135493372606775 [2022-01-18 22:48:28,074 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 969 transitions. [2022-01-18 22:48:28,074 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 969 transitions. [2022-01-18 22:48:28,074 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 22:48:28,074 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 969 transitions. [2022-01-18 22:48:28,076 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 69.21428571428571) internal successors, (969), 14 states have internal predecessors, (969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 22:48:28,077 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 97.0) internal successors, (1455), 15 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) [2022-01-18 22:48:28,077 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 97.0) internal successors, (1455), 15 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) [2022-01-18 22:48:28,077 INFO L186 Difference]: Start difference. First operand has 160 places, 140 transitions, 766 flow. Second operand 14 states and 969 transitions. [2022-01-18 22:48:28,077 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 170 places, 147 transitions, 930 flow [2022-01-18 22:48:28,083 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 147 transitions, 872 flow, removed 9 selfloop flow, removed 10 redundant places. [2022-01-18 22:48:28,085 INFO L242 Difference]: Finished difference. Result has 165 places, 134 transitions, 724 flow [2022-01-18 22:48:28,085 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=710, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=724, PETRI_PLACES=165, PETRI_TRANSITIONS=134} [2022-01-18 22:48:28,085 INFO L334 CegarLoopForPetriNet]: 100 programPoint places, 65 predicate places. [2022-01-18 22:48:28,085 INFO L470 AbstractCegarLoop]: Abstraction has has 165 places, 134 transitions, 724 flow [2022-01-18 22:48:28,086 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 67.625) internal successors, (1082), 16 states have internal predecessors, (1082), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 22:48:28,086 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 22:48:28,086 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] [2022-01-18 22:48:28,086 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-01-18 22:48:28,086 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2022-01-18 22:48:28,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 22:48:28,086 INFO L85 PathProgramCache]: Analyzing trace with hash -1041266056, now seen corresponding path program 2 times [2022-01-18 22:48:28,086 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 22:48:28,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620712669] [2022-01-18 22:48:28,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 22:48:28,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 22:48:28,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 22:48:28,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 22:48:28,535 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 22:48:28,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620712669] [2022-01-18 22:48:28,536 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620712669] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 22:48:28,536 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 22:48:28,536 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-01-18 22:48:28,536 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763445104] [2022-01-18 22:48:28,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 22:48:28,536 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 22:48:28,536 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 22:48:28,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 22:48:28,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2022-01-18 22:48:28,537 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 97 [2022-01-18 22:48:28,538 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 134 transitions, 724 flow. Second operand has 17 states, 17 states have (on average 65.6470588235294) internal successors, (1116), 17 states have internal predecessors, (1116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 22:48:28,538 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 22:48:28,538 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 97 [2022-01-18 22:48:28,538 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 22:48:28,790 INFO L129 PetriNetUnfolder]: 83/511 cut-off events. [2022-01-18 22:48:28,790 INFO L130 PetriNetUnfolder]: For 1120/1427 co-relation queries the response was YES. [2022-01-18 22:48:28,792 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1698 conditions, 511 events. 83/511 cut-off events. For 1120/1427 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 3591 event pairs, 16 based on Foata normal form. 32/524 useless extension candidates. Maximal degree in co-relation 1665. Up to 125 conditions per place. [2022-01-18 22:48:28,793 INFO L132 encePairwiseOnDemand]: 83/97 looper letters, 35 selfloop transitions, 8 changer transitions 35/142 dead transitions. [2022-01-18 22:48:28,793 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 176 places, 142 transitions, 894 flow [2022-01-18 22:48:28,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-18 22:48:28,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2022-01-18 22:48:28,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1006 transitions. [2022-01-18 22:48:28,795 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6914089347079038 [2022-01-18 22:48:28,795 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1006 transitions. [2022-01-18 22:48:28,795 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1006 transitions. [2022-01-18 22:48:28,795 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 22:48:28,795 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1006 transitions. [2022-01-18 22:48:28,796 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 67.06666666666666) internal successors, (1006), 15 states have internal predecessors, (1006), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 22:48:28,797 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 97.0) internal successors, (1552), 16 states have internal predecessors, (1552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 22:48:28,798 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 97.0) internal successors, (1552), 16 states have internal predecessors, (1552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 22:48:28,798 INFO L186 Difference]: Start difference. First operand has 165 places, 134 transitions, 724 flow. Second operand 15 states and 1006 transitions. [2022-01-18 22:48:28,798 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 176 places, 142 transitions, 894 flow [2022-01-18 22:48:28,803 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 157 places, 142 transitions, 798 flow, removed 9 selfloop flow, removed 19 redundant places. [2022-01-18 22:48:28,805 INFO L242 Difference]: Finished difference. Result has 163 places, 107 transitions, 481 flow [2022-01-18 22:48:28,805 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=636, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=126, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=481, PETRI_PLACES=163, PETRI_TRANSITIONS=107} [2022-01-18 22:48:28,806 INFO L334 CegarLoopForPetriNet]: 100 programPoint places, 63 predicate places. [2022-01-18 22:48:28,806 INFO L470 AbstractCegarLoop]: Abstraction has has 163 places, 107 transitions, 481 flow [2022-01-18 22:48:28,806 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 65.6470588235294) internal successors, (1116), 17 states have internal predecessors, (1116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 22:48:28,806 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 22:48:28,806 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] [2022-01-18 22:48:28,806 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-01-18 22:48:28,806 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2022-01-18 22:48:28,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 22:48:28,807 INFO L85 PathProgramCache]: Analyzing trace with hash 2087676904, now seen corresponding path program 3 times [2022-01-18 22:48:28,807 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 22:48:28,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803449484] [2022-01-18 22:48:28,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 22:48:28,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 22:48:28,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 22:48:28,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 22:48:28,883 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 22:48:28,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803449484] [2022-01-18 22:48:28,883 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803449484] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 22:48:28,883 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 22:48:28,883 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-18 22:48:28,883 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995333043] [2022-01-18 22:48:28,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 22:48:28,883 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-18 22:48:28,884 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 22:48:28,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-18 22:48:28,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-01-18 22:48:28,884 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 97 [2022-01-18 22:48:28,884 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 107 transitions, 481 flow. Second operand has 6 states, 6 states have (on average 77.83333333333333) internal successors, (467), 6 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 22:48:28,885 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 22:48:28,885 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 97 [2022-01-18 22:48:28,885 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 22:48:28,973 INFO L129 PetriNetUnfolder]: 42/272 cut-off events. [2022-01-18 22:48:28,973 INFO L130 PetriNetUnfolder]: For 544/978 co-relation queries the response was YES. [2022-01-18 22:48:28,974 INFO L84 FinitePrefix]: Finished finitePrefix Result has 819 conditions, 272 events. 42/272 cut-off events. For 544/978 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 1371 event pairs, 8 based on Foata normal form. 23/282 useless extension candidates. Maximal degree in co-relation 793. Up to 60 conditions per place. [2022-01-18 22:48:28,974 INFO L132 encePairwiseOnDemand]: 92/97 looper letters, 0 selfloop transitions, 0 changer transitions 110/110 dead transitions. [2022-01-18 22:48:28,974 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 110 transitions, 574 flow [2022-01-18 22:48:28,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-18 22:48:28,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-01-18 22:48:28,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 470 transitions. [2022-01-18 22:48:28,976 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8075601374570447 [2022-01-18 22:48:28,976 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 470 transitions. [2022-01-18 22:48:28,976 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 470 transitions. [2022-01-18 22:48:28,977 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 22:48:28,977 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 470 transitions. [2022-01-18 22:48:28,977 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 78.33333333333333) internal successors, (470), 6 states have internal predecessors, (470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 22:48:28,978 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 97.0) internal successors, (679), 7 states have internal predecessors, (679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 22:48:28,978 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 97.0) internal successors, (679), 7 states have internal predecessors, (679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 22:48:28,978 INFO L186 Difference]: Start difference. First operand has 163 places, 107 transitions, 481 flow. Second operand 6 states and 470 transitions. [2022-01-18 22:48:28,978 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 148 places, 110 transitions, 574 flow [2022-01-18 22:48:28,981 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 110 transitions, 504 flow, removed 15 selfloop flow, removed 22 redundant places. [2022-01-18 22:48:28,982 INFO L242 Difference]: Finished difference. Result has 126 places, 0 transitions, 0 flow [2022-01-18 22:48:28,982 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=411, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=105, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=126, PETRI_TRANSITIONS=0} [2022-01-18 22:48:28,982 INFO L334 CegarLoopForPetriNet]: 100 programPoint places, 26 predicate places. [2022-01-18 22:48:28,982 INFO L470 AbstractCegarLoop]: Abstraction has has 126 places, 0 transitions, 0 flow [2022-01-18 22:48:28,983 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 77.83333333333333) internal successors, (467), 6 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 22:48:28,984 INFO L764 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2022-01-18 22:48:28,984 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2022-01-18 22:48:28,985 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 5 remaining) [2022-01-18 22:48:28,985 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 5 remaining) [2022-01-18 22:48:28,985 INFO L764 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2022-01-18 22:48:28,985 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-01-18 22:48:28,987 INFO L732 BasicCegarLoop]: Path program histogram: [3, 3, 2, 2, 1, 1, 1, 1] [2022-01-18 22:48:28,989 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-18 22:48:28,989 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-01-18 22:48:28,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.01 10:48:28 BasicIcfg [2022-01-18 22:48:28,992 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-18 22:48:28,992 INFO L158 Benchmark]: Toolchain (without parser) took 9519.76ms. Allocated memory was 360.7MB in the beginning and 740.3MB in the end (delta: 379.6MB). Free memory was 303.5MB in the beginning and 281.1MB in the end (delta: 22.4MB). Peak memory consumption was 401.2MB. Max. memory is 16.0GB. [2022-01-18 22:48:28,992 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 360.7MB. Free memory is still 321.9MB. There was no memory consumed. Max. memory is 16.0GB. [2022-01-18 22:48:28,993 INFO L158 Benchmark]: CACSL2BoogieTranslator took 448.21ms. Allocated memory was 360.7MB in the beginning and 501.2MB in the end (delta: 140.5MB). Free memory was 303.4MB in the beginning and 459.1MB in the end (delta: -155.7MB). Peak memory consumption was 7.2MB. Max. memory is 16.0GB. [2022-01-18 22:48:28,993 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.14ms. Allocated memory is still 501.2MB. Free memory was 459.1MB in the beginning and 454.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2022-01-18 22:48:28,994 INFO L158 Benchmark]: Boogie Preprocessor took 32.74ms. Allocated memory is still 501.2MB. Free memory was 454.9MB in the beginning and 451.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-18 22:48:28,994 INFO L158 Benchmark]: RCFGBuilder took 998.73ms. Allocated memory is still 501.2MB. Free memory was 451.7MB in the beginning and 307.0MB in the end (delta: 144.7MB). Peak memory consumption was 144.7MB. Max. memory is 16.0GB. [2022-01-18 22:48:28,994 INFO L158 Benchmark]: TraceAbstraction took 7956.21ms. Allocated memory was 501.2MB in the beginning and 740.3MB in the end (delta: 239.1MB). Free memory was 307.0MB in the beginning and 281.1MB in the end (delta: 25.9MB). Peak memory consumption was 265.0MB. Max. memory is 16.0GB. [2022-01-18 22:48:28,995 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 360.7MB. Free memory is still 321.9MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 448.21ms. Allocated memory was 360.7MB in the beginning and 501.2MB in the end (delta: 140.5MB). Free memory was 303.4MB in the beginning and 459.1MB in the end (delta: -155.7MB). Peak memory consumption was 7.2MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 69.14ms. Allocated memory is still 501.2MB. Free memory was 459.1MB in the beginning and 454.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * Boogie Preprocessor took 32.74ms. Allocated memory is still 501.2MB. Free memory was 454.9MB in the beginning and 451.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 998.73ms. Allocated memory is still 501.2MB. Free memory was 451.7MB in the beginning and 307.0MB in the end (delta: 144.7MB). Peak memory consumption was 144.7MB. Max. memory is 16.0GB. * TraceAbstraction took 7956.21ms. Allocated memory was 501.2MB in the beginning and 740.3MB in the end (delta: 239.1MB). Free memory was 307.0MB in the beginning and 281.1MB in the end (delta: 25.9MB). Peak memory consumption was 265.0MB. Max. memory is 16.0GB. * 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 5 procedures, 117 locations, 5 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 7.8s, OverallIterations: 14, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 4.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 587 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 587 mSDsluCounter, 738 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1044 mSDsCounter, 169 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1900 IncrementalHoareTripleChecker+Invalid, 2069 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 169 mSolverCounterUnsat, 142 mSDtfsCounter, 1900 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 216 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 185 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 560 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=798occurred in iteration=10, InterpolantAutomatonStates: 170, 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: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 975 NumberOfCodeBlocks, 975 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 961 ConstructedInterpolants, 0 QuantifiedInterpolants, 6527 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-01-18 22:48:29,026 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...