/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-Before.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/unroll-cond-4.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bf34d27 [2022-01-19 09:26:05,295 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-19 09:26:05,296 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-19 09:26:05,324 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-19 09:26:05,324 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-19 09:26:05,326 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-19 09:26:05,336 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-19 09:26:05,338 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-19 09:26:05,338 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-19 09:26:05,339 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-19 09:26:05,339 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-19 09:26:05,340 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-19 09:26:05,340 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-19 09:26:05,341 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-19 09:26:05,341 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-19 09:26:05,342 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-19 09:26:05,343 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-19 09:26:05,343 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-19 09:26:05,344 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-19 09:26:05,345 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-19 09:26:05,363 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-19 09:26:05,368 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-19 09:26:05,370 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-19 09:26:05,371 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-19 09:26:05,375 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-19 09:26:05,375 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-19 09:26:05,375 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-19 09:26:05,375 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-19 09:26:05,376 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-19 09:26:05,376 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-19 09:26:05,376 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-19 09:26:05,377 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-19 09:26:05,377 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-19 09:26:05,377 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-19 09:26:05,378 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-19 09:26:05,378 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-19 09:26:05,379 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-19 09:26:05,379 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-19 09:26:05,379 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-19 09:26:05,379 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-19 09:26:05,380 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-19 09:26:05,380 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-Before.epf [2022-01-19 09:26:05,393 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-19 09:26:05,393 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-19 09:26:05,393 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-19 09:26:05,394 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-19 09:26:05,394 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-19 09:26:05,394 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-19 09:26:05,394 INFO L138 SettingsManager]: * Use SBE=true [2022-01-19 09:26:05,394 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-19 09:26:05,394 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-19 09:26:05,394 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-19 09:26:05,395 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-19 09:26:05,395 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-19 09:26:05,395 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-19 09:26:05,395 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-19 09:26:05,395 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-19 09:26:05,395 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-19 09:26:05,395 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-19 09:26:05,395 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-19 09:26:05,396 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-19 09:26:05,396 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-19 09:26:05,396 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-19 09:26:05,396 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-19 09:26:05,396 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-19 09:26:05,396 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-19 09:26:05,396 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-19 09:26:05,396 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-19 09:26:05,396 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-19 09:26:05,397 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-19 09:26:05,397 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-19 09:26:05,397 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-19 09:26:05,397 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-19 09:26:05,397 INFO L138 SettingsManager]: * When to check the insufficient erros location relative to the other error locations=BEFORE [2022-01-19 09:26:05,397 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-19 09:26:05,563 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-19 09:26:05,590 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-19 09:26:05,592 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-19 09:26:05,593 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-19 09:26:05,595 INFO L275 PluginConnector]: CDTParser initialized [2022-01-19 09:26:05,596 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/unroll-cond-4.wvr.c [2022-01-19 09:26:05,642 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/792b30efa/a6cbe5b30ea74a088d8cfd60b5df5089/FLAGf9e768eed [2022-01-19 09:26:05,985 INFO L306 CDTParser]: Found 1 translation units. [2022-01-19 09:26:05,986 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/unroll-cond-4.wvr.c [2022-01-19 09:26:05,994 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/792b30efa/a6cbe5b30ea74a088d8cfd60b5df5089/FLAGf9e768eed [2022-01-19 09:26:06,426 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/792b30efa/a6cbe5b30ea74a088d8cfd60b5df5089 [2022-01-19 09:26:06,427 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-19 09:26:06,428 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-19 09:26:06,438 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-19 09:26:06,438 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-19 09:26:06,440 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-19 09:26:06,440 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.01 09:26:06" (1/1) ... [2022-01-19 09:26:06,441 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2970fcc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 09:26:06, skipping insertion in model container [2022-01-19 09:26:06,441 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.01 09:26:06" (1/1) ... [2022-01-19 09:26:06,445 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-19 09:26:06,458 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-19 09:26:06,583 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/unroll-cond-4.wvr.c[2808,2821] [2022-01-19 09:26:06,588 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-19 09:26:06,593 INFO L203 MainTranslator]: Completed pre-run [2022-01-19 09:26:06,608 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/unroll-cond-4.wvr.c[2808,2821] [2022-01-19 09:26:06,610 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-19 09:26:06,618 INFO L208 MainTranslator]: Completed translation [2022-01-19 09:26:06,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 09:26:06 WrapperNode [2022-01-19 09:26:06,619 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-19 09:26:06,620 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-19 09:26:06,620 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-19 09:26:06,620 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-19 09:26:06,624 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 09:26:06" (1/1) ... [2022-01-19 09:26:06,629 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 09:26:06" (1/1) ... [2022-01-19 09:26:06,644 INFO L137 Inliner]: procedures = 24, calls = 41, calls flagged for inlining = 15, calls inlined = 15, statements flattened = 183 [2022-01-19 09:26:06,644 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-19 09:26:06,645 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-19 09:26:06,645 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-19 09:26:06,645 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-19 09:26:06,650 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 09:26:06" (1/1) ... [2022-01-19 09:26:06,651 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 09:26:06" (1/1) ... [2022-01-19 09:26:06,653 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 09:26:06" (1/1) ... [2022-01-19 09:26:06,653 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 09:26:06" (1/1) ... [2022-01-19 09:26:06,660 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 09:26:06" (1/1) ... [2022-01-19 09:26:06,663 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 09:26:06" (1/1) ... [2022-01-19 09:26:06,664 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 09:26:06" (1/1) ... [2022-01-19 09:26:06,666 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-19 09:26:06,667 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-19 09:26:06,667 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-19 09:26:06,667 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-19 09:26:06,667 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 09:26:06" (1/1) ... [2022-01-19 09:26:06,672 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-19 09:26:06,681 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 09:26:06,690 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) [2022-01-19 09:26:06,712 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 [2022-01-19 09:26:06,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-19 09:26:06,715 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-01-19 09:26:06,715 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-01-19 09:26:06,715 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-01-19 09:26:06,715 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-01-19 09:26:06,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-19 09:26:06,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-19 09:26:06,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-19 09:26:06,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-01-19 09:26:06,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-19 09:26:06,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-19 09:26:06,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-19 09:26:06,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-19 09:26:06,717 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-19 09:26:06,772 INFO L234 CfgBuilder]: Building ICFG [2022-01-19 09:26:06,773 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-19 09:26:06,992 INFO L275 CfgBuilder]: Performing block encoding [2022-01-19 09:26:07,000 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-19 09:26:07,000 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-01-19 09:26:07,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.01 09:26:07 BoogieIcfgContainer [2022-01-19 09:26:07,002 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-19 09:26:07,003 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-19 09:26:07,003 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-19 09:26:07,005 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-19 09:26:07,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.01 09:26:06" (1/3) ... [2022-01-19 09:26:07,006 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c0c9df2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.01 09:26:07, skipping insertion in model container [2022-01-19 09:26:07,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 09:26:06" (2/3) ... [2022-01-19 09:26:07,006 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c0c9df2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.01 09:26:07, skipping insertion in model container [2022-01-19 09:26:07,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.01 09:26:07" (3/3) ... [2022-01-19 09:26:07,007 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-cond-4.wvr.c [2022-01-19 09:26:07,011 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-19 09:26:07,011 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-19 09:26:07,011 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-19 09:26:07,045 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,046 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,046 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,046 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,047 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,047 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,047 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,048 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,048 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,048 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,048 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,048 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,049 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,049 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,049 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,049 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,049 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,049 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,049 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,049 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,050 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,050 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,050 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,050 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,050 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,051 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,051 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,051 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,051 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,051 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,052 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,052 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,052 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,052 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,052 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,052 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,053 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,053 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,057 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,057 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,057 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,058 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,058 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,059 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,059 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,059 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,060 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,060 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,060 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,061 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,061 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,061 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,062 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,062 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,062 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,063 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,063 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,063 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,063 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,064 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,064 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,064 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,064 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,064 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,065 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,065 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,065 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,065 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,065 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,065 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,066 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,066 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,066 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,066 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,066 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,066 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,066 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,066 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,067 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,067 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,067 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,067 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,067 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,067 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,068 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,068 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,068 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,068 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,068 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,068 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,068 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,069 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,069 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,069 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,069 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,069 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,069 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,069 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,069 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,070 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,070 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,070 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,070 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,070 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,070 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,070 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,071 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,071 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,071 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,071 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,071 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,071 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,071 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,072 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,072 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,072 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,072 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,072 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,072 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,072 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,073 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,073 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,073 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,073 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,073 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,073 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,073 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,073 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,074 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,074 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,074 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,074 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,074 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,074 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,074 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,074 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,075 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,075 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,075 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,075 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,075 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,075 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,075 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,075 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,076 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,076 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,076 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,076 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,076 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,076 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,076 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,076 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,076 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,077 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,077 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,077 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,077 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,077 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,077 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,077 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,077 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,077 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,078 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,078 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,078 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,078 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,078 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,078 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,078 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,078 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,079 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,079 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,079 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,079 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,079 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,079 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,079 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,079 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,080 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,080 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,080 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,080 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,080 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,080 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,080 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,081 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,081 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,081 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,081 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,081 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,081 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,081 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,082 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,082 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,082 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,082 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,082 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,082 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,082 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,083 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,083 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,083 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,083 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,083 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,083 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,083 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,083 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,084 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,084 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,084 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,084 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,084 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,084 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,084 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,085 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,085 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,085 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,085 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,085 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,085 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,085 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,085 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,085 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,086 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,086 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,086 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,086 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,086 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,086 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,086 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,087 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,087 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,087 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,087 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,087 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,087 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,087 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,087 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,087 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,088 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,088 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,088 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,088 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,088 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,088 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,088 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,088 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,089 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,089 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,089 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,089 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,089 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,089 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,089 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,089 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,089 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,092 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,092 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,092 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,092 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,092 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,092 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,092 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,094 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,094 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,094 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,094 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,094 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,094 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,095 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,095 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,095 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,095 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,095 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,095 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,095 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,095 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,095 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,095 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,096 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,096 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,096 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 09:26:07,098 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-01-19 09:26:07,129 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-19 09:26:07,135 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 [2022-01-19 09:26:07,136 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-01-19 09:26:07,145 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 225 places, 239 transitions, 494 flow [2022-01-19 09:26:07,208 INFO L129 PetriNetUnfolder]: 21/237 cut-off events. [2022-01-19 09:26:07,208 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-01-19 09:26:07,212 INFO L84 FinitePrefix]: Finished finitePrefix Result has 246 conditions, 237 events. 21/237 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 400 event pairs, 0 based on Foata normal form. 0/215 useless extension candidates. Maximal degree in co-relation 141. Up to 2 conditions per place. [2022-01-19 09:26:07,212 INFO L82 GeneralOperation]: Start removeDead. Operand has 225 places, 239 transitions, 494 flow [2022-01-19 09:26:07,216 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 214 places, 228 transitions, 468 flow [2022-01-19 09:26:07,245 INFO L129 PetriNetUnfolder]: 18/198 cut-off events. [2022-01-19 09:26:07,245 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-01-19 09:26:07,245 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 09:26:07,246 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 09:26:07,246 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-19 09:26:07,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 09:26:07,250 INFO L85 PathProgramCache]: Analyzing trace with hash -526128198, now seen corresponding path program 1 times [2022-01-19 09:26:07,255 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 09:26:07,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657152846] [2022-01-19 09:26:07,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 09:26:07,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 09:26:07,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 09:26:07,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 09:26:07,407 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 09:26:07,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657152846] [2022-01-19 09:26:07,408 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657152846] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 09:26:07,408 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 09:26:07,409 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-19 09:26:07,410 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446788100] [2022-01-19 09:26:07,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 09:26:07,417 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-19 09:26:07,417 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 09:26:07,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-19 09:26:07,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-19 09:26:07,446 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 239 [2022-01-19 09:26:07,452 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 214 places, 228 transitions, 468 flow. Second operand has 2 states, 2 states have (on average 222.0) internal successors, (444), 2 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 09:26:07,453 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 09:26:07,453 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 239 [2022-01-19 09:26:07,454 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 09:26:07,527 INFO L129 PetriNetUnfolder]: 6/213 cut-off events. [2022-01-19 09:26:07,543 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2022-01-19 09:26:07,544 INFO L84 FinitePrefix]: Finished finitePrefix Result has 227 conditions, 213 events. 6/213 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 370 event pairs, 0 based on Foata normal form. 18/213 useless extension candidates. Maximal degree in co-relation 132. Up to 5 conditions per place. [2022-01-19 09:26:07,546 INFO L132 encePairwiseOnDemand]: 224/239 looper letters, 4 selfloop transitions, 0 changer transitions 4/213 dead transitions. [2022-01-19 09:26:07,546 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 215 places, 213 transitions, 446 flow [2022-01-19 09:26:07,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-19 09:26:07,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-01-19 09:26:07,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 457 transitions. [2022-01-19 09:26:07,565 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9560669456066946 [2022-01-19 09:26:07,566 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 457 transitions. [2022-01-19 09:26:07,566 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 457 transitions. [2022-01-19 09:26:07,568 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 09:26:07,569 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 457 transitions. [2022-01-19 09:26:07,573 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 228.5) internal successors, (457), 2 states have internal predecessors, (457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 09:26:07,577 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 239.0) internal successors, (717), 3 states have internal predecessors, (717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 09:26:07,577 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 239.0) internal successors, (717), 3 states have internal predecessors, (717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 09:26:07,579 INFO L186 Difference]: Start difference. First operand has 214 places, 228 transitions, 468 flow. Second operand 2 states and 457 transitions. [2022-01-19 09:26:07,579 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 215 places, 213 transitions, 446 flow [2022-01-19 09:26:07,582 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 211 places, 213 transitions, 438 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-01-19 09:26:07,603 INFO L242 Difference]: Finished difference. Result has 211 places, 209 transitions, 422 flow [2022-01-19 09:26:07,606 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=430, PETRI_DIFFERENCE_MINUEND_PLACES=210, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=213, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=213, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=422, PETRI_PLACES=211, PETRI_TRANSITIONS=209} [2022-01-19 09:26:07,620 INFO L334 CegarLoopForPetriNet]: 214 programPoint places, -3 predicate places. [2022-01-19 09:26:07,620 INFO L470 AbstractCegarLoop]: Abstraction has has 211 places, 209 transitions, 422 flow [2022-01-19 09:26:07,621 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 222.0) internal successors, (444), 2 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 09:26:07,621 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 09:26:07,621 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 09:26:07,621 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-19 09:26:07,621 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-19 09:26:07,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 09:26:07,622 INFO L85 PathProgramCache]: Analyzing trace with hash -470246772, now seen corresponding path program 1 times [2022-01-19 09:26:07,622 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 09:26:07,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055041392] [2022-01-19 09:26:07,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 09:26:07,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 09:26:07,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 09:26:07,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 09:26:07,844 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 09:26:07,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055041392] [2022-01-19 09:26:07,844 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055041392] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 09:26:07,844 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 09:26:07,844 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-19 09:26:07,844 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400428994] [2022-01-19 09:26:07,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 09:26:07,846 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-19 09:26:07,846 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 09:26:07,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-19 09:26:07,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-19 09:26:07,848 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 239 [2022-01-19 09:26:07,849 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 211 places, 209 transitions, 422 flow. Second operand has 4 states, 4 states have (on average 195.0) internal successors, (780), 4 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 09:26:07,849 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 09:26:07,849 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 239 [2022-01-19 09:26:07,849 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 09:26:08,041 INFO L129 PetriNetUnfolder]: 175/845 cut-off events. [2022-01-19 09:26:08,041 INFO L130 PetriNetUnfolder]: For 31/31 co-relation queries the response was YES. [2022-01-19 09:26:08,045 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1147 conditions, 845 events. 175/845 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 4126 event pairs, 62 based on Foata normal form. 0/711 useless extension candidates. Maximal degree in co-relation 1144. Up to 215 conditions per place. [2022-01-19 09:26:08,048 INFO L132 encePairwiseOnDemand]: 233/239 looper letters, 43 selfloop transitions, 5 changer transitions 0/226 dead transitions. [2022-01-19 09:26:08,048 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 210 places, 226 transitions, 554 flow [2022-01-19 09:26:08,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-19 09:26:08,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-01-19 09:26:08,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 817 transitions. [2022-01-19 09:26:08,055 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.854602510460251 [2022-01-19 09:26:08,055 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 817 transitions. [2022-01-19 09:26:08,055 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 817 transitions. [2022-01-19 09:26:08,057 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 09:26:08,057 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 817 transitions. [2022-01-19 09:26:08,060 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 204.25) internal successors, (817), 4 states have internal predecessors, (817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 09:26:08,063 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 239.0) internal successors, (1195), 5 states have internal predecessors, (1195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 09:26:08,063 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 239.0) internal successors, (1195), 5 states have internal predecessors, (1195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 09:26:08,063 INFO L186 Difference]: Start difference. First operand has 211 places, 209 transitions, 422 flow. Second operand 4 states and 817 transitions. [2022-01-19 09:26:08,063 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 210 places, 226 transitions, 554 flow [2022-01-19 09:26:08,066 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 210 places, 226 transitions, 554 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-01-19 09:26:08,072 INFO L242 Difference]: Finished difference. Result has 212 places, 213 transitions, 456 flow [2022-01-19 09:26:08,072 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=422, PETRI_DIFFERENCE_MINUEND_PLACES=207, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=209, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=204, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=456, PETRI_PLACES=212, PETRI_TRANSITIONS=213} [2022-01-19 09:26:08,073 INFO L334 CegarLoopForPetriNet]: 214 programPoint places, -2 predicate places. [2022-01-19 09:26:08,073 INFO L470 AbstractCegarLoop]: Abstraction has has 212 places, 213 transitions, 456 flow [2022-01-19 09:26:08,074 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 195.0) internal successors, (780), 4 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 09:26:08,074 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 09:26:08,074 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 09:26:08,074 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-19 09:26:08,074 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-19 09:26:08,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 09:26:08,075 INFO L85 PathProgramCache]: Analyzing trace with hash -1418209290, now seen corresponding path program 1 times [2022-01-19 09:26:08,075 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 09:26:08,075 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586977566] [2022-01-19 09:26:08,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 09:26:08,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 09:26:08,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 09:26:08,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 09:26:08,244 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 09:26:08,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586977566] [2022-01-19 09:26:08,244 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586977566] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 09:26:08,244 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 09:26:08,245 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-19 09:26:08,245 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263482388] [2022-01-19 09:26:08,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 09:26:08,246 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-19 09:26:08,246 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 09:26:08,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-19 09:26:08,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-01-19 09:26:08,248 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 189 out of 239 [2022-01-19 09:26:08,249 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 212 places, 213 transitions, 456 flow. Second operand has 5 states, 5 states have (on average 192.0) internal successors, (960), 5 states have internal predecessors, (960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 09:26:08,249 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 09:26:08,249 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 189 of 239 [2022-01-19 09:26:08,249 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 09:26:08,573 INFO L129 PetriNetUnfolder]: 399/2005 cut-off events. [2022-01-19 09:26:08,573 INFO L130 PetriNetUnfolder]: For 136/147 co-relation queries the response was YES. [2022-01-19 09:26:08,577 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2923 conditions, 2005 events. 399/2005 cut-off events. For 136/147 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 14710 event pairs, 178 based on Foata normal form. 3/1791 useless extension candidates. Maximal degree in co-relation 2917. Up to 398 conditions per place. [2022-01-19 09:26:08,584 INFO L132 encePairwiseOnDemand]: 230/239 looper letters, 96 selfloop transitions, 7 changer transitions 0/278 dead transitions. [2022-01-19 09:26:08,584 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 217 places, 278 transitions, 852 flow [2022-01-19 09:26:08,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-19 09:26:08,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-01-19 09:26:08,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1227 transitions. [2022-01-19 09:26:08,587 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8556485355648535 [2022-01-19 09:26:08,587 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1227 transitions. [2022-01-19 09:26:08,587 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1227 transitions. [2022-01-19 09:26:08,588 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 09:26:08,588 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1227 transitions. [2022-01-19 09:26:08,590 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 204.5) internal successors, (1227), 6 states have internal predecessors, (1227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 09:26:08,594 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 239.0) internal successors, (1673), 7 states have internal predecessors, (1673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 09:26:08,595 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 239.0) internal successors, (1673), 7 states have internal predecessors, (1673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 09:26:08,595 INFO L186 Difference]: Start difference. First operand has 212 places, 213 transitions, 456 flow. Second operand 6 states and 1227 transitions. [2022-01-19 09:26:08,595 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 217 places, 278 transitions, 852 flow [2022-01-19 09:26:08,598 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 216 places, 278 transitions, 839 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-01-19 09:26:08,601 INFO L242 Difference]: Finished difference. Result has 219 places, 217 transitions, 498 flow [2022-01-19 09:26:08,601 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=452, PETRI_DIFFERENCE_MINUEND_PLACES=211, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=213, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=206, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=498, PETRI_PLACES=219, PETRI_TRANSITIONS=217} [2022-01-19 09:26:08,602 INFO L334 CegarLoopForPetriNet]: 214 programPoint places, 5 predicate places. [2022-01-19 09:26:08,603 INFO L470 AbstractCegarLoop]: Abstraction has has 219 places, 217 transitions, 498 flow [2022-01-19 09:26:08,604 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 192.0) internal successors, (960), 5 states have internal predecessors, (960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 09:26:08,604 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 09:26:08,604 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 09:26:08,604 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-19 09:26:08,604 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-19 09:26:08,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 09:26:08,605 INFO L85 PathProgramCache]: Analyzing trace with hash 128881940, now seen corresponding path program 2 times [2022-01-19 09:26:08,605 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 09:26:08,606 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768671433] [2022-01-19 09:26:08,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 09:26:08,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 09:26:08,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 09:26:08,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 09:26:08,772 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 09:26:08,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768671433] [2022-01-19 09:26:08,772 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768671433] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 09:26:08,772 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 09:26:08,772 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-19 09:26:08,772 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066768187] [2022-01-19 09:26:08,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 09:26:08,773 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-19 09:26:08,774 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 09:26:08,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-19 09:26:08,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-19 09:26:08,777 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 239 [2022-01-19 09:26:08,778 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 219 places, 217 transitions, 498 flow. Second operand has 4 states, 4 states have (on average 195.5) internal successors, (782), 4 states have internal predecessors, (782), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 09:26:08,778 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 09:26:08,778 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 239 [2022-01-19 09:26:08,778 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 09:26:08,958 INFO L129 PetriNetUnfolder]: 208/1233 cut-off events. [2022-01-19 09:26:08,962 INFO L130 PetriNetUnfolder]: For 274/325 co-relation queries the response was YES. [2022-01-19 09:26:08,965 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1854 conditions, 1233 events. 208/1233 cut-off events. For 274/325 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 8405 event pairs, 112 based on Foata normal form. 51/1197 useless extension candidates. Maximal degree in co-relation 1845. Up to 320 conditions per place. [2022-01-19 09:26:08,968 INFO L132 encePairwiseOnDemand]: 234/239 looper letters, 43 selfloop transitions, 6 changer transitions 0/228 dead transitions. [2022-01-19 09:26:08,968 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 222 places, 228 transitions, 630 flow [2022-01-19 09:26:08,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-19 09:26:08,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-01-19 09:26:08,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 813 transitions. [2022-01-19 09:26:08,970 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.850418410041841 [2022-01-19 09:26:08,970 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 813 transitions. [2022-01-19 09:26:08,970 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 813 transitions. [2022-01-19 09:26:08,970 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 09:26:08,970 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 813 transitions. [2022-01-19 09:26:08,971 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 203.25) internal successors, (813), 4 states have internal predecessors, (813), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 09:26:08,973 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 239.0) internal successors, (1195), 5 states have internal predecessors, (1195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 09:26:08,973 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 239.0) internal successors, (1195), 5 states have internal predecessors, (1195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 09:26:08,973 INFO L186 Difference]: Start difference. First operand has 219 places, 217 transitions, 498 flow. Second operand 4 states and 813 transitions. [2022-01-19 09:26:08,973 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 222 places, 228 transitions, 630 flow [2022-01-19 09:26:08,976 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 220 places, 228 transitions, 620 flow, removed 2 selfloop flow, removed 2 redundant places. [2022-01-19 09:26:08,979 INFO L242 Difference]: Finished difference. Result has 221 places, 216 transitions, 500 flow [2022-01-19 09:26:08,979 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=484, PETRI_DIFFERENCE_MINUEND_PLACES=217, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=216, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=210, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=500, PETRI_PLACES=221, PETRI_TRANSITIONS=216} [2022-01-19 09:26:08,980 INFO L334 CegarLoopForPetriNet]: 214 programPoint places, 7 predicate places. [2022-01-19 09:26:08,980 INFO L470 AbstractCegarLoop]: Abstraction has has 221 places, 216 transitions, 500 flow [2022-01-19 09:26:08,981 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 195.5) internal successors, (782), 4 states have internal predecessors, (782), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 09:26:08,981 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 09:26:08,981 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 09:26:08,981 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-19 09:26:08,981 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-19 09:26:08,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 09:26:08,982 INFO L85 PathProgramCache]: Analyzing trace with hash -936746672, now seen corresponding path program 1 times [2022-01-19 09:26:08,982 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 09:26:08,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730921352] [2022-01-19 09:26:08,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 09:26:08,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 09:26:09,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 09:26:09,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 09:26:09,141 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 09:26:09,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730921352] [2022-01-19 09:26:09,141 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730921352] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 09:26:09,141 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 09:26:09,141 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-19 09:26:09,142 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887676727] [2022-01-19 09:26:09,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 09:26:09,142 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-19 09:26:09,142 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 09:26:09,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-19 09:26:09,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-01-19 09:26:09,143 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 191 out of 239 [2022-01-19 09:26:09,144 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 221 places, 216 transitions, 500 flow. Second operand has 6 states, 6 states have (on average 193.5) internal successors, (1161), 6 states have internal predecessors, (1161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 09:26:09,144 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 09:26:09,145 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 191 of 239 [2022-01-19 09:26:09,145 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 09:26:09,362 INFO L129 PetriNetUnfolder]: 218/1261 cut-off events. [2022-01-19 09:26:09,362 INFO L130 PetriNetUnfolder]: For 354/409 co-relation queries the response was YES. [2022-01-19 09:26:09,366 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1944 conditions, 1261 events. 218/1261 cut-off events. For 354/409 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 8673 event pairs, 117 based on Foata normal form. 55/1231 useless extension candidates. Maximal degree in co-relation 1934. Up to 292 conditions per place. [2022-01-19 09:26:09,369 INFO L132 encePairwiseOnDemand]: 230/239 looper letters, 54 selfloop transitions, 10 changer transitions 0/242 dead transitions. [2022-01-19 09:26:09,369 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 227 places, 242 transitions, 715 flow [2022-01-19 09:26:09,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-19 09:26:09,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-01-19 09:26:09,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1394 transitions. [2022-01-19 09:26:09,372 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8332337118947998 [2022-01-19 09:26:09,372 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1394 transitions. [2022-01-19 09:26:09,372 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1394 transitions. [2022-01-19 09:26:09,372 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 09:26:09,372 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1394 transitions. [2022-01-19 09:26:09,374 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 199.14285714285714) internal successors, (1394), 7 states have internal predecessors, (1394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 09:26:09,377 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 239.0) internal successors, (1912), 8 states have internal predecessors, (1912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 09:26:09,377 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 239.0) internal successors, (1912), 8 states have internal predecessors, (1912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 09:26:09,377 INFO L186 Difference]: Start difference. First operand has 221 places, 216 transitions, 500 flow. Second operand 7 states and 1394 transitions. [2022-01-19 09:26:09,377 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 227 places, 242 transitions, 715 flow [2022-01-19 09:26:09,381 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 224 places, 242 transitions, 703 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-01-19 09:26:09,383 INFO L242 Difference]: Finished difference. Result has 228 places, 219 transitions, 535 flow [2022-01-19 09:26:09,383 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=488, PETRI_DIFFERENCE_MINUEND_PLACES=218, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=216, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=206, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=535, PETRI_PLACES=228, PETRI_TRANSITIONS=219} [2022-01-19 09:26:09,385 INFO L334 CegarLoopForPetriNet]: 214 programPoint places, 14 predicate places. [2022-01-19 09:26:09,385 INFO L470 AbstractCegarLoop]: Abstraction has has 228 places, 219 transitions, 535 flow [2022-01-19 09:26:09,386 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 193.5) internal successors, (1161), 6 states have internal predecessors, (1161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 09:26:09,386 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 09:26:09,386 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 09:26:09,386 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-19 09:26:09,386 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-19 09:26:09,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 09:26:09,387 INFO L85 PathProgramCache]: Analyzing trace with hash -445000328, now seen corresponding path program 1 times [2022-01-19 09:26:09,387 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 09:26:09,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361259348] [2022-01-19 09:26:09,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 09:26:09,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 09:26:09,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 09:26:09,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 09:26:09,527 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 09:26:09,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361259348] [2022-01-19 09:26:09,527 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361259348] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 09:26:09,528 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 09:26:09,528 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-19 09:26:09,528 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51477328] [2022-01-19 09:26:09,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 09:26:09,528 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-19 09:26:09,528 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 09:26:09,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-19 09:26:09,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-01-19 09:26:09,530 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 189 out of 239 [2022-01-19 09:26:09,531 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 228 places, 219 transitions, 535 flow. Second operand has 6 states, 6 states have (on average 191.83333333333334) internal successors, (1151), 6 states have internal predecessors, (1151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 09:26:09,531 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 09:26:09,531 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 189 of 239 [2022-01-19 09:26:09,531 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 09:26:09,801 INFO L129 PetriNetUnfolder]: 494/2495 cut-off events. [2022-01-19 09:26:09,802 INFO L130 PetriNetUnfolder]: For 757/757 co-relation queries the response was YES. [2022-01-19 09:26:09,808 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4077 conditions, 2495 events. 494/2495 cut-off events. For 757/757 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 19300 event pairs, 214 based on Foata normal form. 11/2354 useless extension candidates. Maximal degree in co-relation 4064. Up to 530 conditions per place. [2022-01-19 09:26:09,818 INFO L132 encePairwiseOnDemand]: 232/239 looper letters, 82 selfloop transitions, 11 changer transitions 0/269 dead transitions. [2022-01-19 09:26:09,818 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 269 transitions, 888 flow [2022-01-19 09:26:09,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-19 09:26:09,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-01-19 09:26:09,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1408 transitions. [2022-01-19 09:26:09,821 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8416019127316199 [2022-01-19 09:26:09,821 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1408 transitions. [2022-01-19 09:26:09,821 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1408 transitions. [2022-01-19 09:26:09,821 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 09:26:09,821 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1408 transitions. [2022-01-19 09:26:09,823 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 201.14285714285714) internal successors, (1408), 7 states have internal predecessors, (1408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 09:26:09,825 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 239.0) internal successors, (1912), 8 states have internal predecessors, (1912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 09:26:09,825 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 239.0) internal successors, (1912), 8 states have internal predecessors, (1912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 09:26:09,825 INFO L186 Difference]: Start difference. First operand has 228 places, 219 transitions, 535 flow. Second operand 7 states and 1408 transitions. [2022-01-19 09:26:09,825 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 234 places, 269 transitions, 888 flow [2022-01-19 09:26:09,829 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 231 places, 269 transitions, 875 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-01-19 09:26:09,832 INFO L242 Difference]: Finished difference. Result has 235 places, 224 transitions, 595 flow [2022-01-19 09:26:09,833 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=525, PETRI_DIFFERENCE_MINUEND_PLACES=225, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=219, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=211, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=595, PETRI_PLACES=235, PETRI_TRANSITIONS=224} [2022-01-19 09:26:09,835 INFO L334 CegarLoopForPetriNet]: 214 programPoint places, 21 predicate places. [2022-01-19 09:26:09,835 INFO L470 AbstractCegarLoop]: Abstraction has has 235 places, 224 transitions, 595 flow [2022-01-19 09:26:09,837 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 191.83333333333334) internal successors, (1151), 6 states have internal predecessors, (1151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 09:26:09,838 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 09:26:09,838 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 09:26:09,839 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-19 09:26:09,839 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-19 09:26:09,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 09:26:09,839 INFO L85 PathProgramCache]: Analyzing trace with hash 1946485220, now seen corresponding path program 2 times [2022-01-19 09:26:09,840 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 09:26:09,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225674555] [2022-01-19 09:26:09,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 09:26:09,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 09:26:09,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 09:26:09,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 09:26:09,957 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 09:26:09,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225674555] [2022-01-19 09:26:09,957 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225674555] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 09:26:09,957 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 09:26:09,957 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-19 09:26:09,958 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947201387] [2022-01-19 09:26:09,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 09:26:09,961 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-19 09:26:09,961 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 09:26:09,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-19 09:26:09,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-01-19 09:26:09,962 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 189 out of 239 [2022-01-19 09:26:09,963 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 235 places, 224 transitions, 595 flow. Second operand has 5 states, 5 states have (on average 192.4) internal successors, (962), 5 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) [2022-01-19 09:26:09,963 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 09:26:09,963 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 189 of 239 [2022-01-19 09:26:09,963 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 09:26:10,248 INFO L129 PetriNetUnfolder]: 512/2597 cut-off events. [2022-01-19 09:26:10,248 INFO L130 PetriNetUnfolder]: For 1598/1598 co-relation queries the response was YES. [2022-01-19 09:26:10,256 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4617 conditions, 2597 events. 512/2597 cut-off events. For 1598/1598 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 20518 event pairs, 233 based on Foata normal form. 2/2426 useless extension candidates. Maximal degree in co-relation 4599. Up to 477 conditions per place. [2022-01-19 09:26:10,263 INFO L132 encePairwiseOnDemand]: 232/239 looper letters, 85 selfloop transitions, 15 changer transitions 0/276 dead transitions. [2022-01-19 09:26:10,263 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 239 places, 276 transitions, 1030 flow [2022-01-19 09:26:10,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-19 09:26:10,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-01-19 09:26:10,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1029 transitions. [2022-01-19 09:26:10,265 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8610878661087866 [2022-01-19 09:26:10,265 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1029 transitions. [2022-01-19 09:26:10,265 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1029 transitions. [2022-01-19 09:26:10,266 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 09:26:10,266 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1029 transitions. [2022-01-19 09:26:10,267 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 205.8) internal successors, (1029), 5 states have internal predecessors, (1029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 09:26:10,268 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 239.0) internal successors, (1434), 6 states have internal predecessors, (1434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 09:26:10,269 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 239.0) internal successors, (1434), 6 states have internal predecessors, (1434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 09:26:10,269 INFO L186 Difference]: Start difference. First operand has 235 places, 224 transitions, 595 flow. Second operand 5 states and 1029 transitions. [2022-01-19 09:26:10,269 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 239 places, 276 transitions, 1030 flow [2022-01-19 09:26:10,274 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 237 places, 276 transitions, 1011 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-01-19 09:26:10,276 INFO L242 Difference]: Finished difference. Result has 240 places, 231 transitions, 717 flow [2022-01-19 09:26:10,276 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=586, PETRI_DIFFERENCE_MINUEND_PLACES=233, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=224, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=212, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=717, PETRI_PLACES=240, PETRI_TRANSITIONS=231} [2022-01-19 09:26:10,277 INFO L334 CegarLoopForPetriNet]: 214 programPoint places, 26 predicate places. [2022-01-19 09:26:10,277 INFO L470 AbstractCegarLoop]: Abstraction has has 240 places, 231 transitions, 717 flow [2022-01-19 09:26:10,277 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 192.4) internal successors, (962), 5 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) [2022-01-19 09:26:10,277 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 09:26:10,277 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 09:26:10,277 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-19 09:26:10,277 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-19 09:26:10,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 09:26:10,278 INFO L85 PathProgramCache]: Analyzing trace with hash 628648312, now seen corresponding path program 3 times [2022-01-19 09:26:10,278 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 09:26:10,278 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655667061] [2022-01-19 09:26:10,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 09:26:10,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 09:26:10,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 09:26:10,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 09:26:10,351 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 09:26:10,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655667061] [2022-01-19 09:26:10,351 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655667061] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 09:26:10,351 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 09:26:10,351 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-19 09:26:10,351 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548783817] [2022-01-19 09:26:10,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 09:26:10,352 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-19 09:26:10,352 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 09:26:10,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-19 09:26:10,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-19 09:26:10,353 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 189 out of 239 [2022-01-19 09:26:10,353 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 240 places, 231 transitions, 717 flow. Second operand has 5 states, 5 states have (on average 192.4) internal successors, (962), 5 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) [2022-01-19 09:26:10,353 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 09:26:10,353 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 189 of 239 [2022-01-19 09:26:10,354 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 09:26:10,635 INFO L129 PetriNetUnfolder]: 525/2657 cut-off events. [2022-01-19 09:26:10,635 INFO L130 PetriNetUnfolder]: For 2702/2704 co-relation queries the response was YES. [2022-01-19 09:26:10,644 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4936 conditions, 2657 events. 525/2657 cut-off events. For 2702/2704 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 20909 event pairs, 290 based on Foata normal form. 4/2489 useless extension candidates. Maximal degree in co-relation 4915. Up to 764 conditions per place. [2022-01-19 09:26:10,652 INFO L132 encePairwiseOnDemand]: 232/239 looper letters, 62 selfloop transitions, 20 changer transitions 0/258 dead transitions. [2022-01-19 09:26:10,652 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 244 places, 258 transitions, 1033 flow [2022-01-19 09:26:10,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-19 09:26:10,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-01-19 09:26:10,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1011 transitions. [2022-01-19 09:26:10,654 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8460251046025105 [2022-01-19 09:26:10,654 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1011 transitions. [2022-01-19 09:26:10,654 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1011 transitions. [2022-01-19 09:26:10,655 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 09:26:10,655 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1011 transitions. [2022-01-19 09:26:10,656 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 202.2) internal successors, (1011), 5 states have internal predecessors, (1011), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 09:26:10,657 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 239.0) internal successors, (1434), 6 states have internal predecessors, (1434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 09:26:10,658 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 239.0) internal successors, (1434), 6 states have internal predecessors, (1434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 09:26:10,658 INFO L186 Difference]: Start difference. First operand has 240 places, 231 transitions, 717 flow. Second operand 5 states and 1011 transitions. [2022-01-19 09:26:10,658 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 244 places, 258 transitions, 1033 flow [2022-01-19 09:26:10,664 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 243 places, 258 transitions, 1014 flow, removed 5 selfloop flow, removed 1 redundant places. [2022-01-19 09:26:10,666 INFO L242 Difference]: Finished difference. Result has 246 places, 238 transitions, 859 flow [2022-01-19 09:26:10,666 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=700, PETRI_DIFFERENCE_MINUEND_PLACES=239, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=231, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=215, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=859, PETRI_PLACES=246, PETRI_TRANSITIONS=238} [2022-01-19 09:26:10,668 INFO L334 CegarLoopForPetriNet]: 214 programPoint places, 32 predicate places. [2022-01-19 09:26:10,668 INFO L470 AbstractCegarLoop]: Abstraction has has 246 places, 238 transitions, 859 flow [2022-01-19 09:26:10,669 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 192.4) internal successors, (962), 5 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) [2022-01-19 09:26:10,669 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 09:26:10,669 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 09:26:10,669 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-19 09:26:10,669 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-19 09:26:10,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 09:26:10,669 INFO L85 PathProgramCache]: Analyzing trace with hash 85408710, now seen corresponding path program 4 times [2022-01-19 09:26:10,669 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 09:26:10,669 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414472615] [2022-01-19 09:26:10,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 09:26:10,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 09:26:10,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 09:26:10,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 09:26:10,791 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 09:26:10,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414472615] [2022-01-19 09:26:10,791 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414472615] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 09:26:10,792 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 09:26:10,792 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-19 09:26:10,792 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579853805] [2022-01-19 09:26:10,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 09:26:10,792 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-19 09:26:10,792 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 09:26:10,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-19 09:26:10,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-01-19 09:26:10,793 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 189 out of 239 [2022-01-19 09:26:10,794 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 246 places, 238 transitions, 859 flow. Second operand has 6 states, 6 states have (on average 191.83333333333334) internal successors, (1151), 6 states have internal predecessors, (1151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 09:26:10,794 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 09:26:10,794 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 189 of 239 [2022-01-19 09:26:10,794 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 09:26:11,097 INFO L129 PetriNetUnfolder]: 543/2749 cut-off events. [2022-01-19 09:26:11,097 INFO L130 PetriNetUnfolder]: For 3632/3642 co-relation queries the response was YES. [2022-01-19 09:26:11,106 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5233 conditions, 2749 events. 543/2749 cut-off events. For 3632/3642 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 21890 event pairs, 297 based on Foata normal form. 13/2587 useless extension candidates. Maximal degree in co-relation 5209. Up to 485 conditions per place. [2022-01-19 09:26:11,115 INFO L132 encePairwiseOnDemand]: 232/239 looper letters, 94 selfloop transitions, 18 changer transitions 0/288 dead transitions. [2022-01-19 09:26:11,115 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 251 places, 288 transitions, 1248 flow [2022-01-19 09:26:11,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-19 09:26:11,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-01-19 09:26:11,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1225 transitions. [2022-01-19 09:26:11,117 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8542538354253836 [2022-01-19 09:26:11,117 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1225 transitions. [2022-01-19 09:26:11,118 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1225 transitions. [2022-01-19 09:26:11,118 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 09:26:11,118 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1225 transitions. [2022-01-19 09:26:11,120 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 204.16666666666666) internal successors, (1225), 6 states have internal predecessors, (1225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 09:26:11,122 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 239.0) internal successors, (1673), 7 states have internal predecessors, (1673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 09:26:11,122 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 239.0) internal successors, (1673), 7 states have internal predecessors, (1673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 09:26:11,122 INFO L186 Difference]: Start difference. First operand has 246 places, 238 transitions, 859 flow. Second operand 6 states and 1225 transitions. [2022-01-19 09:26:11,123 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 251 places, 288 transitions, 1248 flow [2022-01-19 09:26:11,129 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 250 places, 288 transitions, 1202 flow, removed 16 selfloop flow, removed 1 redundant places. [2022-01-19 09:26:11,132 INFO L242 Difference]: Finished difference. Result has 253 places, 240 transitions, 883 flow [2022-01-19 09:26:11,133 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=797, PETRI_DIFFERENCE_MINUEND_PLACES=245, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=237, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=221, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=883, PETRI_PLACES=253, PETRI_TRANSITIONS=240} [2022-01-19 09:26:11,133 INFO L334 CegarLoopForPetriNet]: 214 programPoint places, 39 predicate places. [2022-01-19 09:26:11,133 INFO L470 AbstractCegarLoop]: Abstraction has has 253 places, 240 transitions, 883 flow [2022-01-19 09:26:11,134 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 191.83333333333334) internal successors, (1151), 6 states have internal predecessors, (1151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 09:26:11,134 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 09:26:11,134 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 09:26:11,134 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-01-19 09:26:11,134 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-19 09:26:11,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 09:26:11,135 INFO L85 PathProgramCache]: Analyzing trace with hash 1188686910, now seen corresponding path program 5 times [2022-01-19 09:26:11,135 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 09:26:11,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384852548] [2022-01-19 09:26:11,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 09:26:11,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 09:26:11,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 09:26:11,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 09:26:11,262 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 09:26:11,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384852548] [2022-01-19 09:26:11,262 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384852548] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 09:26:11,263 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 09:26:11,263 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-19 09:26:11,263 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290321143] [2022-01-19 09:26:11,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 09:26:11,263 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-19 09:26:11,263 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 09:26:11,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-19 09:26:11,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-01-19 09:26:11,265 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 189 out of 239 [2022-01-19 09:26:11,266 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 253 places, 240 transitions, 883 flow. Second operand has 6 states, 6 states have (on average 191.83333333333334) internal successors, (1151), 6 states have internal predecessors, (1151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 09:26:11,266 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 09:26:11,266 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 189 of 239 [2022-01-19 09:26:11,266 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 09:26:11,551 INFO L129 PetriNetUnfolder]: 523/2642 cut-off events. [2022-01-19 09:26:11,551 INFO L130 PetriNetUnfolder]: For 3654/3655 co-relation queries the response was YES. [2022-01-19 09:26:11,561 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5038 conditions, 2642 events. 523/2642 cut-off events. For 3654/3655 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 20767 event pairs, 264 based on Foata normal form. 12/2487 useless extension candidates. Maximal degree in co-relation 5011. Up to 736 conditions per place. [2022-01-19 09:26:11,569 INFO L132 encePairwiseOnDemand]: 232/239 looper letters, 74 selfloop transitions, 20 changer transitions 0/270 dead transitions. [2022-01-19 09:26:11,569 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 258 places, 270 transitions, 1177 flow [2022-01-19 09:26:11,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-19 09:26:11,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-01-19 09:26:11,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1211 transitions. [2022-01-19 09:26:11,572 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8444909344490934 [2022-01-19 09:26:11,572 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1211 transitions. [2022-01-19 09:26:11,572 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1211 transitions. [2022-01-19 09:26:11,572 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 09:26:11,573 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1211 transitions. [2022-01-19 09:26:11,574 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 201.83333333333334) internal successors, (1211), 6 states have internal predecessors, (1211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 09:26:11,576 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 239.0) internal successors, (1673), 7 states have internal predecessors, (1673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 09:26:11,577 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 239.0) internal successors, (1673), 7 states have internal predecessors, (1673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 09:26:11,577 INFO L186 Difference]: Start difference. First operand has 253 places, 240 transitions, 883 flow. Second operand 6 states and 1211 transitions. [2022-01-19 09:26:11,577 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 258 places, 270 transitions, 1177 flow [2022-01-19 09:26:11,586 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 256 places, 270 transitions, 1141 flow, removed 3 selfloop flow, removed 2 redundant places. [2022-01-19 09:26:11,589 INFO L242 Difference]: Finished difference. Result has 259 places, 242 transitions, 939 flow [2022-01-19 09:26:11,590 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=838, PETRI_DIFFERENCE_MINUEND_PLACES=251, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=239, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=220, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=939, PETRI_PLACES=259, PETRI_TRANSITIONS=242} [2022-01-19 09:26:11,590 INFO L334 CegarLoopForPetriNet]: 214 programPoint places, 45 predicate places. [2022-01-19 09:26:11,590 INFO L470 AbstractCegarLoop]: Abstraction has has 259 places, 242 transitions, 939 flow [2022-01-19 09:26:11,591 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 191.83333333333334) internal successors, (1151), 6 states have internal predecessors, (1151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 09:26:11,591 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 09:26:11,591 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 09:26:11,591 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-01-19 09:26:11,591 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-19 09:26:11,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 09:26:11,591 INFO L85 PathProgramCache]: Analyzing trace with hash 22975671, now seen corresponding path program 1 times [2022-01-19 09:26:11,591 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 09:26:11,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806423382] [2022-01-19 09:26:11,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 09:26:11,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 09:26:11,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 09:26:11,732 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 09:26:11,733 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 09:26:11,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806423382] [2022-01-19 09:26:11,733 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806423382] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-19 09:26:11,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1218817294] [2022-01-19 09:26:11,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 09:26:11,733 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 09:26:11,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 09:26:11,735 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-19 09:26:11,735 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-01-19 09:26:11,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 09:26:11,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 9 conjunts are in the unsatisfiable core [2022-01-19 09:26:11,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-19 09:26:12,090 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-19 09:26:12,091 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-19 09:26:12,091 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1218817294] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 09:26:12,091 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-19 09:26:12,091 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 14 [2022-01-19 09:26:12,091 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887131143] [2022-01-19 09:26:12,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 09:26:12,091 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-19 09:26:12,092 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 09:26:12,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-19 09:26:12,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2022-01-19 09:26:12,094 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 239 [2022-01-19 09:26:12,095 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 259 places, 242 transitions, 939 flow. Second operand has 8 states, 8 states have (on average 171.0) internal successors, (1368), 8 states have internal predecessors, (1368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 09:26:12,095 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 09:26:12,095 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 239 [2022-01-19 09:26:12,095 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 09:26:12,411 INFO L129 PetriNetUnfolder]: 371/1994 cut-off events. [2022-01-19 09:26:12,411 INFO L130 PetriNetUnfolder]: For 1524/1538 co-relation queries the response was YES. [2022-01-19 09:26:12,419 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3521 conditions, 1994 events. 371/1994 cut-off events. For 1524/1538 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 15890 event pairs, 207 based on Foata normal form. 2/1874 useless extension candidates. Maximal degree in co-relation 3491. Up to 555 conditions per place. [2022-01-19 09:26:12,423 INFO L132 encePairwiseOnDemand]: 219/239 looper letters, 47 selfloop transitions, 13 changer transitions 18/265 dead transitions. [2022-01-19 09:26:12,423 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 268 places, 265 transitions, 1147 flow [2022-01-19 09:26:12,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-19 09:26:12,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-01-19 09:26:12,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1760 transitions. [2022-01-19 09:26:12,426 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7364016736401674 [2022-01-19 09:26:12,426 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1760 transitions. [2022-01-19 09:26:12,426 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1760 transitions. [2022-01-19 09:26:12,427 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 09:26:12,427 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1760 transitions. [2022-01-19 09:26:12,429 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 176.0) internal successors, (1760), 10 states have internal predecessors, (1760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 09:26:12,440 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 239.0) internal successors, (2629), 11 states have internal predecessors, (2629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 09:26:12,442 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 239.0) internal successors, (2629), 11 states have internal predecessors, (2629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 09:26:12,442 INFO L186 Difference]: Start difference. First operand has 259 places, 242 transitions, 939 flow. Second operand 10 states and 1760 transitions. [2022-01-19 09:26:12,442 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 268 places, 265 transitions, 1147 flow [2022-01-19 09:26:12,448 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 266 places, 265 transitions, 1102 flow, removed 9 selfloop flow, removed 2 redundant places. [2022-01-19 09:26:12,450 INFO L242 Difference]: Finished difference. Result has 270 places, 243 transitions, 940 flow [2022-01-19 09:26:12,450 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=894, PETRI_DIFFERENCE_MINUEND_PLACES=257, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=242, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=229, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=940, PETRI_PLACES=270, PETRI_TRANSITIONS=243} [2022-01-19 09:26:12,451 INFO L334 CegarLoopForPetriNet]: 214 programPoint places, 56 predicate places. [2022-01-19 09:26:12,451 INFO L470 AbstractCegarLoop]: Abstraction has has 270 places, 243 transitions, 940 flow [2022-01-19 09:26:12,451 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 171.0) internal successors, (1368), 8 states have internal predecessors, (1368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 09:26:12,451 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 09:26:12,451 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 09:26:12,483 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-01-19 09:26:12,663 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-01-19 09:26:12,663 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-19 09:26:12,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 09:26:12,664 INFO L85 PathProgramCache]: Analyzing trace with hash 972953046, now seen corresponding path program 1 times [2022-01-19 09:26:12,664 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 09:26:12,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760581958] [2022-01-19 09:26:12,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 09:26:12,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 09:26:12,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 09:26:12,767 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-19 09:26:12,767 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 09:26:12,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760581958] [2022-01-19 09:26:12,768 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760581958] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-19 09:26:12,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1669111370] [2022-01-19 09:26:12,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 09:26:12,768 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 09:26:12,768 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 09:26:12,769 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-19 09:26:12,770 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-01-19 09:26:12,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 09:26:12,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 33 conjunts are in the unsatisfiable core [2022-01-19 09:26:12,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-19 09:26:13,399 INFO L353 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2022-01-19 09:26:13,400 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 10 [2022-01-19 09:26:13,475 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 09:26:13,476 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-19 09:26:13,907 INFO L353 Elim1Store]: treesize reduction 9, result has 43.8 percent of original size [2022-01-19 09:26:13,908 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 11 [2022-01-19 09:26:14,576 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 09:26:14,577 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1669111370] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-19 09:26:14,577 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-19 09:26:14,577 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 18, 18] total 35 [2022-01-19 09:26:14,577 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088813591] [2022-01-19 09:26:14,577 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-19 09:26:14,577 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2022-01-19 09:26:14,578 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 09:26:14,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2022-01-19 09:26:14,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=1081, Unknown=0, NotChecked=0, Total=1190 [2022-01-19 09:26:14,580 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 239 [2022-01-19 09:26:14,582 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 270 places, 243 transitions, 940 flow. Second operand has 35 states, 35 states have (on average 96.82857142857142) internal successors, (3389), 35 states have internal predecessors, (3389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 09:26:14,582 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 09:26:14,582 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 239 [2022-01-19 09:26:14,582 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 09:26:28,374 INFO L129 PetriNetUnfolder]: 23696/50660 cut-off events. [2022-01-19 09:26:28,375 INFO L130 PetriNetUnfolder]: For 44240/44270 co-relation queries the response was YES. [2022-01-19 09:26:28,682 INFO L84 FinitePrefix]: Finished finitePrefix Result has 111306 conditions, 50660 events. 23696/50660 cut-off events. For 44240/44270 co-relation queries the response was YES. Maximal size of possible extension queue 789. Compared 520501 event pairs, 846 based on Foata normal form. 96/49900 useless extension candidates. Maximal degree in co-relation 111272. Up to 7668 conditions per place. [2022-01-19 09:26:28,820 INFO L132 encePairwiseOnDemand]: 172/239 looper letters, 2001 selfloop transitions, 463 changer transitions 381/2927 dead transitions. [2022-01-19 09:26:28,821 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 420 places, 2927 transitions, 16045 flow [2022-01-19 09:26:28,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2022-01-19 09:26:28,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2022-01-19 09:26:28,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 16641 transitions. [2022-01-19 09:26:28,844 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.45212737053741237 [2022-01-19 09:26:28,844 INFO L72 ComplementDD]: Start complementDD. Operand 154 states and 16641 transitions. [2022-01-19 09:26:28,844 INFO L73 IsDeterministic]: Start isDeterministic. Operand 154 states and 16641 transitions. [2022-01-19 09:26:28,851 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 09:26:28,852 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 154 states and 16641 transitions. [2022-01-19 09:26:28,871 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 155 states, 154 states have (on average 108.05844155844156) internal successors, (16641), 154 states have internal predecessors, (16641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 09:26:28,911 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 155 states, 155 states have (on average 239.0) internal successors, (37045), 155 states have internal predecessors, (37045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 09:26:28,922 INFO L81 ComplementDD]: Finished complementDD. Result has 155 states, 155 states have (on average 239.0) internal successors, (37045), 155 states have internal predecessors, (37045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 09:26:28,922 INFO L186 Difference]: Start difference. First operand has 270 places, 243 transitions, 940 flow. Second operand 154 states and 16641 transitions. [2022-01-19 09:26:28,923 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 420 places, 2927 transitions, 16045 flow [2022-01-19 09:26:29,280 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 413 places, 2927 transitions, 15322 flow, removed 246 selfloop flow, removed 7 redundant places. [2022-01-19 09:26:29,297 INFO L242 Difference]: Finished difference. Result has 521 places, 693 transitions, 4959 flow [2022-01-19 09:26:29,298 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=911, PETRI_DIFFERENCE_MINUEND_PLACES=260, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=243, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=175, PETRI_DIFFERENCE_SUBTRAHEND_STATES=154, PETRI_FLOW=4959, PETRI_PLACES=521, PETRI_TRANSITIONS=693} [2022-01-19 09:26:29,298 INFO L334 CegarLoopForPetriNet]: 214 programPoint places, 307 predicate places. [2022-01-19 09:26:29,298 INFO L470 AbstractCegarLoop]: Abstraction has has 521 places, 693 transitions, 4959 flow [2022-01-19 09:26:29,299 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 96.82857142857142) internal successors, (3389), 35 states have internal predecessors, (3389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 09:26:29,299 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 09:26:29,299 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 09:26:29,315 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-01-19 09:26:29,515 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-01-19 09:26:29,515 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-19 09:26:29,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 09:26:29,516 INFO L85 PathProgramCache]: Analyzing trace with hash 1181521696, now seen corresponding path program 2 times [2022-01-19 09:26:29,516 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 09:26:29,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500323319] [2022-01-19 09:26:29,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 09:26:29,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 09:26:29,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 09:26:29,802 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-19 09:26:29,802 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 09:26:29,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500323319] [2022-01-19 09:26:29,802 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500323319] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 09:26:29,802 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 09:26:29,802 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-19 09:26:29,802 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011355697] [2022-01-19 09:26:29,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 09:26:29,803 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-19 09:26:29,803 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 09:26:29,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-19 09:26:29,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-01-19 09:26:29,805 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 187 out of 239 [2022-01-19 09:26:29,805 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 521 places, 693 transitions, 4959 flow. Second operand has 9 states, 9 states have (on average 189.44444444444446) internal successors, (1705), 9 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 09:26:29,806 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 09:26:29,806 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 187 of 239 [2022-01-19 09:26:29,806 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 09:26:32,886 INFO L129 PetriNetUnfolder]: 2397/10457 cut-off events. [2022-01-19 09:26:32,886 INFO L130 PetriNetUnfolder]: For 89511/89932 co-relation queries the response was YES. [2022-01-19 09:26:32,991 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38167 conditions, 10457 events. 2397/10457 cut-off events. For 89511/89932 co-relation queries the response was YES. Maximal size of possible extension queue 192. Compared 106773 event pairs, 688 based on Foata normal form. 69/10226 useless extension candidates. Maximal degree in co-relation 38028. Up to 1967 conditions per place. [2022-01-19 09:26:33,030 INFO L132 encePairwiseOnDemand]: 226/239 looper letters, 231 selfloop transitions, 123 changer transitions 2/857 dead transitions. [2022-01-19 09:26:33,030 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 489 places, 857 transitions, 6668 flow [2022-01-19 09:26:33,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-19 09:26:33,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2022-01-19 09:26:33,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 2371 transitions. [2022-01-19 09:26:33,033 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8267085076708508 [2022-01-19 09:26:33,033 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 2371 transitions. [2022-01-19 09:26:33,033 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 2371 transitions. [2022-01-19 09:26:33,033 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 09:26:33,033 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 2371 transitions. [2022-01-19 09:26:33,035 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 197.58333333333334) internal successors, (2371), 12 states have internal predecessors, (2371), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 09:26:33,038 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 239.0) internal successors, (3107), 13 states have internal predecessors, (3107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 09:26:33,038 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 239.0) internal successors, (3107), 13 states have internal predecessors, (3107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 09:26:33,038 INFO L186 Difference]: Start difference. First operand has 521 places, 693 transitions, 4959 flow. Second operand 12 states and 2371 transitions. [2022-01-19 09:26:33,038 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 489 places, 857 transitions, 6668 flow [2022-01-19 09:26:33,515 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 474 places, 857 transitions, 6490 flow, removed 83 selfloop flow, removed 15 redundant places. [2022-01-19 09:26:33,523 INFO L242 Difference]: Finished difference. Result has 481 places, 721 transitions, 5428 flow [2022-01-19 09:26:33,524 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=4841, PETRI_DIFFERENCE_MINUEND_PLACES=463, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=693, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=95, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=591, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=5428, PETRI_PLACES=481, PETRI_TRANSITIONS=721} [2022-01-19 09:26:33,601 INFO L334 CegarLoopForPetriNet]: 214 programPoint places, 267 predicate places. [2022-01-19 09:26:33,601 INFO L470 AbstractCegarLoop]: Abstraction has has 481 places, 721 transitions, 5428 flow [2022-01-19 09:26:33,602 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 189.44444444444446) internal successors, (1705), 9 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 09:26:33,602 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 09:26:33,602 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 09:26:33,602 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-01-19 09:26:33,602 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-19 09:26:33,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 09:26:33,602 INFO L85 PathProgramCache]: Analyzing trace with hash 1155759226, now seen corresponding path program 3 times [2022-01-19 09:26:33,602 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 09:26:33,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917623262] [2022-01-19 09:26:33,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 09:26:33,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 09:26:33,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 09:26:33,793 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-19 09:26:33,793 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 09:26:33,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917623262] [2022-01-19 09:26:33,793 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917623262] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-19 09:26:33,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [740316759] [2022-01-19 09:26:33,794 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-01-19 09:26:33,794 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 09:26:33,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 09:26:33,795 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-19 09:26:33,795 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-01-19 09:26:33,868 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-01-19 09:26:33,868 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-19 09:26:33,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 39 conjunts are in the unsatisfiable core [2022-01-19 09:26:33,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-19 09:26:34,623 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-19 09:26:34,625 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-19 09:26:34,625 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 10 [2022-01-19 09:26:34,711 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 09:26:34,711 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-19 09:26:34,937 INFO L353 Elim1Store]: treesize reduction 9, result has 43.8 percent of original size [2022-01-19 09:26:34,937 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 11 [2022-01-19 09:26:35,645 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 09:26:35,645 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [740316759] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-19 09:26:35,645 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-19 09:26:35,645 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 23, 18] total 41 [2022-01-19 09:26:35,645 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025027310] [2022-01-19 09:26:35,645 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-19 09:26:35,646 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2022-01-19 09:26:35,646 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 09:26:35,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2022-01-19 09:26:35,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=1480, Unknown=0, NotChecked=0, Total=1640 [2022-01-19 09:26:35,649 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 239 [2022-01-19 09:26:35,651 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 481 places, 721 transitions, 5428 flow. Second operand has 41 states, 41 states have (on average 89.36585365853658) internal successors, (3664), 41 states have internal predecessors, (3664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 09:26:35,651 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 09:26:35,651 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 239 [2022-01-19 09:26:35,651 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 09:27:07,183 INFO L129 PetriNetUnfolder]: 42077/86431 cut-off events. [2022-01-19 09:27:07,183 INFO L130 PetriNetUnfolder]: For 791262/791476 co-relation queries the response was YES. [2022-01-19 09:27:09,615 INFO L84 FinitePrefix]: Finished finitePrefix Result has 358774 conditions, 86431 events. 42077/86431 cut-off events. For 791262/791476 co-relation queries the response was YES. Maximal size of possible extension queue 1701. Compared 934951 event pairs, 5913 based on Foata normal form. 548/85631 useless extension candidates. Maximal degree in co-relation 358637. Up to 24010 conditions per place. [2022-01-19 09:27:09,994 INFO L132 encePairwiseOnDemand]: 170/239 looper letters, 2592 selfloop transitions, 1106 changer transitions 5/3780 dead transitions. [2022-01-19 09:27:09,994 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 669 places, 3780 transitions, 44498 flow [2022-01-19 09:27:09,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 189 states. [2022-01-19 09:27:09,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2022-01-19 09:27:10,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 18459 transitions. [2022-01-19 09:27:10,012 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.4086471408647141 [2022-01-19 09:27:10,013 INFO L72 ComplementDD]: Start complementDD. Operand 189 states and 18459 transitions. [2022-01-19 09:27:10,013 INFO L73 IsDeterministic]: Start isDeterministic. Operand 189 states and 18459 transitions. [2022-01-19 09:27:10,017 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 09:27:10,017 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 189 states and 18459 transitions. [2022-01-19 09:27:10,035 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 190 states, 189 states have (on average 97.66666666666667) internal successors, (18459), 189 states have internal predecessors, (18459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 09:27:10,069 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 190 states, 190 states have (on average 239.0) internal successors, (45410), 190 states have internal predecessors, (45410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 09:27:10,078 INFO L81 ComplementDD]: Finished complementDD. Result has 190 states, 190 states have (on average 239.0) internal successors, (45410), 190 states have internal predecessors, (45410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 09:27:10,079 INFO L186 Difference]: Start difference. First operand has 481 places, 721 transitions, 5428 flow. Second operand 189 states and 18459 transitions. [2022-01-19 09:27:10,079 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 669 places, 3780 transitions, 44498 flow [2022-01-19 09:27:17,603 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 666 places, 3780 transitions, 44143 flow, removed 3 selfloop flow, removed 3 redundant places. [2022-01-19 09:27:17,641 INFO L242 Difference]: Finished difference. Result has 796 places, 1713 transitions, 24991 flow [2022-01-19 09:27:17,642 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=5329, PETRI_DIFFERENCE_MINUEND_PLACES=478, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=721, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=221, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=422, PETRI_DIFFERENCE_SUBTRAHEND_STATES=189, PETRI_FLOW=24991, PETRI_PLACES=796, PETRI_TRANSITIONS=1713} [2022-01-19 09:27:17,642 INFO L334 CegarLoopForPetriNet]: 214 programPoint places, 582 predicate places. [2022-01-19 09:27:17,642 INFO L470 AbstractCegarLoop]: Abstraction has has 796 places, 1713 transitions, 24991 flow [2022-01-19 09:27:17,643 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 89.36585365853658) internal successors, (3664), 41 states have internal predecessors, (3664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 09:27:17,643 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 09:27:17,643 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 09:27:17,661 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-01-19 09:27:17,855 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 09:27:17,855 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-19 09:27:17,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 09:27:17,856 INFO L85 PathProgramCache]: Analyzing trace with hash -398221112, now seen corresponding path program 4 times [2022-01-19 09:27:17,856 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 09:27:17,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365228786] [2022-01-19 09:27:17,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 09:27:17,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 09:27:17,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 09:27:18,006 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-19 09:27:18,006 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 09:27:18,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365228786] [2022-01-19 09:27:18,006 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365228786] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-19 09:27:18,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1900361019] [2022-01-19 09:27:18,006 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-01-19 09:27:18,006 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 09:27:18,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 09:27:18,007 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-19 09:27:18,008 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-01-19 09:27:18,073 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-01-19 09:27:18,073 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-19 09:27:18,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 33 conjunts are in the unsatisfiable core [2022-01-19 09:27:18,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-19 09:27:18,527 INFO L353 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2022-01-19 09:27:18,527 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 10 [2022-01-19 09:27:18,625 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 09:27:18,625 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-19 09:27:18,832 INFO L353 Elim1Store]: treesize reduction 9, result has 43.8 percent of original size [2022-01-19 09:27:18,832 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 11 [2022-01-19 09:27:19,519 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 09:27:19,519 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1900361019] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-19 09:27:19,519 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-19 09:27:19,519 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 18, 18] total 34 [2022-01-19 09:27:19,519 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991705177] [2022-01-19 09:27:19,519 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-19 09:27:19,520 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2022-01-19 09:27:19,520 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 09:27:19,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-01-19 09:27:19,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=1011, Unknown=0, NotChecked=0, Total=1122 [2022-01-19 09:27:19,524 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 239 [2022-01-19 09:27:19,525 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 796 places, 1713 transitions, 24991 flow. Second operand has 34 states, 34 states have (on average 96.79411764705883) internal successors, (3291), 34 states have internal predecessors, (3291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 09:27:19,525 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 09:27:19,526 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 239 [2022-01-19 09:27:19,526 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 09:28:20,054 INFO L129 PetriNetUnfolder]: 49520/100511 cut-off events. [2022-01-19 09:28:20,054 INFO L130 PetriNetUnfolder]: For 2534418/2534994 co-relation queries the response was YES. [2022-01-19 09:28:26,327 INFO L84 FinitePrefix]: Finished finitePrefix Result has 576400 conditions, 100511 events. 49520/100511 cut-off events. For 2534418/2534994 co-relation queries the response was YES. Maximal size of possible extension queue 2318. Compared 1102102 event pairs, 9188 based on Foata normal form. 760/99552 useless extension candidates. Maximal degree in co-relation 576133. Up to 30531 conditions per place. [2022-01-19 09:28:26,785 INFO L132 encePairwiseOnDemand]: 174/239 looper letters, 2530 selfloop transitions, 1349 changer transitions 4/3970 dead transitions. [2022-01-19 09:28:26,785 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 899 places, 3970 transitions, 69226 flow [2022-01-19 09:28:26,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2022-01-19 09:28:26,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2022-01-19 09:28:26,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 11171 transitions. [2022-01-19 09:28:26,795 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.440948922396779 [2022-01-19 09:28:26,795 INFO L72 ComplementDD]: Start complementDD. Operand 106 states and 11171 transitions. [2022-01-19 09:28:26,795 INFO L73 IsDeterministic]: Start isDeterministic. Operand 106 states and 11171 transitions. [2022-01-19 09:28:26,797 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 09:28:26,797 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 106 states and 11171 transitions. [2022-01-19 09:28:26,808 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 107 states, 106 states have (on average 105.38679245283019) internal successors, (11171), 106 states have internal predecessors, (11171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 09:28:26,824 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 107 states, 107 states have (on average 239.0) internal successors, (25573), 107 states have internal predecessors, (25573), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 09:28:26,828 INFO L81 ComplementDD]: Finished complementDD. Result has 107 states, 107 states have (on average 239.0) internal successors, (25573), 107 states have internal predecessors, (25573), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 09:28:26,829 INFO L186 Difference]: Start difference. First operand has 796 places, 1713 transitions, 24991 flow. Second operand 106 states and 11171 transitions. [2022-01-19 09:28:26,829 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 899 places, 3970 transitions, 69226 flow [2022-01-19 09:29:22,705 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 869 places, 3970 transitions, 54758 flow, removed 7043 selfloop flow, removed 30 redundant places. [2022-01-19 09:29:22,745 INFO L242 Difference]: Finished difference. Result has 928 places, 2451 transitions, 32802 flow [2022-01-19 09:29:22,746 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=18088, PETRI_DIFFERENCE_MINUEND_PLACES=764, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1713, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=673, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=872, PETRI_DIFFERENCE_SUBTRAHEND_STATES=106, PETRI_FLOW=32802, PETRI_PLACES=928, PETRI_TRANSITIONS=2451} [2022-01-19 09:29:22,747 INFO L334 CegarLoopForPetriNet]: 214 programPoint places, 714 predicate places. [2022-01-19 09:29:22,747 INFO L470 AbstractCegarLoop]: Abstraction has has 928 places, 2451 transitions, 32802 flow [2022-01-19 09:29:22,747 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 96.79411764705883) internal successors, (3291), 34 states have internal predecessors, (3291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 09:29:22,747 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 09:29:22,747 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 09:29:22,763 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-01-19 09:29:22,958 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-01-19 09:29:22,958 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-19 09:29:22,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 09:29:22,959 INFO L85 PathProgramCache]: Analyzing trace with hash -1687088000, now seen corresponding path program 5 times [2022-01-19 09:29:22,959 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 09:29:22,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693094806] [2022-01-19 09:29:22,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 09:29:22,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 09:29:22,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 09:29:23,172 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-19 09:29:23,172 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 09:29:23,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693094806] [2022-01-19 09:29:23,173 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693094806] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-19 09:29:23,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [686638999] [2022-01-19 09:29:23,173 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-01-19 09:29:23,173 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 09:29:23,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 09:29:23,175 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-19 09:29:23,175 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-01-19 09:29:23,290 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-01-19 09:29:23,290 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-19 09:29:23,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 51 conjunts are in the unsatisfiable core [2022-01-19 09:29:23,294 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-19 09:29:23,634 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-01-19 09:29:23,854 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-01-19 09:29:23,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-19 09:29:23,991 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-01-19 09:29:24,342 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-19 09:29:24,343 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-19 09:29:24,344 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 10 [2022-01-19 09:29:24,423 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 09:29:24,423 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-19 09:29:25,525 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-19 09:29:25,525 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 41 [2022-01-19 09:29:25,533 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-19 09:29:25,533 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 202 treesize of output 170 [2022-01-19 09:29:25,543 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 154 treesize of output 130 [2022-01-19 09:29:25,552 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-19 09:29:25,553 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 130 treesize of output 110 [2022-01-19 09:29:26,426 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 09:29:26,426 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [686638999] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-19 09:29:26,426 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-19 09:29:26,426 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 27, 27] total 54 [2022-01-19 09:29:26,426 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613800711] [2022-01-19 09:29:26,426 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-19 09:29:26,427 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2022-01-19 09:29:26,427 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 09:29:26,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2022-01-19 09:29:26,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=180, Invalid=2624, Unknown=58, NotChecked=0, Total=2862 [2022-01-19 09:29:26,431 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 239 [2022-01-19 09:29:26,433 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 928 places, 2451 transitions, 32802 flow. Second operand has 54 states, 54 states have (on average 81.4074074074074) internal successors, (4396), 54 states have internal predecessors, (4396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 09:29:26,433 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 09:29:26,433 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 239 [2022-01-19 09:29:26,433 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 09:31:13,008 INFO L129 PetriNetUnfolder]: 68539/141432 cut-off events. [2022-01-19 09:31:13,008 INFO L130 PetriNetUnfolder]: For 4142735/4143405 co-relation queries the response was YES.