/usr/bin/java -Xmx8000000000 -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-MCRwithDepranks-Lazy-NoForkJoinOpt-wrwc.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-threaded-sum-3.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-16 04:13:08,406 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-16 04:13:08,408 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-16 04:13:08,429 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-16 04:13:08,430 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-16 04:13:08,430 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-16 04:13:08,431 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-16 04:13:08,433 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-16 04:13:08,434 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-16 04:13:08,434 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-16 04:13:08,435 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-16 04:13:08,436 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-16 04:13:08,436 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-16 04:13:08,437 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-16 04:13:08,438 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-16 04:13:08,438 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-16 04:13:08,439 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-16 04:13:08,440 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-16 04:13:08,441 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-16 04:13:08,442 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-16 04:13:08,443 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-16 04:13:08,444 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-16 04:13:08,445 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-16 04:13:08,445 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-16 04:13:08,447 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-16 04:13:08,447 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-16 04:13:08,448 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-16 04:13:08,448 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-16 04:13:08,449 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-16 04:13:08,449 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-03-16 04:13:08,459 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-16 04:13:08,460 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-16 04:13:08,461 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-16 04:13:08,461 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-16 04:13:08,462 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-16 04:13:08,462 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-16 04:13:08,463 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-16 04:13:08,463 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-16 04:13:08,463 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-16 04:13:08,464 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-16 04:13:08,464 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-16 04:13:08,466 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-MCRwithDepranks-Lazy-NoForkJoinOpt-wrwc.epf [2022-03-16 04:13:08,487 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-16 04:13:08,487 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-16 04:13:08,488 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-16 04:13:08,488 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-16 04:13:08,489 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-16 04:13:08,489 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-16 04:13:08,489 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-16 04:13:08,489 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-16 04:13:08,489 INFO L138 SettingsManager]: * Use SBE=true [2022-03-16 04:13:08,490 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-16 04:13:08,490 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-16 04:13:08,490 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-16 04:13:08,490 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-16 04:13:08,490 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-16 04:13:08,490 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-16 04:13:08,490 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-16 04:13:08,490 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-16 04:13:08,491 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-16 04:13:08,491 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-16 04:13:08,491 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-16 04:13:08,491 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-16 04:13:08,491 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-16 04:13:08,491 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-16 04:13:08,491 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-16 04:13:08,491 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-16 04:13:08,491 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 04:13:08,492 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-16 04:13:08,493 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-16 04:13:08,493 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-16 04:13:08,493 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-16 04:13:08,493 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-16 04:13:08,493 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-16 04:13:08,494 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-16 04:13:08,494 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-16 04:13:08,494 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-16 04:13:08,494 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-16 04:13:08,494 INFO L138 SettingsManager]: * MCR: Overapproximate write-read-write conflicts=false [2022-03-16 04:13:08,494 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-16 04:13:08,494 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-16 04:13:08,682 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-16 04:13:08,703 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-16 04:13:08,705 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-16 04:13:08,706 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-16 04:13:08,707 INFO L275 PluginConnector]: CDTParser initialized [2022-03-16 04:13:08,708 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-threaded-sum-3.wvr.c [2022-03-16 04:13:08,770 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/980108a3e/4f5ef088e944430aa9eb4b733dc460f4/FLAG25237a224 [2022-03-16 04:13:09,164 INFO L306 CDTParser]: Found 1 translation units. [2022-03-16 04:13:09,165 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-threaded-sum-3.wvr.c [2022-03-16 04:13:09,173 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/980108a3e/4f5ef088e944430aa9eb4b733dc460f4/FLAG25237a224 [2022-03-16 04:13:09,186 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/980108a3e/4f5ef088e944430aa9eb4b733dc460f4 [2022-03-16 04:13:09,188 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-16 04:13:09,189 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-16 04:13:09,210 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-16 04:13:09,210 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-16 04:13:09,213 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-16 04:13:09,214 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 04:13:09" (1/1) ... [2022-03-16 04:13:09,215 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f65727 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:13:09, skipping insertion in model container [2022-03-16 04:13:09,215 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 04:13:09" (1/1) ... [2022-03-16 04:13:09,220 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-16 04:13:09,235 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-16 04:13:09,441 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/popl20-threaded-sum-3.wvr.c[2957,2970] [2022-03-16 04:13:09,444 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-16 04:13:09,450 INFO L203 MainTranslator]: Completed pre-run [2022-03-16 04:13:09,467 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/popl20-threaded-sum-3.wvr.c[2957,2970] [2022-03-16 04:13:09,472 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-16 04:13:09,485 INFO L208 MainTranslator]: Completed translation [2022-03-16 04:13:09,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:13:09 WrapperNode [2022-03-16 04:13:09,485 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-16 04:13:09,486 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-16 04:13:09,486 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-16 04:13:09,486 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-16 04:13:09,491 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:13:09" (1/1) ... [2022-03-16 04:13:09,505 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:13:09" (1/1) ... [2022-03-16 04:13:09,529 INFO L137 Inliner]: procedures = 22, calls = 46, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 79 [2022-03-16 04:13:09,529 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-16 04:13:09,530 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-16 04:13:09,530 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-16 04:13:09,530 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-16 04:13:09,537 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:13:09" (1/1) ... [2022-03-16 04:13:09,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:13:09" (1/1) ... [2022-03-16 04:13:09,551 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:13:09" (1/1) ... [2022-03-16 04:13:09,552 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:13:09" (1/1) ... [2022-03-16 04:13:09,559 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:13:09" (1/1) ... [2022-03-16 04:13:09,562 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:13:09" (1/1) ... [2022-03-16 04:13:09,563 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:13:09" (1/1) ... [2022-03-16 04:13:09,564 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-16 04:13:09,565 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-16 04:13:09,565 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-16 04:13:09,565 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-16 04:13:09,566 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:13:09" (1/1) ... [2022-03-16 04:13:09,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 04:13:09,591 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 04:13:09,606 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) [2022-03-16 04:13:09,624 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 [2022-03-16 04:13:09,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-16 04:13:09,638 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-16 04:13:09,638 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-16 04:13:09,638 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-16 04:13:09,638 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-16 04:13:09,638 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-16 04:13:09,638 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-16 04:13:09,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-16 04:13:09,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-16 04:13:09,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-16 04:13:09,639 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-03-16 04:13:09,639 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-03-16 04:13:09,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-16 04:13:09,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-16 04:13:09,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-16 04:13:09,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-16 04:13:09,641 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-16 04:13:09,728 INFO L234 CfgBuilder]: Building ICFG [2022-03-16 04:13:09,730 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-16 04:13:09,941 INFO L275 CfgBuilder]: Performing block encoding [2022-03-16 04:13:09,989 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-16 04:13:09,990 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-03-16 04:13:09,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 04:13:09 BoogieIcfgContainer [2022-03-16 04:13:09,991 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-16 04:13:09,993 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-16 04:13:09,993 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-16 04:13:09,996 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-16 04:13:09,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.03 04:13:09" (1/3) ... [2022-03-16 04:13:09,996 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61ad0541 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 04:13:09, skipping insertion in model container [2022-03-16 04:13:09,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:13:09" (2/3) ... [2022-03-16 04:13:09,997 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61ad0541 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 04:13:09, skipping insertion in model container [2022-03-16 04:13:09,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 04:13:09" (3/3) ... [2022-03-16 04:13:09,998 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-threaded-sum-3.wvr.c [2022-03-16 04:13:10,002 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-16 04:13:10,002 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-16 04:13:10,002 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-16 04:13:10,002 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-16 04:13:10,039 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 04:13:10,040 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 04:13:10,041 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 04:13:10,041 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 04:13:10,041 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 04:13:10,041 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 04:13:10,041 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 04:13:10,042 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 04:13:10,046 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 04:13:10,046 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 04:13:10,046 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 04:13:10,046 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 04:13:10,046 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 04:13:10,046 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 04:13:10,047 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 04:13:10,047 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 04:13:10,047 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 04:13:10,047 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 04:13:10,047 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 04:13:10,048 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 04:13:10,048 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~cond~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 04:13:10,048 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~cond~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 04:13:10,049 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~cond~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 04:13:10,049 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~cond~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 04:13:10,049 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~cond~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 04:13:10,050 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~cond~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 04:13:10,050 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 04:13:10,050 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 04:13:10,050 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 04:13:10,050 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 04:13:10,050 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 04:13:10,050 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 04:13:10,050 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 04:13:10,051 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 04:13:10,051 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 04:13:10,051 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 04:13:10,051 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 04:13:10,051 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 04:13:10,052 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~cond~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 04:13:10,052 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~cond~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 04:13:10,053 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~cond~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 04:13:10,053 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~cond~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 04:13:10,053 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~cond~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 04:13:10,053 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~cond~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 04:13:10,053 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~cond~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 04:13:10,054 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~cond~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 04:13:10,054 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 04:13:10,054 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 04:13:10,054 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 04:13:10,054 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 04:13:10,054 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 04:13:10,055 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 04:13:10,055 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 04:13:10,055 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 04:13:10,055 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~cond~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 04:13:10,055 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~cond~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 04:13:10,059 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 04:13:10,060 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 04:13:10,060 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 04:13:10,060 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 04:13:10,060 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~cond~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 04:13:10,061 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~cond~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 04:13:10,061 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 04:13:10,061 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 04:13:10,061 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 04:13:10,061 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 04:13:10,062 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 04:13:10,062 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 04:13:10,062 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 04:13:10,062 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 04:13:10,062 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 04:13:10,066 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-03-16 04:13:10,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-16 04:13:10,113 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 04:13:10,123 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-03-16 04:13:10,130 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-03-16 04:13:10,150 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-16 04:13:10,156 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, 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, mMcrOptimizeForkJoin=false, mMcrOverapproximateWrwc=false [2022-03-16 04:13:10,156 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-16 04:13:11,114 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 141 transitions and produced 142 states. [2022-03-16 04:13:11,117 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 04:13:11,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 04:13:11,125 INFO L85 PathProgramCache]: Analyzing trace with hash 1958148622, now seen corresponding path program 1 times [2022-03-16 04:13:11,136 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 04:13:11,141 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638911123] [2022-03-16 04:13:11,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 04:13:11,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 04:13:11,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 04:13:11,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 04:13:11,339 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 04:13:11,339 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638911123] [2022-03-16 04:13:11,340 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638911123] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 04:13:11,340 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 04:13:11,340 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-16 04:13:11,341 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89075836] [2022-03-16 04:13:11,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 04:13:11,345 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-03-16 04:13:11,345 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 04:13:11,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-03-16 04:13:11,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-16 04:13:11,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 04:13:11,362 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 04:13:11,364 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 43.0) internal successors, (86), 2 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 04:13:11,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 04:13:11,868 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 141 transitions and produced 142 states. [2022-03-16 04:13:11,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 04:13:11,870 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-16 04:13:11,870 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 04:13:11,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 04:13:11,871 INFO L85 PathProgramCache]: Analyzing trace with hash 809585596, now seen corresponding path program 1 times [2022-03-16 04:13:11,871 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 04:13:11,871 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339129022] [2022-03-16 04:13:11,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 04:13:11,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 04:13:12,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 04:13:12,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 04:13:12,400 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 04:13:12,400 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339129022] [2022-03-16 04:13:12,401 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339129022] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 04:13:12,401 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 04:13:12,401 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-16 04:13:12,401 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12517176] [2022-03-16 04:13:12,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 04:13:12,402 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-16 04:13:12,402 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 04:13:12,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-16 04:13:12,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-03-16 04:13:12,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 04:13:12,403 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 04:13:12,404 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 7 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 04:13:12,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 04:13:12,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 04:13:13,493 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 261 transitions and produced 240 states. [2022-03-16 04:13:13,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 04:13:13,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 04:13:13,495 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-16 04:13:13,495 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 04:13:13,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 04:13:13,496 INFO L85 PathProgramCache]: Analyzing trace with hash 1843560977, now seen corresponding path program 1 times [2022-03-16 04:13:13,496 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 04:13:13,496 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695878464] [2022-03-16 04:13:13,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 04:13:13,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 04:13:13,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 04:13:13,751 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-03-16 04:13:13,752 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 04:13:13,752 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695878464] [2022-03-16 04:13:13,752 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695878464] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 04:13:13,752 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 04:13:13,752 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-16 04:13:13,752 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987471255] [2022-03-16 04:13:13,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 04:13:13,753 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-16 04:13:13,753 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 04:13:13,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-16 04:13:13,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-03-16 04:13:13,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 04:13:13,754 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 04:13:13,754 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 04:13:13,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 04:13:13,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 04:13:13,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 04:13:15,372 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 931 transitions and produced 358 states. [2022-03-16 04:13:15,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 04:13:15,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 04:13:15,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-16 04:13:15,373 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-16 04:13:15,373 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 04:13:15,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 04:13:15,374 INFO L85 PathProgramCache]: Analyzing trace with hash 615481133, now seen corresponding path program 2 times [2022-03-16 04:13:15,374 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 04:13:15,375 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110238074] [2022-03-16 04:13:15,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 04:13:15,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 04:13:15,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 04:13:15,534 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-03-16 04:13:15,534 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 04:13:15,534 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110238074] [2022-03-16 04:13:15,535 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110238074] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 04:13:15,535 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 04:13:15,535 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-16 04:13:15,535 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898191962] [2022-03-16 04:13:15,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 04:13:15,535 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-16 04:13:15,536 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 04:13:15,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-16 04:13:15,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-03-16 04:13:15,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 04:13:15,536 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 04:13:15,537 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 5 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 04:13:15,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 04:13:15,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 04:13:15,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-16 04:13:15,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 04:13:21,899 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 5115 transitions and produced 1872 states. [2022-03-16 04:13:21,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 04:13:21,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 04:13:21,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-16 04:13:21,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-16 04:13:21,901 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-16 04:13:21,901 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 04:13:21,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 04:13:21,902 INFO L85 PathProgramCache]: Analyzing trace with hash 1511751851, now seen corresponding path program 1 times [2022-03-16 04:13:21,902 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 04:13:21,902 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569215374] [2022-03-16 04:13:21,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 04:13:21,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 04:13:22,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 04:13:22,244 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 411 trivial. 0 not checked. [2022-03-16 04:13:22,245 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 04:13:22,247 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569215374] [2022-03-16 04:13:22,248 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569215374] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 04:13:22,248 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 04:13:22,249 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-16 04:13:22,249 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662697699] [2022-03-16 04:13:22,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 04:13:22,249 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-16 04:13:22,250 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 04:13:22,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-16 04:13:22,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-16 04:13:22,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 04:13:22,250 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 04:13:22,251 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 04:13:22,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 04:13:22,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 04:13:22,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-16 04:13:22,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-03-16 04:13:22,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 04:13:24,298 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 663 transitions and produced 600 states. [2022-03-16 04:13:24,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 04:13:24,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 04:13:24,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-16 04:13:24,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-16 04:13:24,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-16 04:13:24,299 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-16 04:13:24,299 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 04:13:24,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 04:13:24,300 INFO L85 PathProgramCache]: Analyzing trace with hash -357926436, now seen corresponding path program 2 times [2022-03-16 04:13:24,300 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 04:13:24,300 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338790546] [2022-03-16 04:13:24,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 04:13:24,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 04:13:26,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 04:13:26,235 INFO L134 CoverageAnalysis]: Checked inductivity of 1799 backedges. 395 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2022-03-16 04:13:26,236 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 04:13:26,236 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338790546] [2022-03-16 04:13:26,237 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338790546] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 04:13:26,237 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 04:13:26,237 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-16 04:13:26,237 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515951100] [2022-03-16 04:13:26,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 04:13:26,238 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-16 04:13:26,238 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 04:13:26,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-16 04:13:26,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-03-16 04:13:26,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 04:13:26,239 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 04:13:26,239 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 5 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 04:13:26,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 04:13:26,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 04:13:26,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-16 04:13:26,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-03-16 04:13:26,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-16 04:13:26,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 04:13:31,456 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1693 transitions and produced 1340 states. [2022-03-16 04:13:31,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 04:13:31,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 04:13:31,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-16 04:13:31,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-16 04:13:31,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-16 04:13:31,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-16 04:13:31,458 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-16 04:13:31,458 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 04:13:31,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 04:13:31,459 INFO L85 PathProgramCache]: Analyzing trace with hash -666359631, now seen corresponding path program 3 times [2022-03-16 04:13:31,459 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 04:13:31,459 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500555924] [2022-03-16 04:13:31,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 04:13:31,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 04:16:29,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat