/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-MCRwithoutDepranks.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/NonAtomicIncrement_2Threads.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-10 08:55:30,549 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-10 08:55:30,551 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-10 08:55:30,620 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-10 08:55:30,620 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-10 08:55:30,623 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-10 08:55:30,626 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-10 08:55:30,631 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-10 08:55:30,632 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-10 08:55:30,632 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-10 08:55:30,633 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-10 08:55:30,634 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-10 08:55:30,634 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-10 08:55:30,635 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-10 08:55:30,635 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-10 08:55:30,636 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-10 08:55:30,637 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-10 08:55:30,637 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-10 08:55:30,638 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-10 08:55:30,640 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-10 08:55:30,641 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-10 08:55:30,649 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-10 08:55:30,653 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-10 08:55:30,654 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-10 08:55:30,656 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-10 08:55:30,656 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-10 08:55:30,656 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-10 08:55:30,657 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-10 08:55:30,657 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-10 08:55:30,657 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-10 08:55:30,658 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-10 08:55:30,658 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-10 08:55:30,659 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-10 08:55:30,659 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-10 08:55:30,660 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-10 08:55:30,660 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-10 08:55:30,661 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-10 08:55:30,661 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-10 08:55:30,661 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-10 08:55:30,662 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-10 08:55:30,662 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-10 08:55:30,666 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-MCRwithoutDepranks.epf [2022-02-10 08:55:30,697 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-10 08:55:30,697 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-10 08:55:30,697 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-10 08:55:30,697 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-10 08:55:30,698 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-10 08:55:30,698 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-10 08:55:30,699 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-10 08:55:30,699 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-10 08:55:30,699 INFO L138 SettingsManager]: * Use SBE=true [2022-02-10 08:55:30,699 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-10 08:55:30,700 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-10 08:55:30,700 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-10 08:55:30,700 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-10 08:55:30,700 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-10 08:55:30,700 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-10 08:55:30,700 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-10 08:55:30,700 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-10 08:55:30,700 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-10 08:55:30,700 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-10 08:55:30,700 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-10 08:55:30,700 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-10 08:55:30,701 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-10 08:55:30,701 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-10 08:55:30,701 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-10 08:55:30,701 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-10 08:55:30,701 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 08:55:30,701 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-10 08:55:30,701 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-10 08:55:30,701 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-10 08:55:30,701 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-10 08:55:30,701 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-10 08:55:30,702 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-10 08:55:30,702 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-10 08:55:30,702 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-10 08:55:30,702 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-02-10 08:55:30,702 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-10 08:55:30,894 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-10 08:55:30,918 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-10 08:55:30,920 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-10 08:55:30,921 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-10 08:55:30,921 INFO L275 PluginConnector]: CDTParser initialized [2022-02-10 08:55:30,922 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/NonAtomicIncrement_2Threads.c [2022-02-10 08:55:30,975 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95a61f072/5b9cb0c017c84d4986ee9a6c512cf725/FLAGdf0f3ba74 [2022-02-10 08:55:31,378 INFO L306 CDTParser]: Found 1 translation units. [2022-02-10 08:55:31,379 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/NonAtomicIncrement_2Threads.c [2022-02-10 08:55:31,379 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2022-02-10 08:55:31,379 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2022-02-10 08:55:31,379 WARN L117 ultiparseSymbolTable]: System include stdbool.h could not be resolved by CDT -- only built-in system includes are available. [2022-02-10 08:55:31,401 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95a61f072/5b9cb0c017c84d4986ee9a6c512cf725/FLAGdf0f3ba74 [2022-02-10 08:55:31,415 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95a61f072/5b9cb0c017c84d4986ee9a6c512cf725 [2022-02-10 08:55:31,418 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-10 08:55:31,419 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-10 08:55:31,421 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-10 08:55:31,421 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-10 08:55:31,423 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-10 08:55:31,424 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 08:55:31" (1/1) ... [2022-02-10 08:55:31,425 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f9e0d6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 08:55:31, skipping insertion in model container [2022-02-10 08:55:31,425 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 08:55:31" (1/1) ... [2022-02-10 08:55:31,431 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-10 08:55:31,443 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-10 08:55:31,623 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 08:55:31,631 INFO L203 MainTranslator]: Completed pre-run [2022-02-10 08:55:31,642 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 08:55:31,653 INFO L208 MainTranslator]: Completed translation [2022-02-10 08:55:31,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 08:55:31 WrapperNode [2022-02-10 08:55:31,654 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-10 08:55:31,656 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-10 08:55:31,656 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-10 08:55:31,656 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-10 08:55:31,661 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 08:55:31" (1/1) ... [2022-02-10 08:55:31,666 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 08:55:31" (1/1) ... [2022-02-10 08:55:31,679 INFO L137 Inliner]: procedures = 9, calls = 14, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 38 [2022-02-10 08:55:31,679 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-10 08:55:31,680 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-10 08:55:31,680 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-10 08:55:31,680 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-10 08:55:31,685 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 08:55:31" (1/1) ... [2022-02-10 08:55:31,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 08:55:31" (1/1) ... [2022-02-10 08:55:31,693 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 08:55:31" (1/1) ... [2022-02-10 08:55:31,693 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 08:55:31" (1/1) ... [2022-02-10 08:55:31,701 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 08:55:31" (1/1) ... [2022-02-10 08:55:31,703 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 08:55:31" (1/1) ... [2022-02-10 08:55:31,704 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 08:55:31" (1/1) ... [2022-02-10 08:55:31,705 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-10 08:55:31,706 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-10 08:55:31,706 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-10 08:55:31,706 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-10 08:55:31,708 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 08:55:31" (1/1) ... [2022-02-10 08:55:31,715 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 08:55:31,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 08:55:31,751 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) [2022-02-10 08:55:31,770 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 [2022-02-10 08:55:31,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-10 08:55:31,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-10 08:55:31,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-10 08:55:31,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-10 08:55:31,783 INFO L130 BoogieDeclarations]: Found specification of procedure secondIncrement [2022-02-10 08:55:31,783 INFO L138 BoogieDeclarations]: Found implementation of procedure secondIncrement [2022-02-10 08:55:31,783 INFO L130 BoogieDeclarations]: Found specification of procedure firstIncrement [2022-02-10 08:55:31,783 INFO L138 BoogieDeclarations]: Found implementation of procedure firstIncrement [2022-02-10 08:55:31,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-10 08:55:31,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-10 08:55:31,785 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-10 08:55:31,854 INFO L234 CfgBuilder]: Building ICFG [2022-02-10 08:55:31,856 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-10 08:55:31,953 INFO L275 CfgBuilder]: Performing block encoding [2022-02-10 08:55:31,958 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-10 08:55:31,958 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-02-10 08:55:31,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 08:55:31 BoogieIcfgContainer [2022-02-10 08:55:31,960 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-10 08:55:31,961 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-10 08:55:31,961 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-10 08:55:31,965 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-10 08:55:31,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.02 08:55:31" (1/3) ... [2022-02-10 08:55:31,966 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@266774b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 08:55:31, skipping insertion in model container [2022-02-10 08:55:31,966 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 08:55:31" (2/3) ... [2022-02-10 08:55:31,966 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@266774b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 08:55:31, skipping insertion in model container [2022-02-10 08:55:31,966 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 08:55:31" (3/3) ... [2022-02-10 08:55:31,967 INFO L111 eAbstractionObserver]: Analyzing ICFG NonAtomicIncrement_2Threads.c [2022-02-10 08:55:31,971 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-10 08:55:31,971 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-10 08:55:31,971 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-10 08:55:31,971 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-10 08:55:31,993 WARN L322 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork1_~localx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:55:31,994 WARN L322 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork1_~localx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:55:31,994 WARN L322 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:55:31,994 WARN L322 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:55:31,994 WARN L322 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:55:31,995 WARN L322 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:55:31,995 WARN L322 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:55:31,995 WARN L322 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:55:31,995 WARN L322 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork1_~localx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:55:31,996 WARN L322 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork1_~localx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:55:31,996 WARN L322 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork1_~localx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:55:31,996 WARN L322 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork1_~localx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:55:31,996 WARN L322 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:55:31,996 WARN L322 ript$VariableManager]: TermVariabe |secondIncrementThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:55:31,997 WARN L322 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:55:31,997 WARN L322 ript$VariableManager]: TermVariabe |secondIncrementThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:55:31,997 WARN L322 ript$VariableManager]: TermVariabe |secondIncrementThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:55:31,997 WARN L322 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:55:31,997 WARN L322 ript$VariableManager]: TermVariabe |secondIncrementThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:55:31,997 WARN L322 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:55:31,998 WARN L322 ript$VariableManager]: TermVariabe |secondIncrementThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:55:31,998 WARN L322 ript$VariableManager]: TermVariabe |secondIncrementThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:55:31,998 WARN L322 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork0_~localx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:55:31,998 WARN L322 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork0_~localx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:55:31,998 WARN L322 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:55:31,998 WARN L322 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:55:31,999 WARN L322 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:55:31,999 WARN L322 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:55:31,999 WARN L322 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:55:32,000 WARN L322 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:55:32,000 WARN L322 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork0_~localx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:55:32,000 WARN L322 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork0_~localx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:55:32,000 WARN L322 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork0_~localx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:55:32,001 WARN L322 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork0_~localx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:55:32,001 WARN L322 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:55:32,001 WARN L322 ript$VariableManager]: TermVariabe |firstIncrementThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:55:32,001 WARN L322 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:55:32,001 WARN L322 ript$VariableManager]: TermVariabe |firstIncrementThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:55:32,002 WARN L322 ript$VariableManager]: TermVariabe |firstIncrementThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:55:32,002 WARN L322 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:55:32,002 WARN L322 ript$VariableManager]: TermVariabe |firstIncrementThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:55:32,002 WARN L322 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:55:32,003 WARN L322 ript$VariableManager]: TermVariabe |firstIncrementThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:55:32,003 WARN L322 ript$VariableManager]: TermVariabe |firstIncrementThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:55:32,006 WARN L322 ript$VariableManager]: TermVariabe |firstIncrementThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:55:32,006 WARN L322 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork0_~localx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:55:32,006 WARN L322 ript$VariableManager]: TermVariabe |firstIncrementThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:55:32,006 WARN L322 ript$VariableManager]: TermVariabe |firstIncrementThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:55:32,006 WARN L322 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:55:32,008 WARN L322 ript$VariableManager]: TermVariabe |secondIncrementThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:55:32,009 WARN L322 ript$VariableManager]: TermVariabe |secondIncrementThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:55:32,009 WARN L322 ript$VariableManager]: TermVariabe |secondIncrementThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:55:32,009 WARN L322 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork1_~localx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:55:32,009 WARN L322 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:55:32,013 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-02-10 08:55:32,060 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-10 08:55:32,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 08:55:32,064 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) [2022-02-10 08:55:32,065 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 [2022-02-10 08:55:32,103 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-10 08:55:32,108 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=false, 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 [2022-02-10 08:55:32,109 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-02-10 08:55:32,123 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 67 places, 64 transitions, 144 flow [2022-02-10 08:55:32,193 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 509 states, 508 states have (on average 2.732283464566929) internal successors, (1388), 508 states have internal predecessors, (1388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 08:55:32,258 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 59 transitions and produced 60 states. [2022-02-10 08:55:32,261 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-10 08:55:32,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 08:55:32,269 INFO L85 PathProgramCache]: Analyzing trace with hash 403930220, now seen corresponding path program 1 times [2022-02-10 08:55:32,277 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 08:55:32,278 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338969329] [2022-02-10 08:55:32,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 08:55:32,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 08:55:32,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 08:55:32,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 08:55:32,463 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 08:55:32,463 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338969329] [2022-02-10 08:55:32,463 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338969329] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 08:55:32,464 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 08:55:32,464 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-10 08:55:32,466 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799298881] [2022-02-10 08:55:32,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 08:55:32,470 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-10 08:55:32,470 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 08:55:32,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-10 08:55:32,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-10 08:55:32,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 08:55:32,490 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 08:55:32,490 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 08:55:32,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 08:55:32,532 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 59 transitions and produced 60 states. [2022-02-10 08:55:32,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 08:55:32,537 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-10 08:55:32,540 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-10 08:55:32,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 08:55:32,541 INFO L85 PathProgramCache]: Analyzing trace with hash -2019144022, now seen corresponding path program 1 times [2022-02-10 08:55:32,541 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 08:55:32,541 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164268329] [2022-02-10 08:55:32,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 08:55:32,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 08:55:32,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 08:55:32,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 08:55:32,593 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 08:55:32,593 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164268329] [2022-02-10 08:55:32,593 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164268329] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 08:55:32,593 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 08:55:32,594 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-10 08:55:32,594 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864011448] [2022-02-10 08:55:32,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 08:55:32,595 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 08:55:32,595 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 08:55:32,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 08:55:32,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 08:55:32,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 08:55:32,596 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 08:55:32,596 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 08:55:32,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 08:55:32,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 08:55:32,666 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 73 transitions and produced 74 states. [2022-02-10 08:55:32,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 08:55:32,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 08:55:32,667 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-10 08:55:32,667 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-10 08:55:32,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 08:55:32,668 INFO L85 PathProgramCache]: Analyzing trace with hash -1699411922, now seen corresponding path program 1 times [2022-02-10 08:55:32,668 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 08:55:32,668 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165774408] [2022-02-10 08:55:32,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 08:55:32,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 08:55:32,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 08:55:32,766 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 08:55:32,766 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 08:55:32,766 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165774408] [2022-02-10 08:55:32,767 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165774408] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-10 08:55:32,767 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [323868923] [2022-02-10 08:55:32,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 08:55:32,767 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 08:55:32,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 08:55:32,769 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) [2022-02-10 08:55:32,770 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-10 08:55:32,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 08:55:32,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 2 conjunts are in the unsatisfiable core [2022-02-10 08:55:32,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-10 08:55:33,005 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-10 08:55:33,006 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-10 08:55:33,006 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [323868923] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 08:55:33,006 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-10 08:55:33,006 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-02-10 08:55:33,007 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936173104] [2022-02-10 08:55:33,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 08:55:33,007 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 08:55:33,007 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 08:55:33,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 08:55:33,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-10 08:55:33,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 08:55:33,008 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 08:55:33,008 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 08:55:33,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 08:55:33,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 08:55:33,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 08:55:33,065 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 81 transitions and produced 82 states. [2022-02-10 08:55:33,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 08:55:33,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 08:55:33,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 08:55:33,103 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-10 08:55:33,279 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,SelfDestructingSolverStorable2 [2022-02-10 08:55:33,280 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-10 08:55:33,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 08:55:33,280 INFO L85 PathProgramCache]: Analyzing trace with hash 1626615442, now seen corresponding path program 1 times [2022-02-10 08:55:33,281 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 08:55:33,281 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922984119] [2022-02-10 08:55:33,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 08:55:33,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 08:55:33,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 08:55:33,349 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-10 08:55:33,349 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 08:55:33,349 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922984119] [2022-02-10 08:55:33,349 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922984119] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-10 08:55:33,350 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1130855255] [2022-02-10 08:55:33,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 08:55:33,350 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 08:55:33,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 08:55:33,359 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) [2022-02-10 08:55:33,402 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-10 08:55:33,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 08:55:33,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-10 08:55:33,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-10 08:55:33,656 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-10 08:55:33,656 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-10 08:55:33,743 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-10 08:55:33,743 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1130855255] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-10 08:55:33,743 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-10 08:55:33,743 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-02-10 08:55:33,744 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974099261] [2022-02-10 08:55:33,744 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-10 08:55:33,746 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 08:55:33,746 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 08:55:33,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 08:55:33,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-02-10 08:55:33,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 08:55:33,747 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 08:55:33,747 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.5) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 08:55:33,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 08:55:33,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 08:55:33,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 08:55:33,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 08:55:34,092 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 109 transitions and produced 108 states. [2022-02-10 08:55:34,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 08:55:34,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 08:55:34,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 08:55:34,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-10 08:55:34,119 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-10 08:55:34,307 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 08:55:34,308 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-10 08:55:34,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 08:55:34,309 INFO L85 PathProgramCache]: Analyzing trace with hash -766401894, now seen corresponding path program 2 times [2022-02-10 08:55:34,309 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 08:55:34,309 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519068726] [2022-02-10 08:55:34,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 08:55:34,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 08:55:34,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 08:55:34,390 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-02-10 08:55:34,391 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 08:55:34,392 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519068726] [2022-02-10 08:55:34,392 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519068726] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-10 08:55:34,392 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [83512829] [2022-02-10 08:55:34,392 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-10 08:55:34,392 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 08:55:34,392 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 08:55:34,393 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) [2022-02-10 08:55:34,427 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-10 08:55:34,481 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-10 08:55:34,481 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-10 08:55:34,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-10 08:55:34,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-10 08:55:34,604 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-02-10 08:55:34,604 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-10 08:55:34,701 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-02-10 08:55:34,702 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [83512829] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-10 08:55:34,702 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-10 08:55:34,702 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-02-10 08:55:34,702 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667210778] [2022-02-10 08:55:34,702 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-10 08:55:34,703 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 08:55:34,703 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 08:55:34,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 08:55:34,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-02-10 08:55:34,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 08:55:34,705 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 08:55:34,705 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.5) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 08:55:34,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 08:55:34,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 08:55:34,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 08:55:34,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-10 08:55:34,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 08:55:34,918 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 125 transitions and produced 122 states. [2022-02-10 08:55:34,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 08:55:34,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 08:55:34,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 08:55:34,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-10 08:55:34,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-10 08:55:34,939 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-10 08:55:35,136 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 08:55:35,137 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-10 08:55:35,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 08:55:35,138 INFO L85 PathProgramCache]: Analyzing trace with hash 830100066, now seen corresponding path program 3 times [2022-02-10 08:55:35,138 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 08:55:35,138 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987888522] [2022-02-10 08:55:35,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 08:55:35,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 08:55:35,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 08:55:35,230 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-02-10 08:55:35,231 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 08:55:35,231 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987888522] [2022-02-10 08:55:35,232 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987888522] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-10 08:55:35,232 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1436363797] [2022-02-10 08:55:35,232 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-10 08:55:35,232 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 08:55:35,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 08:55:35,234 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) [2022-02-10 08:55:35,236 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-10 08:55:35,292 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-02-10 08:55:35,293 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-10 08:55:35,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 8 conjunts are in the unsatisfiable core [2022-02-10 08:55:35,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-10 08:55:35,437 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-02-10 08:55:35,437 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-10 08:55:35,563 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-02-10 08:55:35,564 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1436363797] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-10 08:55:35,564 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-10 08:55:35,564 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2022-02-10 08:55:35,564 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904176086] [2022-02-10 08:55:35,565 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-10 08:55:35,565 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-02-10 08:55:35,565 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 08:55:35,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-02-10 08:55:35,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2022-02-10 08:55:35,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 08:55:35,566 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 08:55:35,566 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 5.611111111111111) internal successors, (101), 18 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 08:55:35,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 08:55:35,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 08:55:35,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 08:55:35,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-10 08:55:35,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-10 08:55:35,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 08:55:35,938 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 155 transitions and produced 149 states. [2022-02-10 08:55:35,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 08:55:35,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 08:55:35,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 08:55:35,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-10 08:55:35,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-10 08:55:35,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-10 08:55:35,967 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-10 08:55:36,154 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 08:55:36,155 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-10 08:55:36,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 08:55:36,155 INFO L85 PathProgramCache]: Analyzing trace with hash -1363298386, now seen corresponding path program 4 times [2022-02-10 08:55:36,156 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 08:55:36,156 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773821861] [2022-02-10 08:55:36,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 08:55:36,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 08:55:36,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 08:55:36,283 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2022-02-10 08:55:36,284 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 08:55:36,284 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773821861] [2022-02-10 08:55:36,284 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773821861] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-10 08:55:36,284 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1233297034] [2022-02-10 08:55:36,284 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-10 08:55:36,285 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 08:55:36,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 08:55:36,289 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-10 08:55:36,290 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-10 08:55:36,349 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-10 08:55:36,349 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-10 08:55:36,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 10 conjunts are in the unsatisfiable core [2022-02-10 08:55:36,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-10 08:55:36,497 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2022-02-10 08:55:36,497 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-10 08:55:36,625 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2022-02-10 08:55:36,625 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1233297034] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-10 08:55:36,625 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-10 08:55:36,625 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 13 [2022-02-10 08:55:36,626 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49714838] [2022-02-10 08:55:36,626 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-10 08:55:36,626 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-02-10 08:55:36,626 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 08:55:36,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-02-10 08:55:36,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-02-10 08:55:36,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 08:55:36,627 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 08:55:36,627 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.769230769230769) internal successors, (75), 13 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 08:55:36,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 08:55:36,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 08:55:36,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 08:55:36,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-10 08:55:36,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-10 08:55:36,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-10 08:55:36,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 08:55:36,880 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 169 transitions and produced 161 states. [2022-02-10 08:55:36,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 08:55:36,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 08:55:36,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 08:55:36,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-10 08:55:36,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-10 08:55:36,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-10 08:55:36,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-10 08:55:36,917 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-10 08:55:37,097 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 08:55:37,097 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-10 08:55:37,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 08:55:37,098 INFO L85 PathProgramCache]: Analyzing trace with hash 1818469938, now seen corresponding path program 5 times [2022-02-10 08:55:37,098 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 08:55:37,098 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260809509] [2022-02-10 08:55:37,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 08:55:37,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 08:55:37,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 08:55:37,328 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 117 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 08:55:37,328 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 08:55:37,328 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260809509] [2022-02-10 08:55:37,329 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260809509] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-10 08:55:37,329 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2142686163] [2022-02-10 08:55:37,329 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-10 08:55:37,329 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 08:55:37,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 08:55:37,330 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-10 08:55:37,332 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-10 08:55:37,389 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2022-02-10 08:55:37,389 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-10 08:55:37,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 22 conjunts are in the unsatisfiable core [2022-02-10 08:55:37,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-10 08:55:37,560 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 08:55:37,560 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-10 08:55:37,561 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2142686163] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 08:55:37,561 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-10 08:55:37,561 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [22] total 24 [2022-02-10 08:55:37,561 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644504069] [2022-02-10 08:55:37,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 08:55:37,561 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-02-10 08:55:37,561 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 08:55:37,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-02-10 08:55:37,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=476, Unknown=0, NotChecked=0, Total=600 [2022-02-10 08:55:37,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 08:55:37,562 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 08:55:37,563 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 4.5) internal successors, (99), 23 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 08:55:37,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 08:55:37,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 08:55:37,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 08:55:37,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-10 08:55:37,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-10 08:55:37,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-10 08:55:37,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-10 08:55:37,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.